48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
//! test TX-only and RX-only UARTs. You need to connect GPIO0 to GPIO5 for
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//! this to work
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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::*;
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use embassy_executor::Spawner;
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use embassy_rp::bind_interrupts;
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use embassy_rp::peripherals::UART1;
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use embassy_rp::uart::{Async, Config, InterruptHandler, UartRx, UartTx};
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use embassy_time::{Duration, Timer};
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use {defmt_rtt as _, panic_probe as _};
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bind_interrupts!(struct Irqs {
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UART1_IRQ => InterruptHandler<UART1>;
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});
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#[embassy_executor::main]
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async fn main(spawner: Spawner) {
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let p = embassy_rp::init(Default::default());
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let mut uart_tx = UartTx::new(p.UART0, p.PIN_0, p.DMA_CH0, Config::default());
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let uart_rx = UartRx::new(p.UART1, p.PIN_5, Irqs, p.DMA_CH1, Config::default());
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unwrap!(spawner.spawn(reader(uart_rx)));
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info!("Writing...");
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loop {
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let data = [1u8, 2, 3, 4, 5, 6, 7, 8];
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info!("TX {:?}", data);
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uart_tx.write(&data).await.unwrap();
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Timer::after(Duration::from_secs(1)).await;
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}
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}
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#[embassy_executor::task]
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async fn reader(mut rx: UartRx<'static, UART1, Async>) {
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info!("Reading...");
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loop {
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// read a total of 4 transmissions (32 / 8) and then print the result
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let mut buf = [0; 32];
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rx.read(&mut buf).await.unwrap();
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info!("RX {:?}", buf);
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}
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}
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