24 lines
630 B
Rust
24 lines
630 B
Rust
#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::*;
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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::Peripherals;
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use {defmt_rtt as _, panic_probe as _};
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#[embassy::main]
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async fn main(_spawner: Spawner, p: Peripherals) {
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let mut usart = Uart::new(p.USART1, p.PB7, p.PB6, p.DMA1_CH2, p.DMA1_CH3, Config::default());
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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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