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//! test TX-only and RX-only UARTs. You need to connect GPIO0 to GPIO5 for
//! this to work
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_rp::interrupt;
use embassy_rp::peripherals::UART1;
use embassy_rp::uart::{Async, Config, UartRx, UartTx};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(spawner: Spawner) {
let p = embassy_rp::init(Default::default());
let mut uart_tx = UartTx::new(p.UART0, p.PIN_0, p.DMA_CH0, Config::default());
let uart_rx = UartRx::new(
p.UART1,
p.PIN_5,
interrupt::take!(UART1_IRQ),
p.DMA_CH1,
Config::default(),
);
unwrap!(spawner.spawn(reader(uart_rx)));
info!("Writing...");
loop {
let data = [1u8, 2, 3, 4, 5, 6, 7, 8];
info!("TX {:?}", data);
uart_tx.write(&data).await.unwrap();
Timer::after(Duration::from_secs(1)).await;
}
}
#[embassy_executor::task]
async fn reader(mut rx: UartRx<'static, UART1, Async>) {
info!("Reading...");
loop {
// read a total of 4 transmissions (32 / 8) and then print the result
let mut buf = [0; 32];
rx.read(&mut buf).await.unwrap();
info!("RX {:?}", buf);
}
}
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