219 files changed, 1091 insertions, 695 deletions

diff --git a/examples/boot/application/nrf/Cargo.toml b/examples/boot/application/nrf/Cargo.toml
index 435a33919..275367ff7 100644
--- a/examples/boot/application/nrf/Cargo.toml
+++ b/examples/boot/application/nrf/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers", "arch-cortex-m", "executor-thread"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly"] }
 embassy-nrf = { version = "0.1.0", path = "../../../../embassy-nrf", features = ["time-driver-rtc1", "gpiote", "nightly"] }
 embassy-boot = { version = "0.1.0", path = "../../../../embassy-boot/boot", features = ["nightly"] }
 embassy-boot-nrf = { version = "0.1.0", path = "../../../../embassy-boot/nrf", features = ["nightly"] }
diff --git a/examples/boot/application/nrf/src/bin/b.rs b/examples/boot/application/nrf/src/bin/b.rs
index 15ebce5fa..a88c3c56c 100644
--- a/examples/boot/application/nrf/src/bin/b.rs
+++ b/examples/boot/application/nrf/src/bin/b.rs
@@ -5,7 +5,7 @@
 
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -19,8 +19,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/boot/application/rp/Cargo.toml b/examples/boot/application/rp/Cargo.toml
index 01cfc5994..da89f15da 100644
--- a/examples/boot/application/rp/Cargo.toml
+++ b/examples/boot/application/rp/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers", "arch-cortex-m", "executor-thread"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly"] }
 embassy-rp = { version = "0.1.0", path = "../../../../embassy-rp", features = ["time-driver", "unstable-traits", "nightly"] }
 embassy-boot-rp = { version = "0.1.0", path = "../../../../embassy-boot/rp", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/rp/src/bin/a.rs b/examples/boot/application/rp/src/bin/a.rs
index a4602a7ed..6fd5d7f60 100644
--- a/examples/boot/application/rp/src/bin/a.rs
+++ b/examples/boot/application/rp/src/bin/a.rs
@@ -41,7 +41,7 @@ async fn main(_s: Spawner) {
     let mut aligned = AlignedBuffer([0; 1]);
     let mut updater = BlockingFirmwareUpdater::new(config, &mut aligned.0);
 
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     watchdog.feed();
     led.set_high();
     let mut offset = 0;
@@ -61,7 +61,7 @@ async fn main(_s: Spawner) {
     watchdog.feed();
     defmt::info!("firmware written, marking update");
     updater.mark_updated().unwrap();
-    Timer::after(Duration::from_secs(2)).await;
+    Timer::after_secs(2).await;
     led.set_low();
     defmt::info!("update marked, resetting");
     cortex_m::peripheral::SCB::sys_reset();
diff --git a/examples/boot/application/rp/src/bin/b.rs b/examples/boot/application/rp/src/bin/b.rs
index 47dec329c..1eca5b4a2 100644
--- a/examples/boot/application/rp/src/bin/b.rs
+++ b/examples/boot/application/rp/src/bin/b.rs
@@ -4,7 +4,7 @@
 
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use gpio::{Level, Output};
 use {defmt_rtt as _, panic_reset as _};
 
@@ -15,9 +15,9 @@ async fn main(_s: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/boot/application/stm32f3/Cargo.toml b/examples/boot/application/stm32f3/Cargo.toml
index a0649cf83..147a5bcf5 100644
--- a/examples/boot/application/stm32f3/Cargo.toml
+++ b/examples/boot/application/stm32f3/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32f303re", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32f3/src/bin/b.rs b/examples/boot/application/stm32f3/src/bin/b.rs
index a5862b1b0..8411f384c 100644
--- a/examples/boot/application/stm32f3/src/bin/b.rs
+++ b/examples/boot/application/stm32f3/src/bin/b.rs
@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/boot/application/stm32f7/Cargo.toml b/examples/boot/application/stm32f7/Cargo.toml
index ca1c0c424..3fa136aea 100644
--- a/examples/boot/application/stm32f7/Cargo.toml
+++ b/examples/boot/application/stm32f7/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32f767zi", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32f7/src/bin/b.rs b/examples/boot/application/stm32f7/src/bin/b.rs
index 16c94d845..4c2ad06a2 100644
--- a/examples/boot/application/stm32f7/src/bin/b.rs
+++ b/examples/boot/application/stm32f7/src/bin/b.rs
@@ -6,21 +6,21 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    Timer::after(Duration::from_millis(300)).await;
+    Timer::after_millis(300).await;
     let mut led = Output::new(p.PB7, Level::High, Speed::Low);
     led.set_high();
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/boot/application/stm32h7/Cargo.toml b/examples/boot/application/stm32h7/Cargo.toml
index e50c8c415..7ca767bde 100644
--- a/examples/boot/application/stm32h7/Cargo.toml
+++ b/examples/boot/application/stm32h7/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32h743zi", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32h7/src/bin/b.rs b/examples/boot/application/stm32h7/src/bin/b.rs
index 34799279c..5c03e2d0c 100644
--- a/examples/boot/application/stm32h7/src/bin/b.rs
+++ b/examples/boot/application/stm32h7/src/bin/b.rs
@@ -6,21 +6,21 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
-    Timer::after(Duration::from_millis(300)).await;
+    Timer::after_millis(300).await;
     let mut led = Output::new(p.PB14, Level::High, Speed::Low);
     led.set_high();
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/boot/application/stm32l0/Cargo.toml b/examples/boot/application/stm32l0/Cargo.toml
index 1f1a0f3cf..3e3cbbd82 100644
--- a/examples/boot/application/stm32l0/Cargo.toml
+++ b/examples/boot/application/stm32l0/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l072cz", "time-driver-any", "exti", "memory-x"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32l0/src/bin/a.rs b/examples/boot/application/stm32l0/src/bin/a.rs
index b4cdcd44d..42e1a71eb 100644
--- a/examples/boot/application/stm32l0/src/bin/a.rs
+++ b/examples/boot/application/stm32l0/src/bin/a.rs
@@ -11,7 +11,7 @@ use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::flash::{Flash, WRITE_SIZE};
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_sync::mutex::Mutex;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[cfg(feature = "skip-include")]
@@ -46,6 +46,6 @@ async fn main(_spawner: Spawner) {
 
     updater.mark_updated().await.unwrap();
     led.set_low();
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     cortex_m::peripheral::SCB::sys_reset();
 }
diff --git a/examples/boot/application/stm32l0/src/bin/b.rs b/examples/boot/application/stm32l0/src/bin/b.rs
index ee40274ff..52d42395f 100644
--- a/examples/boot/application/stm32l0/src/bin/b.rs
+++ b/examples/boot/application/stm32l0/src/bin/b.rs
@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/boot/application/stm32l1/Cargo.toml b/examples/boot/application/stm32l1/Cargo.toml
index 45b12813e..5e77b7d53 100644
--- a/examples/boot/application/stm32l1/Cargo.toml
+++ b/examples/boot/application/stm32l1/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l151cb-a", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32l1/src/bin/a.rs b/examples/boot/application/stm32l1/src/bin/a.rs
index b4cdcd44d..42e1a71eb 100644
--- a/examples/boot/application/stm32l1/src/bin/a.rs
+++ b/examples/boot/application/stm32l1/src/bin/a.rs
@@ -11,7 +11,7 @@ use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::flash::{Flash, WRITE_SIZE};
 use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed};
 use embassy_sync::mutex::Mutex;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[cfg(feature = "skip-include")]
@@ -46,6 +46,6 @@ async fn main(_spawner: Spawner) {
 
     updater.mark_updated().await.unwrap();
     led.set_low();
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     cortex_m::peripheral::SCB::sys_reset();
 }
diff --git a/examples/boot/application/stm32l1/src/bin/b.rs b/examples/boot/application/stm32l1/src/bin/b.rs
index ee40274ff..52d42395f 100644
--- a/examples/boot/application/stm32l1/src/bin/b.rs
+++ b/examples/boot/application/stm32l1/src/bin/b.rs
@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/boot/application/stm32l4/Cargo.toml b/examples/boot/application/stm32l4/Cargo.toml
index d0d0d0fbe..aa5c5cf9f 100644
--- a/examples/boot/application/stm32l4/Cargo.toml
+++ b/examples/boot/application/stm32l4/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32l475vg", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32l4/src/bin/b.rs b/examples/boot/application/stm32l4/src/bin/b.rs
index a5862b1b0..8411f384c 100644
--- a/examples/boot/application/stm32l4/src/bin/b.rs
+++ b/examples/boot/application/stm32l4/src/bin/b.rs
@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/boot/application/stm32wl/Cargo.toml b/examples/boot/application/stm32wl/Cargo.toml
index 3265b9f1a..87b8a1161 100644
--- a/examples/boot/application/stm32wl/Cargo.toml
+++ b/examples/boot/application/stm32wl/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../../../embassy-time", features = ["nightly", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../../../embassy-stm32", features = ["unstable-traits", "nightly", "stm32wl55jc-cm4", "time-driver-any", "exti"]  }
 embassy-boot-stm32 = { version = "0.1.0", path = "../../../../embassy-boot/stm32", features = ["nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../../../embassy-embedded-hal" }
diff --git a/examples/boot/application/stm32wl/src/bin/b.rs b/examples/boot/application/stm32wl/src/bin/b.rs
index f9f0ffc60..1ca3c6ea8 100644
--- a/examples/boot/application/stm32wl/src/bin/b.rs
+++ b/examples/boot/application/stm32wl/src/bin/b.rs
@@ -6,7 +6,7 @@
 use defmt_rtt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use panic_reset as _;
 
 #[embassy_executor::main]
@@ -16,9 +16,9 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/nrf-rtos-trace/Cargo.toml b/examples/nrf-rtos-trace/Cargo.toml
index e402e49f4..e5820f26d 100644
--- a/examples/nrf-rtos-trace/Cargo.toml
+++ b/examples/nrf-rtos-trace/Cargo.toml
@@ -18,7 +18,7 @@ log = [
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync" }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "rtos-trace", "rtos-trace-interrupt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time" }
+embassy-time = { version = "0.1.5", path = "../../embassy-time" }
 embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["nrf52840", "time-driver-rtc1", "gpiote", "unstable-pac"] }
 
 cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
diff --git a/examples/nrf-rtos-trace/src/bin/rtos_trace.rs b/examples/nrf-rtos-trace/src/bin/rtos_trace.rs
index cf8b2f808..888375693 100644
--- a/examples/nrf-rtos-trace/src/bin/rtos_trace.rs
+++ b/examples/nrf-rtos-trace/src/bin/rtos_trace.rs
@@ -6,7 +6,7 @@ use core::future::poll_fn;
 use core::task::Poll;
 
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 #[cfg(feature = "log")]
 use log::*;
 use panic_probe as _;
@@ -34,7 +34,7 @@ async fn run1() {
         info!("DING DONG");
         #[cfg(not(feature = "log"))]
         rtos_trace::trace::marker(13);
-        Timer::after(Duration::from_ticks(16000)).await;
+        Timer::after_ticks(16000).await;
     }
 }
 
diff --git a/examples/nrf52840-rtic/Cargo.toml b/examples/nrf52840-rtic/Cargo.toml
index c588b807e..a81d43a26 100644
--- a/examples/nrf52840-rtic/Cargo.toml
+++ b/examples/nrf52840-rtic/Cargo.toml
@@ -9,7 +9,7 @@ rtic = { version = "2", features = ["thumbv7-backend"] }
 
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "generic-queue"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "generic-queue"] }
 embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["nightly", "unstable-traits", "defmt", "nrf52840", "time-driver-rtc1", "gpiote", "unstable-pac", "time"] }
 
 defmt = "0.3"
diff --git a/examples/nrf52840-rtic/memory.x b/examples/nrf52840-rtic/memory.x
index 9b04edec0..15b492bce 100644
--- a/examples/nrf52840-rtic/memory.x
+++ b/examples/nrf52840-rtic/memory.x
@@ -1,7 +1,12 @@
 MEMORY
 {
   /* NOTE 1 K = 1 KiBi = 1024 bytes */
-  /* These values correspond to the NRF52840 with Softdevices S140 7.0.1 */
   FLASH : ORIGIN = 0x00000000, LENGTH = 1024K
   RAM : ORIGIN = 0x20000000, LENGTH = 256K
+
+  /* These values correspond to the NRF52840 with Softdevices S140 7.3.0 */
+  /*
+     FLASH : ORIGIN = 0x00027000, LENGTH = 868K
+     RAM : ORIGIN = 0x20020000, LENGTH = 128K
+  */
 }
diff --git a/examples/nrf52840-rtic/src/bin/blinky.rs b/examples/nrf52840-rtic/src/bin/blinky.rs
index a682c1932..060bb9ebc 100644
--- a/examples/nrf52840-rtic/src/bin/blinky.rs
+++ b/examples/nrf52840-rtic/src/bin/blinky.rs
@@ -9,7 +9,7 @@ mod app {
     use defmt::info;
     use embassy_nrf::gpio::{Level, Output, OutputDrive};
     use embassy_nrf::peripherals;
-    use embassy_time::{Duration, Timer};
+    use embassy_time::Timer;
 
     #[shared]
     struct Shared {}
@@ -34,10 +34,10 @@ mod app {
         loop {
             info!("off!");
             led.set_high();
-            Timer::after(Duration::from_millis(300)).await;
+            Timer::after_millis(300).await;
             info!("on!");
             led.set_low();
-            Timer::after(Duration::from_millis(300)).await;
+            Timer::after_millis(300).await;
         }
     }
 }
diff --git a/examples/nrf52840/Cargo.toml b/examples/nrf52840/Cargo.toml
index d45e006c7..753733509 100644
--- a/examples/nrf52840/Cargo.toml
+++ b/examples/nrf52840/Cargo.toml
@@ -31,12 +31,12 @@ nightly = [
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime"] }
 embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = ["defmt", "nrf52840", "time-driver-rtc1", "gpiote", "unstable-pac", "time"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet"], optional = true }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet"], optional = true }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt", "msos-descriptor",], optional = true }
-embedded-io = { version = "0.5.0", features = ["defmt-03"]  }
-embedded-io-async = { version = "0.5.0", optional = true, features = ["defmt-03"] }
+embedded-io = { version = "0.6.0", features = ["defmt-03"]  }
+embedded-io-async = { version = "0.6.0", optional = true, features = ["defmt-03"] }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["time", "defmt"], optional = true }
 lora-phy = { version = "2", optional = true }
 lorawan-device = { version = "0.11.0", default-features = false, features = ["async", "external-lora-phy"], optional = true }
diff --git a/examples/nrf52840/memory.x b/examples/nrf52840/memory.x
index 9b04edec0..15b492bce 100644
--- a/examples/nrf52840/memory.x
+++ b/examples/nrf52840/memory.x
@@ -1,7 +1,12 @@
 MEMORY
 {
   /* NOTE 1 K = 1 KiBi = 1024 bytes */
-  /* These values correspond to the NRF52840 with Softdevices S140 7.0.1 */
   FLASH : ORIGIN = 0x00000000, LENGTH = 1024K
   RAM : ORIGIN = 0x20000000, LENGTH = 256K
+
+  /* These values correspond to the NRF52840 with Softdevices S140 7.3.0 */
+  /*
+     FLASH : ORIGIN = 0x00027000, LENGTH = 868K
+     RAM : ORIGIN = 0x20020000, LENGTH = 128K
+  */
 }
diff --git a/examples/nrf52840/src/bin/blinky.rs b/examples/nrf52840/src/bin/blinky.rs
index 513f6cd82..d3d1a7122 100644
--- a/examples/nrf52840/src/bin/blinky.rs
+++ b/examples/nrf52840/src/bin/blinky.rs
@@ -4,7 +4,7 @@
 
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -14,8 +14,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/channel.rs b/examples/nrf52840/src/bin/channel.rs
index bd9c909da..d3c7b47d2 100644
--- a/examples/nrf52840/src/bin/channel.rs
+++ b/examples/nrf52840/src/bin/channel.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
 use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
 use embassy_sync::channel::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 enum LedState {
@@ -21,9 +21,9 @@ static CHANNEL: Channel<ThreadModeRawMutex, LedState, 1> = Channel::new();
 async fn my_task() {
     loop {
         CHANNEL.send(LedState::On).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         CHANNEL.send(LedState::Off).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/channel_sender_receiver.rs b/examples/nrf52840/src/bin/channel_sender_receiver.rs
index ec4f1d800..79d2c4048 100644
--- a/examples/nrf52840/src/bin/channel_sender_receiver.rs
+++ b/examples/nrf52840/src/bin/channel_sender_receiver.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::gpio::{AnyPin, Level, Output, OutputDrive, Pin};
 use embassy_sync::blocking_mutex::raw::NoopRawMutex;
 use embassy_sync::channel::{Channel, Receiver, Sender};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -22,9 +22,9 @@ static CHANNEL: StaticCell<Channel<NoopRawMutex, LedState, 1>> = StaticCell::new
 async fn send_task(sender: Sender<'static, NoopRawMutex, LedState, 1>) {
     loop {
         sender.send(LedState::On).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         sender.send(LedState::Off).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/executor_fairness_test.rs b/examples/nrf52840/src/bin/executor_fairness_test.rs
index 2a28f2763..f111b272e 100644
--- a/examples/nrf52840/src/bin/executor_fairness_test.rs
+++ b/examples/nrf52840/src/bin/executor_fairness_test.rs
@@ -7,14 +7,14 @@ use core::task::Poll;
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::task]
 async fn run1() {
     loop {
         info!("DING DONG");
-        Timer::after(Duration::from_ticks(16000)).await;
+        Timer::after_ticks(16000).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/lora_cad.rs b/examples/nrf52840/src/bin/lora_cad.rs
index 3a98133c9..38e6d6197 100644
--- a/examples/nrf52840/src/bin/lora_cad.rs
+++ b/examples/nrf52840/src/bin/lora_cad.rs
@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
 use embassy_nrf::{bind_interrupts, peripherals, spim};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mdltn_params = {
@@ -89,7 +89,7 @@ async fn main(_spawner: Spawner) {
                 info!("cad successful without activity detected")
             }
             debug_indicator.set_high();
-            Timer::after(Duration::from_secs(5)).await;
+            Timer::after_secs(5).await;
             debug_indicator.set_low();
         }
         Err(err) => info!("cad unsuccessful = {}", err),
diff --git a/examples/nrf52840/src/bin/lora_p2p_receive.rs b/examples/nrf52840/src/bin/lora_p2p_receive.rs
index 1d293c6bf..4f41e1245 100644
--- a/examples/nrf52840/src/bin/lora_p2p_receive.rs
+++ b/examples/nrf52840/src/bin/lora_p2p_receive.rs
@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
 use embassy_nrf::{bind_interrupts, peripherals, spim};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mut receiving_buffer = [00u8; 100];
@@ -107,7 +107,7 @@ async fn main(_spawner: Spawner) {
                 {
                     info!("rx successful");
                     debug_indicator.set_high();
-                    Timer::after(Duration::from_secs(5)).await;
+                    Timer::after_secs(5).await;
                     debug_indicator.set_low();
                 } else {
                     info!("rx unknown packet");
diff --git a/examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs b/examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs
index eee4d20e7..3d34f6aef 100644
--- a/examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs
+++ b/examples/nrf52840/src/bin/lora_p2p_receive_duty_cycle.rs
@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_nrf::gpio::{Input, Level, Output, OutputDrive, Pin as _, Pull};
 use embassy_nrf::{bind_interrupts, peripherals, spim};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.P1_04, Level::Low, OutputDrive::Standard);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mut receiving_buffer = [00u8; 100];
@@ -116,7 +116,7 @@ async fn main(_spawner: Spawner) {
             {
                 info!("rx successful");
                 debug_indicator.set_high();
-                Timer::after(Duration::from_secs(5)).await;
+                Timer::after_secs(5).await;
                 debug_indicator.set_low();
             } else {
                 info!("rx unknown packet")
diff --git a/examples/nrf52840/src/bin/manually_create_executor.rs b/examples/nrf52840/src/bin/manually_create_executor.rs
index 12ce660f9..80364d34a 100644
--- a/examples/nrf52840/src/bin/manually_create_executor.rs
+++ b/examples/nrf52840/src/bin/manually_create_executor.rs
@@ -8,7 +8,7 @@
 use cortex_m_rt::entry;
 use defmt::{info, unwrap};
 use embassy_executor::Executor;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -16,7 +16,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
@@ -24,7 +24,7 @@ async fn run1() {
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/multiprio.rs b/examples/nrf52840/src/bin/multiprio.rs
index aab819117..352f62bf2 100644
--- a/examples/nrf52840/src/bin/multiprio.rs
+++ b/examples/nrf52840/src/bin/multiprio.rs
@@ -62,7 +62,7 @@ use defmt::{info, unwrap};
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_nrf::interrupt;
 use embassy_nrf::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/mutex.rs b/examples/nrf52840/src/bin/mutex.rs
index c402c6ba1..11b47d991 100644
--- a/examples/nrf52840/src/bin/mutex.rs
+++ b/examples/nrf52840/src/bin/mutex.rs
@@ -6,7 +6,7 @@ use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
 use embassy_sync::mutex::Mutex;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 static MUTEX: Mutex<ThreadModeRawMutex, u32> = Mutex::new(0);
@@ -20,11 +20,11 @@ async fn my_task() {
             *m += 1000;
 
             // Hold the mutex for a long time.
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
             info!("end long operation: count = {}", *m);
         }
 
