embassy/examples/nrf/src/bin/uart.rs
2021-06-02 01:32:19 +02:00

43 lines
1.1 KiB
Rust

#![no_std]
#![no_main]
#![feature(min_type_alias_impl_trait)]
#![feature(impl_trait_in_bindings)]
#![feature(type_alias_impl_trait)]
#![allow(incomplete_features)]
#[path = "../example_common.rs"]
mod example_common;
use example_common::*;
use defmt::panic;
use embassy::executor::Spawner;
use embassy::traits::uart::{Read, Write};
use embassy_nrf::gpio::NoPin;
use embassy_nrf::{interrupt, uarte, Peripherals};
#[embassy::main]
async fn main(_spawner: Spawner, p: Peripherals) {
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 =
unsafe { uarte::Uarte::new(p.UARTE0, irq, p.P0_08, p.P0_06, NoPin, NoPin, 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);
}
}