Merge branch 'embassy-rs:main' into main

.github/ci/test.sh

@@ -8,6 +8,10 @@ export RUSTUP_HOME=/ci/cache/rustup
 export CARGO_HOME=/ci/cache/cargo
 export CARGO_TARGET_DIR=/ci/cache/target
 
+# needed for "dumb HTTP" transport support
+# used when pointing stm32-metapac to a CI-built one.
+export CARGO_NET_GIT_FETCH_WITH_CLI=true
+
 cargo test --manifest-path ./embassy-futures/Cargo.toml
 cargo test --manifest-path ./embassy-sync/Cargo.toml
 cargo test --manifest-path ./embassy-embedded-hal/Cargo.toml

ci.sh

@@ -305,6 +305,7 @@ rm out/tests/stm32u5a5zj/usart
 # flaky, probably due to bad ringbuffered dma code.
 rm out/tests/stm32l152re/usart_rx_ringbuffered
 rm out/tests/stm32f207zg/usart_rx_ringbuffered
+rm out/tests/stm32wl55jc/usart_rx_ringbuffered
 
 if [[ -z "${TELEPROBE_TOKEN-}" ]]; then
     echo No teleprobe token found, skipping running HIL tests

embassy-boot/Cargo.toml

@@ -27,7 +27,7 @@ features = ["defmt"]
 defmt = { version = "0.3", optional = true }
 digest = "0.10"
 log = { version = "0.4", optional = true }
-ed25519-dalek = { version = "2", default_features = false, features = ["digest"], optional = true }
+ed25519-dalek = { version = "2", default-features = false, features = ["digest"], optional = true }
 embassy-embedded-hal = { version = "0.2.0", path = "../embassy-embedded-hal" }
 embassy-sync = { version = "0.6.0", path = "../embassy-sync" }
 embedded-storage = "0.3.1"
@@ -42,7 +42,7 @@ rand = "0.8"
 futures = { version = "0.3", features = ["executor"] }
 sha1 = "0.10.5"
 critical-section = { version = "1.1.1", features = ["std"] }
-ed25519-dalek = { version = "2", default_features = false, features = ["std", "rand_core", "digest"]  }
+ed25519-dalek = { version = "2", default-features = false, features = ["std", "rand_core", "digest"]  }
 
 [features]
 ed25519-dalek = ["dep:ed25519-dalek", "_verify"]

embassy-executor/Cargo.toml

@@ -79,7 +79,7 @@ arch-cortex-m = ["_arch", "dep:cortex-m"]
 ## RISC-V 32
 arch-riscv32 = ["_arch"]
 ## WASM
-arch-wasm = ["_arch", "dep:wasm-bindgen", "dep:js-sys"]
+arch-wasm = ["_arch", "dep:wasm-bindgen", "dep:js-sys", "critical-section/std"]
 ## AVR
 arch-avr = ["_arch", "dep:portable-atomic", "dep:avr-device"]
 

embassy-executor/src/lib.rs

@@ -1,5 +1,4 @@
 #![cfg_attr(not(any(feature = "arch-std", feature = "arch-wasm")), no_std)]
-#![cfg_attr(feature = "nightly", feature(waker_getters))]
 #![allow(clippy::new_without_default)]
 #![doc = include_str!("../README.md")]
 #![warn(missing_docs)]

embassy-executor/src/raw/waker.rs

@@ -50,8 +50,7 @@ pub fn task_from_waker(waker: &Waker) -> TaskRef {
 
         #[cfg(feature = "nightly")]
         {
-            let raw_waker = waker.as_raw();
-            (raw_waker.vtable(), raw_waker.data())
+            (waker.vtable(), waker.data())
         }
     };
 

embassy-usb-logger/src/lib.rs

@@ -41,12 +41,24 @@ pub const MAX_PACKET_SIZE: u8 = 64;
 /// The logger handle, which contains a pipe with configurable size for buffering log messages.
 pub struct UsbLogger<const N: usize> {
     buffer: Pipe<CS, N>,
+    custom_style: Option<fn(&Record, &mut Writer<'_, N>) -> ()>,
 }
 
 impl<const N: usize> UsbLogger<N> {
     /// Create a new logger instance.
     pub const fn new() -> Self {
-        Self { buffer: Pipe::new() }
+        Self {
+            buffer: Pipe::new(),
+            custom_style: None,
+        }
+    }
+
+    /// Create a new logger instance with a custom formatter.
+    pub const fn with_custom_style(custom_style: fn(&Record, &mut Writer<'_, N>) -> ()) -> Self {
+        Self {
+            buffer: Pipe::new(),
+            custom_style: Some(custom_style),
+        }
     }
 