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
@@ -34,7 +34,7 @@ async fn main(spawner: Spawner) {
     unwrap!(spawner.spawn(my_task()));
 
     loop {
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         let mut m = MUTEX.lock().await;
         *m += 1;
         info!("short operation: count = {}", *m);
diff --git a/examples/nrf52840/src/bin/nvmc.rs b/examples/nrf52840/src/bin/nvmc.rs
index 31c6fe4b6..624829863 100644
--- a/examples/nrf52840/src/bin/nvmc.rs
+++ b/examples/nrf52840/src/bin/nvmc.rs
@@ -5,7 +5,7 @@
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_nrf::nvmc::Nvmc;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -15,7 +15,7 @@ async fn main(_spawner: Spawner) {
     info!("Hello NVMC!");
 
     // probe-rs run breaks without this, I'm not sure why.
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
 
     let mut f = Nvmc::new(p.NVMC);
     const ADDR: u32 = 0x80000;
diff --git a/examples/nrf52840/src/bin/pdm.rs b/examples/nrf52840/src/bin/pdm.rs
index 444b9137f..bff323974 100644
--- a/examples/nrf52840/src/bin/pdm.rs
+++ b/examples/nrf52840/src/bin/pdm.rs
@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::pdm::{self, Config, Pdm};
 use embassy_nrf::{bind_interrupts, peripherals};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use fixed::types::I7F1;
 use num_integer::Roots;
 use {defmt_rtt as _, panic_probe as _};
@@ -28,7 +28,7 @@ async fn main(_p: Spawner) {
             pdm.start().await;
 
             // wait some time till the microphon settled
-            Timer::after(Duration::from_millis(1000)).await;
+            Timer::after_millis(1000).await;
 
             const SAMPLES: usize = 2048;
             let mut buf = [0i16; SAMPLES];
@@ -51,7 +51,7 @@ async fn main(_p: Spawner) {
             info!("samples: {:?}", &buf);
 
             pdm.stop().await;
-            Timer::after(Duration::from_millis(100)).await;
+            Timer::after_millis(100).await;
         }
     }
 }
diff --git a/examples/nrf52840/src/bin/pubsub.rs b/examples/nrf52840/src/bin/pubsub.rs
index cca60ebc9..17d902227 100644
--- a/examples/nrf52840/src/bin/pubsub.rs
+++ b/examples/nrf52840/src/bin/pubsub.rs
@@ -6,7 +6,7 @@ use defmt::unwrap;
 use embassy_executor::Spawner;
 use embassy_sync::blocking_mutex::raw::ThreadModeRawMutex;
 use embassy_sync::pubsub::{DynSubscriber, PubSubChannel, Subscriber};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 /// Create the message bus. It has a queue of 4, supports 3 subscribers and 1 publisher
@@ -39,7 +39,7 @@ async fn main(spawner: Spawner) {
 
     let mut index = 0;
     loop {
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         let message = match index % 3 {
             0 => Message::A,
@@ -81,7 +81,7 @@ async fn fast_logger(mut messages: Subscriber<'static, ThreadModeRawMutex, Messa
 async fn slow_logger(mut messages: DynSubscriber<'static, Message>) {
     loop {
         // Do some work
-        Timer::after(Duration::from_millis(2000)).await;
+        Timer::after_millis(2000).await;
 
         // If the publisher has used the `publish_immediate` function, then we may receive a lag message here
         let message = messages.next_message().await;
@@ -98,7 +98,7 @@ async fn slow_logger(mut messages: DynSubscriber<'static, Message>) {
 async fn slow_logger_pure(mut messages: DynSubscriber<'static, Message>) {
     loop {
         // Do some work
-        Timer::after(Duration::from_millis(2000)).await;
+        Timer::after_millis(2000).await;
 
         // Instead of receiving lags here, we just ignore that and read the next message
         let message = messages.next_message_pure().await;
diff --git a/examples/nrf52840/src/bin/pwm.rs b/examples/nrf52840/src/bin/pwm.rs
index 1698c0bc8..9750935c8 100644
--- a/examples/nrf52840/src/bin/pwm.rs
+++ b/examples/nrf52840/src/bin/pwm.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::pwm::{Prescaler, SimplePwm};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // for i in range(1024): print(int((math.sin(i/512*math.pi)*0.4+0.5)**2*32767), ', ', end='')
@@ -84,6 +84,6 @@ async fn main(_spawner: Spawner) {
         pwm.set_duty(1, DUTY[(i + 256) % 1024]);
         pwm.set_duty(2, DUTY[(i + 512) % 1024]);
         pwm.set_duty(3, DUTY[(i + 768) % 1024]);
-        Timer::after(Duration::from_millis(3)).await;
+        Timer::after_millis(3).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/pwm_double_sequence.rs b/examples/nrf52840/src/bin/pwm_double_sequence.rs
index 16e50e909..1bfe6e15a 100644
--- a/examples/nrf52840/src/bin/pwm_double_sequence.rs
+++ b/examples/nrf52840/src/bin/pwm_double_sequence.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::pwm::{
     Config, Prescaler, Sequence, SequenceConfig, SequenceMode, SequencePwm, Sequencer, StartSequence,
 };
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
     // we can abort a sequence if we need to before its complete with pwm.stop()
     // or stop is also implicitly called when the pwm peripheral is dropped
     // when it goes out of scope
-    Timer::after(Duration::from_millis(40000)).await;
+    Timer::after_millis(40000).await;
     info!("pwm stopped early!");
 }
diff --git a/examples/nrf52840/src/bin/pwm_sequence.rs b/examples/nrf52840/src/bin/pwm_sequence.rs
index b9aca9aaa..f282cf910 100644
--- a/examples/nrf52840/src/bin/pwm_sequence.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::pwm::{Config, Prescaler, SequenceConfig, SequencePwm, SingleSequenceMode, SingleSequencer};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -31,6 +31,6 @@ async fn main(_spawner: Spawner) {
     // we can abort a sequence if we need to before its complete with pwm.stop()
     // or stop is also implicitly called when the pwm peripheral is dropped
     // when it goes out of scope
-    Timer::after(Duration::from_millis(20000)).await;
+    Timer::after_millis(20000).await;
     info!("pwm stopped early!");
 }
diff --git a/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs b/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
index 711c8a17b..8596e6545 100644
--- a/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
+++ b/examples/nrf52840/src/bin/pwm_sequence_ws2812b.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_nrf::pwm::{
     Config, Prescaler, SequenceConfig, SequenceLoad, SequencePwm, SingleSequenceMode, SingleSequencer,
 };
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // WS2812B LED light demonstration. Drives just one light.
@@ -52,7 +52,7 @@ async fn main(_spawner: Spawner) {
         let sequences = SingleSequencer::new(&mut pwm, &seq_words, seq_config.clone());
         unwrap!(sequences.start(SingleSequenceMode::Times(1)));
 
-        Timer::after(Duration::from_millis(50)).await;
+        Timer::after_millis(50).await;
 
         if bit_value == T0H {
             if color_bit == 20 {
diff --git a/examples/nrf52840/src/bin/pwm_servo.rs b/examples/nrf52840/src/bin/pwm_servo.rs
index 19228f433..92ded1f88 100644
--- a/examples/nrf52840/src/bin/pwm_servo.rs
+++ b/examples/nrf52840/src/bin/pwm_servo.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::pwm::{Prescaler, SimplePwm};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -19,29 +19,29 @@ async fn main(_spawner: Spawner) {
     pwm.set_max_duty(2500);
     info!("pwm initialized!");
 
-    Timer::after(Duration::from_millis(5000)).await;
+    Timer::after_millis(5000).await;
 
     // 1ms 0deg (1/.008=125), 1.5ms 90deg (1.5/.008=187.5), 2ms 180deg (2/.008=250),
     loop {
         info!("45 deg");
         // poor mans inverting, subtract our value from max_duty
         pwm.set_duty(0, 2500 - 156);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("90 deg");
         pwm.set_duty(0, 2500 - 187);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("135 deg");
         pwm.set_duty(0, 2500 - 218);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("180 deg");
         pwm.set_duty(0, 2500 - 250);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
 
         info!("0 deg");
         pwm.set_duty(0, 2500 - 125);
-        Timer::after(Duration::from_millis(5000)).await;
+        Timer::after_millis(5000).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/qspi_lowpower.rs b/examples/nrf52840/src/bin/qspi_lowpower.rs
index 22a5c0c6d..42b5454e0 100644
--- a/examples/nrf52840/src/bin/qspi_lowpower.rs
+++ b/examples/nrf52840/src/bin/qspi_lowpower.rs
@@ -8,7 +8,7 @@ use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_nrf::qspi::Frequency;
 use embassy_nrf::{bind_interrupts, peripherals, qspi};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // Workaround for alignment requirements.
@@ -79,6 +79,6 @@ async fn main(_p: Spawner) {
 
         // Sleep for 1 second. The executor ensures the core sleeps with a WFE when it has nothing to do.
         // During this sleep, the nRF chip should only use ~3uA
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/raw_spawn.rs b/examples/nrf52840/src/bin/raw_spawn.rs
index 1b067f5e4..717b0faa6 100644
--- a/examples/nrf52840/src/bin/raw_spawn.rs
+++ b/examples/nrf52840/src/bin/raw_spawn.rs
@@ -7,21 +7,21 @@ use cortex_m_rt::entry;
 use defmt::{info, unwrap};
 use embassy_executor::raw::TaskStorage;
 use embassy_executor::Executor;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/saadc.rs b/examples/nrf52840/src/bin/saadc.rs
index ffd9a7f4b..d651834f5 100644
--- a/examples/nrf52840/src/bin/saadc.rs
+++ b/examples/nrf52840/src/bin/saadc.rs
@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::saadc::{ChannelConfig, Config, Saadc};
 use embassy_nrf::{bind_interrupts, saadc};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -24,6 +24,6 @@ async fn main(_p: Spawner) {
         let mut buf = [0; 1];
         saadc.sample(&mut buf).await;
         info!("sample: {=i16}", &buf[0]);
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/saadc_continuous.rs b/examples/nrf52840/src/bin/saadc_continuous.rs
index a25e17465..a5f8a4dd7 100644
--- a/examples/nrf52840/src/bin/saadc_continuous.rs
+++ b/examples/nrf52840/src/bin/saadc_continuous.rs
@@ -7,7 +7,6 @@ use embassy_executor::Spawner;
 use embassy_nrf::saadc::{CallbackResult, ChannelConfig, Config, Saadc};
 use embassy_nrf::timer::Frequency;
 use embassy_nrf::{bind_interrupts, saadc};
-use embassy_time::Duration;
 use {defmt_rtt as _, panic_probe as _};
 
 // Demonstrates both continuous sampling and scanning multiple channels driven by a PPI linked timer
@@ -32,7 +31,7 @@ async fn main(_p: Spawner) {
 
     // This delay demonstrates that starting the timer prior to running
     // the task sampler is benign given the calibration that follows.
-    embassy_time::Timer::after(Duration::from_millis(500)).await;
+    embassy_time::Timer::after_millis(500).await;
     saadc.calibrate().await;
 
     let mut bufs = [[[0; 3]; 500]; 2];
diff --git a/examples/nrf52840/src/bin/self_spawn.rs b/examples/nrf52840/src/bin/self_spawn.rs
index 31ea6c81e..8a58396a4 100644
--- a/examples/nrf52840/src/bin/self_spawn.rs
+++ b/examples/nrf52840/src/bin/self_spawn.rs
@@ -4,7 +4,7 @@
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 mod config {
@@ -13,7 +13,7 @@ mod config {
 
 #[embassy_executor::task(pool_size = config::MY_TASK_POOL_SIZE)]
 async fn my_task(spawner: Spawner, n: u32) {
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     info!("Spawning self! {}", n);
     unwrap!(spawner.spawn(my_task(spawner, n + 1)));
 }
diff --git a/examples/nrf52840/src/bin/self_spawn_current_executor.rs b/examples/nrf52840/src/bin/self_spawn_current_executor.rs
index 8a179886c..65d50f8c3 100644
--- a/examples/nrf52840/src/bin/self_spawn_current_executor.rs
+++ b/examples/nrf52840/src/bin/self_spawn_current_executor.rs
@@ -4,12 +4,12 @@
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::task(pool_size = 2)]
 async fn my_task(n: u32) {
-    Timer::after(Duration::from_secs(1)).await;
+    Timer::after_secs(1).await;
     info!("Spawning self! {}", n);
     unwrap!(Spawner::for_current_executor().await.spawn(my_task(n + 1)));
 }
diff --git a/examples/nrf52840/src/bin/temp.rs b/examples/nrf52840/src/bin/temp.rs
index 70957548f..d94dea38d 100644
--- a/examples/nrf52840/src/bin/temp.rs
+++ b/examples/nrf52840/src/bin/temp.rs
@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_nrf::temp::Temp;
 use embassy_nrf::{bind_interrupts, temp};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -21,6 +21,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let value = temp.read().await;
         info!("temperature: {}℃", value.to_num::<u16>());
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/timer.rs b/examples/nrf52840/src/bin/timer.rs
index c22b5acd5..9b9bb3eb4 100644
--- a/examples/nrf52840/src/bin/timer.rs
+++ b/examples/nrf52840/src/bin/timer.rs
@@ -4,14 +4,14 @@
 
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::task]
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
@@ -19,7 +19,7 @@ async fn run1() {
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 
diff --git a/examples/nrf52840/src/bin/twim_lowpower.rs b/examples/nrf52840/src/bin/twim_lowpower.rs
index 0970d3c3c..bf9f966ef 100644
--- a/examples/nrf52840/src/bin/twim_lowpower.rs
+++ b/examples/nrf52840/src/bin/twim_lowpower.rs
@@ -14,7 +14,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_nrf::twim::{self, Twim};
 use embassy_nrf::{bind_interrupts, peripherals};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDRESS: u8 = 0x50;
@@ -48,6 +48,6 @@ async fn main(_p: Spawner) {
 
         // Sleep for 1 second. The executor ensures the core sleeps with a WFE when it has nothing to do.
         // During this sleep, the nRF chip should only use ~3uA
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/nrf52840/src/bin/usb_hid_mouse.rs b/examples/nrf52840/src/bin/usb_hid_mouse.rs
index edf634a5e..96fcf8a66 100644
--- a/examples/nrf52840/src/bin/usb_hid_mouse.rs
+++ b/examples/nrf52840/src/bin/usb_hid_mouse.rs
@@ -10,7 +10,7 @@ use embassy_futures::join::join;
 use embassy_nrf::usb::vbus_detect::HardwareVbusDetect;
 use embassy_nrf::usb::Driver;
 use embassy_nrf::{bind_interrupts, pac, peripherals, usb};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embassy_usb::class::hid::{HidWriter, ReportId, RequestHandler, State};
 use embassy_usb::control::OutResponse;
 use embassy_usb::{Builder, Config};
@@ -83,7 +83,7 @@ async fn main(_spawner: Spawner) {
     let hid_fut = async {
         let mut y: i8 = 5;
         loop {
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
 
             y = -y;
             let report = MouseReport {
diff --git a/examples/nrf5340/Cargo.toml b/examples/nrf5340/Cargo.toml
index 86d969ed5..24972a4fb 100644
--- a/examples/nrf5340/Cargo.toml
+++ b/examples/nrf5340/Cargo.toml
@@ -14,7 +14,7 @@ embassy-executor = { version = "0.3.0", path = "../../embassy-executor", feature
     "defmt",
     "integrated-timers",
 ] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = [
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = [
     "defmt",
     "defmt-timestamp-uptime",
 ] }
@@ -27,7 +27,7 @@ embassy-nrf = { version = "0.1.0", path = "../../embassy-nrf", features = [
     "gpiote",
     "unstable-pac",
 ] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = [
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = [
     "nightly",
     "defmt",
     "tcp",
@@ -37,7 +37,7 @@ embassy-net = { version = "0.1.0", path = "../../embassy-net", features = [
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = [
     "defmt",
 ] }
-embedded-io-async = { version = "0.5.0" }
+embedded-io-async = { version = "0.6.0" }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/nrf5340/src/bin/blinky.rs b/examples/nrf5340/src/bin/blinky.rs
index 3422cedf0..b784564a5 100644
--- a/examples/nrf5340/src/bin/blinky.rs
+++ b/examples/nrf5340/src/bin/blinky.rs
@@ -4,7 +4,7 @@
 
 use embassy_executor::Spawner;
 use embassy_nrf::gpio::{Level, Output, OutputDrive};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -14,8 +14,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index 2677e0402..7386eeea7 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -9,10 +9,10 @@ license = "MIT OR Apache-2.0"
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal", features = ["defmt"] }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime"] }
 embassy-rp = { version = "0.1.0", path = "../../embassy-rp", features = ["defmt", "unstable-traits", "nightly", "unstable-pac", "time-driver", "critical-section-impl"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "udp", "dhcpv4", "medium-ethernet"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "udp", "dhcpv4", "medium-ethernet"] }
 embassy-net-wiznet = { version = "0.1.0", path = "../../embassy-net-wiznet", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 embassy-usb-logger = { version = "0.1.0", path = "../../embassy-usb-logger" }
@@ -45,7 +45,7 @@ usbd-hid = "0.6.1"
 embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-rc.1" }
 embedded-hal-async = "1.0.0-rc.1"
 embedded-hal-bus = { version = "0.1.0-rc.1", features = ["async"] }
-embedded-io-async = { version = "0.5.0", features = ["defmt-03"] }
+embedded-io-async = { version = "0.6.0", features = ["defmt-03"] }
 embedded-storage = { version = "0.3" }
 static_cell = { version = "1.1", features = ["nightly"]}
 log = "0.4"
diff --git a/examples/rp/src/bin/adc.rs b/examples/rp/src/bin/adc.rs
index 02bc493b6..a579be139 100644
--- a/examples/rp/src/bin/adc.rs
+++ b/examples/rp/src/bin/adc.rs
@@ -10,7 +10,7 @@ use embassy_executor::Spawner;
 use embassy_rp::adc::{Adc, Channel, Config, InterruptHandler};
 use embassy_rp::bind_interrupts;
 use embassy_rp::gpio::Pull;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -36,7 +36,7 @@ async fn main(_spawner: Spawner) {
         info!("Pin 28 ADC: {}", level);
         let temp = adc.read(&mut ts).await.unwrap();
         info!("Temp: {} degrees", convert_to_celsius(temp));
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/rp/src/bin/blinky.rs b/examples/rp/src/bin/blinky.rs
index 295b000f3..66c8773fa 100644
--- a/examples/rp/src/bin/blinky.rs
+++ b/examples/rp/src/bin/blinky.rs
@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use gpio::{Level, Output};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -21,10 +21,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("led on!");
         led.set_high();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
 
         info!("led off!");
         led.set_low();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
index e593acae4..b19362fc1 100644
--- a/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
+++ b/examples/rp/src/bin/ethernet_w5500_tcp_client.rs
@@ -111,7 +111,7 @@ async fn main(spawner: Spawner) {
                 break;
             }
             info!("txd: {}", core::str::from_utf8(msg).unwrap());
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }
diff --git a/examples/rp/src/bin/flash.rs b/examples/rp/src/bin/flash.rs
index 911a657eb..129a8497f 100644
--- a/examples/rp/src/bin/flash.rs
+++ b/examples/rp/src/bin/flash.rs
@@ -8,7 +8,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::flash::{Async, ERASE_SIZE, FLASH_BASE};
 use embassy_rp::peripherals::FLASH;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDR_OFFSET: u32 = 0x100000;
@@ -23,7 +23,7 @@ async fn main(_spawner: Spawner) {
     // defmt RTT header. Reading that header might touch flash memory, which
     // interferes with flash write operations.
     // https://github.com/knurling-rs/defmt/pull/683
-    Timer::after(Duration::from_millis(10)).await;
+    Timer::after_millis(10).await;
 
     let mut flash = embassy_rp::flash::Flash::<_, Async, FLASH_SIZE>::new(p.FLASH, p.DMA_CH0);
 
diff --git a/examples/rp/src/bin/gpio_async.rs b/examples/rp/src/bin/gpio_async.rs
index bf58044d5..98209fe41 100644
--- a/examples/rp/src/bin/gpio_async.rs
+++ b/examples/rp/src/bin/gpio_async.rs
@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::gpio;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use gpio::{Input, Level, Output, Pull};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
         info!("done wait_for_high. Turn off LED");
         led.set_low();
 
-        Timer::after(Duration::from_secs(2)).await;
+        Timer::after_secs(2).await;
     }
 }
diff --git a/examples/rp/src/bin/gpout.rs b/examples/rp/src/bin/gpout.rs
index 0a3b5fa98..896cc15ee 100644
--- a/examples/rp/src/bin/gpout.rs
+++ b/examples/rp/src/bin/gpout.rs
@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::clocks;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -26,13 +26,13 @@ async fn main(_spawner: Spawner) {
             "Pin 25 is now outputing CLK_SYS/1000, should be toggling at {}",
             gpout3.get_freq()
         );
-        Timer::after(Duration::from_secs(2)).await;
+        Timer::after_secs(2).await;
 
         gpout3.set_src(clocks::GpoutSrc::Ref);
         info!(
             "Pin 25 is now outputing CLK_REF/1000, should be toggling at {}",
             gpout3.get_freq()
         );
-        Timer::after(Duration::from_secs(2)).await;
+        Timer::after_secs(2).await;
     }
 }
diff --git a/examples/rp/src/bin/i2c_async.rs b/examples/rp/src/bin/i2c_async.rs
index 93224bc43..7b53aae72 100644
--- a/examples/rp/src/bin/i2c_async.rs
+++ b/examples/rp/src/bin/i2c_async.rs
@@ -12,7 +12,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::i2c::{self, Config, InterruptHandler};
 use embassy_rp::peripherals::I2C1;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_async::i2c::I2c;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -106,6 +106,6 @@ async fn main(_spawner: Spawner) {
             }
         }
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/rp/src/bin/i2c_blocking.rs b/examples/rp/src/bin/i2c_blocking.rs
index 1c8c2039d..9ddb48d69 100644
--- a/examples/rp/src/bin/i2c_blocking.rs
+++ b/examples/rp/src/bin/i2c_blocking.rs
@@ -10,7 +10,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::i2c::{self, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_1::i2c::I2c;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,6 +70,6 @@ async fn main(_spawner: Spawner) {
         info!("portb = {:02x}", portb[0]);
         val = !val;
 
