diff --git a/examples/embassy-stm32g4/.cargo/config.toml b/examples/embassy-stm32g4/.cargo/config.toml new file mode 100644 index 0000000000..cbe00399ad --- /dev/null +++ b/examples/embassy-stm32g4/.cargo/config.toml @@ -0,0 +1,9 @@ +[target.'cfg(all(target_arch = "arm", target_os = "none"))'] +# replace STM32G071C8Rx with your chip as listed in `probe-rs chip list` +runner = "probe-rs run --chip STM32G431CBUx --connect-under-reset" + +[build] +target = "thumbv7m-none-eabi" + +[env] +DEFMT_LOG = "trace" diff --git a/examples/embassy-stm32g4/Cargo.toml b/examples/embassy-stm32g4/Cargo.toml new file mode 100644 index 0000000000..f4efbe90f8 --- /dev/null +++ b/examples/embassy-stm32g4/Cargo.toml @@ -0,0 +1,36 @@ +[package] +edition = "2021" +name = "embassy-stm32g4-examples" +version = "0.1.0" +license = "MIT OR Apache-2.0" + +[workspace] + +[dependencies.rtic] +path="../../rtic" +version = "=2.0" +features = ["thumbv7-backend"] + +[dependencies.rtic-monotonics] +path="../../rtic-monotonics" +version = "=1.5" +features = ["cortex-m-systick"] + +[dependencies.rtic-sync] +path="../../rtic-sync" +version = "=1.3" + +[dependencies] +# Change stm32g431cb to your chip name, if necessary. Also change .cargo/config.toml +embassy-stm32 = { version = "0.1.0", features = [ "defmt", "time-driver-any", "stm32g431cb", "memory-x", "unstable-pac", "exti"] } + +defmt = "0.3" +defmt-rtt = "0.4" + +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"] } + +[profile.release] +debug = 2 diff --git a/examples/embassy-stm32g4/build.rs b/examples/embassy-stm32g4/build.rs new file mode 100644 index 0000000000..8cd32d7edf --- /dev/null +++ b/examples/embassy-stm32g4/build.rs @@ -0,0 +1,5 @@ +fn main() { + println!("cargo:rustc-link-arg-bins=--nmagic"); + println!("cargo:rustc-link-arg-bins=-Tlink.x"); + println!("cargo:rustc-link-arg-bins=-Tdefmt.x"); +} diff --git a/examples/embassy-stm32g4/src/bin/blinky.rs b/examples/embassy-stm32g4/src/bin/blinky.rs new file mode 100644 index 0000000000..9cc48997bd --- /dev/null +++ b/examples/embassy-stm32g4/src/bin/blinky.rs @@ -0,0 +1,61 @@ +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] +#![feature(type_alias_impl_trait)] + +use defmt::*; +use embassy_stm32::gpio::{Level, Output, Speed}; +use rtic::app; +use rtic_monotonics::systick::*; +use {defmt_rtt as _, panic_probe as _}; + +pub mod pac { + pub use embassy_stm32::pac::Interrupt as interrupt; + pub use embassy_stm32::pac::*; +} + +#[app(device = pac, peripherals = false, dispatchers = [SPI1])] +mod app { + use super::*; + + #[shared] + struct Shared {} + + #[local] + struct Local {} + + #[init] + fn init(cx: init::Context) -> (Shared, Local) { + // Initialize the systick interrupt & obtain the token to prove that we did + let systick_mono_token = rtic_monotonics::create_systick_token!(); + Systick::start(cx.core.SYST, 25_000_000, systick_mono_token); + + let p = embassy_stm32::init(Default::default()); + info!("Hello World!"); + + let mut led = Output::new(p.PC6, Level::High, Speed::Low); + info!("high"); + led.set_high(); + + // Schedule the blinking task + blink::spawn(led).ok(); + + (Shared {}, Local {}) + } + + #[task()] + async fn blink(_cx: blink::Context, mut led: Output<'static, embassy_stm32::peripherals::PC6>) { + let mut state = true; + loop { + info!("blink"); + if state { + led.set_high(); + } else { + led.set_low(); + } + state = !state; + Systick::delay(1000.millis()).await; + } + } +}