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// required-features: easydma
#![no_std]
#![no_main]
#[path = "../common.rs"]
mod common;
use defmt::{panic, *};
use embassy_executor::Spawner;
use embassy_futures::join::join;
use embassy_nrf::buffered_uarte::{self, BufferedUarte};
use embassy_nrf::{peripherals, uarte};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let mut p = embassy_nrf::init(Default::default());
let mut config = uarte::Config::default();
config.parity = uarte::Parity::EXCLUDED;
config.baudrate = uarte::Baudrate::BAUD1M;
let mut tx_buffer = [0u8; 1024];
let mut rx_buffer = [0u8; 1024];
// test teardown + recreate of the buffereduarte works fine.
for _ in 0..2 {
let u = BufferedUarte::new(
peri!(p, UART0).reborrow(),
p.TIMER0.reborrow(),
p.PPI_CH0.reborrow(),
p.PPI_CH1.reborrow(),
p.PPI_GROUP0.reborrow(),
peri!(p, PIN_A).reborrow(),
peri!(p, PIN_B).reborrow(),
irqs!(UART0_BUFFERED),
config.clone(),
&mut rx_buffer,
&mut tx_buffer,
);
info!("uarte initialized!");
let (mut rx, mut tx) = u.split();
const COUNT: usize = 40_000;
let tx_fut = async {
let mut tx_buf = [0; 215];
let mut i = 0;
while i < COUNT {
let n = tx_buf.len().min(COUNT - i);
let tx_buf = &mut tx_buf[..n];
for (j, b) in tx_buf.iter_mut().enumerate() {
*b = (i + j) as u8;
}
let n = unwrap!(tx.write(tx_buf).await);
i += n;
}
};
let rx_fut = async {
let mut i = 0;
while i < COUNT {
let buf = unwrap!(rx.fill_buf().await);
for &b in buf {
if b != i as u8 {
panic!("mismatch {} vs {}, index {}", b, i as u8, i);
}
i = i + 1;
}
let n = buf.len();
rx.consume(n);
}
};
join(rx_fut, tx_fut).await;
}
info!("Test OK");
cortex_m::asm::bkpt();
}
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