31 lines
827 B
Rust
31 lines
827 B
Rust
#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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#[path = "../example_common.rs"]
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mod example_common;
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use embassy::executor::Spawner;
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use embassy::traits::adapter::BlockingAsync;
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use embassy_stm32::dma::NoDma;
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use embassy_stm32::usart::{Config, Uart};
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use embassy_stm32::Peripherals;
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use embedded_hal_async::serial::{Read, Write};
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use example_common::*;
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#[embassy::main]
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async fn main(_spawner: Spawner, p: Peripherals) {
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let config = Config::default();
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let usart = Uart::new(p.UART4, p.PA1, p.PA0, NoDma, NoDma, config);
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let mut usart = BlockingAsync::new(usart);
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unwrap!(usart.write(b"Hello Embassy World!\r\n").await);
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info!("wrote Hello, starting echo");
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let mut buf = [0u8; 1];
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loop {
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unwrap!(usart.read(&mut buf).await);
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unwrap!(usart.write(&buf).await);
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}
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}
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