9 files changed, 39 insertions, 44 deletions

diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 081bed84f..29d6da4d8 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -5,7 +5,8 @@ version = "0.1.0"
 
 [dependencies]
 embassy-util = { version = "0.1.0", path = "../../embassy-util", features = ["defmt"] }
-embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["defmt", "defmt-timestamp-uptime", "time-tick-32768hz"] }
+embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["defmt", "integrated-timers"] }
+embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "tick-32768hz"] }
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "net", "stm32f767zi", "unstable-pac", "time-driver-any", "exti"]  }
 embassy-net = { path = "../../embassy-net", features = ["defmt", "tcp", "dhcpv4", "medium-ethernet", "pool-16"] }
 embedded-io = { version = "0.3.0", features = ["async"] }
@@ -13,7 +14,7 @@ embedded-io = { version = "0.3.0", features = ["async"] }
 defmt = "0.3"
 defmt-rtt = "0.3"
 
-cortex-m = "0.7.3"
+cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
@@ -21,5 +22,5 @@ futures = { version = "0.3.17", default-features = false, features = ["async-awa
 heapless = { version = "0.7.5", default-features = false }
 nb = "1.0.0"
 rand_core = "0.6.3"
-critical-section = "0.2.3"
+critical-section = "1.1"
 embedded-storage = "0.3.0"
diff --git a/examples/stm32f7/src/bin/adc.rs b/examples/stm32f7/src/bin/adc.rs
index 2a813c050..80fad8c41 100644
--- a/examples/stm32f7/src/bin/adc.rs
+++ b/examples/stm32f7/src/bin/adc.rs
@@ -3,14 +3,14 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::*;
-use embassy_executor::executor::Spawner;
-use embassy_executor::time::{Delay, Duration, Timer};
+use embassy_executor::Spawner;
 use embassy_stm32::adc::Adc;
-use embassy_stm32::Peripherals;
+use embassy_time::{Delay, Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) {
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
     let mut adc = Adc::new(p.ADC1, &mut Delay);
diff --git a/examples/stm32f7/src/bin/blinky.rs b/examples/stm32f7/src/bin/blinky.rs
index f71fe0989..b27bee4ce 100644
--- a/examples/stm32f7/src/bin/blinky.rs
+++ b/examples/stm32f7/src/bin/blinky.rs
@@ -3,14 +3,14 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::*;
-use embassy_executor::executor::Spawner;
-use embassy_executor::time::{Duration, Timer};
+use embassy_executor::Spawner;
 use embassy_stm32::gpio::{Level, Output, Speed};
-use embassy_stm32::Peripherals;
+use embassy_time::{Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) {
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
     let mut led = Output::new(p.PB7, Level::High, Speed::Low);
diff --git a/examples/stm32f7/src/bin/button_exti.rs b/examples/stm32f7/src/bin/button_exti.rs
index 60dfb362b..dfe587d41 100644
--- a/examples/stm32f7/src/bin/button_exti.rs
+++ b/examples/stm32f7/src/bin/button_exti.rs
@@ -3,14 +3,14 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::*;
-use embassy_executor::executor::Spawner;
+use embassy_executor::Spawner;
 use embassy_stm32::exti::ExtiInput;
 use embassy_stm32::gpio::{Input, Pull};
-use embassy_stm32::Peripherals;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) {
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
     let button = Input::new(p.PC13, Pull::Down);
diff --git a/examples/stm32f7/src/bin/eth.rs b/examples/stm32f7/src/bin/eth.rs
index 33504af76..bdffabcb3 100644
--- a/examples/stm32f7/src/bin/eth.rs
+++ b/examples/stm32f7/src/bin/eth.rs
@@ -3,8 +3,7 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::*;
-use embassy_executor::executor::Spawner;
-use embassy_executor::time::{Duration, Timer};
+use embassy_executor::Spawner;
 use embassy_net::tcp::TcpSocket;
 use embassy_net::{Ipv4Address, Stack, StackResources};
 use embassy_stm32::eth::generic_smi::GenericSMI;
@@ -12,7 +11,8 @@ use embassy_stm32::eth::{Ethernet, State};
 use embassy_stm32::peripherals::ETH;
 use embassy_stm32::rng::Rng;
 use embassy_stm32::time::mhz;
-use embassy_stm32::{interrupt, Config, Peripherals};
+use embassy_stm32::{interrupt, Config};
+use embassy_time::{Duration, Timer};
 use embassy_util::Forever;
 use embedded_io::asynch::Write;
 use rand_core::RngCore;
@@ -33,14 +33,12 @@ async fn net_task(stack: &'static Stack<Device>) -> ! {
     stack.run().await
 }
 