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/rp/src/bin/i2c_slave.rs b/examples/rp/src/bin/i2c_slave.rs
index 7de300fb8..151b083a4 100644
--- a/examples/rp/src/bin/i2c_slave.rs
+++ b/examples/rp/src/bin/i2c_slave.rs
@@ -7,7 +7,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::peripherals::{I2C0, I2C1};
 use embassy_rp::{bind_interrupts, i2c, i2c_slave};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_hal_async::i2c::I2c;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -81,7 +81,7 @@ async fn controller_task(mut con: i2c::I2c<'static, I2C0, i2c::Async>) {
                 Err(e) => error!("Error writing {}", e),
             }
 
-            Timer::after(Duration::from_millis(100)).await;
+            Timer::after_millis(100).await;
         }
         match con.read(DEV_ADDR, &mut resp_buff).await {
             Ok(_) => info!("read response: {}", resp_buff),
@@ -91,7 +91,7 @@ async fn controller_task(mut con: i2c::I2c<'static, I2C0, i2c::Async>) {
             Ok(_) => info!("write_read response: {}", resp_buff),
             Err(e) => error!("Error writing {}", e),
         }
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
 
diff --git a/examples/rp/src/bin/lora_p2p_receive.rs b/examples/rp/src/bin/lora_p2p_receive.rs
index 5891826fd..d5843fdcd 100644
--- a/examples/rp/src/bin/lora_p2p_receive.rs
+++ b/examples/rp/src/bin/lora_p2p_receive.rs
@@ -11,7 +11,7 @@ use embassy_executor::Spawner;
 use embassy_lora::iv::GenericSx126xInterfaceVariant;
 use embassy_rp::gpio::{Input, Level, Output, Pin, Pull};
 use embassy_rp::spi::{Config, Spi};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -96,7 +96,7 @@ async fn main(_spawner: Spawner) {
                 {
                     info!("rx successful");
                     debug_indicator.set_high();
-                    Timer::after(Duration::from_secs(5)).await;
+                    Timer::after_secs(5).await;
                     debug_indicator.set_low();
                 } else {
                     info!("rx unknown packet");
diff --git a/examples/rp/src/bin/lora_p2p_send_multicore.rs b/examples/rp/src/bin/lora_p2p_send_multicore.rs
index e31aa62a2..ccf44987c 100644
--- a/examples/rp/src/bin/lora_p2p_send_multicore.rs
+++ b/examples/rp/src/bin/lora_p2p_send_multicore.rs
@@ -15,7 +15,7 @@ use embassy_rp::peripherals::SPI1;
 use embassy_rp::spi::{Async, Config, Spi};
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -59,7 +59,7 @@ async fn core0_task() {
     info!("Hello from core 0");
     loop {
         CHANNEL.send([0x01u8, 0x02u8, 0x03u8]).await;
-        Timer::after(Duration::from_millis(60 * 1000)).await;
+        Timer::after_millis(60 * 1000).await;
     }
 }
 
diff --git a/examples/rp/src/bin/multicore.rs b/examples/rp/src/bin/multicore.rs
index bf017f6a7..43eaf8b0a 100644
--- a/examples/rp/src/bin/multicore.rs
+++ b/examples/rp/src/bin/multicore.rs
@@ -13,7 +13,7 @@ use embassy_rp::multicore::{spawn_core1, Stack};
 use embassy_rp::peripherals::PIN_25;
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -46,9 +46,9 @@ async fn core0_task() {
     info!("Hello from core 0");
     loop {
         CHANNEL.send(LedState::On).await;
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         CHANNEL.send(LedState::Off).await;
-        Timer::after(Duration::from_millis(400)).await;
+        Timer::after_millis(400).await;
     }
 }
 
diff --git a/examples/rp/src/bin/multiprio.rs b/examples/rp/src/bin/multiprio.rs
index 9ace4cd68..28f621437 100644
--- a/examples/rp/src/bin/multiprio.rs
+++ b/examples/rp/src/bin/multiprio.rs
@@ -62,7 +62,7 @@ use defmt::{info, unwrap};
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_rp::interrupt;
 use embassy_rp::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer, TICK_HZ};
+use embassy_time::{Instant, Timer, TICK_HZ};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(673740)).await;
+        Timer::after_ticks(673740).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() * 1000 / TICK_HZ;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(53421)).await;
+        Timer::after_ticks(53421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() * 1000 / TICK_HZ;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(82983)).await;
+        Timer::after_ticks(82983).await;
     }
 }
 
diff --git a/examples/rp/src/bin/pio_hd44780.rs b/examples/rp/src/bin/pio_hd44780.rs
index d80c5c24b..5e5a6f9a3 100644
--- a/examples/rp/src/bin/pio_hd44780.rs
+++ b/examples/rp/src/bin/pio_hd44780.rs
@@ -15,7 +15,7 @@ use embassy_rp::pio::{
 };
 use embassy_rp::pwm::{self, Pwm};
 use embassy_rp::{bind_interrupts, into_ref, Peripheral, PeripheralRef};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(pub struct Irqs {
@@ -66,7 +66,7 @@ async fn main(_spawner: Spawner) {
         let mut buf = Buf([0; 16], 0);
         write!(buf, "up {}s", Instant::now().as_micros() as f32 / 1e6).unwrap();
         hd.add_line(&buf.0[0..buf.1]).await;
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/rp/src/bin/pio_ws2812.rs b/examples/rp/src/bin/pio_ws2812.rs
index 5c0c60246..7b3259538 100644
--- a/examples/rp/src/bin/pio_ws2812.rs
+++ b/examples/rp/src/bin/pio_ws2812.rs
@@ -13,7 +13,7 @@ use embassy_rp::pio::{
     Common, Config, FifoJoin, Instance, InterruptHandler, Pio, PioPin, ShiftConfig, ShiftDirection, StateMachine,
 };
 use embassy_rp::{bind_interrupts, clocks, into_ref, Peripheral, PeripheralRef};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use fixed::types::U24F8;
 use fixed_macro::fixed;
 use smart_leds::RGB8;
@@ -153,7 +153,7 @@ async fn main(_spawner: Spawner) {
             }
             ws2812.write(&data).await;
 
-            Timer::after(Duration::from_millis(10)).await;
+            Timer::after_millis(10).await;
         }
     }
 }
diff --git a/examples/rp/src/bin/pwm.rs b/examples/rp/src/bin/pwm.rs
index 9d919287c..a99e88003 100644
--- a/examples/rp/src/bin/pwm.rs
+++ b/examples/rp/src/bin/pwm.rs
@@ -9,7 +9,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::pwm::{Config, Pwm};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -23,7 +23,7 @@ async fn main(_spawner: Spawner) {
 
     loop {
         info!("current LED duty cycle: {}/32768", c.compare_b);
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         c.compare_b = c.compare_b.rotate_left(4);
         pwm.set_config(&c);
     }
diff --git a/examples/rp/src/bin/rosc.rs b/examples/rp/src/bin/rosc.rs
new file mode 100644
index 000000000..f841043b6
--- /dev/null
+++ b/examples/rp/src/bin/rosc.rs
@@ -0,0 +1,32 @@
+//! This example test the RP Pico on board LED.
+//!
+//! It does not work with the RP Pico W board. See wifi_blinky.rs.
+
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_rp::{clocks, gpio};
+use embassy_time::Timer;
+use gpio::{Level, Output};
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = embassy_rp::config::Config::default();
+    config.clocks = clocks::ClockConfig::rosc();
+    let p = embassy_rp::init(config);
+    let mut led = Output::new(p.PIN_25, Level::Low);
+
+    loop {
+        info!("led on!");
+        led.set_high();
+        Timer::after_secs(1).await;
+
+        info!("led off!");
+        led.set_low();
+        Timer::after_secs(1).await;
+    }
+}
diff --git a/examples/rp/src/bin/rtc.rs b/examples/rp/src/bin/rtc.rs
index 15aa8243f..667876db5 100644
--- a/examples/rp/src/bin/rtc.rs
+++ b/examples/rp/src/bin/rtc.rs
@@ -7,7 +7,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::rtc::{DateTime, DayOfWeek, Rtc};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -31,7 +31,7 @@ async fn main(_spawner: Spawner) {
         rtc.set_datetime(now).unwrap();
     }
 
-    Timer::after(Duration::from_millis(20000)).await;
+    Timer::after_millis(20000).await;
 
     if let Ok(dt) = rtc.now() {
         info!(
@@ -41,6 +41,6 @@ async fn main(_spawner: Spawner) {
     }
 
     info!("Reboot.");
-    Timer::after(Duration::from_millis(200)).await;
+    Timer::after_millis(200).await;
     cortex_m::peripheral::SCB::sys_reset();
 }
diff --git a/examples/rp/src/bin/spi_async.rs b/examples/rp/src/bin/spi_async.rs
index 328074e8b..f5a2d334e 100644
--- a/examples/rp/src/bin/spi_async.rs
+++ b/examples/rp/src/bin/spi_async.rs
@@ -8,7 +8,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_rp::spi::{Config, Spi};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -27,6 +27,6 @@ async fn main(_spawner: Spawner) {
         let mut rx_buf = [0_u8; 6];
         spi.transfer(&mut rx_buf, &tx_buf).await.unwrap();
         info!("{:?}", rx_buf);
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/rp/src/bin/uart_buffered_split.rs b/examples/rp/src/bin/uart_buffered_split.rs
index d3e67c8ed..14e8810a4 100644
--- a/examples/rp/src/bin/uart_buffered_split.rs
+++ b/examples/rp/src/bin/uart_buffered_split.rs
@@ -13,7 +13,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::UART0;
 use embassy_rp::uart::{BufferedInterruptHandler, BufferedUart, BufferedUartRx, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::{Read, Write};
 use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
@@ -42,7 +42,7 @@ async fn main(spawner: Spawner) {
         ];
         info!("TX {:?}", data);
         tx.write_all(&data).await.unwrap();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/rp/src/bin/uart_unidir.rs b/examples/rp/src/bin/uart_unidir.rs
index c1515a911..42c8b432e 100644
--- a/examples/rp/src/bin/uart_unidir.rs
+++ b/examples/rp/src/bin/uart_unidir.rs
@@ -14,7 +14,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::UART1;
 use embassy_rp::uart::{Async, Config, InterruptHandler, UartRx, UartTx};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -35,7 +35,7 @@ async fn main(spawner: Spawner) {
         let data = [1u8, 2, 3, 4, 5, 6, 7, 8];
         info!("TX {:?}", data);
         uart_tx.write(&data).await.unwrap();
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/rp/src/bin/usb_hid_keyboard.rs b/examples/rp/src/bin/usb_hid_keyboard.rs
index 99af1f02f..cc2090d22 100644
--- a/examples/rp/src/bin/usb_hid_keyboard.rs
+++ b/examples/rp/src/bin/usb_hid_keyboard.rs
@@ -78,6 +78,9 @@ async fn main(_spawner: Spawner) {
     // Set up the signal pin that will be used to trigger the keyboard.
     let mut signal_pin = Input::new(p.PIN_16, Pull::None);
 
+    // Enable the schmitt trigger to slightly debounce.
+    signal_pin.set_schmitt(true);
+
     let (reader, mut writer) = hid.split();
 
     // Do stuff with the class!
diff --git a/examples/rp/src/bin/usb_logger.rs b/examples/rp/src/bin/usb_logger.rs
index 9c5e6897d..791f15e56 100644
--- a/examples/rp/src/bin/usb_logger.rs
+++ b/examples/rp/src/bin/usb_logger.rs
@@ -10,7 +10,7 @@ use embassy_executor::Spawner;
 use embassy_rp::bind_interrupts;
 use embassy_rp::peripherals::USB;
 use embassy_rp::usb::{Driver, InterruptHandler};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -32,6 +32,6 @@ async fn main(spawner: Spawner) {
     loop {
         counter += 1;
         log::info!("Tick {}", counter);
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/rp/src/bin/usb_midi.rs b/examples/rp/src/bin/usb_midi.rs
new file mode 100644
index 000000000..f0b03c81b
--- /dev/null
+++ b/examples/rp/src/bin/usb_midi.rs
@@ -0,0 +1,110 @@
+//! This example shows how to use USB (Universal Serial Bus) in the RP2040 chip.
+//!
+//! This creates a USB MIDI device that echoes MIDI messages back to the host.
+
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::{info, panic};
+use embassy_executor::Spawner;
+use embassy_futures::join::join;
+use embassy_rp::bind_interrupts;
+use embassy_rp::peripherals::USB;
+use embassy_rp::usb::{Driver, Instance, InterruptHandler};
+use embassy_usb::class::midi::MidiClass;
+use embassy_usb::driver::EndpointError;
+use embassy_usb::{Builder, Config};
+use {defmt_rtt as _, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    USBCTRL_IRQ => InterruptHandler<USB>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    info!("Hello world!");
+
+    let p = embassy_rp::init(Default::default());
+
+    // Create the driver, from the HAL.
+    let driver = Driver::new(p.USB, Irqs);
+
+    // Create embassy-usb Config
+    let mut config = Config::new(0xc0de, 0xcafe);
+    config.manufacturer = Some("Embassy");
+    config.product = Some("USB-MIDI example");
+    config.serial_number = Some("12345678");
+    config.max_power = 100;
+    config.max_packet_size_0 = 64;
+
+    // Required for windows compatibility.
+    // https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.9.1/kconfig/CONFIG_CDC_ACM_IAD.html#help
+    config.device_class = 0xEF;
+    config.device_sub_class = 0x02;
+    config.device_protocol = 0x01;
+    config.composite_with_iads = true;
+
+    // Create embassy-usb DeviceBuilder using the driver and config.
+    // It needs some buffers for building the descriptors.
+    let mut device_descriptor = [0; 256];
+    let mut config_descriptor = [0; 256];
+    let mut bos_descriptor = [0; 256];
+    let mut control_buf = [0; 64];
+
+    let mut builder = Builder::new(
+        driver,
+        config,
+        &mut device_descriptor,
+        &mut config_descriptor,
+        &mut bos_descriptor,
+        &mut control_buf,
+    );
+
+    // Create classes on the builder.
+    let mut class = MidiClass::new(&mut builder, 1, 1, 64);
+
+    // The `MidiClass` can be split into `Sender` and `Receiver`, to be used in separate tasks.
+    // let (sender, receiver) = class.split();
+
+    // Build the builder.
+    let mut usb = builder.build();
+
+    // Run the USB device.
+    let usb_fut = usb.run();
+
+    // Use the Midi class!
+    let midi_fut = async {
+        loop {
+            class.wait_connection().await;
+            info!("Connected");
+            let _ = midi_echo(&mut class).await;
+            info!("Disconnected");
+        }
+    };
+
+    // Run everything concurrently.
+    // If we had made everything `'static` above instead, we could do this using separate tasks instead.
+    join(usb_fut, midi_fut).await;
+}
+
+struct Disconnected {}
+
+impl From<EndpointError> for Disconnected {
+    fn from(val: EndpointError) -> Self {
+        match val {
+            EndpointError::BufferOverflow => panic!("Buffer overflow"),
+            EndpointError::Disabled => Disconnected {},
+        }
+    }
+}
+
+async fn midi_echo<'d, T: Instance + 'd>(class: &mut MidiClass<'d, Driver<'d, T>>) -> Result<(), Disconnected> {
+    let mut buf = [0; 64];
+    loop {
+        let n = class.read_packet(&mut buf).await?;
+        let data = &buf[..n];
+        info!("data: {:x}", data);
+        class.write_packet(data).await?;
+    }
+}
diff --git a/examples/rp/src/bin/watchdog.rs b/examples/rp/src/bin/watchdog.rs
index fe5eaf926..b6af518af 100644
--- a/examples/rp/src/bin/watchdog.rs
+++ b/examples/rp/src/bin/watchdog.rs
@@ -24,7 +24,7 @@ async fn main(_spawner: Spawner) {
 
     // Set the LED high for 2 seconds so we know when we're about to start the watchdog
     led.set_high();
-    Timer::after(Duration::from_secs(2)).await;
+    Timer::after_secs(2).await;
 
     // Set to watchdog to reset if it's not fed within 1.05 seconds, and start it
     watchdog.start(Duration::from_millis(1_050));
@@ -33,9 +33,9 @@ async fn main(_spawner: Spawner) {
     // Blink once a second for 5 seconds, feed the watchdog timer once a second to avoid a reset
     for _ in 1..=5 {
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
         info!("Feeding watchdog");
         watchdog.feed();
     }
@@ -45,8 +45,8 @@ async fn main(_spawner: Spawner) {
     // The processor should reset in 1.05 seconds.
     loop {
         led.set_low();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
         led.set_high();
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/rp/src/bin/wifi_ap_tcp_server.rs b/examples/rp/src/bin/wifi_ap_tcp_server.rs
index cd61ad789..98cae53f6 100644
--- a/examples/rp/src/bin/wifi_ap_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_ap_tcp_server.rs
@@ -52,7 +52,7 @@ async fn main(spawner: Spawner) {
     // at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
     //     probe-rs download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
     //     probe-rs download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
-    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
+    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 230321) };
     //let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
 
     let pwr = Output::new(p.PIN_23, Level::Low);
diff --git a/examples/rp/src/bin/wifi_blinky.rs b/examples/rp/src/bin/wifi_blinky.rs
index 33d43788c..14ace74e9 100644
--- a/examples/rp/src/bin/wifi_blinky.rs
+++ b/examples/rp/src/bin/wifi_blinky.rs
@@ -38,7 +38,7 @@ async fn main(spawner: Spawner) {
     // at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
     //     probe-rs download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
     //     probe-rs download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
-    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
+    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 230321) };
     //let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
 
     let pwr = Output::new(p.PIN_23, Level::Low);
diff --git a/examples/rp/src/bin/wifi_scan.rs b/examples/rp/src/bin/wifi_scan.rs
index 743fab617..dbbbf6c81 100644
--- a/examples/rp/src/bin/wifi_scan.rs
+++ b/examples/rp/src/bin/wifi_scan.rs
@@ -49,7 +49,7 @@ async fn main(spawner: Spawner) {
     // at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
     //     probe-rs download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
     //     probe-rs download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
-    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
+    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 230321) };
     //let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
 
     let pwr = Output::new(p.PIN_23, Level::Low);
diff --git a/examples/rp/src/bin/wifi_tcp_server.rs b/examples/rp/src/bin/wifi_tcp_server.rs
index 55fcb4a6a..c00fff216 100644
--- a/examples/rp/src/bin/wifi_tcp_server.rs
+++ b/examples/rp/src/bin/wifi_tcp_server.rs
@@ -18,7 +18,7 @@ use embassy_rp::bind_interrupts;
 use embassy_rp::gpio::{Level, Output};
 use embassy_rp::peripherals::{DMA_CH0, PIN_23, PIN_25, PIO0};
 use embassy_rp::pio::{InterruptHandler, Pio};
-use embassy_time::Duration;
+use embassy_time::{Duration, Timer};
 use embedded_io_async::Write;
 use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
@@ -55,7 +55,7 @@ async fn main(spawner: Spawner) {
     // at hardcoded addresses, instead of baking them into the program with `include_bytes!`:
     //     probe-rs download 43439A0.bin --format bin --chip RP2040 --base-address 0x10100000
     //     probe-rs download 43439A0_clm.bin --format bin --chip RP2040 --base-address 0x10140000
-    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 224190) };
+    //let fw = unsafe { core::slice::from_raw_parts(0x10100000 as *const u8, 230321) };
     //let clm = unsafe { core::slice::from_raw_parts(0x10140000 as *const u8, 4752) };
 
     let pwr = Output::new(p.PIN_23, Level::Low);
@@ -102,6 +102,13 @@ async fn main(spawner: Spawner) {
         }
     }
 
+    // Wait for DHCP, not necessary when using static IP
+    info!("waiting for DHCP...");
+    while !stack.is_config_up() {
+        Timer::after_millis(100).await;
+    }
+    info!("DHCP is now up!");
+
     // And now we can use it!
 
     let mut rx_buffer = [0; 4096];
diff --git a/examples/std/Cargo.toml b/examples/std/Cargo.toml
index e54f36980..a5f4c8713 100644
--- a/examples/std/Cargo.toml
+++ b/examples/std/Cargo.toml
@@ -7,12 +7,12 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["log"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["arch-std", "executor-thread", "log", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["log", "std", "nightly"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features=[ "std", "nightly", "log", "medium-ethernet", "medium-ip", "tcp", "udp", "dns", "dhcpv4", "proto-ipv6"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["log", "std", "nightly"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features=[ "std", "nightly", "log", "medium-ethernet", "medium-ip", "tcp", "udp", "dns", "dhcpv4", "proto-ipv6"] }
 embassy-net-tuntap = { version = "0.1.0", path = "../../embassy-net-tuntap" }
 embassy-net-ppp = { version = "0.1.0", path = "../../embassy-net-ppp", features = ["log"]}
-embedded-io-async = { version = "0.5.0" }
-embedded-io-adapters = { version = "0.5.0", features = ["futures-03"] }
+embedded-io-async = { version = "0.6.0" }
+embedded-io-adapters = { version = "0.6.0", features = ["futures-03"] }
 critical-section = { version = "1.1", features = ["std"] }
 smoltcp = { version = "0.10.0", features = ["dns-max-server-count-4"] }
 
diff --git a/examples/std/src/bin/net_ppp.rs b/examples/std/src/bin/net_ppp.rs
index 9cf6e19df..9ea07b29a 100644
--- a/examples/std/src/bin/net_ppp.rs
+++ b/examples/std/src/bin/net_ppp.rs
@@ -8,7 +8,7 @@
 //!     nc 192.168.7.10 1234
 
