embassy/examples/nrf52840/src/bin/uart.rs
2023-03-06 00:17:51 +01:00

39 lines
1007 B
Rust

#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_nrf::{bind_interrupts, peripherals, uarte};
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
UARTE0_UART0 => uarte::InterruptHandler<peripherals::UARTE0>;
});
#[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 mut uart = uarte::Uarte::new(p.UARTE0, Irqs, 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...");
unwrap!(uart.read(&mut buf).await);
info!("writing...");
unwrap!(uart.write(&buf).await);
}
}