40 lines
905 B
Rust
40 lines
905 B
Rust
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#![no_std]
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#![no_main]
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#![feature(trait_alias)]
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#![feature(type_alias_impl_trait)]
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#![allow(incomplete_features)]
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#[path = "../example_common.rs"]
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mod example_common;
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use example_common::*;
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use embassy::executor::Spawner;
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use embassy_stm32::usart::{Config, Uart};
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use embassy_stm32::{rcc, Peripherals};
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use embassy_traits::uart::{Read, Write};
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#[embassy::main]
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async fn main(_spawner: Spawner, mut p: Peripherals) {
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let mut rcc = rcc::Rcc::new(p.RCC);
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rcc.enable_debug_wfe(&mut p.DBGMCU, true);
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let mut usart = Uart::new(
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p.USART1,
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p.PB7,
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p.PB6,
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p.DMA1_CH2,
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p.DMA1_CH3,
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Config::default(),
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);
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usart.write(b"Hello Embassy World!\r\n").await.unwrap();
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info!("wrote Hello, starting echo");
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let mut buf = [0; 1];
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loop {
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usart.read(&mut buf[..]).await.unwrap();
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usart.write(&buf[..]).await.unwrap();
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}
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}
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