36 files changed, 156 insertions, 44 deletions

diff --git a/examples/boot/application/nrf/Cargo.toml b/examples/boot/application/nrf/Cargo.toml
index cda1917b3..d6a30602d 100644
--- a/examples/boot/application/nrf/Cargo.toml
+++ b/examples/boot/application/nrf/Cargo.toml
@@ -18,9 +18,9 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
 ed25519-dalek = ["embassy-boot/ed25519-dalek"]
-ed25519-salty = ["embassy-boot/ed25519-salty"]
\ No newline at end of file
+ed25519-salty = ["embassy-boot/ed25519-salty"]
diff --git a/examples/boot/application/rp/Cargo.toml b/examples/boot/application/rp/Cargo.toml
index 9d34a3691..62ef42d6b 100644
--- a/examples/boot/application/rp/Cargo.toml
+++ b/examples/boot/application/rp/Cargo.toml
@@ -18,7 +18,7 @@ panic-probe = { version = "0.3", features = ["print-defmt"], optional = true }
 panic-reset = { version = "0.1.1", optional = true }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32f3/Cargo.toml b/examples/boot/application/stm32f3/Cargo.toml
index 8e978eb24..e5fb1b01d 100644
--- a/examples/boot/application/stm32f3/Cargo.toml
+++ b/examples/boot/application/stm32f3/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32f7/Cargo.toml b/examples/boot/application/stm32f7/Cargo.toml
index fb55b166d..a6ac1cadf 100644
--- a/examples/boot/application/stm32f7/Cargo.toml
+++ b/examples/boot/application/stm32f7/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32h7/Cargo.toml b/examples/boot/application/stm32h7/Cargo.toml
index ea6b905a4..5b8ee555f 100644
--- a/examples/boot/application/stm32h7/Cargo.toml
+++ b/examples/boot/application/stm32h7/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32l0/Cargo.toml b/examples/boot/application/stm32l0/Cargo.toml
index 6ba18564d..05ce5c10a 100644
--- a/examples/boot/application/stm32l0/Cargo.toml
+++ b/examples/boot/application/stm32l0/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32l1/Cargo.toml b/examples/boot/application/stm32l1/Cargo.toml
index d5b8e3e01..14af99e96 100644
--- a/examples/boot/application/stm32l1/Cargo.toml
+++ b/examples/boot/application/stm32l1/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32l4/Cargo.toml b/examples/boot/application/stm32l4/Cargo.toml
index ccd1fe2ee..90ae97725 100644
--- a/examples/boot/application/stm32l4/Cargo.toml
+++ b/examples/boot/application/stm32l4/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/application/stm32wl/Cargo.toml b/examples/boot/application/stm32wl/Cargo.toml
index 128afd51e..08403a4ec 100644
--- a/examples/boot/application/stm32wl/Cargo.toml
+++ b/examples/boot/application/stm32wl/Cargo.toml
@@ -17,7 +17,7 @@ defmt-rtt = { version = "0.4", optional = true }
 panic-reset = { version = "0.1.1" }
 embedded-hal = { version = "0.2.6" }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 
 [features]
diff --git a/examples/boot/bootloader/nrf/Cargo.toml b/examples/boot/bootloader/nrf/Cargo.toml
index 8a6f53643..cd0be5b48 100644
--- a/examples/boot/bootloader/nrf/Cargo.toml
+++ b/examples/boot/bootloader/nrf/Cargo.toml
@@ -11,7 +11,7 @@ defmt-rtt = { version = "0.4", optional = true }
 
 embassy-nrf = { path = "../../../../embassy-nrf", default-features = false, features = ["nightly"] }
 embassy-boot-nrf = { path = "../../../../embassy-boot/nrf", default-features = false }
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = { version = "0.7" }
 cfg-if = "1.0.0"
 
diff --git a/examples/boot/bootloader/rp/Cargo.toml b/examples/boot/bootloader/rp/Cargo.toml
index a16cebe31..b4167bcd8 100644
--- a/examples/boot/bootloader/rp/Cargo.toml
+++ b/examples/boot/bootloader/rp/Cargo.toml
@@ -13,7 +13,7 @@ embassy-rp = { path = "../../../../embassy-rp", default-features = false, featur
 embassy-boot-rp = { path = "../../../../embassy-boot/rp", default-features = false }
 embassy-time = { path = "../../../../embassy-time", features = ["nightly"] }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
 embedded-storage-async = "0.4.0"
diff --git a/examples/boot/bootloader/stm32/Cargo.toml b/examples/boot/bootloader/stm32/Cargo.toml
index b1791620f..f2675aa73 100644
--- a/examples/boot/bootloader/stm32/Cargo.toml
+++ b/examples/boot/bootloader/stm32/Cargo.toml
@@ -11,7 +11,7 @@ defmt-rtt = { version = "0.4", optional = true }
 
