From a65c2bc2b43d82d5c0b5c192d68ef10f63901750 Mon Sep 17 00:00:00 2001 From: VasanthakumarV Date: Sat, 11 Dec 2021 21:51:14 +0530 Subject: [examples] Add examples for STM32F3 --- examples/stm32f3/src/bin/blinky.rs | 30 ++++++++++++++++++++++++ examples/stm32f3/src/bin/button.rs | 33 ++++++++++++++++++++++++++ examples/stm32f3/src/bin/button_exti.rs | 29 +++++++++++++++++++++++ examples/stm32f3/src/bin/hello.rs | 28 ++++++++++++++++++++++ examples/stm32f3/src/bin/spi_dma.rs | 41 +++++++++++++++++++++++++++++++++ examples/stm32f3/src/bin/usart_dma.rs | 30 ++++++++++++++++++++++++ 6 files changed, 191 insertions(+) create mode 100644 examples/stm32f3/src/bin/blinky.rs create mode 100644 examples/stm32f3/src/bin/button.rs create mode 100644 examples/stm32f3/src/bin/button_exti.rs create mode 100644 examples/stm32f3/src/bin/hello.rs create mode 100644 examples/stm32f3/src/bin/spi_dma.rs create mode 100644 examples/stm32f3/src/bin/usart_dma.rs (limited to 'examples/stm32f3/src/bin') diff --git a/examples/stm32f3/src/bin/blinky.rs b/examples/stm32f3/src/bin/blinky.rs new file mode 100644 index 00000000..32164355 --- /dev/null +++ b/examples/stm32f3/src/bin/blinky.rs @@ -0,0 +1,30 @@ +#![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.PE12, Level::High, Speed::Low); + + loop { + info!("high"); + unwrap!(led.set_high()); + Timer::after(Duration::from_millis(1000)).await; + + info!("low"); + unwrap!(led.set_low()); + Timer::after(Duration::from_millis(1000)).await; + } +} diff --git a/examples/stm32f3/src/bin/button.rs b/examples/stm32f3/src/bin/button.rs new file mode 100644 index 00000000..c5fab138 --- /dev/null +++ b/examples/stm32f3/src/bin/button.rs @@ -0,0 +1,33 @@ +#![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.PA0, Pull::Down); + let mut led1 = Output::new(p.PE9, Level::High, Speed::Low); + let mut led2 = Output::new(p.PE15, Level::High, Speed::Low); + + loop { + if unwrap!(button.is_high()) { + info!("high"); + unwrap!(led1.set_high()); + unwrap!(led2.set_low()); + } else { + info!("low"); + unwrap!(led1.set_low()); + unwrap!(led2.set_high()); + } + } +} diff --git a/examples/stm32f3/src/bin/button_exti.rs b/examples/stm32f3/src/bin/button_exti.rs new file mode 100644 index 00000000..d45e4365 --- /dev/null +++ b/examples/stm32f3/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.PA0, Pull::Down); + let mut button = ExtiInput::new(button, p.EXTI0); + + 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/stm32f3/src/bin/hello.rs b/examples/stm32f3/src/bin/hello.rs new file mode 100644 index 00000000..9a67419f --- /dev/null +++ b/examples/stm32f3/src/bin/hello.rs @@ -0,0 +1,28 @@ +#![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.hse = Some(Hertz(8_000_000)); + config.rcc.sysclk = Some(Hertz(16_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/stm32f3/src/bin/spi_dma.rs b/examples/stm32f3/src/bin/spi_dma.rs new file mode 100644 index 00000000..a87a36f7 --- /dev/null +++ b/examples/stm32f3/src/bin/spi_dma.rs @@ -0,0 +1,41 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; +use core::fmt::Write; +use core::str::from_utf8; +use embassy::executor::Spawner; +use embassy_stm32::spi::{Config, Spi}; +use embassy_stm32::time::Hertz; +use embassy_stm32::Peripherals; +use embassy_traits::spi::FullDuplex; +use example_common::*; +use heapless::String; + +#[embassy::main] +async fn main(_spawner: Spawner, p: Peripherals) { + info!("Hello World!"); + + let mut spi = Spi::new( + p.SPI1, + p.PB3, + p.PB5, + p.PB4, + p.DMA1_CH3, + p.DMA1_CH2, + Hertz(1_000_000), + Config::default(), + ); + + for n in 0u32.. { + let mut write: String<128> = String::new(); + let mut read = [0; 128]; + core::write!(&mut write, "Hello DMA World {}!\r\n", n).unwrap(); + spi.read_write(&mut read[0..write.len()], write.as_bytes()) + .await + .ok(); + info!("read via spi+dma: {}", from_utf8(&read).unwrap()); + } +} diff --git a/examples/stm32f3/src/bin/usart_dma.rs b/examples/stm32f3/src/bin/usart_dma.rs new file mode 100644 index 00000000..99530b5c --- /dev/null +++ b/examples/stm32f3/src/bin/usart_dma.rs @@ -0,0 +1,30 @@ +#![no_std] +#![no_main] +#![feature(type_alias_impl_trait)] + +#[path = "../example_common.rs"] +mod example_common; +use core::fmt::Write; +use embassy::executor::Spawner; +use embassy_stm32::dma::NoDma; +use embassy_stm32::usart::{Config, Uart}; +use embassy_stm32::Peripherals; +use embassy_traits::uart::Write as _; +use example_common::*; +use heapless::String; + +#[embassy::main] +async fn main(_spawner: Spawner, p: Peripherals) { + info!("Hello World!"); + + let config = Config::default(); + let mut usart = Uart::new(p.USART1, p.PE1, p.PE0, p.DMA1_CH4, NoDma, config); + + for n in 0u32.. { + let mut s: String<128> = String::new(); + core::write!(&mut s, "Hello DMA World {}!\r\n", n).unwrap(); + + unwrap!(usart.write(s.as_bytes()).await); + info!("wrote DMA"); + } +} -- cgit v1.2.3