35 lines
999 B
Rust
35 lines
999 B
Rust
#![no_std]
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#![no_main]
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use defmt::*;
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use embassy_executor::Spawner;
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use embassy_stm32::usart::{BufferedUart, Config};
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use embassy_stm32::{bind_interrupts, peripherals, usart};
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use embedded_io_async::{Read, Write};
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use {defmt_rtt as _, panic_probe as _};
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bind_interrupts!(struct Irqs {
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USART1 => usart::BufferedInterruptHandler<peripherals::USART1>;
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});
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_stm32::init(Default::default());
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info!("Hi!");
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let mut config = Config::default();
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config.baudrate = 115200;
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let mut tx_buf = [0u8; 256];
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let mut rx_buf = [0u8; 256];
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let mut usart = BufferedUart::new(p.USART1, Irqs, p.PB7, p.PB6, &mut tx_buf, &mut rx_buf, config).unwrap();
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usart.write_all(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; 4];
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loop {
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usart.read_exact(&mut buf[..]).await.unwrap();
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usart.write_all(&buf[..]).await.unwrap();
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}
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}
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