 embassy-stm32 = { path = "../../../../embassy-stm32", default-features = false, features = ["nightly"] }
 embassy-boot-stm32 = { path = "../../../../embassy-boot/stm32", default-features = false }
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = { version = "0.7" }
 embedded-storage = "0.3.0"
 embedded-storage-async = "0.4.0"
diff --git a/examples/nrf-rtos-trace/Cargo.toml b/examples/nrf-rtos-trace/Cargo.toml
index 6f7cb8875..0a7141c4e 100644
--- a/examples/nrf-rtos-trace/Cargo.toml
+++ b/examples/nrf-rtos-trace/Cargo.toml
@@ -21,7 +21,7 @@ embassy-executor = { version = "0.1.0", path = "../../embassy-executor", feature
 embassy-time = { version = "0.1.0", 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 = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 panic-probe = { version = "0.3" }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
diff --git a/examples/nrf52840/Cargo.toml b/examples/nrf52840/Cargo.toml
index fc614cb80..10c269a76 100644
--- a/examples/nrf52840/Cargo.toml
+++ b/examples/nrf52840/Cargo.toml
@@ -20,14 +20,14 @@ embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defm
 embedded-io = "0.4.0"
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx126x", "time", "defmt"], optional = true }
 
-lorawan-device = { version = "0.8.0", default-features = false, features = ["async"], optional = true }
-lorawan = { version = "0.7.1", default-features = false, features = ["default-crypto"], optional = true }
+lorawan-device = { version = "0.9.0", default-features = false, features = ["async"], optional = true }
+lorawan = { version = "0.7.2", default-features = false, features = ["default-crypto"], optional = true }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
 
 static_cell = "1.0"
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
diff --git a/examples/nrf5340/Cargo.toml b/examples/nrf5340/Cargo.toml
index 2c3a12964..ebbc25bc6 100644
--- a/examples/nrf5340/Cargo.toml
+++ b/examples/nrf5340/Cargo.toml
@@ -43,7 +43,7 @@ defmt = "0.3"
 defmt-rtt = "0.4"
 
 static_cell = "1.0"
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = [
diff --git a/examples/rp/Cargo.toml b/examples/rp/Cargo.toml
index f0fd27991..8067f7ba5 100644
--- a/examples/rp/Cargo.toml
+++ b/examples/rp/Cargo.toml
@@ -20,7 +20,7 @@ defmt = "0.3"
 defmt-rtt = "0.4"
 
 #cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
-cortex-m = { version = "0.7.6" }
+cortex-m = { version = "0.7.6", features = ["inline-asm"] }
 cortex-m-rt = "0.7.0"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await", "cfg-target-has-atomic", "unstable"] }
diff --git a/examples/stm32f0/Cargo.toml b/examples/stm32f0/Cargo.toml
index 2ff252622..e969538d3 100644
--- a/examples/stm32f0/Cargo.toml
+++ b/examples/stm32f0/Cargo.toml
@@ -7,7 +7,7 @@ license = "MIT OR Apache-2.0"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 defmt = "0.3"
 defmt-rtt = "0.4"
diff --git a/examples/stm32f1/Cargo.toml b/examples/stm32f1/Cargo.toml
index d08e00b0b..706b5a722 100644
--- a/examples/stm32f1/Cargo.toml
+++ b/examples/stm32f1/Cargo.toml
@@ -15,7 +15,7 @@ embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32f2/Cargo.toml b/examples/stm32f2/Cargo.toml
index 02045a79f..62947bf49 100644
--- a/examples/stm32f2/Cargo.toml
+++ b/examples/stm32f2/Cargo.toml
@@ -13,7 +13,7 @@ embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32f3/Cargo.toml b/examples/stm32f3/Cargo.toml
index a62eba9ec..7ba9ff0c1 100644
--- a/examples/stm32f3/Cargo.toml
+++ b/examples/stm32f3/Cargo.toml
@@ -15,7 +15,7 @@ embassy-futures = { version = "0.1.0", path = "../../embassy-futures" }
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32f4/Cargo.toml b/examples/stm32f4/Cargo.toml
index 4b2f3d21c..77985a017 100644
--- a/examples/stm32f4/Cargo.toml
+++ b/examples/stm32f4/Cargo.toml
@@ -8,14 +8,14 @@ license = "MIT OR Apache-2.0"
 embassy-sync = { version = "0.2.0", path = "../../embassy-sync", features = ["defmt"] }
 embassy-executor = { version = "0.1.0", path = "../../embassy-executor", features = ["arch-cortex-m", "executor-thread", "executor-interrupt", "defmt", "integrated-timers", "arch-cortex-m", "executor-thread", "executor-interrupt"] }
 embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["defmt", "defmt-timestamp-uptime", "unstable-traits", "tick-hz-32_768"] }
-embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "unstable-traits", "defmt", "stm32f429zi", "unstable-pac", "memory-x", "time-driver-any", "exti"]  }
+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-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"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+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 = "0.4.0"
diff --git a/examples/stm32f4/src/bin/sdmmc.rs b/examples/stm32f4/src/bin/sdmmc.rs
index ebdfdb22d..eeecbd321 100644
--- a/examples/stm32f4/src/bin/sdmmc.rs
+++ b/examples/stm32f4/src/bin/sdmmc.rs
@@ -39,7 +39,18 @@ async fn main(_spawner: Spawner) {
     // Should print 400kHz for initialization
     info!("Configured clock: {}", sdmmc.clock().0);
 