     /// Run the USB logger using the state and USB driver. Never returns.
@@ -137,14 +149,19 @@ impl<const N: usize> log::Log for UsbLogger<N> {
 
     fn log(&self, record: &Record) {
         if self.enabled(record.metadata()) {
-            let _ = write!(Writer(&self.buffer), "{}\r\n", record.args());
+            if let Some(custom_style) = self.custom_style {
+                custom_style(record, &mut Writer(&self.buffer));
+            } else {
+                let _ = write!(Writer(&self.buffer), "{}\r\n", record.args());
+            }
         }
     }
 
     fn flush(&self) {}
 }
 
-struct Writer<'d, const N: usize>(&'d Pipe<CS, N>);
+/// A writer that writes to the USB logger buffer.
+pub struct Writer<'d, const N: usize>(&'d Pipe<CS, N>);
 
 impl<'d, const N: usize> core::fmt::Write for Writer<'d, N> {
     fn write_str(&mut self, s: &str) -> Result<(), core::fmt::Error> {
@@ -210,3 +227,33 @@ macro_rules! with_class {
         LOGGER.create_future_from_class($p)
     }};
 }
+
+/// Initialize the USB serial logger from a serial class and return the future to run it.
+/// This version of the macro allows for a custom style function to be passed in.
+/// The custom style function will be called for each log record and is responsible for writing the log message to the buffer.
+///
+/// Arguments specify the buffer size, log level, the serial class and the custom style function, respectively.
+///
+/// # Usage
+///
+/// ```
+/// let log_fut = embassy_usb_logger::with_custom_style!(1024, log::LevelFilter::Info, logger_class, |record, writer| {
+///     use core::fmt::Write;
+///     let level = record.level().as_str();
+///     write!(writer, "[{level}] {}\r\n", record.args()).unwrap();
+/// });
+/// ```
+///
+/// # Safety
+///
+/// This macro should only be invoked only once since it is setting the global logging state of the application.
+#[macro_export]
+macro_rules! with_custom_style {
+    ( $x:expr, $l:expr, $p:ident, $s:expr ) => {{
+        static LOGGER: ::embassy_usb_logger::UsbLogger<$x> = ::embassy_usb_logger::UsbLogger::with_custom_style($s);
+        unsafe {
+            let _ = ::log::set_logger_racy(&LOGGER).map(|()| log::set_max_level_racy($l));
+        }
+        LOGGER.create_future_from_class($p)
+    }};
+}

examples/nrf52840/src/bin/channel.rs

@@ -35,8 +35,8 @@ async fn main(spawner: Spawner) {
 
     loop {
         match CHANNEL.receive().await {
-            LedState::On => led.set_high(),
-            LedState::Off => led.set_low(),
+            LedState::On => led.set_low(),
+            LedState::Off => led.set_high(),
         }
     }
 }

examples/nrf52840/src/bin/channel_sender_receiver.rs

@@ -33,8 +33,8 @@ async fn recv_task(led: AnyPin, receiver: Receiver<'static, NoopRawMutex, LedSta
 
     loop {
         match receiver.receive().await {
-            LedState::On => led.set_high(),
-            LedState::Off => led.set_low(),
+            LedState::On => led.set_low(),
+            LedState::Off => led.set_high(),
         }
     }
 }

examples/wasm/Cargo.toml

@@ -16,7 +16,6 @@ wasm-logger = "0.2.0"
 wasm-bindgen = "0.2"
 web-sys = { version = "0.3", features = ["Document", "Element", "HtmlElement", "Node", "Window" ] }
 log = "0.4.11"
-critical-section = { version = "1.1", features = ["std"] }
 
 [profile.release]
 debug = 2

rust-toolchain-nightly.toml

@@ -1,5 +1,5 @@
 [toolchain]
-channel = "nightly-2024-07-16"
+channel = "nightly-2024-09-06"
 components = [ "rust-src", "rustfmt", "llvm-tools", "miri" ]
 targets = [
     "thumbv7em-none-eabi",