 #![feature(type_alias_impl_trait)]
-#![feature(async_fn_in_trait, impl_trait_projections)]
+#![feature(async_fn_in_trait)]
 
 #[path = "../serial_port.rs"]
 mod serial_port;
diff --git a/examples/std/src/bin/tcp_accept.rs b/examples/std/src/bin/tcp_accept.rs
index 199e4c9ec..79fa375cd 100644
--- a/examples/std/src/bin/tcp_accept.rs
+++ b/examples/std/src/bin/tcp_accept.rs
@@ -100,7 +100,7 @@ async fn main_task(spawner: Spawner) {
                 return;
             }
 
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
         }
         info!("Closing the connection");
         socket.abort();
diff --git a/examples/std/src/bin/tick.rs b/examples/std/src/bin/tick.rs
index b9de9d873..a3f99067e 100644
--- a/examples/std/src/bin/tick.rs
+++ b/examples/std/src/bin/tick.rs
@@ -1,14 +1,14 @@
 #![feature(type_alias_impl_trait)]
 
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use log::*;
 
 #[embassy_executor::task]
 async fn run() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/stm32c0/Cargo.toml b/examples/stm32c0/Cargo.toml
index 89ecc4995..b80ccd302 100644
--- a/examples/stm32c0/Cargo.toml
+++ b/examples/stm32c0/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32c031c6", "memory-x", "unstable-pac", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32c0/src/bin/blinky.rs b/examples/stm32c0/src/bin/blinky.rs
index 8a65b0692..cbeb0dee1 100644
--- a/examples/stm32c0/src/bin/blinky.rs
+++ b/examples/stm32c0/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index db9a24d73..47a95ec1e 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -16,7 +16,7 @@ defmt-rtt = "0.4"
 panic-probe = "0.3"
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 static_cell = { version = "1.1", features = ["nightly"]}
 
 [profile.release]
diff --git a/examples/stm32f0/src/bin/adc.rs b/examples/stm32f0/src/bin/adc.rs
index 1564ecfc0..96f234402 100644
--- a/examples/stm32f0/src/bin/adc.rs
+++ b/examples/stm32f0/src/bin/adc.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, SampleTime};
 use embassy_stm32::peripherals::ADC;
 use embassy_stm32::{adc, bind_interrupts};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let v = adc.read(&mut pin).await;
         info!("--> {} - {} mV", v, convert_to_millivolts(v));
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/stm32f0/src/bin/blinky.rs b/examples/stm32f0/src/bin/blinky.rs
index 9f923399c..899394546 100644
--- a/examples/stm32f0/src/bin/blinky.rs
+++ b/examples/stm32f0/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 // main is itself an async function.
@@ -19,10 +19,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f0/src/bin/button_controlled_blink.rs b/examples/stm32f0/src/bin/button_controlled_blink.rs
index f362c53f5..306df1752 100644
--- a/examples/stm32f0/src/bin/button_controlled_blink.rs
+++ b/examples/stm32f0/src/bin/button_controlled_blink.rs
@@ -10,7 +10,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{AnyPin, Input, Level, Output, Pin, Pull, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 static BLINK_MS: AtomicU32 = AtomicU32::new(0);
@@ -24,7 +24,7 @@ async fn led_task(led: AnyPin) {
     loop {
         let del = BLINK_MS.load(Ordering::Relaxed);
         info!("Value of del is {}", del);
-        Timer::after(Duration::from_millis(del.into())).await;
+        Timer::after_millis(del.into()).await;
         info!("LED toggling");
         led.toggle();
     }
diff --git a/examples/stm32f0/src/bin/hello.rs b/examples/stm32f0/src/bin/hello.rs
index db78233ea..0f98d9865 100644
--- a/examples/stm32f0/src/bin/hello.rs
+++ b/examples/stm32f0/src/bin/hello.rs
@@ -4,14 +4,14 @@
 
 use defmt::info;
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) -> ! {
     let _p = embassy_stm32::init(Default::default());
     loop {
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         info!("Hello");
     }
 }
diff --git a/examples/stm32f0/src/bin/multiprio.rs b/examples/stm32f0/src/bin/multiprio.rs
index 988ffeef1..870c7c45b 100644
--- a/examples/stm32f0/src/bin/multiprio.rs
+++ b/examples/stm32f0/src/bin/multiprio.rs
@@ -62,7 +62,7 @@ use defmt::*;
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_stm32::interrupt;
 use embassy_stm32::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         // info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }
 
diff --git a/examples/stm32f0/src/bin/wdg.rs b/examples/stm32f0/src/bin/wdg.rs
index a44b17528..b51dee8ee 100644
--- a/examples/stm32f0/src/bin/wdg.rs
+++ b/examples/stm32f0/src/bin/wdg.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::wdg::IndependentWatchdog;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -19,7 +19,7 @@ async fn main(_spawner: Spawner) {
     wdg.unleash();
 
     loop {
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         wdg.pet();
     }
 }
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index b032ba817..34319fbd8 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f103c8", "unstable-pac", "memory-x", "time-driver-any", "unstable-traits" ]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 
diff --git a/examples/stm32f1/src/bin/adc.rs b/examples/stm32f1/src/bin/adc.rs
index 30947c3c2..1edac3d83 100644
--- a/examples/stm32f1/src/bin/adc.rs
+++ b/examples/stm32f1/src/bin/adc.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::adc::Adc;
 use embassy_stm32::peripherals::ADC1;
 use embassy_stm32::{adc, bind_interrupts};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -35,6 +35,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let v = adc.read(&mut pin).await;
         info!("--> {} - {} mV", v, convert_to_millivolts(v));
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/stm32f1/src/bin/blinky.rs b/examples/stm32f1/src/bin/blinky.rs
index b9b0ac238..3425b0536 100644
--- a/examples/stm32f1/src/bin/blinky.rs
+++ b/examples/stm32f1/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f1/src/bin/hello.rs b/examples/stm32f1/src/bin/hello.rs
index 180b6aabd..e63bcaae0 100644
--- a/examples/stm32f1/src/bin/hello.rs
+++ b/examples/stm32f1/src/bin/hello.rs
@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -17,6 +17,6 @@ async fn main(_spawner: Spawner) -> ! {
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/stm32f1/src/bin/usb_serial.rs b/examples/stm32f1/src/bin/usb_serial.rs
index 663099ff7..60eb5d0e4 100644
--- a/examples/stm32f1/src/bin/usb_serial.rs
+++ b/examples/stm32f1/src/bin/usb_serial.rs
@@ -9,7 +9,7 @@ use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::usb::{Driver, Instance};
 use embassy_stm32::{bind_interrupts, peripherals, usb, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
 use embassy_usb::driver::EndpointError;
 use embassy_usb::Builder;
@@ -35,7 +35,7 @@ async fn main(_spawner: Spawner) {
         // This forced reset is needed only for development, without it host
         // will not reset your device when you upload new firmware.
         let _dp = Output::new(&mut p.PA12, Level::Low, Speed::Low);
-        Timer::after(Duration::from_millis(10)).await;
+        Timer::after_millis(10).await;
     }
 
     // Create the driver, from the HAL.
diff --git a/examples/stm32f2/Cargo.toml b/examples/stm32f2/Cargo.toml
index 1314b6b12..fbf508367 100644
--- a/examples/stm32f2/Cargo.toml
+++ b/examples/stm32f2/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f207zg", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32f2/src/bin/blinky.rs b/examples/stm32f2/src/bin/blinky.rs
index d8c89a519..f6d7a0005 100644
--- a/examples/stm32f2/src/bin/blinky.rs
+++ b/examples/stm32f2/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }
diff --git a/examples/stm32f2/src/bin/pll.rs b/examples/stm32f2/src/bin/pll.rs
index 894937614..56591b527 100644
--- a/examples/stm32f2/src/bin/pll.rs
+++ b/examples/stm32f2/src/bin/pll.rs
@@ -7,11 +7,11 @@ use core::convert::TryFrom;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::rcc::{
-    APBPrescaler, ClockSrc, HSEConfig, HSESrc, PLL48Div, PLLConfig, PLLMainDiv, PLLMul, PLLPreDiv, PLLSrc,
+    APBPrescaler, ClockSrc, HSEConfig, HSESrc, PLLConfig, PLLMul, PLLPDiv, PLLPreDiv, PLLQDiv, PLLSrc,
 };
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -32,9 +32,9 @@ async fn main(_spawner: Spawner) {
         // 1 MHz PLL input * 240 = 240 MHz PLL VCO
         mul: unwrap!(PLLMul::try_from(240)),
         // 240 MHz PLL VCO / 2 = 120 MHz main PLL output
-        main_div: PLLMainDiv::Div2,
+        p_div: PLLPDiv::DIV2,
         // 240 MHz PLL VCO / 5 = 48 MHz PLL48 output
-        pll48_div: unwrap!(PLL48Div::try_from(5)),
+        q_div: PLLQDiv::DIV5,
     };
     // System clock comes from PLL (= the 120 MHz main PLL output)
     config.rcc.mux = ClockSrc::PLL;
@@ -46,7 +46,7 @@ async fn main(_spawner: Spawner) {
     let _p = embassy_stm32::init(config);
 
     loop {
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
         info!("1s elapsed");
     }
 }
diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index 534e783de..b3b2b1233 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f303ze", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 
diff --git a/examples/stm32f3/src/bin/blinky.rs b/examples/stm32f3/src/bin/blinky.rs
index 185785ceb..e71031b30 100644
--- a/examples/stm32f3/src/bin/blinky.rs
+++ b/examples/stm32f3/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }
diff --git a/examples/stm32f3/src/bin/button_events.rs b/examples/stm32f3/src/bin/button_events.rs
index 8e97e85eb..9df6d680d 100644
--- a/examples/stm32f3/src/bin/button_events.rs
+++ b/examples/stm32f3/src/bin/button_events.rs
@@ -65,11 +65,11 @@ impl<'a> Leds<'a> {
             for led in &mut self.leds {
                 led.set_high();
             }
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
             for led in &mut self.leds {
                 led.set_low();
             }
-            Timer::after(Duration::from_millis(200)).await;
+            Timer::after_millis(200).await;
         }
     }
 
diff --git a/examples/stm32f3/src/bin/hello.rs b/examples/stm32f3/src/bin/hello.rs
index 65773210d..b3285f3c1 100644
--- a/examples/stm32f3/src/bin/hello.rs
+++ b/examples/stm32f3/src/bin/hello.rs
@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,6 +18,6 @@ async fn main(_spawner: Spawner) -> ! {
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/stm32f3/src/bin/multiprio.rs b/examples/stm32f3/src/bin/multiprio.rs
index 80bf59deb..74f3bb1c5 100644
--- a/examples/stm32f3/src/bin/multiprio.rs
+++ b/examples/stm32f3/src/bin/multiprio.rs
@@ -62,7 +62,7 @@ use defmt::*;
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_stm32::interrupt;
 use embassy_stm32::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }
 
diff --git a/examples/stm32f3/src/bin/usb_serial.rs b/examples/stm32f3/src/bin/usb_serial.rs
index f15f333b7..a9537c77b 100644
--- a/examples/stm32f3/src/bin/usb_serial.rs
+++ b/examples/stm32f3/src/bin/usb_serial.rs
@@ -9,7 +9,7 @@ use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::time::mhz;
 use embassy_stm32::usb::{Driver, Instance};
 use embassy_stm32::{bind_interrupts, peripherals, usb, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
 use embassy_usb::driver::EndpointError;
 use embassy_usb::Builder;
@@ -33,7 +33,7 @@ async fn main(_spawner: Spawner) {
 
     // Needed for nucleo-stm32f303ze
     let mut dp_pullup = Output::new(p.PG6, Level::Low, Speed::Medium);
-    Timer::after(Duration::from_millis(10)).await;
+    Timer::after_millis(10).await;
     dp_pullup.set_high();
 
     // Create the driver, from the HAL.
diff --git a/examples/stm32f334/src/bin/adc.rs b/examples/stm32f334/src/bin/adc.rs
index ed246a7db..f259135d2 100644
--- a/examples/stm32f334/src/bin/adc.rs
+++ b/examples/stm32f334/src/bin/adc.rs
@@ -6,10 +6,10 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, SampleTime};
 use embassy_stm32::peripherals::ADC1;
-use embassy_stm32::rcc::AdcClockSource;
+use embassy_stm32::rcc::{AdcClockSource, Adcpres};
 use embassy_stm32::time::mhz;
 use embassy_stm32::{adc, bind_interrupts, Config};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -23,7 +23,7 @@ async fn main(_spawner: Spawner) -> ! {
     config.rcc.hclk = Some(mhz(64));
     config.rcc.pclk1 = Some(mhz(32));
     config.rcc.pclk2 = Some(mhz(64));
-    config.rcc.adc = Some(AdcClockSource::PllDiv1);
+    config.rcc.adc = Some(AdcClockSource::Pll(Adcpres::DIV1));
 
     let mut p = embassy_stm32::init(config);
 
@@ -51,6 +51,6 @@ async fn main(_spawner: Spawner) -> ! {
         let pin_mv = (pin as u32 * vrefint.value() as u32 / vref as u32) * 3300 / 4095;
         info!("computed pin mv: {}", pin_mv);
 
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32f334/src/bin/button.rs b/examples/stm32f334/src/bin/button.rs
index 599c0f27d..501fb080c 100644
--- a/examples/stm32f334/src/bin/button.rs
+++ b/examples/stm32f334/src/bin/button.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -17,10 +17,10 @@ async fn main(_spawner: Spawner) {
     let mut out1 = Output::new(p.PA8, Level::Low, Speed::High);
 
     out1.set_high();
-    Timer::after(Duration::from_millis(500)).await;
+    Timer::after_millis(500).await;
     out1.set_low();
 
-    Timer::after(Duration::from_millis(500)).await;
+    Timer::after_millis(500).await;
     info!("end program");
 
     cortex_m::asm::bkpt();
diff --git a/examples/stm32f334/src/bin/hello.rs b/examples/stm32f334/src/bin/hello.rs
index 65773210d..b3285f3c1 100644
--- a/examples/stm32f334/src/bin/hello.rs
+++ b/examples/stm32f334/src/bin/hello.rs
@@ -6,7 +6,7 @@ use defmt::info;
 use embassy_executor::Spawner;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,6 +18,6 @@ async fn main(_spawner: Spawner) -> ! {
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/stm32f334/src/bin/opamp.rs b/examples/stm32f334/src/bin/opamp.rs
new file mode 100644
index 000000000..128001bf2
--- /dev/null
+++ b/examples/stm32f334/src/bin/opamp.rs
@@ -0,0 +1,59 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::info;
+use embassy_executor::Spawner;
+use embassy_stm32::adc::{Adc, SampleTime};
+use embassy_stm32::opamp::{OpAmp, OpAmpGain};
+use embassy_stm32::peripherals::ADC2;
+use embassy_stm32::rcc::{AdcClockSource, Adcpres};
+use embassy_stm32::time::mhz;
+use embassy_stm32::{adc, bind_interrupts, Config};
+use embassy_time::{Delay, Timer};
+use {defmt_rtt as _, panic_probe as _};
+
+bind_interrupts!(struct Irqs {
+    ADC1_2 => adc::InterruptHandler<ADC2>;
+});
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
+    let mut config = Config::default();
+    config.rcc.sysclk = Some(mhz(64));
+    config.rcc.hclk = Some(mhz(64));
+    config.rcc.pclk1 = Some(mhz(32));
+    config.rcc.pclk2 = Some(mhz(64));
+    config.rcc.adc = Some(AdcClockSource::Pll(Adcpres::DIV1));
+
+    let mut p = embassy_stm32::init(config);
+
+    info!("create adc...");
+
+    let mut adc = Adc::new(p.ADC2, Irqs, &mut Delay);
+    let mut opamp = OpAmp::new(p.OPAMP2);
+
+    adc.set_sample_time(SampleTime::Cycles601_5);
+
+    info!("enable vrefint...");
+
+    let mut vrefint = adc.enable_vref(&mut Delay);
+    let mut temperature = adc.enable_temperature();
+    let mut buffer = opamp.buffer_for(&mut p.PA7, OpAmpGain::Mul1);
+
+    loop {
+        let vref = adc.read(&mut vrefint).await;
+        info!("read vref: {} (should be {})", vref, vrefint.value());
+
+        let temp = adc.read(&mut temperature).await;
+        info!("read temperature: {}", temp);
+
+        let buffer = adc.read(&mut buffer).await;
+        info!("read buffer: {}", buffer);
+
+        let pin_mv = (buffer as u32 * vrefint.value() as u32 / vref as u32) * 3300 / 4095;
+        info!("computed pin mv: {}", pin_mv);
+
+        Timer::after_millis(500).await;
+    }
+}
diff --git a/examples/stm32f334/src/bin/pwm.rs b/examples/stm32f334/src/bin/pwm.rs
index aebc421b3..8040c3f18 100644
--- a/examples/stm32f334/src/bin/pwm.rs
+++ b/examples/stm32f334/src/bin/pwm.rs
@@ -8,7 +8,7 @@ use embassy_stm32::hrtim::*;
 use embassy_stm32::rcc::HrtimClockSource;
 use embassy_stm32::time::{khz, mhz};
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -48,7 +48,7 @@ async fn main(_spawner: Spawner) {
     //        .setr(0)
     //        .modify(|w| w.set_sst(Activeeffect::SETACTIVE));
     //
-    //    Timer::after(Duration::from_millis(500)).await;
+    //    Timer::after_millis(500).await;
     //
     //    embassy_stm32::pac::HRTIM1
     //        .tim(0)
@@ -65,7 +65,7 @@ async fn main(_spawner: Spawner) {
 
     buck_converter.start();
 
-    Timer::after(Duration::from_millis(500)).await;
+    Timer::after_millis(500).await;
 
     info!("end program");
 
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index 4b4fb479b..9b10e9754 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -9,9 +9,9 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "unstable-traits", "defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti", "embedded-sdmmc", "chrono"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet", "nightly"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet", "nightly"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
@@ -19,8 +19,8 @@ defmt-rtt = "0.4"
 cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
-embedded-io = { version = "0.5.0" }
-embedded-io-async = { version = "0.5.0" }
+embedded-io = { version = "0.6.0" }
+embedded-io-async = { version = "0.6.0" }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32f4/src/bin/adc.rs b/examples/stm32f4/src/bin/adc.rs
index dd10385c4..f19328727 100644
--- a/examples/stm32f4/src/bin/adc.rs
+++ b/examples/stm32f4/src/bin/adc.rs
@@ -6,7 +6,7 @@ use cortex_m::prelude::_embedded_hal_blocking_delay_DelayUs;
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, Temperature, VrefInt};
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -63,6 +63,6 @@ async fn main(_spawner: Spawner) {
         let v = adc.read(&mut vrefint);
         info!("VrefInt: {}", v);
 
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/blinky.rs b/examples/stm32f4/src/bin/blinky.rs
index b27bee4ce..4bfc5a50d 100644
--- a/examples/stm32f4/src/bin/blinky.rs
+++ b/examples/stm32f4/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/eth.rs b/examples/stm32f4/src/bin/eth.rs
index 16bf5d949..1747bbf4b 100644
--- a/examples/stm32f4/src/bin/eth.rs
+++ b/examples/stm32f4/src/bin/eth.rs
@@ -10,9 +10,9 @@ use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
 use embassy_stm32::rng::Rng;
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::Hertz;
 use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::Write;
 use static_cell::make_static;
 use {defmt_rtt as _, panic_probe as _};
@@ -32,7 +32,25 @@ async fn net_task(stack: &'static Stack<Device>) -> ! {
 #[embassy_executor::main]
 async fn main(spawner: Spawner) -> ! {
     let mut config = Config::default();
-    config.rcc.sys_ck = Some(mhz(200));
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL180,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 180 / 2 = 180Mhz.
+            divq: None,
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
@@ -58,9 +76,8 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(),
+        GenericSMI::new(0),
         mac_addr,
-        0,
     );
 
     let config = embassy_net::Config::dhcpv4(Default::default());
@@ -100,7 +117,7 @@ async fn main(spawner: Spawner) -> ! {
         let r = socket.connect(remote_endpoint).await;
         if let Err(e) = r {
             info!("connect error: {:?}", e);
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
             continue;
         }
         info!("connected!");
@@ -111,7 +128,7 @@ async fn main(spawner: Spawner) -> ! {
                 info!("write error: {:?}", e);
                 break;
             }
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }
diff --git a/examples/stm32f4/src/bin/flash_async.rs b/examples/stm32f4/src/bin/flash_async.rs
index 6c9689d9c..f0a65a725 100644
--- a/examples/stm32f4/src/bin/flash_async.rs
+++ b/examples/stm32f4/src/bin/flash_async.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::bind_interrupts;
 use embassy_stm32::flash::{Flash, InterruptHandler};
 use embassy_stm32::gpio::{AnyPin, Level, Output, Pin, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
@@ -35,11 +35,11 @@ async fn blinky(p: AnyPin) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
 
diff --git a/examples/stm32f4/src/bin/hello.rs b/examples/stm32f4/src/bin/hello.rs
index c409703f5..a2a287110 100644
--- a/examples/stm32f4/src/bin/hello.rs
+++ b/examples/stm32f4/src/bin/hello.rs
@@ -4,19 +4,17 @@
 
 use defmt::info;
 use embassy_executor::Spawner;
-use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) -> ! {
-    let mut config = Config::default();
-    config.rcc.sys_ck = Some(Hertz(84_000_000));
+    let config = Config::default();
     let _p = embassy_stm32::init(config);
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/i2c.rs b/examples/stm32f4/src/bin/i2c.rs
index a92957325..032bd97ee 100644
--- a/examples/stm32f4/src/bin/i2c.rs
+++ b/examples/stm32f4/src/bin/i2c.rs
@@ -5,10 +5,9 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::dma::NoDma;
-use embassy_stm32::i2c::{Error, I2c, TimeoutI2c};
+use embassy_stm32::i2c::{Error, I2c};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::{bind_interrupts, i2c, peripherals};
-use embassy_time::Duration;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDRESS: u8 = 0x5F;
@@ -34,13 +33,9 @@ async fn main(_spawner: Spawner) {
         Default::default(),
     );
 