-    unwrap!(sdmmc.init_card(mhz(48)).await);
+    let mut err = None;
+    loop {
+        match sdmmc.init_card(mhz(24)).await {
+            Ok(_) => break,
+            Err(e) => {
+                if err != Some(e) {
+                    info!("waiting for card error, retrying: {:?}", e);
+                    err = Some(e);
+                }
+            }
+        }
+    }
 
     let card = unwrap!(sdmmc.card());
 
diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml
index 898e05c12..d9e9d668c 100644
--- a/examples/stm32f7/Cargo.toml
+++ b/examples/stm32f7/Cargo.toml
@@ -16,7 +16,7 @@ embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defm
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32g0/Cargo.toml b/examples/stm32g0/Cargo.toml
index a522fb422..6bbd3a53f 100644
--- a/examples/stm32g0/Cargo.toml
+++ b/examples/stm32g0/Cargo.toml
@@ -13,7 +13,7 @@ embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32g0/src/bin/spi_neopixel.rs b/examples/stm32g0/src/bin/spi_neopixel.rs
new file mode 100644
index 000000000..81fdd15cb
--- /dev/null
+++ b/examples/stm32g0/src/bin/spi_neopixel.rs
@@ -0,0 +1,101 @@
+#![no_std]
+#![no_main]
+#![feature(type_alias_impl_trait)]
+
+use defmt::*;
+use embassy_executor::Spawner;
+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 {defmt_rtt as _, panic_probe as _};
+
+const NR_PIXELS: usize = 15;
+const BITS_PER_PIXEL: usize = 24; // 24 for rgb, 32 for rgbw
+const TOTAL_BITS: usize = NR_PIXELS * BITS_PER_PIXEL;
+
+struct RGB {
+    r: u8,
+    g: u8,
+    b: u8,
+}
+impl Default for RGB {
+    fn default() -> RGB {
+        RGB { r: 0, g: 0, b: 0 }
+    }
+}
+pub struct Ws2812 {
+    // Note that the U5 type controls the selection of 5 bits to output
+    bitbuffer: [U5; TOTAL_BITS],
+}
+
+impl Ws2812 {
+    pub fn new() -> Ws2812 {
+        Ws2812 {
+            bitbuffer: [U5(0); TOTAL_BITS],
+        }
+    }
+    fn len(&self) -> usize {
+        return NR_PIXELS;
+    }
+    fn set(&mut self, idx: usize, rgb: RGB) {
+        self.render_color(idx, 0, rgb.g);
+        self.render_color(idx, 8, rgb.r);
+        self.render_color(idx, 16, rgb.b);
+    }
+    // transform one color byte into an array of 8 byte. Each byte in the array does represent 1 neopixel bit pattern
+    fn render_color(&mut self, pixel_idx: usize, offset: usize, color: u8) {
+        let mut bits = color as usize;
+        let mut idx = pixel_idx * BITS_PER_PIXEL + offset;
+
+        // render one bit in one spi byte. High time first, then the low time
+        // clock should be 4 Mhz, 5 bits, each bit is 0.25 us.
+        // a one bit is send as a pulse of 0.75 high -- 0.50 low
+        // a zero bit is send as a pulse of 0.50 high -- 0.75 low
+        // clock frequency for the neopixel is exact 800 khz
+        // note that the mosi output should have a resistor to ground of 10k,
+        // to assure that between the bursts the line is low
+        for _i in 0..8 {
+            if idx >= TOTAL_BITS {
+                return;
+            }
+            let pattern = match bits & 0x80 {
+                0x80 => 0b0000_1110,
+                _ => 0b000_1100,
+            };
+            bits = bits << 1;
+            self.bitbuffer[idx] = U5(pattern);
+            idx += 1;
+        }
+    }
+}
+
+#[embassy_executor::main]
+async fn main(_spawner: Spawner) {
+    let p = embassy_stm32::init(Default::default());
+    info!("Start test using spi as neopixel driver");
+
+    let mut spi = Spi::new_txonly_nosck(p.SPI1, p.PB5, p.DMA1_CH3, NoDma, Hertz(4_000_000), Config::default());
+
+    let mut neopixels = Ws2812::new();
+
+    loop {
+        let mut cnt: usize = 0;
+        for _i in 0..10 {
+            for idx in 0..neopixels.len() {
+                let color = match (cnt + idx) % 3 {
+                    0 => RGB { r: 0x21, g: 0, b: 0 },
+                    1 => RGB { r: 0, g: 0x31, b: 0 },
+                    _ => RGB { r: 0, g: 0, b: 0x41 },
+                };
+                neopixels.set(idx, color);
+            }
+            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(Duration::from_millis(1000)).await;
+    }
+}
diff --git a/examples/stm32g4/src/bin/pwm.rs b/examples/stm32g4/src/bin/pwm.rs
index 017e89e41..8f7842ed7 100644
--- a/examples/stm32g4/src/bin/pwm.rs
+++ b/examples/stm32g4/src/bin/pwm.rs
@@ -15,8 +15,8 @@ async fn main(_spawner: Spawner) {
     let p = embassy_stm32::init(Default::default());
     info!("Hello World!");
 
