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#![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 defmt::panic;
use embassy::executor::Spawner;
use embassy::io::{AsyncBufReadExt, AsyncWriteExt};
use embassy_nrf::gpio::NoPin;
use embassy_nrf::{buffered_uarte::BufferedUarte, interrupt, uarte, Peripherals};
use example_common::*;
use futures::pin_mut;
#[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 mut tx_buffer = [0u8; 4096];
let mut rx_buffer = [0u8; 4096];
let irq = interrupt::take!(UARTE0_UART0);
let u = unsafe {
BufferedUarte::new(
p.UARTE0,
p.TIMER0,
p.PPI_CH0,
p.PPI_CH1,
irq,
p.P0_08,
p.P0_06,
NoPin,
NoPin,
config,
&mut rx_buffer,
&mut tx_buffer,
)
};
pin_mut!(u);
info!("uarte initialized!");
unwrap!(u.write_all(b"Hello!\r\n").await);
info!("wrote hello in uart!");
// Simple demo, reading 8-char chunks and echoing them back reversed.
loop {
info!("reading...");
let mut buf = [0u8; 8];
unwrap!(u.read_exact(&mut buf).await);
info!("read done, got {}", buf);
// Reverse buf
for i in 0..4 {
buf.swap(i, 7 - i);
}
info!("writing...");
unwrap!(u.write_all(&buf).await);
info!("write done");
}
}
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