-    // I2C bus can freeze if SCL line is shorted or due to a broken device that clock stretches for too long.
-    // TimeoutI2c allows recovering from such errors by throwing `Error::Timeout` after a given delay.
-    let mut timeout_i2c = TimeoutI2c::new(&mut i2c, Duration::from_millis(1000));
-
     let mut data = [0u8; 1];
 
-    match timeout_i2c.blocking_write_read(ADDRESS, &[WHOAMI], &mut data) {
+    match i2c.blocking_write_read(ADDRESS, &[WHOAMI], &mut data) {
         Ok(()) => info!("Whoami: {}", data[0]),
         Err(Error::Timeout) => error!("Operation timed out"),
         Err(e) => error!("I2c Error: {:?}", e),
diff --git a/examples/stm32f4/src/bin/mco.rs b/examples/stm32f4/src/bin/mco.rs
index 2b9ceebc3..3315e7652 100644
--- a/examples/stm32f4/src/bin/mco.rs
+++ b/examples/stm32f4/src/bin/mco.rs
@@ -5,8 +5,8 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::rcc::{Mco, Mco1Source, Mco2Source, McoClock};
-use embassy_time::{Duration, Timer};
+use embassy_stm32::rcc::{Mco, Mco1Source, Mco2Source, McoPrescaler};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -14,17 +14,17 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
-    let _mco1 = Mco::new(p.MCO1, p.PA8, Mco1Source::Hsi, McoClock::DIV1);
-    let _mco2 = Mco::new(p.MCO2, p.PC9, Mco2Source::Pll, McoClock::DIV4);
+    let _mco1 = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, McoPrescaler::DIV1);
+    let _mco2 = Mco::new(p.MCO2, p.PC9, Mco2Source::PLL, McoPrescaler::DIV4);
     let mut led = Output::new(p.PB7, Level::High, Speed::Low);
 
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/multiprio.rs b/examples/stm32f4/src/bin/multiprio.rs
index 80bf59deb..74f3bb1c5 100644
--- a/examples/stm32f4/src/bin/multiprio.rs
+++ b/examples/stm32f4/src/bin/multiprio.rs
@@ -62,7 +62,7 @@ use defmt::*;
 use embassy_executor::{Executor, InterruptExecutor};
 use embassy_stm32::interrupt;
 use embassy_stm32::interrupt::{InterruptExt, Priority};
-use embassy_time::{Duration, Instant, Timer};
+use embassy_time::{Instant, Timer};
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -70,7 +70,7 @@ use {defmt_rtt as _, panic_probe as _};
 async fn run_high() {
     loop {
         info!("        [high] tick!");
-        Timer::after(Duration::from_ticks(27374)).await;
+        Timer::after_ticks(27374).await;
     }
 }
 
@@ -87,7 +87,7 @@ async fn run_med() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("    [med] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(23421)).await;
+        Timer::after_ticks(23421).await;
     }
 }
 
@@ -104,7 +104,7 @@ async fn run_low() {
         let ms = end.duration_since(start).as_ticks() / 33;
         info!("[low] done in {} ms", ms);
 
-        Timer::after(Duration::from_ticks(32983)).await;
+        Timer::after_ticks(32983).await;
     }
 }
 
diff --git a/examples/stm32f4/src/bin/pwm.rs b/examples/stm32f4/src/bin/pwm.rs
index 139b8de70..8e41d0e78 100644
--- a/examples/stm32f4/src/bin/pwm.rs
+++ b/examples/stm32f4/src/bin/pwm.rs
@@ -8,7 +8,7 @@ use embassy_stm32::gpio::OutputType;
 use embassy_stm32::time::khz;
 use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm};
 use embassy_stm32::timer::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -26,12 +26,12 @@ async fn main(_spawner: Spawner) {
 
     loop {
         pwm.set_duty(Channel::Ch1, 0);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 4);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 2);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max - 1);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/pwm_complementary.rs b/examples/stm32f4/src/bin/pwm_complementary.rs
index dabbbf9ac..d925f26d9 100644
--- a/examples/stm32f4/src/bin/pwm_complementary.rs
+++ b/examples/stm32f4/src/bin/pwm_complementary.rs
@@ -9,7 +9,7 @@ use embassy_stm32::time::khz;
 use embassy_stm32::timer::complementary_pwm::{ComplementaryPwm, ComplementaryPwmPin};
 use embassy_stm32::timer::simple_pwm::PwmPin;
 use embassy_stm32::timer::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -43,12 +43,12 @@ async fn main(_spawner: Spawner) {
 
     loop {
         pwm.set_duty(Channel::Ch1, 0);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 4);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 2);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max - 1);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/rtc.rs b/examples/stm32f4/src/bin/rtc.rs
index e33746008..44b4303c0 100644
--- a/examples/stm32f4/src/bin/rtc.rs
+++ b/examples/stm32f4/src/bin/rtc.rs
@@ -5,16 +5,14 @@
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::rtc::{Rtc, RtcClockSource, RtcConfig};
+use embassy_stm32::rtc::{Rtc, RtcConfig};
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
-    let mut config = Config::default();
-    config.rcc.lsi = true;
-    config.rcc.rtc = Option::Some(RtcClockSource::LSI);
+    let config = Config::default();
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
@@ -33,6 +31,6 @@ async fn main(_spawner: Spawner) {
 
         info!("{}", now.timestamp());
 
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }
diff --git a/examples/stm32f4/src/bin/sdmmc.rs b/examples/stm32f4/src/bin/sdmmc.rs
index 6ec7d0fec..37e42384b 100644
--- a/examples/stm32f4/src/bin/sdmmc.rs
+++ b/examples/stm32f4/src/bin/sdmmc.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::sdmmc::{DataBlock, Sdmmc};
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::{mhz, Hertz};
 use embassy_stm32::{bind_interrupts, peripherals, sdmmc, Config};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -20,8 +20,25 @@ bind_interrupts!(struct Irqs {
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-    config.rcc.sys_ck = Some(mhz(48));
-    config.rcc.pll48 = true;
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL168,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 168 / 2 = 168Mhz.
+            divq: Some(Pllq::DIV7), // 8mhz / 4 * 168 / 7 = 48Mhz.
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
     info!("Hello World!");
 
diff --git a/examples/stm32f4/src/bin/usb_ethernet.rs b/examples/stm32f4/src/bin/usb_ethernet.rs
index 763e3a9e7..7c0644aeb 100644
--- a/examples/stm32f4/src/bin/usb_ethernet.rs
+++ b/examples/stm32f4/src/bin/usb_ethernet.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
 use embassy_net::{Stack, StackResources};
 use embassy_stm32::rng::{self, Rng};
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::Hertz;
 use embassy_stm32::usb_otg::Driver;
 use embassy_stm32::{bind_interrupts, peripherals, usb_otg, Config};
 use embassy_usb::class::cdc_ncm::embassy_net::{Device, Runner, State as NetState};
@@ -46,9 +46,25 @@ async fn main(spawner: Spawner) {
     info!("Hello World!");
 
     let mut config = Config::default();
-    config.rcc.pll48 = true;
-    config.rcc.sys_ck = Some(mhz(48));
-
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL168,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 168 / 2 = 168Mhz.
+            divq: Some(Pllq::DIV7), // 8mhz / 4 * 168 / 7 = 48Mhz.
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
 
     // Create the driver, from the HAL.
diff --git a/examples/stm32f4/src/bin/usb_serial.rs b/examples/stm32f4/src/bin/usb_serial.rs
index 4ff6452ef..004ff038d 100644
--- a/examples/stm32f4/src/bin/usb_serial.rs
+++ b/examples/stm32f4/src/bin/usb_serial.rs
@@ -4,7 +4,7 @@
 
 use defmt::{panic, *};
 use embassy_executor::Spawner;
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::Hertz;
 use embassy_stm32::usb_otg::{Driver, Instance};
 use embassy_stm32::{bind_interrupts, peripherals, usb_otg, Config};
 use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
@@ -22,9 +22,25 @@ async fn main(_spawner: Spawner) {
     info!("Hello World!");
 
     let mut config = Config::default();
-    config.rcc.pll48 = true;
-    config.rcc.sys_ck = Some(mhz(48));
-
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL168,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 168 / 2 = 168Mhz.
+            divq: Some(Pllq::DIV7), // 8mhz / 4 * 168 / 7 = 48Mhz.
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
 
     // Create the driver, from the HAL.
diff --git a/examples/stm32f4/src/bin/wdt.rs b/examples/stm32f4/src/bin/wdt.rs
index e5d122af7..0443b61c5 100644
--- a/examples/stm32f4/src/bin/wdt.rs
+++ b/examples/stm32f4/src/bin/wdt.rs
@@ -6,7 +6,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::wdg::IndependentWatchdog;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -24,11 +24,11 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         // Pet watchdog for 5 iterations and then stop.
         // MCU should restart in 1 second after the last pet.
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index bf8f413d8..5cbaca461 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -9,9 +9,9 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32f767zi", "memory-x", "unstable-pac", "time-driver-any", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
-embassy-net = { path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet"] }
-embedded-io-async = { version = "0.5.0" }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet"] }
+embedded-io-async = { version = "0.6.0" }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 
 defmt = "0.3"
diff --git a/examples/stm32f7/src/bin/adc.rs b/examples/stm32f7/src/bin/adc.rs
index bc4ed2892..48c59eaf0 100644
--- a/examples/stm32f7/src/bin/adc.rs
+++ b/examples/stm32f7/src/bin/adc.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::adc::Adc;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -29,6 +29,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let v = adc.read(&mut pin);
         info!("--> {} - {} mV", v, convert_to_millivolts(v));
-        Timer::after(Duration::from_millis(100)).await;
+        Timer::after_millis(100).await;
     }
 }
diff --git a/examples/stm32f7/src/bin/blinky.rs b/examples/stm32f7/src/bin/blinky.rs
index b27bee4ce..4bfc5a50d 100644
--- a/examples/stm32f7/src/bin/blinky.rs
+++ b/examples/stm32f7/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32f7/src/bin/can.rs b/examples/stm32f7/src/bin/can.rs
index e9650f23a..78b21ceaa 100644
--- a/examples/stm32f7/src/bin/can.rs
+++ b/examples/stm32f7/src/bin/can.rs
@@ -26,7 +26,7 @@ pub async fn send_can_message(tx: &'static mut CanTx<'static, 'static, CAN3>) {
     loop {
         let frame = Frame::new_data(unwrap!(StandardId::new(0 as _)), [0]);
         tx.write(&frame).await;
-        embassy_time::Timer::after(embassy_time::Duration::from_secs(1)).await;
+        embassy_time::Timer::after_secs(1).await;
     }
 }
 
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 93c97c8ee..7c6c419a6 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -10,9 +10,9 @@ use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
 use embassy_stm32::rng::Rng;
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::Hertz;
 use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::Write;
 use rand_core::RngCore;
 use static_cell::make_static;
@@ -33,7 +33,25 @@ async fn net_task(stack: &'static Stack<Device>) -> ! {
 #[embassy_executor::main]
 async fn main(spawner: Spawner) -> ! {
     let mut config = Config::default();
-    config.rcc.sys_ck = Some(mhz(200));
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL216,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 216 / 2 = 216Mhz
+            divq: None,
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
@@ -59,9 +77,8 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(),
+        GenericSMI::new(0),
         mac_addr,
-        0,
     );
 
     let config = embassy_net::Config::dhcpv4(Default::default());
@@ -101,7 +118,7 @@ async fn main(spawner: Spawner) -> ! {
         let r = socket.connect(remote_endpoint).await;
         if let Err(e) = r {
             info!("connect error: {:?}", e);
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
             continue;
         }
         info!("connected!");
@@ -112,7 +129,7 @@ async fn main(spawner: Spawner) -> ! {
                 info!("write error: {:?}", e);
                 break;
             }
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }
diff --git a/examples/stm32f7/src/bin/flash.rs b/examples/stm32f7/src/bin/flash.rs
index 35d3059be..06a94f1c8 100644
--- a/examples/stm32f7/src/bin/flash.rs
+++ b/examples/stm32f7/src/bin/flash.rs
@@ -5,7 +5,7 @@
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_stm32::flash::Flash;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -16,7 +16,7 @@ async fn main(_spawner: Spawner) {
     const ADDR: u32 = 0x8_0000; // This is the offset into the third region, the absolute address is 4x32K + 128K + 0x8_0000.
 
     // wait a bit before accessing the flash
-    Timer::after(Duration::from_millis(300)).await;
+    Timer::after_millis(300).await;
 
     let mut f = Flash::new_blocking(p.FLASH).into_blocking_regions().bank1_region3;
 
diff --git a/examples/stm32f7/src/bin/hello.rs b/examples/stm32f7/src/bin/hello.rs
index c409703f5..a2a287110 100644
--- a/examples/stm32f7/src/bin/hello.rs
+++ b/examples/stm32f7/src/bin/hello.rs
@@ -4,19 +4,17 @@
 
 use defmt::info;
 use embassy_executor::Spawner;
-use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) -> ! {
-    let mut config = Config::default();
-    config.rcc.sys_ck = Some(Hertz(84_000_000));
+    let config = Config::default();
     let _p = embassy_stm32::init(config);
 
     loop {
         info!("Hello World!");
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }
diff --git a/examples/stm32f7/src/bin/sdmmc.rs b/examples/stm32f7/src/bin/sdmmc.rs
index 9d43892a0..430aa781f 100644
--- a/examples/stm32f7/src/bin/sdmmc.rs
+++ b/examples/stm32f7/src/bin/sdmmc.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::sdmmc::Sdmmc;
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::{mhz, Hertz};
 use embassy_stm32::{bind_interrupts, peripherals, sdmmc, Config};
 use {defmt_rtt as _, panic_probe as _};
 
@@ -16,8 +16,25 @@ bind_interrupts!(struct Irqs {
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-    config.rcc.sys_ck = Some(mhz(200));
-    config.rcc.pll48 = true;
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL216,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 216 / 2 = 216Mhz
+            divq: Some(Pllq::DIV9), // 8mhz / 4 * 216 / 9 = 48Mhz
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
diff --git a/examples/stm32f7/src/bin/usb_serial.rs b/examples/stm32f7/src/bin/usb_serial.rs
index a2c76178b..2f832c234 100644
--- a/examples/stm32f7/src/bin/usb_serial.rs
+++ b/examples/stm32f7/src/bin/usb_serial.rs
@@ -4,7 +4,7 @@
 
 use defmt::{panic, *};
 use embassy_executor::Spawner;
-use embassy_stm32::time::mhz;
+use embassy_stm32::time::Hertz;
 use embassy_stm32::usb_otg::{Driver, Instance};
 use embassy_stm32::{bind_interrupts, peripherals, usb_otg, Config};
 use embassy_usb::class::cdc_acm::{CdcAcmClass, State};
@@ -22,10 +22,25 @@ async fn main(_spawner: Spawner) {
     info!("Hello World!");
 
     let mut config = Config::default();
-    config.rcc.hse = Some(mhz(8));
-    config.rcc.pll48 = true;
-    config.rcc.sys_ck = Some(mhz(200));
-
+    {
+        use embassy_stm32::rcc::*;
+        config.rcc.hse = Some(Hse {
+            freq: Hertz(8_000_000),
+            mode: HseMode::Bypass,
+        });
+        config.rcc.pll_src = PllSource::HSE;
+        config.rcc.pll = Some(Pll {
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL216,
+            divp: Some(Pllp::DIV2), // 8mhz / 4 * 216 / 2 = 216Mhz
+            divq: Some(Pllq::DIV9), // 8mhz / 4 * 216 / 9 = 48Mhz
+            divr: None,
+        });
+        config.rcc.ahb_pre = AHBPrescaler::DIV1;
+        config.rcc.apb1_pre = APBPrescaler::DIV4;
+        config.rcc.apb2_pre = APBPrescaler::DIV2;
+        config.rcc.sys = Sysclk::PLL1_P;
+    }
     let p = embassy_stm32::init(config);
 
     // Create the driver, from the HAL.
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index b4b423d58..d0b7d85f8 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32g071rb", "memory-x", "unstable-pac", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32g0/src/bin/blinky.rs b/examples/stm32g0/src/bin/blinky.rs
index b27bee4ce..4bfc5a50d 100644
--- a/examples/stm32g0/src/bin/blinky.rs
+++ b/examples/stm32g0/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32g0/src/bin/spi_neopixel.rs b/examples/stm32g0/src/bin/spi_neopixel.rs
index ee7aaf33f..214462d0e 100644
--- a/examples/stm32g0/src/bin/spi_neopixel.rs
+++ b/examples/stm32g0/src/bin/spi_neopixel.rs
@@ -8,7 +8,7 @@ use embassy_stm32::dma::word::U5;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::spi::{Config, Spi};
 use embassy_stm32::time::Hertz;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 const NR_PIXELS: usize = 15;
@@ -96,8 +96,8 @@ async fn main(_spawner: Spawner) {
             cnt += 1;
             // start sending the neopixel bit patters over spi to the neopixel string
             spi.write(&neopixels.bitbuffer).await.ok();
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
         }
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }
diff --git a/examples/stm32g4/Cargo.toml b/examples/stm32g4/Cargo.toml
index 59da06283..908c6d19d 100644
--- a/examples/stm32g4/Cargo.toml
+++ b/examples/stm32g4/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "time-driver-any", "stm32g491re", "memory-x", "unstable-pac", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 usbd-hid = "0.6.0"
diff --git a/examples/stm32g4/src/bin/adc.rs b/examples/stm32g4/src/bin/adc.rs
index a792748bc..db7f6ecb5 100644
--- a/examples/stm32g4/src/bin/adc.rs
+++ b/examples/stm32g4/src/bin/adc.rs
@@ -7,7 +7,7 @@ use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, SampleTime};
 use embassy_stm32::rcc::{AdcClockSource, ClockSrc, Pll, PllM, PllN, PllR, PllSrc};
 use embassy_stm32::Config;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -16,15 +16,15 @@ async fn main(_spawner: Spawner) {
 
     config.rcc.pll = Some(Pll {
         source: PllSrc::HSI16,
-        prediv_m: PllM::Div4,
-        mul_n: PllN::Mul85,
+        prediv_m: PllM::DIV4,
+        mul_n: PllN::MUL85,
         div_p: None,
         div_q: None,
         // Main system clock at 170 MHz
-        div_r: Some(PllR::Div2),
+        div_r: Some(PllR::DIV2),
     });
 
-    config.rcc.adc12_clock_source = AdcClockSource::SysClk;
+    config.rcc.adc12_clock_source = AdcClockSource::SYS;
     config.rcc.mux = ClockSrc::PLL;
 
     let mut p = embassy_stm32::init(config);
@@ -36,6 +36,6 @@ async fn main(_spawner: Spawner) {
     loop {
         let measured = adc.read(&mut p.PA7);
         info!("measured: {}", measured);
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32g4/src/bin/blinky.rs b/examples/stm32g4/src/bin/blinky.rs
index 8a65b0692..cbeb0dee1 100644
--- a/examples/stm32g4/src/bin/blinky.rs
+++ b/examples/stm32g4/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32g4/src/bin/pll.rs b/examples/stm32g4/src/bin/pll.rs
index ef7d4800c..43242647f 100644
--- a/examples/stm32g4/src/bin/pll.rs
+++ b/examples/stm32g4/src/bin/pll.rs
@@ -6,7 +6,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::rcc::{ClockSrc, Pll, PllM, PllN, PllR, PllSrc};
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -15,12 +15,12 @@ async fn main(_spawner: Spawner) {
 
     config.rcc.pll = Some(Pll {
         source: PllSrc::HSI16,
-        prediv_m: PllM::Div4,
-        mul_n: PllN::Mul85,
+        prediv_m: PllM::DIV4,
+        mul_n: PllN::MUL85,
         div_p: None,
         div_q: None,
         // Main system clock at 170 MHz
-        div_r: Some(PllR::Div2),
+        div_r: Some(PllR::DIV2),
     });
 
     config.rcc.mux = ClockSrc::PLL;
@@ -29,7 +29,7 @@ async fn main(_spawner: Spawner) {
     info!("Hello World!");
 
     loop {
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
         info!("1s elapsed");
     }
 }
diff --git a/examples/stm32g4/src/bin/pwm.rs b/examples/stm32g4/src/bin/pwm.rs
index c62b11d13..a84394005 100644
--- a/examples/stm32g4/src/bin/pwm.rs
+++ b/examples/stm32g4/src/bin/pwm.rs
@@ -8,7 +8,7 @@ use embassy_stm32::gpio::OutputType;
 use embassy_stm32::time::khz;
 use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm};
 use embassy_stm32::timer::Channel;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -26,12 +26,12 @@ async fn main(_spawner: Spawner) {
 
     loop {
         pwm.set_duty(Channel::Ch1, 0);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 4);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 2);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max - 1);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32g4/src/bin/usb_serial.rs b/examples/stm32g4/src/bin/usb_serial.rs
index 77cfa67d3..9099b609a 100644
--- a/examples/stm32g4/src/bin/usb_serial.rs
+++ b/examples/stm32g4/src/bin/usb_serial.rs
@@ -25,16 +25,16 @@ async fn main(_spawner: Spawner) {
     // Change this to `false` to use the HSE clock source for the USB. This example assumes an 8MHz HSE.
     const USE_HSI48: bool = true;
 