-    let ch1 = PwmPin::new_ch1(p.PA5);
-    let mut pwm = SimplePwm::new(p.TIM2, Some(ch1), None, None, None, khz(10));
+    let ch1 = PwmPin::new_ch1(p.PC0);
+    let mut pwm = SimplePwm::new(p.TIM1, Some(ch1), None, None, None, khz(10));
     let max = pwm.get_max_duty();
     pwm.enable(Channel::Ch1);
 
diff --git a/examples/stm32h5/Cargo.toml b/examples/stm32h5/Cargo.toml
index 149f8a58b..67e6c76a7 100644
--- a/examples/stm32h5/Cargo.toml
+++ b/examples/stm32h5/Cargo.toml
@@ -16,7 +16,7 @@ embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defm
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+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-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
diff --git a/examples/stm32h7/Cargo.toml b/examples/stm32h7/Cargo.toml
index 8316498ca..bd175a5b1 100644
--- a/examples/stm32h7/Cargo.toml
+++ b/examples/stm32h7/Cargo.toml
@@ -16,7 +16,7 @@ embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defm
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+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-hal-1 = { package = "embedded-hal", version = "=1.0.0-alpha.10" }
diff --git a/examples/stm32l0/Cargo.toml b/examples/stm32l0/Cargo.toml
index d446d41b2..d08e2b61a 100644
--- a/examples/stm32l0/Cargo.toml
+++ b/examples/stm32l0/Cargo.toml
@@ -15,8 +15,8 @@ embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["de
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "stm32l072cz", "time-driver-any", "exti", "unstable-traits", "memory-x"]  }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["sx127x", "time", "defmt"], optional = true}
 
-lorawan-device = { version = "0.8.0", default-features = false, features = ["async"], optional = true }
-lorawan = { version = "0.7.1", default-features = false, features = ["default-crypto"], optional = true }
+lorawan-device = { version = "0.9.0", default-features = false, features = ["async"], optional = true }
+lorawan = { version = "0.7.2", default-features = false, features = ["default-crypto"], optional = true }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
@@ -24,7 +24,7 @@ defmt-rtt = "0.4"
 embedded-storage = "0.3.0"
 embedded-io = "0.4.0"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
diff --git a/examples/stm32l0/src/bin/lorawan.rs b/examples/stm32l0/src/bin/lorawan.rs
index 27d7c29c2..ea01f610c 100644
--- a/examples/stm32l0/src/bin/lorawan.rs
+++ b/examples/stm32l0/src/bin/lorawan.rs
@@ -45,7 +45,7 @@ async fn main(_spawner: Spawner) {
 
     let radio = Sx127xRadio::new(spi, cs, reset, ready_pin, DummySwitch).await.unwrap();
 
