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//! This example shows how to use SPI (Serial Peripheral Interface) in the RP2040 chip.
//! No specific hardware is specified in this example. If you connect pin 11 and 12 you should get the same data back.
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
use defmt::*;
use embassy_executor::Spawner;
use embassy_rp::spi::{Config, Spi};
use embassy_time::{Duration, Timer};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_rp::init(Default::default());
info!("Hello World!");
let miso = p.PIN_12;
let mosi = p.PIN_11;
let clk = p.PIN_10;
let mut spi = Spi::new(p.SPI1, clk, mosi, miso, p.DMA_CH0, p.DMA_CH1, Config::default());
loop {
let tx_buf = [1_u8, 2, 3, 4, 5, 6];
let mut rx_buf = [0_u8; 6];
spi.transfer(&mut rx_buf, &tx_buf).await.unwrap();
info!("{:?}", rx_buf);
Timer::after(Duration::from_secs(1)).await;
}
}
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