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#![no_std]
#![no_main]
#[cfg(feature = "rp2040")]
teleprobe_meta::target!(b"rpi-pico");
#[cfg(feature = "rp235xb")]
teleprobe_meta::target!(b"pimoroni-pico-plus-2");
use defmt::{assert_eq, *};
use embassy_executor::Spawner;
use embassy_rp::bind_interrupts;
use embassy_rp::peripherals::UART0;
use embassy_rp::uart::{BufferedInterruptHandler, Config, Uart};
use embedded_io_async::{Read, Write};
use {defmt_rtt as _, panic_probe as _};
bind_interrupts!(struct Irqs {
UART0_IRQ => BufferedInterruptHandler<UART0>;
});
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_rp::init(Default::default());
info!("Hello World!");
let (tx, rx, uart) = (p.PIN_0, p.PIN_1, p.UART0);
let config = Config::default();
let mut uart = Uart::new_blocking(uart, tx, rx, config);
// We can't send too many bytes, they have to fit in the FIFO.
// This is because we aren't sending+receiving at the same time.
let data = [0xC0, 0xDE];
uart.blocking_write(&data).unwrap();
let mut buf = [0; 2];
uart.blocking_read(&mut buf).unwrap();
assert_eq!(buf, data);
let tx_buf = &mut [0u8; 16];
let rx_buf = &mut [0u8; 16];
let mut uart = uart.into_buffered(Irqs, tx_buf, rx_buf);
// Make sure we send more bytes than fits in the FIFO, to test the actual
// bufferedUart.
let data = [
1u8, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
30, 31,
];
uart.write_all(&data).await.unwrap();
info!("Done writing");
let mut buf = [0; 31];
uart.read_exact(&mut buf).await.unwrap();
assert_eq!(buf, data);
info!("Test OK");
cortex_m::asm::bkpt();
}
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