-    let region = region::EU868::default().into();
+    let region = region::Configuration::new(region::Region::EU868);
     let mut device: Device<_, Crypto, _, _> = Device::new(region, radio, LoraTimer::new(), Rng::new(p.RNG));
 
     defmt::info!("Joining LoRaWAN network");
diff --git a/examples/stm32l1/Cargo.toml b/examples/stm32l1/Cargo.toml
index e071c5d27..ff95571e6 100644
--- a/examples/stm32l1/Cargo.toml
+++ b/examples/stm32l1/Cargo.toml
@@ -13,7 +13,7 @@ embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32l5/Cargo.toml b/examples/stm32l5/Cargo.toml
index af305a19d..d3dee5250 100644
--- a/examples/stm32l5/Cargo.toml
+++ b/examples/stm32l5/Cargo.toml
@@ -18,7 +18,7 @@ defmt = "0.3"
 defmt-rtt = "0.4"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 futures = { version = "0.3.17", default-features = false, features = ["async-await"] }
diff --git a/examples/stm32u5/Cargo.toml b/examples/stm32u5/Cargo.toml
index 65fc1b988..86bc83dab 100644
--- a/examples/stm32u5/Cargo.toml
+++ b/examples/stm32u5/Cargo.toml
@@ -14,7 +14,7 @@ embassy-usb = { version = "0.1.0", path = "../../embassy-usb", features = ["defm
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32wb/Cargo.toml b/examples/stm32wb/Cargo.toml
index 835985ec3..18b27b28e 100644
--- a/examples/stm32wb/Cargo.toml
+++ b/examples/stm32wb/Cargo.toml
@@ -13,7 +13,7 @@ embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+cortex-m = { version = "0.7.6", features = ["inline-asm", "critical-section-single-core"] }
 cortex-m-rt = "0.7.0"
 embedded-hal = "0.2.6"
 panic-probe = { version = "0.3", features = ["print-defmt"] }
diff --git a/examples/stm32wl/Cargo.toml b/examples/stm32wl/Cargo.toml
index df295ca49..07f136b40 100644
--- a/examples/stm32wl/Cargo.toml
+++ b/examples/stm32wl/Cargo.toml
@@ -11,13 +11,13 @@ embassy-time = { version = "0.1.0", path = "../../embassy-time", features = ["de
 embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["nightly", "defmt", "stm32wl55jc-cm4", "time-driver-any", "memory-x", "unstable-pac", "exti"]  }
 embassy-lora = { version = "0.1.0", path = "../../embassy-lora", features = ["stm32wl", "time", "defmt"] }
 
-lorawan-device = { version = "0.8.0", default-features = false, features = ["async"] }
-lorawan = { version = "0.7.1", default-features = false, features = ["default-crypto"] }
+lorawan-device = { version = "0.9.0", default-features = false, features = ["async"] }
+lorawan = { version = "0.7.2", default-features = false, features = ["default-crypto"] }
 
 defmt = "0.3"
 defmt-rtt = "0.4"
 
-cortex-m = { version = "0.7.6", features = ["critical-section-single-core"] }
+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-storage = "0.3.0"
diff --git a/examples/stm32wl/src/bin/lorawan.rs b/examples/stm32wl/src/bin/lorawan.rs
index 7f34dd306..32f29cc5d 100644
--- a/examples/stm32wl/src/bin/lorawan.rs
+++ b/examples/stm32wl/src/bin/lorawan.rs
@@ -63,7 +63,7 @@ async fn main(_spawner: Spawner) {
     radio_config.calibrate_image = CalibrateImage::ISM_863_870;
     let radio = SubGhzRadio::new(radio, rfs, irq, radio_config).unwrap();
 
-    let mut region: region::Configuration = region::EU868::default().into();
+    let mut region = region::Configuration::new(region::Region::EU868);
 
     // NOTE: This is specific for TTN, as they have a special RX1 delay
     region.set_receive_delay1(5000);