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stm32/spi: add blocking rxonly test.

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This commit is contained in:
Dario Nieuwenhuis 2024-05-31 21:49:33 +02:00
parent da197b6016
commit f594ddceec
1 changed files with 25 additions and 7 deletions
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32
tests/stm32/src/bin/spi.rs
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@ -6,6 +6,7 @@ mod common;
use common::*;
use defmt::assert_eq;
use embassy_executor::Spawner;
use embassy_stm32::gpio::{Level, Output, Speed};
use embassy_stm32::spi::{self, Spi};
use embassy_stm32::time::Hertz;
@ -14,18 +15,19 @@ async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(config());
info!("Hello World!");
let spi = peri!(p, SPI);
let sck = peri!(p, SPI_SCK);
let mosi = peri!(p, SPI_MOSI);
let miso = peri!(p, SPI_MISO);
let mut spi_peri = peri!(p, SPI);
let mut sck = peri!(p, SPI_SCK);
let mut mosi = peri!(p, SPI_MOSI);
let mut miso = peri!(p, SPI_MISO);
let mut spi_config = spi::Config::default();
spi_config.frequency = Hertz(1_000_000);
let mut spi = Spi::new_blocking(
spi, sck, // Arduino D13
mosi, // Arduino D11
miso, // Arduino D12
&mut spi_peri,
&mut sck, // Arduino D13
&mut mosi, // Arduino D11
&mut miso, // Arduino D12
spi_config,
);
@ -66,6 +68,22 @@ async fn main(_spawner: Spawner) {
defmt::assert!(!embassy_stm32::pac::RCC.apb2enr().read().spi1en());
}
#[cfg(not(feature = "stm32f429zi"))]
core::mem::drop(spi);
// test rx-only configuration
let mut spi = Spi::new_blocking_rxonly(&mut spi_peri, &mut sck, &mut miso, spi_config);
let mut mosi = Output::new(&mut mosi, Level::Low, Speed::VeryHigh);
mosi.set_high();
spi.blocking_read(&mut buf).unwrap();
assert_eq!(buf, [0xff; 9]);
mosi.set_low();
spi.blocking_read(&mut buf).unwrap();
assert_eq!(buf, [0x00; 9]);
info!("Test OK");
cortex_m::asm::bkpt();
}