58 lines
1.6 KiB
Rust
58 lines
1.6 KiB
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_executor::_export::StaticCell;
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use embassy_rp::interrupt;
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use embassy_rp::peripherals::UART0;
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use embassy_rp::uart::{BufferedUart, BufferedUartRx, Config};
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use embassy_time::{Duration, Timer};
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use embedded_io::asynch::{Read, Write};
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use {defmt_rtt as _, panic_probe as _};
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macro_rules! singleton {
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($val:expr) => {{
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type T = impl Sized;
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static STATIC_CELL: StaticCell<T> = StaticCell::new();
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let (x,) = STATIC_CELL.init(($val,));
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x
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}};
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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_rp::init(Default::default());
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let (tx_pin, rx_pin, uart) = (p.PIN_0, p.PIN_1, p.UART0);
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let irq = interrupt::take!(UART0_IRQ);
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let tx_buf = &mut singleton!([0u8; 16])[..];
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let rx_buf = &mut singleton!([0u8; 16])[..];
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let uart = BufferedUart::new(uart, irq, tx_pin, rx_pin, tx_buf, rx_buf, Config::default());
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let (rx, mut tx) = uart.split();
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unwrap!(spawner.spawn(reader(rx)));
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info!("Writing...");
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loop {
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let data = [
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1u8, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28,
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29, 30, 31,
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];
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info!("TX {:?}", data);
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tx.write_all(&data).await.unwrap();
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Timer::after(Duration::from_secs(1)).await;
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}
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}
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#[embassy_executor::task]
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async fn reader(mut rx: BufferedUartRx<'static, UART0>) {
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info!("Reading...");
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loop {
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let mut buf = [0; 31];
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rx.read_exact(&mut buf).await.unwrap();
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info!("RX {:?}", buf);
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}
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}
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