From 015cad84dddf684673399c181b2782353fa405a8 Mon Sep 17 00:00:00 2001 From: Matous Hybl Date: Tue, 19 Oct 2021 15:36:41 +0200 Subject: Initial support for STM32F767ZI. --- examples/stm32f7/.cargo/config.toml | 18 +++++++++++++++ examples/stm32f7/Cargo.toml | 35 +++++++++++++++++++++++++++++ examples/stm32f7/build.rs | 39 +++++++++++++++++++++++++++++++++ examples/stm32f7/memory.x | 12 ++++++++++ examples/stm32f7/src/bin/blinky.rs | 29 ++++++++++++++++++++++++ examples/stm32f7/src/bin/button.rs | 34 ++++++++++++++++++++++++++++ examples/stm32f7/src/bin/button_exti.rs | 29 ++++++++++++++++++++++++ examples/stm32f7/src/bin/hello.rs | 27 +++++++++++++++++++++++ examples/stm32f7/src/example_common.rs | 17 ++++++++++++++ 9 files changed, 240 insertions(+) create mode 100644 examples/stm32f7/.cargo/config.toml create mode 100644 examples/stm32f7/Cargo.toml create mode 100644 examples/stm32f7/build.rs create mode 100644 examples/stm32f7/memory.x create mode 100644 examples/stm32f7/src/bin/blinky.rs create mode 100644 examples/stm32f7/src/bin/button.rs create mode 100644 examples/stm32f7/src/bin/button_exti.rs create mode 100644 examples/stm32f7/src/bin/hello.rs create mode 100644 examples/stm32f7/src/example_common.rs (limited to 'examples') diff --git a/examples/stm32f7/.cargo/config.toml b/examples/stm32f7/.cargo/config.toml new file mode 100644 index 000000000..632e81541 --- /dev/null +++ b/examples/stm32f7/.cargo/config.toml @@ -0,0 +1,18 @@ +[target.'cfg(all(target_arch = "arm", target_os = "none"))'] +# replace STM32F429ZITx with your chip as listed in `probe-run --list-chips` +runner = "probe-run --chip STM32F767ZITx" + +rustflags = [ + # LLD (shipped with the Rust toolchain) is used as the default linker + "-C", "link-arg=--nmagic", + "-C", "link-arg=-Tlink.x", + "-C", "link-arg=-Tdefmt.x", + + # Code-size optimizations. + "-Z", "trap-unreachable=no", + "-C", "inline-threshold=5", + "-C", "no-vectorize-loops", +] + +[build] +target = "thumbv7em-none-eabihf" diff --git a/examples/stm32f7/Cargo.toml b/examples/stm32f7/Cargo.toml new file mode 100644 index 000000000..cda2d7778 --- /dev/null +++ b/examples/stm32f7/Cargo.toml @@ -0,0 +1,35 @@ +[package] +authors = ["Dario Nieuwenhuis "] +edition = "2018" +name = "embassy-stm32f7-examples" +version = "0.1.0" +resolver = "2" + +[features] +default = [ + "defmt-default", +] +defmt-default = [] +defmt-trace = [] +defmt-debug = [] +defmt-info = [] +defmt-warn = [] +defmt-error = [] + +[dependencies] +embassy = { version = "0.1.0", path = "../../embassy", features = ["defmt", "defmt-trace"] } +embassy-traits = { version = "0.1.0", path = "../../embassy-traits", features = ["defmt"] } +embassy-stm32 = { version = "0.1.0", path = "../../embassy-stm32", features = ["defmt", "defmt-trace", "stm32f767zi", "unstable-pac", "time-driver-tim2"] } +embassy-hal-common = {version = "0.1.0", path = "../../embassy-hal-common" } + +defmt = "0.2.3" +defmt-rtt = "0.2.0" + +cortex-m = "0.7.3" +cortex-m-rt = "0.7.0" +embedded-hal = "0.2.6" +panic-probe = { version = "0.2.0", features = ["print-defmt"] } +futures = { version = "0.3.17", default-features = false, features = ["async-await"] } +rtt-target = { version = "0.3.1", features = ["cortex-m"] } +heapless = { version = "0.7.5", default-features = false } +nb = "1.0.0" diff --git a/examples/stm32f7/build.rs b/examples/stm32f7/build.rs new file mode 100644 index 000000000..b81f6b6e1 --- /dev/null +++ b/examples/stm32f7/build.rs @@ -0,0 +1,39 @@ +//! adapted from https://github.com/stm32-rs/stm32f7xx-hal/blob/master/build.rs +use std::env; +use std::fs::File; +use std::io::{self, prelude::*}; +use std::path::PathBuf; + +#[derive(Debug)] +enum Error { + Env(env::VarError), + Io(io::Error), +} + +impl From for Error { + fn from(error: env::VarError) -> Self { + Self::Env(error) + } +} + +impl From for Error { + fn from(error: io::Error) -> Self { + Self::Io(error) + } +} + +fn main() -> Result<(), Error> { + println!("cargo:rerun-if-changed=build.rs"); + println!("cargo:rerun-if-changed=memory.x"); + + let out_dir = env::var("OUT_DIR")?; + let out_dir = PathBuf::from(out_dir); + + let memory_x = include_bytes!("memory.x").as_ref(); + File::create(out_dir.join("memory.x"))?.write_all(memory_x)?; + + // Tell Cargo where to find the file. + println!