embassy/examples/nrf/src/bin/uart_idle.rs

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#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
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use embassy::executor::Spawner;
use embassy_nrf::{interrupt, uarte, Peripherals};
use defmt_rtt as _; // global logger
use 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 config = uarte::Config::default();
config.parity = uarte::Parity::EXCLUDED;
config.baudrate = uarte::Baudrate::BAUD115200;
let irq = interrupt::take!(UARTE0_UART0);
let mut uart = uarte::UarteWithIdle::new(
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p.UARTE0, p.TIMER0, p.PPI_CH0, p.PPI_CH1, irq, p.P0_08, p.P0_06, config,
);
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info!("uarte initialized!");
// Message must be in SRAM
let mut buf = [0; 8];
buf.copy_from_slice(b"Hello!\r\n");
unwrap!(uart.write(&buf).await);
info!("wrote hello in uart!");
loop {
info!("reading...");
let n = unwrap!(uart.read_until_idle(&mut buf).await);
info!("got {} bytes", n);
}
}