NaxdyOrg/embassy
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This commit is contained in:
Robert Walker 2021-12-29 08:17:51 +01:00
parent 4271226fc0
commit 1028b5c671
1 changed files with 5 additions and 21 deletions
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26
examples/stm32f7/src/bin/usart_dma.rs
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@ -5,20 +5,17 @@
#[path = "../example_common.rs"]
mod example_common;
use core::fmt::Write;
use embassy::executor::Executor;
use embassy::util::Forever;
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 _Write;
use example_common::*;
use cortex_m_rt::entry;
use heapless::String;
#[embassy::task]
async fn main_task() {
let p = embassy_stm32::init(Default::default());
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
let config = Config::default();
let mut usart = Uart::new(p.UART7, p.PA8, p.PA15, p.DMA1_CH1, NoDma, config);
@ -26,21 +23,8 @@ async fn main_task() {
let mut s: String<128> = String::new();
core::write!(&mut s, "Hello DMA World {}!\r\n", n).unwrap();
usart.write(s.as_bytes()).await.ok();
unwrap!(usart.write(s.as_bytes()).await);
info!("wrote DMA");
}
}
static EXECUTOR: Forever<Executor> = Forever::new();
#[entry]
fn main() -> ! {
info!("Hello World!");
let executor = EXECUTOR.put(Executor::new());
executor.run(|spawner| {
unwrap!(spawner.spawn(main_task()));
})
}