embassy/tests/nrf/src/bin/spim.rs
2024-11-04 00:47:31 +01:00

43 lines
1.1 KiB
Rust

// required-features: easydma
#![no_std]
#![no_main]
#[path = "../common.rs"]
mod common;
use defmt::{assert_eq, *};
use embassy_executor::Spawner;
use embassy_nrf::spim::Spim;
use embassy_nrf::{peripherals, spim};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let mut p = embassy_nrf::init(Default::default());
let mut config = spim::Config::default();
config.frequency = spim::Frequency::M1;
let mut spim = Spim::new(
&mut peri!(p, SPIM0),
irqs!(SPIM0),
&mut peri!(p, PIN_X),
&mut peri!(p, PIN_A), // MISO
&mut peri!(p, PIN_B), // MOSI
config.clone(),
);
let data = [
0x42, 0x43, 0x44, 0x45, 0x66, 0x12, 0x23, 0x34, 0x45, 0x19, 0x91, 0xaa, 0xff, 0xa5, 0x5a, 0x77,
];
let mut buf = [0u8; 16];
buf.fill(0);
spim.blocking_transfer(&mut buf, &data).unwrap();
assert_eq!(data, buf);
buf.fill(0);
spim.transfer(&mut buf, &data).await.unwrap();
assert_eq!(data, buf);
info!("Test OK");
cortex_m::asm::bkpt();
}