-fn config() -> Config {
+#[embassy_executor::main]
+async fn main(spawner: Spawner) -> ! {
     let mut config = Config::default();
     config.rcc.sys_ck = Some(mhz(200));
-    config
-}
+    let p = embassy_stm32::init(config);
 
-#[embassy_executor::main(config = "config()")]
-async fn main(spawner: Spawner, p: Peripherals) -> ! {
     info!("Hello World!");
 
     // Generate random seed.
diff --git a/examples/stm32f7/src/bin/flash.rs b/examples/stm32f7/src/bin/flash.rs
index 15864cabb..c10781d0c 100644
--- a/examples/stm32f7/src/bin/flash.rs
+++ b/examples/stm32f7/src/bin/flash.rs
@@ -3,15 +3,15 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::{info, unwrap};
-use embassy_executor::executor::Spawner;
-use embassy_executor::time::{Duration, Timer};
+use embassy_executor::Spawner;
 use embassy_stm32::flash::Flash;
-use embassy_stm32::Peripherals;
+use embassy_time::{Duration, Timer};
 use embedded_storage::nor_flash::{NorFlash, ReadNorFlash};
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) {
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
     info!("Hello Flash!");
 
     const ADDR: u32 = 0x8_0000;
diff --git a/examples/stm32f7/src/bin/hello.rs b/examples/stm32f7/src/bin/hello.rs
index f957656ef..c409703f5 100644
--- a/examples/stm32f7/src/bin/hello.rs
+++ b/examples/stm32f7/src/bin/hello.rs
@@ -3,20 +3,18 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::info;
-use embassy_executor::executor::Spawner;
-use embassy_executor::time::{Duration, Timer};
+use embassy_executor::Spawner;
 use embassy_stm32::time::Hertz;
-use embassy_stm32::{Config, Peripherals};
+use embassy_stm32::Config;
+use embassy_time::{Duration, Timer};
 use {defmt_rtt as _, panic_probe as _};
 
-fn config() -> Config {
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
     let mut config = Config::default();
     config.rcc.sys_ck = Some(Hertz(84_000_000));
-    config
-}
+    let _p = embassy_stm32::init(config);
 
-#[embassy_executor::main(config = "config()")]
-async fn main(_spawner: Spawner, _p: Peripherals) -> ! {
     loop {
         info!("Hello World!");
         Timer::after(Duration::from_secs(1)).await;
diff --git a/examples/stm32f7/src/bin/sdmmc.rs b/examples/stm32f7/src/bin/sdmmc.rs
index 1f321df17..3bf427eca 100644
--- a/examples/stm32f7/src/bin/sdmmc.rs
+++ b/examples/stm32f7/src/bin/sdmmc.rs
@@ -3,20 +3,18 @@
 #![feature(type_alias_impl_trait)]
 
 use defmt::*;
-use embassy_executor::executor::Spawner;
+use embassy_executor::Spawner;
 use embassy_stm32::sdmmc::Sdmmc;
 use embassy_stm32::time::mhz;
-use embassy_stm32::{interrupt, Config, Peripherals};
+use embassy_stm32::{interrupt, Config};
 use {defmt_rtt as _, panic_probe as _};
 
-fn config() -> Config {
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) -> ! {
     let mut config = Config::default();
     config.rcc.sys_ck = Some(mhz(200));
-    config
-}
+    let p = embassy_stm32::init(config);
 
-#[embassy_executor::main(config = "config()")]
-async fn main(_spawner: Spawner, p: Peripherals) -> ! {
     info!("Hello World!");
 
     let irq = interrupt::take!(SDMMC1);
diff --git a/examples/stm32f7/src/bin/usart_dma.rs b/examples/stm32f7/src/bin/usart_dma.rs
index 9884d1634..07270479c 100644
--- a/examples/stm32f7/src/bin/usart_dma.rs
+++ b/examples/stm32f7/src/bin/usart_dma.rs
@@ -5,15 +5,15 @@
 use core::fmt::Write;
 
 use defmt::*;
-use embassy_executor::executor::Spawner;
+use embassy_executor::Spawner;
 use embassy_stm32::dma::NoDma;
 use embassy_stm32::usart::{Config, Uart};
-use embassy_stm32::Peripherals;
 use heapless::String;
 use {defmt_rtt as _, panic_probe as _};
 
 #[embassy_executor::main]
-async fn main(_spawner: Spawner, p: Peripherals) {
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
     let config = Config::default();
     let mut usart = Uart::new(p.UART7, p.PA8, p.PA15, p.DMA1_CH1, NoDma, config);