stm32/tests: add spi

This commit is contained in:
Dario Nieuwenhuis 2021-12-07 05:01:01 +01:00
parent a14c4f49c4
commit fa36fa2808

View File

@ -0,0 +1,46 @@
#![no_std]
#![no_main]
#![feature(type_alias_impl_trait)]
#[path = "../example_common.rs"]
mod example_common;
use defmt::assert_eq;
use embassy::executor::Spawner;
use embassy_stm32::dma::NoDma;
use embassy_stm32::spi::{self, Spi};
use embassy_stm32::time::Hertz;
use embassy_stm32::Peripherals;
use embedded_hal::blocking::spi::Transfer;
use example_common::*;
#[embassy::main(config = "config()")]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
#[cfg(not(feature = "stm32h755zi"))]
let (sck, mosi, miso) = (p.PA5, p.PA7, p.PA6);
#[cfg(feature = "stm32h755zi")]
let (sck, mosi, miso) = (p.PA5, p.PB5, p.PA6);
let mut spi = Spi::new(
p.SPI1,
sck, // Arduino D13
mosi, // Arduino D11
miso, // Arduino D12
NoDma,
NoDma,
Hertz(1_000_000),
spi::Config::default(),
);
let data: [u8; 9] = [0x00, 0xFF, 0xAA, 0x55, 0xC0, 0xFF, 0xEE, 0xC0, 0xDE];
// Arduino pins D11 and D12 (MOSI-MISO) are connected together with a 1K resistor.
// so we should get the data we sent back.
let mut buf = data;
spi.transfer(&mut buf).unwrap();
assert_eq!(buf, data);
info!("Test OK");
cortex_m::asm::bkpt();
}