-    let pllq_div = if USE_HSI48 { None } else { Some(PllQ::Div6) };
+    let pllq_div = if USE_HSI48 { None } else { Some(PllQ::DIV6) };
 
     config.rcc.pll = Some(Pll {
         source: PllSrc::HSE(Hertz(8_000_000)),
-        prediv_m: PllM::Div2,
-        mul_n: PllN::Mul72,
+        prediv_m: PllM::DIV2,
+        mul_n: PllN::MUL72,
         div_p: None,
         div_q: pllq_div,
         // Main system clock at 144 MHz
-        div_r: Some(PllR::Div2),
+        div_r: Some(PllR::DIV2),
     });
 
     config.rcc.mux = ClockSrc::PLL;
diff --git a/examples/stm32h5/Cargo.toml b/examples/stm32h5/Cargo.toml
index 42a426185..f5980d87a 100644
--- a/examples/stm32h5/Cargo.toml
+++ b/examples/stm32h5/Cargo.toml
@@ -9,9 +9,9 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32h563zi", "memory-x", "time-driver-any", "exti", "unstable-pac", "unstable-traits"] }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
-embassy-net = { path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet", "proto-ipv6"] }
-embedded-io-async = { version = "0.5.0" }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet", "proto-ipv6"] }
+embedded-io-async = { version = "0.6.0" }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 
 defmt = "0.3"
@@ -22,7 +22,7 @@ cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-rc.1" }
 embedded-hal-async = { version = "=1.0.0-rc.1" }
-embedded-nal-async = { version = "0.5.0" }
+embedded-nal-async = { version = "0.6.0" }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 heapless = { version = "0.7.5", default-features = false }
diff --git a/examples/stm32h5/src/bin/blinky.rs b/examples/stm32h5/src/bin/blinky.rs
index f9bf90d2e..1394f03fa 100644
--- a/examples/stm32h5/src/bin/blinky.rs
+++ b/examples/stm32h5/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32h5/src/bin/eth.rs b/examples/stm32h5/src/bin/eth.rs
index 4e92d0647..6e40f0ac0 100644
--- a/examples/stm32h5/src/bin/eth.rs
+++ b/examples/stm32h5/src/bin/eth.rs
@@ -9,11 +9,13 @@ use embassy_net::{Ipv4Address, Stack, StackResources};
 use embassy_stm32::eth::generic_smi::GenericSMI;
 use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
-use embassy_stm32::rcc::{AHBPrescaler, APBPrescaler, Hse, HseMode, Pll, PllSource, Sysclk, VoltageScale};
+use embassy_stm32::rcc::{
+    AHBPrescaler, APBPrescaler, Hse, HseMode, Pll, PllDiv, PllMul, PllPreDiv, PllSource, Sysclk, VoltageScale,
+};
 use embassy_stm32::rng::Rng;
 use embassy_stm32::time::Hertz;
 use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::Write;
 use rand_core::RngCore;
 use static_cell::make_static;
@@ -42,10 +44,10 @@ async fn main(spawner: Spawner) -> ! {
     });
     config.rcc.pll1 = Some(Pll {
         source: PllSource::Hse,
-        prediv: 2,
-        mul: 125,
-        divp: Some(2),
-        divq: Some(2),
+        prediv: PllPreDiv::DIV2,
+        mul: PllMul::MUL125,
+        divp: Some(PllDiv::DIV2),
+        divq: Some(PllDiv::DIV2),
         divr: None,
     });
     config.rcc.ahb_pre = AHBPrescaler::DIV1;
@@ -78,9 +80,8 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB15,
         p.PG11,
-        GenericSMI::new(),
+        GenericSMI::new(0),
         mac_addr,
-        0,
     );
 
     let config = embassy_net::Config::dhcpv4(Default::default());
@@ -120,7 +121,7 @@ async fn main(spawner: Spawner) -> ! {
         let r = socket.connect(remote_endpoint).await;
         if let Err(e) = r {
             info!("connect error: {:?}", e);
-            Timer::after(Duration::from_secs(3)).await;
+            Timer::after_secs(3).await;
             continue;
         }
         info!("connected!");
@@ -130,7 +131,7 @@ async fn main(spawner: Spawner) -> ! {
                 info!("write error: {:?}", e);
                 break;
             }
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }
diff --git a/examples/stm32h5/src/bin/i2c.rs b/examples/stm32h5/src/bin/i2c.rs
index 8b6fe71ae..8b1662f39 100644
--- a/examples/stm32h5/src/bin/i2c.rs
+++ b/examples/stm32h5/src/bin/i2c.rs
@@ -4,10 +4,9 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::i2c::{Error, I2c, TimeoutI2c};
+use embassy_stm32::i2c::{Error, I2c};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::{bind_interrupts, i2c, peripherals};
-use embassy_time::Duration;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDRESS: u8 = 0x5F;
@@ -33,13 +32,9 @@ async fn main(_spawner: Spawner) {
         Default::default(),
     );
 
-    // I2C bus can freeze if SCL line is shorted or due to a broken device that clock stretches for too long.
-    // TimeoutI2c allows recovering from such errors by throwing `Error::Timeout` after a given delay.
-    let mut timeout_i2c = TimeoutI2c::new(&mut i2c, Duration::from_millis(1000));
-
     let mut data = [0u8; 1];
 
-    match timeout_i2c.blocking_write_read(ADDRESS, &[WHOAMI], &mut data) {
+    match i2c.blocking_write_read(ADDRESS, &[WHOAMI], &mut data) {
         Ok(()) => info!("Whoami: {}", data[0]),
         Err(Error::Timeout) => error!("Operation timed out"),
         Err(e) => error!("I2c Error: {:?}", e),
diff --git a/examples/stm32h5/src/bin/usb_serial.rs b/examples/stm32h5/src/bin/usb_serial.rs
index cbe540a06..3b3c38e17 100644
--- a/examples/stm32h5/src/bin/usb_serial.rs
+++ b/examples/stm32h5/src/bin/usb_serial.rs
@@ -4,7 +4,9 @@
 
 use defmt::{panic, *};
 use embassy_executor::Spawner;
-use embassy_stm32::rcc::{AHBPrescaler, APBPrescaler, Hse, HseMode, Pll, PllSource, Sysclk, VoltageScale};
+use embassy_stm32::rcc::{
+    AHBPrescaler, APBPrescaler, Hse, HseMode, Pll, PllDiv, PllMul, PllPreDiv, PllSource, Sysclk, VoltageScale,
+};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::usb::{Driver, Instance};
 use embassy_stm32::{bind_interrupts, pac, peripherals, usb, Config};
@@ -29,9 +31,9 @@ async fn main(_spawner: Spawner) {
     });
     config.rcc.pll1 = Some(Pll {
         source: PllSource::Hse,
-        prediv: 2,
-        mul: 125,
-        divp: Some(2), // 250mhz
+        prediv: PllPreDiv::DIV2,
+        mul: PllMul::MUL125,
+        divp: Some(PllDiv::DIV2), // 250mhz
         divq: None,
         divr: None,
     });
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index c1d49963c..0855bdfc7 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -6,12 +6,12 @@ license = "MIT OR Apache-2.0"
 
 [dependencies]
 # Change stm32h743bi to your chip name, if necessary.
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32h743bi", "time-driver-any", "exti", "memory-x", "unstable-pac", "unstable-traits"] }
+embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32h743bi", "time-driver-any", "exti", "memory-x", "unstable-pac", "unstable-traits", "chrono"] }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
-embassy-net = { path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet", "proto-ipv6"] }
-embedded-io-async = { version = "0.5.0" }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet", "proto-ipv6"] }
+embedded-io-async = { version = "0.6.0" }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 
 defmt = "0.3"
@@ -22,7 +22,7 @@ cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 embedded-hal-1 = { package = "embedded-hal", version = "=1.0.0-rc.1" }
 embedded-hal-async = { version = "=1.0.0-rc.1" }
-embedded-nal-async = { version = "0.5.0" }
+embedded-nal-async = { version = "0.6.0" }
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 heapless = { version = "0.7.5", default-features = false }
@@ -32,6 +32,7 @@ micromath = "2.0.0"
 stm32-fmc = "0.3.0"
 embedded-storage = "0.3.0"
 static_cell = { version = "1.1", features = ["nightly"]}
+chrono = { version = "^0.4", default-features = false }
 
 # cargo build/run
 [profile.dev]
diff --git a/examples/stm32h7/src/bin/adc.rs b/examples/stm32h7/src/bin/adc.rs
index 77922d4bc..4a358a35f 100644
--- a/examples/stm32h7/src/bin/adc.rs
+++ b/examples/stm32h7/src/bin/adc.rs
@@ -6,7 +6,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::adc::{Adc, SampleTime};
 use embassy_stm32::Config;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,16 +18,16 @@ async fn main(_spawner: Spawner) {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(8), // SPI1 cksel defaults to pll1_q
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // SPI1 cksel defaults to pll1_q
             divr: None,
         });
         config.rcc.pll2 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(8), // 100mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV8), // 100mhz
             divq: None,
             divr: None,
         });
@@ -55,6 +55,6 @@ async fn main(_spawner: Spawner) {
         info!("vrefint: {}", vrefint);
         let measured = adc.read(&mut p.PC0);
         info!("measured: {}", measured);
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32h7/src/bin/blinky.rs b/examples/stm32h7/src/bin/blinky.rs
index 12f08c0fd..a9cab1ff4 100644
--- a/examples/stm32h7/src/bin/blinky.rs
+++ b/examples/stm32h7/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32h7/src/bin/camera.rs b/examples/stm32h7/src/bin/camera.rs
index de8ddc292..8195430b2 100644
--- a/examples/stm32h7/src/bin/camera.rs
+++ b/examples/stm32h7/src/bin/camera.rs
@@ -6,10 +6,10 @@ use embassy_executor::Spawner;
 use embassy_stm32::dcmi::{self, *};
 use embassy_stm32::gpio::{Level, Output, Speed};
 use embassy_stm32::i2c::I2c;
-use embassy_stm32::rcc::{Mco, Mco1Source};
+use embassy_stm32::rcc::{Mco, Mco1Source, McoPrescaler};
 use embassy_stm32::time::khz;
 use embassy_stm32::{bind_interrupts, i2c, peripherals, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use ov7725::*;
 use {defmt_rtt as _, panic_probe as _};
 
@@ -32,10 +32,10 @@ async fn main(_spawner: Spawner) {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(8), // 100mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // 100mhz
             divr: None,
         });
         config.rcc.sys = Sysclk::Pll1P; // 400 Mhz
@@ -49,7 +49,7 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(config);
 
     defmt::info!("Hello World!");
-    let mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, 3);
+    let mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, McoPrescaler::DIV3);
 
     let mut led = Output::new(p.PE3, Level::High, Speed::Low);
     let cam_i2c = I2c::new(
@@ -86,11 +86,11 @@ async fn main(_spawner: Spawner) {
     loop {
         defmt::info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         defmt::info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
 
@@ -99,7 +99,7 @@ mod ov7725 {
 
     use defmt::Format;
     use embassy_stm32::rcc::{Mco, McoInstance};
-    use embassy_time::{Duration, Timer};
+    use embassy_time::Timer;
     use embedded_hal_async::i2c::I2c;
 
     #[repr(u8)]
@@ -184,7 +184,7 @@ mod ov7725 {
 
     const CAM_ADDR: u8 = 0x21;
 
-    #[derive(Format)]
+    #[derive(Format, PartialEq, Eq)]
     pub enum Error<I2cError: Format> {
         I2c(I2cError),
     }
@@ -210,9 +210,9 @@ mod ov7725 {
         }
 
         pub async fn init(&mut self) -> Result<(), Error<Bus::Error>> {
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
             self.reset_regs().await?;
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
             self.set_pixformat().await?;
             self.set_resolution().await?;
             Ok(())
diff --git a/examples/stm32h7/src/bin/dac.rs b/examples/stm32h7/src/bin/dac.rs
index 93df7a319..821221897 100644
--- a/examples/stm32h7/src/bin/dac.rs
+++ b/examples/stm32h7/src/bin/dac.rs
@@ -20,16 +20,16 @@ fn main() -> ! {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(8), // SPI1 cksel defaults to pll1_q
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // 100mhz
             divr: None,
         });
         config.rcc.pll2 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(8), // 100mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV8), // 100mhz
             divq: None,
             divr: None,
         });
diff --git a/examples/stm32h7/src/bin/dac_dma.rs b/examples/stm32h7/src/bin/dac_dma.rs
index 8c921abca..334986a05 100644
--- a/examples/stm32h7/src/bin/dac_dma.rs
+++ b/examples/stm32h7/src/bin/dac_dma.rs
@@ -28,16 +28,16 @@ async fn main(spawner: Spawner) {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(8), // SPI1 cksel defaults to pll1_q
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // 100mhz
             divr: None,
         });
         config.rcc.pll2 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(8), // 100mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV8), // 100mhz
             divq: None,
             divr: None,
         });
@@ -79,7 +79,7 @@ async fn dac_task1(mut dac: Dac1Type) {
     dac.select_trigger(embassy_stm32::dac::Ch1Trigger::Tim6).unwrap();
     dac.enable_channel().unwrap();
 
-    TIM6::enable();
+    TIM6::enable_and_reset();
     TIM6::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
     TIM6::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
     TIM6::regs().cr1().modify(|w| {
@@ -118,7 +118,7 @@ async fn dac_task2(mut dac: Dac2Type) {
         error!("Reload value {} below threshold!", reload);
     }
 
-    TIM7::enable();
+    TIM7::enable_and_reset();
     TIM7::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
     TIM7::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
     TIM7::regs().cr1().modify(|w| {
diff --git a/examples/stm32h7/src/bin/eth.rs b/examples/stm32h7/src/bin/eth.rs
index 1b5d71ed3..81d9c7347 100644
--- a/examples/stm32h7/src/bin/eth.rs
+++ b/examples/stm32h7/src/bin/eth.rs
@@ -11,7 +11,7 @@ use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::Write;
 use rand_core::RngCore;
 use static_cell::make_static;
@@ -39,9 +39,9 @@ async fn main(spawner: Spawner) -> ! {
         config.rcc.hsi48 = true; // needed for RNG
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
             divq: None,
             divr: None,
         });
@@ -77,9 +77,8 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(),
+        GenericSMI::new(0),
         mac_addr,
-        0,
     );
 
     let config = embassy_net::Config::dhcpv4(Default::default());
@@ -119,7 +118,7 @@ async fn main(spawner: Spawner) -> ! {
         let r = socket.connect(remote_endpoint).await;
         if let Err(e) = r {
             info!("connect error: {:?}", e);
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
             continue;
         }
         info!("connected!");
@@ -129,7 +128,7 @@ async fn main(spawner: Spawner) -> ! {
                 info!("write error: {:?}", e);
                 break;
             }
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }
diff --git a/examples/stm32h7/src/bin/eth_client.rs b/examples/stm32h7/src/bin/eth_client.rs
index 3abd31c73..338137069 100644
--- a/examples/stm32h7/src/bin/eth_client.rs
+++ b/examples/stm32h7/src/bin/eth_client.rs
@@ -11,7 +11,7 @@ use embassy_stm32::eth::{Ethernet, PacketQueue};
 use embassy_stm32::peripherals::ETH;
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, eth, peripherals, rng, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embedded_io_async::Write;
 use embedded_nal_async::{Ipv4Addr, SocketAddr, SocketAddrV4, TcpConnect};
 use rand_core::RngCore;
@@ -40,9 +40,9 @@ async fn main(spawner: Spawner) -> ! {
         config.rcc.hsi48 = true; // needed for RNG
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
             divq: None,
             divr: None,
         });
@@ -78,9 +78,8 @@ async fn main(spawner: Spawner) -> ! {
         p.PG13,
         p.PB13,
         p.PG11,
-        GenericSMI::new(),
+        GenericSMI::new(0),
         mac_addr,
-        0,
     );
 
     let config = embassy_net::Config::dhcpv4(Default::default());
@@ -106,8 +105,8 @@ async fn main(spawner: Spawner) -> ! {
 
     info!("Network task initialized");
 
-    static STATE: TcpClientState<1, 1024, 1024> = TcpClientState::new();
-    let client = TcpClient::new(&stack, &STATE);
+    let state: TcpClientState<1, 1024, 1024> = TcpClientState::new();
+    let client = TcpClient::new(&stack, &state);
 
     loop {
         let addr = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::new(10, 42, 0, 1), 8000));
@@ -116,7 +115,7 @@ async fn main(spawner: Spawner) -> ! {
         let r = client.connect(addr).await;
         if let Err(e) = r {
             info!("connect error: {:?}", e);
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
             continue;
         }
         let mut connection = r.unwrap();
@@ -127,7 +126,7 @@ async fn main(spawner: Spawner) -> ! {
                 info!("write error: {:?}", e);
                 break;
             }
-            Timer::after(Duration::from_secs(1)).await;
+            Timer::after_secs(1).await;
         }
     }
 }
diff --git a/examples/stm32h7/src/bin/flash.rs b/examples/stm32h7/src/bin/flash.rs
index f66df770b..89c0c8a66 100644
--- a/examples/stm32h7/src/bin/flash.rs
+++ b/examples/stm32h7/src/bin/flash.rs
@@ -5,7 +5,7 @@
 use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_stm32::flash::Flash;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -16,7 +16,7 @@ async fn main(_spawner: Spawner) {
     const ADDR: u32 = 0; // This is the offset into bank 2, the absolute address is 0x8_0000
 
     // wait a bit before accessing the flash
-    Timer::after(Duration::from_millis(300)).await;
+    Timer::after_millis(300).await;
 
     let mut f = Flash::new_blocking(p.FLASH).into_blocking_regions().bank2_region;
 
diff --git a/examples/stm32h7/src/bin/fmc.rs b/examples/stm32h7/src/bin/fmc.rs
index de0b351df..cffd47093 100644
--- a/examples/stm32h7/src/bin/fmc.rs
+++ b/examples/stm32h7/src/bin/fmc.rs
@@ -6,7 +6,7 @@ use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::fmc::Fmc;
 use embassy_stm32::Config;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(8), // 100mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // 100mhz
             divr: None,
         });
         config.rcc.sys = Sysclk::Pll1P; // 400 Mhz
@@ -212,6 +212,6 @@ async fn main(_spawner: Spawner) {
     info!("Assertions succeeded.");
 
     loop {
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }
diff --git a/examples/stm32h7/src/bin/i2c.rs b/examples/stm32h7/src/bin/i2c.rs
index c2979c59b..9aa0ca08b 100644
--- a/examples/stm32h7/src/bin/i2c.rs
+++ b/examples/stm32h7/src/bin/i2c.rs
@@ -4,10 +4,9 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::i2c::{Error, I2c, TimeoutI2c};
+use embassy_stm32::i2c::{Error, I2c};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::{bind_interrupts, i2c, peripherals};
-use embassy_time::Duration;
 use {defmt_rtt as _, panic_probe as _};
 
 const ADDRESS: u8 = 0x5F;
@@ -33,13 +32,9 @@ async fn main(_spawner: Spawner) {
         Default::default(),
     );
 
-    // I2C bus can freeze if SCL line is shorted or due to a broken device that clock stretches for too long.
-    // TimeoutI2c allows recovering from such errors by throwing `Error::Timeout` after a given delay.
-    let mut timeout_i2c = TimeoutI2c::new(&mut i2c, Duration::from_millis(1000));
-
     let mut data = [0u8; 1];
 
-    match timeout_i2c.blocking_write_read(ADDRESS, &[WHOAMI], &mut data) {
+    match i2c.blocking_write_read(ADDRESS, &[WHOAMI], &mut data) {
         Ok(()) => info!("Whoami: {}", data[0]),
         Err(Error::Timeout) => error!("Operation timed out"),
         Err(e) => error!("I2c Error: {:?}", e),
diff --git a/examples/stm32h7/src/bin/low_level_timer_api.rs b/examples/stm32h7/src/bin/low_level_timer_api.rs
index a1e955c39..0355ac073 100644
--- a/examples/stm32h7/src/bin/low_level_timer_api.rs
+++ b/examples/stm32h7/src/bin/low_level_timer_api.rs
@@ -9,7 +9,7 @@ use embassy_stm32::gpio::Speed;
 use embassy_stm32::time::{khz, Hertz};
 use embassy_stm32::timer::*;
 use embassy_stm32::{into_ref, Config, Peripheral, PeripheralRef};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -22,10 +22,10 @@ async fn main(_spawner: Spawner) {
         config.rcc.hsi48 = true; // needed for RNG
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(8), // 100 Mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // 100mhz
             divr: None,
         });
         config.rcc.sys = Sysclk::Pll1P; // 400 Mhz
@@ -49,13 +49,13 @@ async fn main(_spawner: Spawner) {
 
     loop {
         pwm.set_duty(Channel::Ch1, 0);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 4);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 2);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max - 1);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
 pub struct SimplePwm32<'d, T: CaptureCompare32bitInstance> {
@@ -73,8 +73,7 @@ impl<'d, T: CaptureCompare32bitInstance> SimplePwm32<'d, T> {
     ) -> Self {
         into_ref!(tim, ch1, ch2, ch3, ch4);
 