("cargo:rustc-link-search={}", out_dir.display()); + + Ok(()) +} diff --git a/examples/stm32f7/memory.x b/examples/stm32f7/memory.x new file mode 100644 index 000000000..899f7a4b8 --- /dev/null +++ b/examples/stm32f7/memory.x @@ -0,0 +1,12 @@ +/* For STM32F765,767,768,769,777,778,779 devices */ +MEMORY +{ + /* NOTE K = KiBi = 1024 bytes */ + FLASH : ORIGIN = 0x08000000, LENGTH = 2M + RAM : ORIGIN = 0x20000000, LENGTH = 368K + 16K +} + +/* This is where the call stack will be allocated. */ +/* The stack is of the full descending type. */ +/* NOTE Do NOT modify `_stack_start` unless you know what you are doing */ +_stack_start = ORIGIN(RAM) + LENGTH(RAM); diff --git a/examples/stm32f7/src/bin/blinky.rs b/examples/stm32f7/src/bin/blinky.rs new file mode 100644 index 000000000..c4857195f --- /dev/null +++ b/examples/stm32f7/src/bin/blinky.rs @@ -0,0 +1,29 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; +use embassy::executor::Spawner; +use embassy::time::{Duration, Timer}; +use embassy_stm32::gpio::{Level, Output, Speed}; +use embassy_stm32::Peripherals; +use embedded_hal::digital::v2::OutputPin; +use example_common::*; + +#[embassy::main] +async fn main(_spawner: Spawner, p: Peripherals) { + info!("Hello World!"); + + let mut led = Output::new(p.PB7, Level::High, Speed::Low); + + loop { + info!("high"); + unwrap!(led.set_high()); + Timer::after(Duration::from_millis(300)).await; + + info!("low"); + unwrap!(led.set_low()); + Timer::after(Duration::from_millis(300)).await; + } +} diff --git a/examples/stm32f7/src/bin/button.rs b/examples/stm32f7/src/bin/button.rs new file mode 100644 index 000000000..95dee7c74 --- /dev/null +++ b/examples/stm32f7/src/bin/button.rs @@ -0,0 +1,34 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; +use cortex_m_rt::entry; +use embassy_stm32::gpio::{Input, Level, Output, Pull, Speed}; +use embedded_hal::digital::v2::{InputPin, OutputPin}; +use example_common::*; + +#[entry] +fn main() -> ! { + info!("Hello World!"); + + let p = embassy_stm32::init(Default::default()); + + let button = Input::new(p.PC13, Pull::Down); + let mut led1 = Output::new(p.PB0, Level::High, Speed::Low); + let _led2 = Output::new(p.PB7, Level::High, Speed::Low); + let mut led3 = Output::new(p.PB14, Level::High, Speed::Low); + + loop { + if unwrap!(button.is_high()) { + info!("high"); + unwrap!(led1.set_high()); + unwrap!(led3.set_low()); + } else { + info!("low"); + unwrap!(led1.set_low()); + unwrap!(led3.set_high()); + } + } +} diff --git a/examples/stm32f7/src/bin/button_exti.rs b/examples/stm32f7/src/bin/button_exti.rs new file mode 100644 index 000000000..2c4318d64 --- /dev/null +++ b/examples/stm32f7/src/bin/button_exti.rs @@ -0,0 +1,29 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; +use embassy::executor::Spawner; +use embassy_stm32::exti::ExtiInput; +use embassy_stm32::gpio::{Input, Pull}; +use embassy_stm32::Peripherals; +use embassy_traits::gpio::{WaitForFallingEdge, WaitForRisingEdge}; +use example_common::*; + +#[embassy::main] +async fn main(_spawner: Spawner, p: Peripherals) { + info!("Hello World!"); + + let button = Input::new(p.PC13, Pull::Down); + let mut button = ExtiInput::new(button, p.EXTI13); + + info!("Press the USER button..."); + + loop { + button.wait_for_rising_edge().await; + info!("Pressed!"); + button.wait_for_falling_edge().await; + info!("Released!"); + } +} diff --git a/examples/stm32f7/src/bin/hello.rs b/examples/stm32f7/src/bin/hello.rs new file mode 100644 index 000000000..56eb67bf3 --- /dev/null +++ b/examples/stm32f7/src/bin/hello.rs @@ -0,0 +1,27 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +use defmt::info; +use embassy::executor::Spawner; +use embassy::time::{Duration, Timer}; +use embassy_stm32::time::Hertz; +use embassy_stm32::Config; +use embassy_stm32::Peripherals; + +#[path = "../example_common.rs"] +mod example_common; + +fn config() -> Config { + let mut config = Config::default(); + config.rcc.sys_ck = Some(Hertz(84_000_000)); + config +} + +#[embassy::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/example_common.rs b/examples/stm32f7/src/example_common.rs new file mode 100644 index 000000000..54d633837 --- /dev/null +++ b/examples/stm32f7/src/example_common.rs @@ -0,0 +1,17 @@ +#![macro_use] + +use defmt_rtt as _; // global logger +use panic_probe as _; + +pub use defmt::*; + +use core::sync::atomic::{AtomicUsize, Ordering}; + +defmt::timestamp! {"{=u64}", { + static COUNT: AtomicUsize = AtomicUsize::new(0); + // NOTE(no-CAS) `timestamps` runs with interrupts disabled + let n = COUNT.load(Ordering::Relaxed); + COUNT.store(n + 1, Ordering::Relaxed); + n as u64 + } +} -- cgit