29 lines
733 B
Rust
29 lines
733 B
Rust
|
#![no_std]
|
||
|
|
#![no_main]
|
||
|
|
#![feature(type_alias_impl_trait)]
|
||
|
|
|
||
|
|
use defmt::{assert_eq, *};
|
||
|
|
use embassy_executor::Spawner;
|
||
|
|
use embassy_rp::spi::{Blocking, Config, Spi};
|
||
|
|
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 clk = p.PIN_2;
|
||
|
|
let mosi = p.PIN_3;
|
||
|
|
let miso = p.PIN_4;
|
||
|
|
|
||
|
|
let mut spi: Spi<'_, _, Blocking> = Spi::new_blocking(p.SPI0, clk, mosi, miso, Config::default());
|
||
|
|
|
||
|
|
let tx_buf = [1_u8, 2, 3, 4, 5, 6];
|
||
|
|
let mut rx_buf = [0_u8; 6];
|
||
|
|
spi.blocking_transfer(&mut rx_buf, &tx_buf).unwrap();
|
||
|
|
assert_eq!(rx_buf, tx_buf);
|
||
|
|
|
||
|
|
info!("Test OK");
|
||
|
|
cortex_m::asm::bkpt();
|
||
|
|
}
|