-        T::enable();
-        <T as embassy_stm32::rcc::low_level::RccPeripheral>::reset();
+        T::enable_and_reset();
 
         ch1.set_speed(Speed::VeryHigh);
         ch1.set_as_af(ch1.af_num(), AFType::OutputPushPull);
diff --git a/examples/stm32h7/src/bin/mco.rs b/examples/stm32h7/src/bin/mco.rs
index 9d6d805ae..c023f4584 100644
--- a/examples/stm32h7/src/bin/mco.rs
+++ b/examples/stm32h7/src/bin/mco.rs
@@ -5,8 +5,8 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::rcc::{Mco, Mco1Source};
-use embassy_time::{Duration, Timer};
+use embassy_stm32::rcc::{Mco, Mco1Source, McoPrescaler};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -16,15 +16,15 @@ async fn main(_spawner: Spawner) {
 
     let mut led = Output::new(p.PB14, Level::High, Speed::Low);
 
-    let _mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, 8);
+    let _mco = Mco::new(p.MCO1, p.PA8, Mco1Source::HSI, McoPrescaler::DIV8);
 
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32h7/src/bin/pwm.rs b/examples/stm32h7/src/bin/pwm.rs
index 84e7df267..973a10cdd 100644
--- a/examples/stm32h7/src/bin/pwm.rs
+++ b/examples/stm32h7/src/bin/pwm.rs
@@ -9,7 +9,7 @@ use embassy_stm32::time::khz;
 use embassy_stm32::timer::simple_pwm::{PwmPin, SimplePwm};
 use embassy_stm32::timer::Channel;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -21,9 +21,9 @@ async fn main(_spawner: Spawner) {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
             divq: None,
             divr: None,
         });
@@ -48,12 +48,12 @@ async fn main(_spawner: Spawner) {
 
     loop {
         pwm.set_duty(Channel::Ch1, 0);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 4);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max / 2);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         pwm.set_duty(Channel::Ch1, max - 1);
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32h7/src/bin/rtc.rs b/examples/stm32h7/src/bin/rtc.rs
new file mode 100644
index 000000000..78cea9c89
--- /dev/null
+++ b/examples/stm32h7/src/bin/rtc.rs
@@ -0,0 +1,37 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use chrono::{NaiveDate, NaiveDateTime};
+use defmt::*;
+use embassy_executor::Spawner;
+use embassy_stm32::rcc::LsConfig;
+use embassy_stm32::rtc::{Rtc, RtcConfig};
+use embassy_stm32::Config;
+use embassy_time::Timer;
+use {defmt_rtt as _, panic_probe as _};
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let mut config = Config::default();
+    config.rcc.ls = LsConfig::default_lse();
+
+    let p = embassy_stm32::init(config);
+    info!("Hello World!");
+
+    let now = NaiveDate::from_ymd_opt(2020, 5, 15)
+        .unwrap()
+        .and_hms_opt(10, 30, 15)
+        .unwrap();
+
+    let mut rtc = Rtc::new(p.RTC, RtcConfig::default());
+    info!("Got RTC! {:?}", now.timestamp());
+
+    rtc.set_datetime(now.into()).expect("datetime not set");
+
+    // In reality the delay would be much longer
+    Timer::after_millis(20000).await;
+
+    let then: NaiveDateTime = rtc.now().unwrap().into();
+    info!("Got RTC! {:?}", then.timestamp());
+}
diff --git a/examples/stm32h7/src/bin/sdmmc.rs b/examples/stm32h7/src/bin/sdmmc.rs
index 752aefdf7..ecb8d6542 100644
--- a/examples/stm32h7/src/bin/sdmmc.rs
+++ b/examples/stm32h7/src/bin/sdmmc.rs
@@ -22,10 +22,10 @@ async fn main(_spawner: Spawner) -> ! {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(4), // default clock chosen by SDMMCSEL. 200 Mhz
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV4), // default clock chosen by SDMMCSEL. 200 Mhz
             divr: None,
         });
         config.rcc.sys = Sysclk::Pll1P; // 400 Mhz
diff --git a/examples/stm32h7/src/bin/signal.rs b/examples/stm32h7/src/bin/signal.rs
index 6d7c168d5..b5f583289 100644
--- a/examples/stm32h7/src/bin/signal.rs
+++ b/examples/stm32h7/src/bin/signal.rs
@@ -6,7 +6,7 @@ use defmt::{info, unwrap};
 use embassy_executor::Spawner;
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::signal::Signal;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 static SIGNAL: Signal<CriticalSectionRawMutex, u32> = Signal::new();
@@ -16,7 +16,7 @@ async fn my_sending_task() {
     let mut counter: u32 = 0;
 
     loop {
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
 
         SIGNAL.signal(counter);
 
diff --git a/examples/stm32h7/src/bin/spi.rs b/examples/stm32h7/src/bin/spi.rs
index 9fe46f031..f128d4a56 100644
--- a/examples/stm32h7/src/bin/spi.rs
+++ b/examples/stm32h7/src/bin/spi.rs
@@ -44,10 +44,10 @@ fn main() -> ! {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(4), // used by SPI3. 100Mhz.
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // used by SPI3. 100Mhz.
             divr: None,
         });
         config.rcc.sys = Sysclk::Pll1P; // 400 Mhz
diff --git a/examples/stm32h7/src/bin/spi_dma.rs b/examples/stm32h7/src/bin/spi_dma.rs
index 88d65d5be..d4c0bcdbd 100644
--- a/examples/stm32h7/src/bin/spi_dma.rs
+++ b/examples/stm32h7/src/bin/spi_dma.rs
@@ -40,10 +40,10 @@ fn main() -> ! {
         config.rcc.csi = true;
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
-            divq: Some(4), // used by SPI3. 100Mhz.
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
+            divq: Some(PllDiv::DIV8), // used by SPI3. 100Mhz.
             divr: None,
         });
         config.rcc.sys = Sysclk::Pll1P; // 400 Mhz
diff --git a/examples/stm32h7/src/bin/usb_serial.rs b/examples/stm32h7/src/bin/usb_serial.rs
index 14de43568..c1e5144be 100644
--- a/examples/stm32h7/src/bin/usb_serial.rs
+++ b/examples/stm32h7/src/bin/usb_serial.rs
@@ -28,9 +28,9 @@ async fn main(_spawner: Spawner) {
         config.rcc.hsi48 = true; // needed for USB
         config.rcc.pll_src = PllSource::Hsi;
         config.rcc.pll1 = Some(Pll {
-            prediv: 4,
-            mul: 50,
-            divp: Some(2),
+            prediv: PllPreDiv::DIV4,
+            mul: PllMul::MUL50,
+            divp: Some(PllDiv::DIV2),
             divq: None,
             divr: None,
         });
diff --git a/examples/stm32h7/src/bin/wdg.rs b/examples/stm32h7/src/bin/wdg.rs
index 9181dfd67..76fd9dfc0 100644
--- a/examples/stm32h7/src/bin/wdg.rs
+++ b/examples/stm32h7/src/bin/wdg.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::wdg::IndependentWatchdog;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,7 +18,7 @@ async fn main(_spawner: Spawner) {
     wdg.unleash();
 
     loop {
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
         wdg.pet();
     }
 }
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index 502ebfc8d..03b6d600b 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -14,7 +14,7 @@ nightly = ["embassy-stm32/nightly", "embassy-time/nightly", "embassy-time/unstab
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "unstable-traits", "memory-x"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["time", "defmt"], optional = true }
 lora-phy = { version = "2", optional = true }
 lorawan-device = { version = "0.11.0", default-features = false, features = ["async", "external-lora-phy"], optional = true }
@@ -24,8 +24,8 @@ defmt = "0.3"
 defmt-rtt = "0.4"
 
 embedded-storage = "0.3.0"
-embedded-io = { version = "0.5.0" }
-embedded-io-async = { version = "0.5.0", optional = true }
+embedded-io = { version = "0.6.0" }
+embedded-io-async = { version = "0.6.0", optional = true }
 
 cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
diff --git a/examples/stm32l0/src/bin/blinky.rs b/examples/stm32l0/src/bin/blinky.rs
index 07fad07c6..ea40bfc48 100644
--- a/examples/stm32l0/src/bin/blinky.rs
+++ b/examples/stm32l0/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32l0/src/bin/lora_cad.rs b/examples/stm32l0/src/bin/lora_cad.rs
index 900848fd8..987cdba01 100644
--- a/examples/stm32l0/src/bin/lora_cad.rs
+++ b/examples/stm32l0/src/bin/lora_cad.rs
@@ -12,7 +12,7 @@ use embassy_stm32::exti::{Channel, ExtiInput};
 use embassy_stm32::gpio::{Input, Level, Output, Pin, Pull, Speed};
 use embassy_stm32::spi;
 use embassy_stm32::time::khz;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1276_7_8_9::SX1276_7_8_9;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.PB6, Level::Low, Speed::Low);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mdltn_params = {
@@ -89,7 +89,7 @@ async fn main(_spawner: Spawner) {
                 info!("cad successful without activity detected")
             }
             debug_indicator.set_high();
-            Timer::after(Duration::from_secs(5)).await;
+            Timer::after_secs(5).await;
             debug_indicator.set_low();
         }
         Err(err) => info!("cad unsuccessful = {}", err),
diff --git a/examples/stm32l0/src/bin/lora_p2p_receive.rs b/examples/stm32l0/src/bin/lora_p2p_receive.rs
index edd14bb81..06e2744a4 100644
--- a/examples/stm32l0/src/bin/lora_p2p_receive.rs
+++ b/examples/stm32l0/src/bin/lora_p2p_receive.rs
@@ -12,7 +12,7 @@ use embassy_stm32::exti::{Channel, ExtiInput};
 use embassy_stm32::gpio::{Input, Level, Output, Pin, Pull, Speed};
 use embassy_stm32::spi;
 use embassy_stm32::time::khz;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1276_7_8_9::SX1276_7_8_9;
 use lora_phy::LoRa;
@@ -55,7 +55,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.PB6, Level::Low, Speed::Low);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mut receiving_buffer = [00u8; 100];
@@ -107,7 +107,7 @@ async fn main(_spawner: Spawner) {
                 {
                     info!("rx successful");
                     debug_indicator.set_high();
-                    Timer::after(Duration::from_secs(5)).await;
+                    Timer::after_secs(5).await;
                     debug_indicator.set_low();
                 } else {
                     info!("rx unknown packet");
diff --git a/examples/stm32l0/src/bin/raw_spawn.rs b/examples/stm32l0/src/bin/raw_spawn.rs
index edc17304a..29c7e0dc7 100644
--- a/examples/stm32l0/src/bin/raw_spawn.rs
+++ b/examples/stm32l0/src/bin/raw_spawn.rs
@@ -7,21 +7,21 @@ use cortex_m_rt::entry;
 use defmt::*;
 use embassy_executor::raw::TaskStorage;
 use embassy_executor::Executor;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 async fn run1() {
     loop {
         info!("BIG INFREQUENT TICK");
-        Timer::after(Duration::from_ticks(64000)).await;
+        Timer::after_ticks(64000).await;
     }
 }
 
 async fn run2() {
     loop {
         info!("tick");
-        Timer::after(Duration::from_ticks(13000)).await;
+        Timer::after_ticks(13000).await;
     }
 }
 
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index a75275a0b..70058d49b 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32l151cb-a", "time-driver-any", "memory-x"]  }
 
 defmt = "0.3"
diff --git a/examples/stm32l1/src/bin/blinky.rs b/examples/stm32l1/src/bin/blinky.rs
index 8a345d235..06f732eb7 100644
--- a/examples/stm32l1/src/bin/blinky.rs
+++ b/examples/stm32l1/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(1000)).await;
+        Timer::after_millis(1000).await;
     }
 }
diff --git a/examples/stm32l4/Cargo.toml b/examples/stm32l4/Cargo.toml
index 59e89c537..b420ad563 100644
--- a/examples/stm32l4/Cargo.toml
+++ b/examples/stm32l4/Cargo.toml
@@ -9,14 +9,14 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32l4s5qi", "memory-x", "time-driver-any", "exti", "unstable-traits", "chrono"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768", "unstable-traits", "nightly"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768", "unstable-traits", "nightly"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal" }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 embassy-net-adin1110 = { version = "0.2.0", path = "../../embassy-net-adin1110" }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "nightly", "udp", "tcp", "dhcpv4", "medium-ethernet"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "nightly", "udp", "tcp", "dhcpv4", "medium-ethernet"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
-embedded-io-async = { version = "0.5.0", features = ["defmt-03"] }
-embedded-io = { version = "0.5.0", features = ["defmt-03"] }
+embedded-io-async = { version = "0.6.0", features = ["defmt-03"] }
+embedded-io = { version = "0.6.0", features = ["defmt-03"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32l4/src/bin/adc.rs b/examples/stm32l4/src/bin/adc.rs
index 1771e5202..a0ec5c33e 100644
--- a/examples/stm32l4/src/bin/adc.rs
+++ b/examples/stm32l4/src/bin/adc.rs
@@ -13,7 +13,7 @@ fn main() -> ! {
     info!("Hello World!");
 
     pac::RCC.ccipr().modify(|w| {
-        w.set_adcsel(0b11);
+        w.set_adcsel(pac::rcc::vals::Adcsel::SYS);
     });
     pac::RCC.ahb2enr().modify(|w| w.set_adcen(true));
 
diff --git a/examples/stm32l4/src/bin/blinky.rs b/examples/stm32l4/src/bin/blinky.rs
index 033292fff..6202fe2f7 100644
--- a/examples/stm32l4/src/bin/blinky.rs
+++ b/examples/stm32l4/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -17,8 +17,8 @@ async fn main(_spawner: Spawner) {
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32l4/src/bin/dac_dma.rs b/examples/stm32l4/src/bin/dac_dma.rs
index c27cc03e1..98f37f906 100644
--- a/examples/stm32l4/src/bin/dac_dma.rs
+++ b/examples/stm32l4/src/bin/dac_dma.rs
@@ -51,7 +51,7 @@ async fn dac_task1(mut dac: Dac1Type) {
     dac.select_trigger(embassy_stm32::dac::Ch1Trigger::Tim6).unwrap();
     dac.enable_channel().unwrap();
 
-    TIM6::enable();
+    TIM6::enable_and_reset();
     TIM6::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
     TIM6::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
     TIM6::regs().cr1().modify(|w| {
@@ -90,7 +90,7 @@ async fn dac_task2(mut dac: Dac2Type) {
         error!("Reload value {} below threshold!", reload);
     }
 
-    TIM7::enable();
+    TIM7::enable_and_reset();
     TIM7::regs().arr().modify(|w| w.set_arr(reload as u16 - 1));
     TIM7::regs().cr2().modify(|w| w.set_mms(Mms::UPDATE));
     TIM7::regs().cr1().modify(|w| {
diff --git a/examples/stm32l4/src/bin/mco.rs b/examples/stm32l4/src/bin/mco.rs
index dea0c66e0..504879887 100644
--- a/examples/stm32l4/src/bin/mco.rs
+++ b/examples/stm32l4/src/bin/mco.rs
@@ -5,8 +5,8 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::rcc::{Mco, Mco1Source, McoClock};
-use embassy_time::{Duration, Timer};
+use embassy_stm32::rcc::{Mco, McoPrescaler, McoSource};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -14,14 +14,14 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
-    let _mco = Mco::new(p.MCO, p.PA8, Mco1Source::Hsi16, McoClock::DIV1);
+    let _mco = Mco::new(p.MCO, p.PA8, McoSource::HSI, McoPrescaler::DIV1);
 
     let mut led = Output::new(p.PB14, Level::High, Speed::Low);
 
     loop {
         led.set_high();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
         led.set_low();
-        Timer::after(Duration::from_millis(300)).await;
+        Timer::after_millis(300).await;
     }
 }
diff --git a/examples/stm32l4/src/bin/rng.rs b/examples/stm32l4/src/bin/rng.rs
index 806e49f59..d8a4e825f 100644
--- a/examples/stm32l4/src/bin/rng.rs
+++ b/examples/stm32l4/src/bin/rng.rs
@@ -4,7 +4,7 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::rcc::{ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
+use embassy_stm32::rcc::{ClockSrc, PLLSource, Pll, PllMul, PllPreDiv, PllQDiv, PllRDiv};
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, peripherals, rng, Config};
 use {defmt_rtt as _, panic_probe as _};
@@ -16,14 +16,16 @@ bind_interrupts!(struct Irqs {
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-    // 72Mhz clock (16 / 1 * 18 / 4)
-    config.rcc.mux = ClockSrc::PLL(
-        PLLSource::HSI16,
-        PLLClkDiv::Div4,
-        PLLSrcDiv::Div1,
-        PLLMul::Mul18,
-        Some(PLLClkDiv::Div6), // 48Mhz (16 / 1 * 18 / 6)
-    );
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.hsi16 = true;
+    config.rcc.pll = Some(Pll {
+        source: PLLSource::HSI,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL18,
+        divp: None,
+        divq: Some(PllQDiv::DIV6), // 48Mhz (16 / 1 * 18 / 6)
+        divr: Some(PllRDiv::DIV4), // sysclk 72Mhz clock (16 / 1 * 18 / 4)
+    });
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
diff --git a/examples/stm32l4/src/bin/rtc.rs b/examples/stm32l4/src/bin/rtc.rs
index eb1eed012..fec0a349d 100644
--- a/examples/stm32l4/src/bin/rtc.rs
+++ b/examples/stm32l4/src/bin/rtc.rs
@@ -5,28 +5,29 @@
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::rcc::{self, ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
+use embassy_stm32::rcc::{ClockSrc, LsConfig, PLLSource, Pll, PllMul, PllPreDiv, PllRDiv};
 use embassy_stm32::rtc::{Rtc, RtcConfig};
 use embassy_stm32::time::Hertz;
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
-    let p = {
-        let mut config = Config::default();
-        config.rcc.mux = ClockSrc::PLL(
-            PLLSource::HSE(Hertz::mhz(8)),
-            PLLClkDiv::Div2,
-            PLLSrcDiv::Div1,
-            PLLMul::Mul20,
-            None,
-        );
-        config.rcc.lse = Some(Hertz(32_768));
-        config.rcc.rtc_mux = rcc::RtcClockSource::LSE;
-        embassy_stm32::init(config)
-    };
+    let mut config = Config::default();
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.hse = Some(Hertz::mhz(8));
+    config.rcc.pll = Some(Pll {
+        source: PLLSource::HSE,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL20,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2), // sysclk 80Mhz clock (8 / 1 * 20 / 2)
+    });
+    config.rcc.ls = LsConfig::default_lse();
+    let p = embassy_stm32::init(config);
+
     info!("Hello World!");
 
     let now = NaiveDate::from_ymd_opt(2020, 5, 15)
@@ -40,7 +41,7 @@ async fn main(_spawner: Spawner) {
     rtc.set_datetime(now.into()).expect("datetime not set");
 
     // In reality the delay would be much longer
-    Timer::after(Duration::from_millis(20000)).await;
+    Timer::after_millis(20000).await;
 
     let then: NaiveDateTime = rtc.now().unwrap().into();
     info!("Got RTC! {:?}", then.timestamp());
diff --git a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
index 287521582..3c9d2cfc0 100644
--- a/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
+++ b/examples/stm32l4/src/bin/spe_adin1110_http_server.rs
@@ -32,7 +32,6 @@ use embedded_io::Write as bWrite;
 use embedded_io_async::Write;
 use hal::gpio::{Input, Level, Output, Speed};
 use hal::i2c::{self, I2c};
-use hal::rcc::{self};
 use hal::rng::{self, Rng};
 use hal::{bind_interrupts, exti, pac, peripherals};
 use heapless::Vec;
@@ -49,7 +48,7 @@ use embassy_net_adin1110::{self, Device, Runner, ADIN1110};
 use embedded_hal_bus::spi::ExclusiveDevice;
 use hal::gpio::Pull;
 use hal::i2c::Config as I2C_Config;
-use hal::rcc::{ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
+use hal::rcc::{ClockSrc, PLLSource, Pll, PllMul, PllPreDiv, PllRDiv};
 use hal::spi::{Config as SPI_Config, Spi};
 use hal::time::Hertz;
 
@@ -78,15 +77,17 @@ async fn main(spawner: Spawner) {
 
     // 80Mhz clock (Source: 8 / SrcDiv: 1 * PLLMul 20 / ClkDiv 2)
     // 80MHz highest frequency for flash 0 wait.
-    config.rcc.mux = ClockSrc::PLL(
-        PLLSource::HSE(Hertz(8_000_000)),
-        PLLClkDiv::Div2,
-        PLLSrcDiv::Div1,
-        PLLMul::Mul20,
-        None,
-    );
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.hse = Some(Hertz::mhz(8));
+    config.rcc.pll = Some(Pll {
+        source: PLLSource::HSE,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL20,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2), // sysclk 80Mhz clock (8 / 1 * 20 / 2)
+    });
     config.rcc.hsi48 = true; // needed for rng
-    config.rcc.rtc_mux = rcc::RtcClockSource::LSI;
 
     let dp = embassy_stm32::init(config);
 
@@ -308,7 +309,7 @@ async fn temp_task(temp_dev_i2c: TempSensI2c, mut led: Output<'static, periphera
 
     loop {
         led.set_low();
-        match select(temp_sens.read_temp(), Timer::after(Duration::from_millis(500))).await {
+        match select(temp_sens.read_temp(), Timer::after_millis(500)).await {
             Either::First(i2c_ret) => match i2c_ret {
                 Ok(value) => {
                     led.set_high();
@@ -366,7 +367,7 @@ pub struct ADT7422<'d, BUS: I2cBus> {
     bus: BUS,
 }
 
