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stm32/tests: add uart, uart_dma tests.

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This commit is contained in:
Dario Nieuwenhuis 2021-12-08 05:43:39 +01:00
parent 1c651e2b44
commit ff5583fc73
2 changed files with 106 additions and 0 deletions
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53
tests/stm32/src/bin/usart.rs Normal file
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#![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::usart::{Config, Uart};
use embassy_stm32::Peripherals;
use embedded_hal::blocking::serial::Write;
use example_common::*;
#[embassy::main(config = "config()")]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
#[cfg(feature = "stm32wb55rg")]
{
info!("Test SKIPPED");
cortex_m::asm::bkpt();
}
// Arduino pins D0 and D1
// They're connected together with a 1K resistor.
#[cfg(feature = "stm32g491re")]
let (tx, rx, usart) = (p.PC4, p.PC5, p.USART1);
#[cfg(feature = "stm32g071rb")]
let (tx, rx, usart) = (p.PC4, p.PC5, p.USART1);
#[cfg(feature = "stm32f429zi")]
let (tx, rx, usart) = (p.PG14, p.PG9, p.USART6);
#[cfg(feature = "stm32wb55rg")]
let (tx, rx, usart) = (p.PA9, p.PA10, p.USART1); // TODO this is wrong
#[cfg(feature = "stm32h755zi")]
let (tx, rx, usart) = (p.PB6, p.PB7, p.USART1);
let config = Config::default();
let mut usart = Uart::new(usart, rx, tx, NoDma, NoDma, config);
// We can't send too many bytes, they have to fit in the FIFO.
// This is because we aren't sending+receiving at the same time.
let data = [0xC0, 0xDE];
usart.bwrite_all(&data).unwrap();
let mut buf = [0; 2];
usart.read_blocking(&mut buf).unwrap();
assert_eq!(buf, data);
info!("Test OK");
cortex_m::asm::bkpt();
}

53
tests/stm32/src/bin/usart_dma.rs Normal file
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#![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::usart::{Config, Uart};
use embassy_stm32::Peripherals;
use embassy_traits::uart::{Read, Write};
use example_common::*;
#[embassy::main(config = "config()")]
async fn main(_spawner: Spawner, p: Peripherals) {
info!("Hello World!");
#[cfg(feature = "stm32wb55rg")]
{
info!("Test SKIPPED");
cortex_m::asm::bkpt();
}
// Arduino pins D0 and D1
// They're connected together with a 1K resistor.
#[cfg(feature = "stm32g491re")]
let (tx, rx, usart, tx_dma, rx_dma) = (p.PC4, p.PC5, p.USART1, p.DMA1_CH0, p.DMA1_CH1);
#[cfg(feature = "stm32g071rb")]
let (tx, rx, usart, tx_dma, rx_dma) = (p.PC4, p.PC5, p.USART1, p.DMA1_CH0, p.DMA1_CH1);
#[cfg(feature = "stm32f429zi")]
let (tx, rx, usart, tx_dma, rx_dma) = (p.PG14, p.PG9, p.USART6, p.DMA2_CH6, p.DMA2_CH1);
#[cfg(feature = "stm32wb55rg")]
let (tx, rx, usart, tx_dma, rx_dma) = (p.PA9, p.PA10, p.USART1, p.DMA1_CH0, p.DMA1_CH1); // TODO this is wrong
#[cfg(feature = "stm32h755zi")]
let (tx, rx, usart, tx_dma, rx_dma) = (p.PB6, p.PB7, p.USART1, p.DMA1_CH0, p.DMA1_CH1);
let config = Config::default();
let mut usart = Uart::new(usart, rx, tx, tx_dma, rx_dma, config);
// We can't send too many bytes, they have to fit in the FIFO.
// This is because we aren't sending+receiving at the same time.
// For whatever reason, blocking works with 2 bytes but DMA only with 1??
let data = [0x42];
usart.write(&data).await.unwrap();
let mut buf = [0; 1];
usart.read(&mut buf).await.unwrap();
assert_eq!(buf, data);
info!("Test OK");
cortex_m::asm::bkpt();
}