embassy/examples/nrf/src/bin/uart_idle.rs
2022-08-17 22:16:46 +02:00

35 lines
964 B
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::executor::Spawner;
use embassy_nrf::{interrupt, uarte};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_nrf::init(Default::default());
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(p.UARTE0, p.TIMER0, p.PPI_CH0, p.PPI_CH1, irq, p.P0_08, p.P0_06, config);
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);
}
}