-#[derive(Debug, Format)]
+#[derive(Debug, Format, PartialEq, Eq)]
 pub enum Error<I2cError: Format> {
     I2c(I2cError),
     Address,
@@ -426,7 +427,7 @@ where
         // Start: One shot
         let cfg = 0b01 << 5;
         self.write_cfg(cfg).await?;
-        Timer::after(Duration::from_millis(250)).await;
+        Timer::after_millis(250).await;
         self.bus
             .write_read(self.addr, &[Registers::Temp_MSB as u8], &mut buffer)
             .await
diff --git a/examples/stm32l4/src/bin/usb_serial.rs b/examples/stm32l4/src/bin/usb_serial.rs
index 410d6891b..282476547 100644
--- a/examples/stm32l4/src/bin/usb_serial.rs
+++ b/examples/stm32l4/src/bin/usb_serial.rs
@@ -23,8 +23,17 @@ async fn main(_spawner: Spawner) {
     info!("Hello World!");
 
     let mut config = Config::default();
-    config.rcc.mux = ClockSrc::PLL(PLLSource::HSI16, PLLClkDiv::Div2, PLLSrcDiv::Div1, PLLMul::Mul10, None);
     config.rcc.hsi48 = true;
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.hsi16 = true;
+    config.rcc.pll = Some(Pll {
+        source: PLLSource::HSI,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL10,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2), // sysclk 80Mhz (16 / 1 * 10 / 2)
+    });
 
     let p = embassy_stm32::init(config);
 
diff --git a/examples/stm32l5/Cargo.toml b/examples/stm32l5/Cargo.toml
index 583e1a776..ecf88d7e6 100644
--- a/examples/stm32l5/Cargo.toml
+++ b/examples/stm32l5/Cargo.toml
@@ -9,9 +9,9 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32l552ze", "time-driver-any", "exti", "unstable-traits", "memory-x"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "nightly", "tcp", "dhcpv4", "medium-ethernet"] }
 embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 usbd-hid = "0.6.0"
 
@@ -25,7 +25,7 @@ embedded-hal = "0.2.6"
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
 heapless = { version = "0.7.5", default-features = false }
 rand_core = { version = "0.6.3", default-features = false }
-embedded-io-async = { version = "0.5.0" }
+embedded-io-async = { version = "0.6.0" }
 static_cell = { version = "1.1", features = ["nightly"]}
 
 [profile.release]
diff --git a/examples/stm32l5/src/bin/rng.rs b/examples/stm32l5/src/bin/rng.rs
index 9549d64d8..b57f438ff 100644
--- a/examples/stm32l5/src/bin/rng.rs
+++ b/examples/stm32l5/src/bin/rng.rs
@@ -4,7 +4,7 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::rcc::{ClockSrc, PLLClkDiv, PLLMul, PLLSource, PLLSrcDiv};
+use embassy_stm32::rcc::{ClockSrc, PLLSource, Pll, PllMul, PllPreDiv, PllRDiv};
 use embassy_stm32::rng::Rng;
 use embassy_stm32::{bind_interrupts, peripherals, rng, Config};
 use {defmt_rtt as _, panic_probe as _};
@@ -16,13 +16,17 @@ bind_interrupts!(struct Irqs {
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-    config.rcc.mux = ClockSrc::PLL(
-        PLLSource::HSI16,
-        PLLClkDiv::Div2,
-        PLLSrcDiv::Div1,
-        PLLMul::Mul8,
-        Some(PLLClkDiv::Div2),
-    );
+    config.rcc.hsi16 = true;
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.pll = Some(Pll {
+        // 64Mhz clock (16 / 1 * 8 / 2)
+        source: PLLSource::HSI,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL8,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2),
+    });
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
diff --git a/examples/stm32l5/src/bin/usb_ethernet.rs b/examples/stm32l5/src/bin/usb_ethernet.rs
index 15b84761b..bbe44642b 100644
--- a/examples/stm32l5/src/bin/usb_ethernet.rs
+++ b/examples/stm32l5/src/bin/usb_ethernet.rs
@@ -45,8 +45,17 @@ async fn net_task(stack: &'static Stack<Device<'static, MTU>>) -> ! {
 #[embassy_executor::main]
 async fn main(spawner: Spawner) {
     let mut config = Config::default();
-    config.rcc.mux = ClockSrc::PLL(PLLSource::HSI16, PLLClkDiv::Div2, PLLSrcDiv::Div1, PLLMul::Mul10, None);
-    config.rcc.hsi48 = true;
+    config.rcc.hsi16 = true;
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.pll = Some(Pll {
+        // 80Mhz clock (16 / 1 * 10 / 2)
+        source: PLLSource::HSI,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL10,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2),
+    });
     let p = embassy_stm32::init(config);
 
     // Create the driver, from the HAL.
diff --git a/examples/stm32l5/src/bin/usb_hid_mouse.rs b/examples/stm32l5/src/bin/usb_hid_mouse.rs
index 7e894e407..44e29ee9c 100644
--- a/examples/stm32l5/src/bin/usb_hid_mouse.rs
+++ b/examples/stm32l5/src/bin/usb_hid_mouse.rs
@@ -8,7 +8,7 @@ use embassy_futures::join::join;
 use embassy_stm32::rcc::*;
 use embassy_stm32::usb::Driver;
 use embassy_stm32::{bind_interrupts, peripherals, usb, Config};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use embassy_usb::class::hid::{HidWriter, ReportId, RequestHandler, State};
 use embassy_usb::control::OutResponse;
 use embassy_usb::Builder;
@@ -22,8 +22,17 @@ bind_interrupts!(struct Irqs {
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-    config.rcc.mux = ClockSrc::PLL(PLLSource::HSI16, PLLClkDiv::Div2, PLLSrcDiv::Div1, PLLMul::Mul10, None);
-    config.rcc.hsi48 = true;
+    config.rcc.hsi16 = true;
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.pll = Some(Pll {
+        // 80Mhz clock (16 / 1 * 10 / 2)
+        source: PLLSource::HSI,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL10,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2),
+    });
     let p = embassy_stm32::init(config);
 
     // Create the driver, from the HAL.
@@ -76,7 +85,7 @@ async fn main(_spawner: Spawner) {
     let hid_fut = async {
         let mut y: i8 = 5;
         loop {
-            Timer::after(Duration::from_millis(500)).await;
+            Timer::after_millis(500).await;
 
             y = -y;
             let report = MouseReport {
diff --git a/examples/stm32l5/src/bin/usb_serial.rs b/examples/stm32l5/src/bin/usb_serial.rs
index 0c719560f..612b891ac 100644
--- a/examples/stm32l5/src/bin/usb_serial.rs
+++ b/examples/stm32l5/src/bin/usb_serial.rs
@@ -20,8 +20,17 @@ bind_interrupts!(struct Irqs {
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = Config::default();
-    config.rcc.mux = ClockSrc::PLL(PLLSource::HSI16, PLLClkDiv::Div2, PLLSrcDiv::Div1, PLLMul::Mul10, None);
-    config.rcc.hsi48 = true;
+    config.rcc.hsi16 = true;
+    config.rcc.mux = ClockSrc::PLL1_R;
+    config.rcc.pll = Some(Pll {
+        // 80Mhz clock (16 / 1 * 10 / 2)
+        source: PLLSource::HSI,
+        prediv: PllPreDiv::DIV1,
+        mul: PllMul::MUL10,
+        divp: None,
+        divq: None,
+        divr: Some(PllRDiv::DIV2),
+    });
     let p = embassy_stm32::init(config);
 
     info!("Hello World!");
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index e361856c5..de60b3b19 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "unstable-pac", "stm32u585ai", "time-driver-any", "memory-x" ]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defmt"] }
 
 defmt = "0.3"
diff --git a/examples/stm32u5/src/bin/blinky.rs b/examples/stm32u5/src/bin/blinky.rs
index 976fb0b9a..4b44cb12b 100644
--- a/examples/stm32u5/src/bin/blinky.rs
+++ b/examples/stm32u5/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) -> ! {
     loop {
         defmt::info!("on!");
         led.set_low();
-        Timer::after(Duration::from_millis(200)).await;
+        Timer::after_millis(200).await;
 
         defmt::info!("off!");
         led.set_high();
-        Timer::after(Duration::from_millis(200)).await;
+        Timer::after_millis(200).await;
     }
 }
diff --git a/examples/stm32u5/src/bin/usb_serial.rs b/examples/stm32u5/src/bin/usb_serial.rs
index 9e47fb18a..9b2adb0ac 100644
--- a/examples/stm32u5/src/bin/usb_serial.rs
+++ b/examples/stm32u5/src/bin/usb_serial.rs
@@ -23,7 +23,12 @@ async fn main(_spawner: Spawner) {
     info!("Hello World!");
 
     let mut config = Config::default();
-    config.rcc.mux = ClockSrc::PLL1R(PllSrc::HSI16, PllM::Div2, PllN::Mul10, PllClkDiv::NotDivided);
+    config.rcc.mux = ClockSrc::PLL1R(PllConfig {
+        source: PllSrc::HSI16,
+        m: Pllm::DIV2,
+        n: Plln::MUL10,
+        r: Plldiv::DIV1,
+    });
     //config.rcc.mux = ClockSrc::MSI(MSIRange::Range48mhz);
     config.rcc.hsi48 = true;
 
diff --git a/examples/stm32wb/Cargo.toml b/examples/stm32wb/Cargo.toml
index 320678ddc..fa2cc63fa 100644
--- a/examples/stm32wb/Cargo.toml
+++ b/examples/stm32wb/Cargo.toml
@@ -10,8 +10,8 @@ embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["
 embassy-stm32-wpan = { version = "0.1.0", path = "../../embassy-stm32-wpan", features = ["defmt", "stm32wb55rg"] }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "udp", "proto-ipv6", "medium-ieee802154", "nightly"], optional=true }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "udp", "proto-ipv6", "medium-ieee802154", "nightly"], optional=true }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32wb/src/bin/blinky.rs b/examples/stm32wb/src/bin/blinky.rs
index f9bf90d2e..1394f03fa 100644
--- a/examples/stm32wb/src/bin/blinky.rs
+++ b/examples/stm32wb/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32wb/src/bin/tl_mbox.rs b/examples/stm32wb/src/bin/tl_mbox.rs
index 2f53f5df8..9d0e0070c 100644
--- a/examples/stm32wb/src/bin/tl_mbox.rs
+++ b/examples/stm32wb/src/bin/tl_mbox.rs
@@ -8,7 +8,7 @@ use embassy_stm32::bind_interrupts;
 use embassy_stm32::ipcc::{Config, ReceiveInterruptHandler, TransmitInterruptHandler};
 use embassy_stm32::rcc::WPAN_DEFAULT;
 use embassy_stm32_wpan::TlMbox;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs{
@@ -71,7 +71,7 @@ async fn main(_spawner: Spawner) {
             }
         }
 
-        Timer::after(Duration::from_millis(50)).await;
+        Timer::after_millis(50).await;
     }
 
     info!("Test OK");
diff --git a/examples/stm32wba/Cargo.toml b/examples/stm32wba/Cargo.toml
index 26fcce26b..68ab5a468 100644
--- a/examples/stm32wba/Cargo.toml
+++ b/examples/stm32wba/Cargo.toml
@@ -8,8 +8,8 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wba52cg", "time-driver-any", "memory-x", "exti"]  }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
-embassy-net = { version = "0.1.0", path = "../../embassy-net", features = ["defmt", "udp", "proto-ipv6", "medium-ieee802154", "nightly"], optional=true }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-net = { version = "0.2.0", path = "../../embassy-net", features = ["defmt", "udp", "proto-ipv6", "medium-ieee802154", "nightly"], optional=true }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32wba/src/bin/blinky.rs b/examples/stm32wba/src/bin/blinky.rs
index 530746296..6b9635e66 100644
--- a/examples/stm32wba/src/bin/blinky.rs
+++ b/examples/stm32wba/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32wl/Cargo.toml b/examples/stm32wl/Cargo.toml
index f47a9a906..6a338af40 100644
--- a/examples/stm32wl/Cargo.toml
+++ b/examples/stm32wl/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT OR Apache-2.0"
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "unstable-traits", "defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "unstable-pac", "exti", "chrono"] }
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["nightly", "arch-cortex-m", "executor-thread", "defmt", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["nightly", "unstable-traits", "defmt", "defmt-timestamp-uptime", "tick-hz-32_768"] }
 embassy-embedded-hal = { version = "0.1.0", path = "../../embassy-embedded-hal" }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time", "defmt"] }
 lora-phy = { version = "2" }
diff --git a/examples/stm32wl/src/bin/blinky.rs b/examples/stm32wl/src/bin/blinky.rs
index 6af5099ce..5bd5745f0 100644
--- a/examples/stm32wl/src/bin/blinky.rs
+++ b/examples/stm32wl/src/bin/blinky.rs
@@ -5,7 +5,7 @@
 use defmt::*;
 use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
@@ -18,10 +18,10 @@ async fn main(_spawner: Spawner) {
     loop {
         info!("high");
         led.set_high();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
 
         info!("low");
         led.set_low();
-        Timer::after(Duration::from_millis(500)).await;
+        Timer::after_millis(500).await;
     }
 }
diff --git a/examples/stm32wl/src/bin/lora_lorawan.rs b/examples/stm32wl/src/bin/lora_lorawan.rs
index fb2495326..8c789afbc 100644
--- a/examples/stm32wl/src/bin/lora_lorawan.rs
+++ b/examples/stm32wl/src/bin/lora_lorawan.rs
@@ -33,8 +33,7 @@ bind_interrupts!(struct Irqs{
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = embassy_stm32::Config::default();
-    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE32;
-    config.rcc.rtc_mux = embassy_stm32::rcc::RtcClockSource::LSI;
+    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE;
     let p = embassy_stm32::init(config);
 
     pac::RCC.ccipr().modify(|w| w.set_rngsel(0b01));
diff --git a/examples/stm32wl/src/bin/lora_p2p_receive.rs b/examples/stm32wl/src/bin/lora_p2p_receive.rs
index 3d8c31ff3..be33f39c1 100644
--- a/examples/stm32wl/src/bin/lora_p2p_receive.rs
+++ b/examples/stm32wl/src/bin/lora_p2p_receive.rs
@@ -11,7 +11,7 @@ use embassy_lora::iv::{InterruptHandler, Stm32wlInterfaceVariant};
 use embassy_stm32::bind_interrupts;
 use embassy_stm32::gpio::{Level, Output, Pin, Speed};
 use embassy_stm32::spi::Spi;
-use embassy_time::{Delay, Duration, Timer};
+use embassy_time::{Delay, Timer};
 use lora_phy::mod_params::*;
 use lora_phy::sx1261_2::SX1261_2;
 use lora_phy::LoRa;
@@ -26,7 +26,7 @@ bind_interrupts!(struct Irqs{
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = embassy_stm32::Config::default();
-    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE32;
+    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE;
     let p = embassy_stm32::init(config);
 
     let spi = Spi::new_subghz(p.SUBGHZSPI, p.DMA1_CH1, p.DMA1_CH2);
@@ -51,7 +51,7 @@ async fn main(_spawner: Spawner) {
     let mut start_indicator = Output::new(p.PB15, Level::Low, Speed::Low);
 
     start_indicator.set_high();
-    Timer::after(Duration::from_secs(5)).await;
+    Timer::after_secs(5).await;
     start_indicator.set_low();
 
     let mut receiving_buffer = [00u8; 100];
@@ -103,7 +103,7 @@ async fn main(_spawner: Spawner) {
                 {
                     info!("rx successful");
                     debug_indicator.set_high();
-                    Timer::after(Duration::from_secs(5)).await;
+                    Timer::after_secs(5).await;
                     debug_indicator.set_low();
                 } else {
                     info!("rx unknown packet");
diff --git a/examples/stm32wl/src/bin/lora_p2p_send.rs b/examples/stm32wl/src/bin/lora_p2p_send.rs
index fbd0b0320..85f6a84b7 100644
--- a/examples/stm32wl/src/bin/lora_p2p_send.rs
+++ b/examples/stm32wl/src/bin/lora_p2p_send.rs
@@ -26,7 +26,7 @@ bind_interrupts!(struct Irqs{
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = embassy_stm32::Config::default();
-    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE32;
+    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE;
     let p = embassy_stm32::init(config);
 
     let spi = Spi::new_subghz(p.SUBGHZSPI, p.DMA1_CH1, p.DMA1_CH2);
diff --git a/examples/stm32wl/src/bin/random.rs b/examples/stm32wl/src/bin/random.rs
index 18eeac4fa..70676c704 100644
--- a/examples/stm32wl/src/bin/random.rs
+++ b/examples/stm32wl/src/bin/random.rs
@@ -4,6 +4,7 @@
 
 use defmt::*;
 use embassy_executor::Spawner;
+use embassy_stm32::rcc::{ClockSrc, MSIRange};
 use embassy_stm32::rng::{self, Rng};
 use embassy_stm32::{bind_interrupts, pac, peripherals};
 use {defmt_rtt as _, panic_probe as _};
@@ -15,13 +16,10 @@ bind_interrupts!(struct Irqs{
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = embassy_stm32::Config::default();
-    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE32;
-    config.rcc.rtc_mux = embassy_stm32::rcc::RtcClockSource::LSI;
-
+    config.rcc.mux = ClockSrc::MSI(MSIRange::RANGE32M);
     let p = embassy_stm32::init(config);
-    pac::RCC.ccipr().modify(|w| {
-        w.set_rngsel(0b01);
-    });
+
+    pac::RCC.ccipr().modify(|w| w.set_rngsel(0b11)); // msi
 
     info!("Hello World!");
 
diff --git a/examples/stm32wl/src/bin/rtc.rs b/examples/stm32wl/src/bin/rtc.rs
index 11734e4b6..9ebb05f22 100644
--- a/examples/stm32wl/src/bin/rtc.rs
+++ b/examples/stm32wl/src/bin/rtc.rs
@@ -5,20 +5,18 @@
 use chrono::{NaiveDate, NaiveDateTime};
 use defmt::*;
 use embassy_executor::Spawner;
-use embassy_stm32::rcc::ClockSrc;
-use embassy_stm32::rtc::{Rtc, RtcClockSource, RtcConfig};
-use embassy_stm32::time::Hertz;
+use embassy_stm32::rcc::{ClockSrc, LsConfig};
+use embassy_stm32::rtc::{Rtc, RtcConfig};
 use embassy_stm32::Config;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let p = {
         let mut config = Config::default();
-        config.rcc.mux = ClockSrc::HSE32;
-        config.rcc.lse = Some(Hertz(32_768));
-        config.rcc.rtc_mux = RtcClockSource::LSE;
+        config.rcc.mux = ClockSrc::HSE;
+        config.rcc.ls = LsConfig::default_lse();
         embassy_stm32::init(config)
     };
     info!("Hello World!");
@@ -34,7 +32,7 @@ async fn main(_spawner: Spawner) {
     rtc.set_datetime(now.into()).expect("datetime not set");
 
     // In reality the delay would be much longer
-    Timer::after(Duration::from_millis(20000)).await;
+    Timer::after_millis(20000).await;
 
     let then: NaiveDateTime = rtc.now().unwrap().into();
     info!("Got RTC! {:?}", then.timestamp());
diff --git a/examples/stm32wl/src/bin/uart_async.rs b/examples/stm32wl/src/bin/uart_async.rs
index 2c9b7c691..44e8f83a2 100644
--- a/examples/stm32wl/src/bin/uart_async.rs
+++ b/examples/stm32wl/src/bin/uart_async.rs
@@ -21,7 +21,7 @@ but can be surely changed for your needs.
 #[embassy_executor::main]
 async fn main(_spawner: Spawner) {
     let mut config = embassy_stm32::Config::default();
-    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE32;
+    config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE;
     let p = embassy_stm32::init(config);
 
     defmt::info!("Starting system");
diff --git a/examples/wasm/Cargo.toml b/examples/wasm/Cargo.toml
index 12b2e2bd4..29339295a 100644
--- a/examples/wasm/Cargo.toml
+++ b/examples/wasm/Cargo.toml
@@ -10,7 +10,7 @@ crate-type = ["cdylib"]
 [dependencies]
 embassy-sync = { version = "0.3.0", path = "../../embassy-sync", features = ["log"] }
 embassy-executor = { version = "0.3.0", path = "../../embassy-executor", features = ["arch-wasm", "executor-thread", "log", "nightly", "integrated-timers"] }
-embassy-time = { version = "0.1.3", path = "../../embassy-time", features = ["log", "wasm", "nightly"] }
+embassy-time = { version = "0.1.5", path = "../../embassy-time", features = ["log", "wasm", "nightly"] }
 
 wasm-logger = "0.2.0"
 wasm-bindgen = "0.2"
diff --git a/examples/wasm/src/lib.rs b/examples/wasm/src/lib.rs
index edfe8bafc..1141096fb 100644
--- a/examples/wasm/src/lib.rs
+++ b/examples/wasm/src/lib.rs
@@ -1,7 +1,7 @@
 #![feature(type_alias_impl_trait)]
 
 use embassy_executor::Spawner;
-use embassy_time::{Duration, Timer};
+use embassy_time::Timer;
 
 #[embassy_executor::task]
 async fn ticker() {
@@ -19,7 +19,7 @@ async fn ticker() {
         log::info!("tick {}", counter);
         counter += 1;
 
-        Timer::after(Duration::from_secs(1)).await;
+        Timer::after_secs(1).await;
     }
 }