75 lines
1.8 KiB
Rust
75 lines
1.8 KiB
Rust
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#![no_std]
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#![no_main]
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#![feature(type_alias_impl_trait)]
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use defmt::{assert_eq, *};
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use embassy_executor::Spawner;
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use embassy_futures::join::join;
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use embassy_nrf::buffered_uarte::BufferedUarte;
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use embassy_nrf::{interrupt, uarte};
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use {defmt_rtt as _, panic_probe as _};
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#[embassy_executor::main]
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async fn main(_spawner: Spawner) {
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let p = embassy_nrf::init(Default::default());
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let mut config = uarte::Config::default();
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config.parity = uarte::Parity::EXCLUDED;
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config.baudrate = uarte::Baudrate::BAUD1M;
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let mut tx_buffer = [0u8; 1024];
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let mut rx_buffer = [0u8; 1024];
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let mut u = BufferedUarte::new(
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p.UARTE0,
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p.TIMER0,
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p.PPI_CH0,
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p.PPI_CH1,
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p.PPI_GROUP0,
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interrupt::take!(UARTE0_UART0),
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p.P1_03,
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p.P1_02,
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config.clone(),
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&mut rx_buffer,
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&mut tx_buffer,
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);
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info!("uarte initialized!");
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let (mut rx, mut tx) = u.split();
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const COUNT: usize = 40_000;
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let tx_fut = async {
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let mut tx_buf = [0; 215];
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let mut i = 0;
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while i < COUNT {
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let n = tx_buf.len().min(COUNT - i);
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let tx_buf = &mut tx_buf[..n];
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for (j, b) in tx_buf.iter_mut().enumerate() {
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*b = (i + j) as u8;
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}
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let n = unwrap!(tx.write(tx_buf).await);
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i += n;
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}
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};
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let rx_fut = async {
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let mut i = 0;
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while i < COUNT {
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let buf = unwrap!(rx.fill_buf().await);
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for &b in buf {
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assert_eq!(b, i as u8);
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i = i + 1;
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}
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let n = buf.len();
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rx.consume(n);
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}
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};
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join(rx_fut, tx_fut).await;
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info!("Test OK");
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cortex_m::asm::bkpt();
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}
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