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stm32: Add support for read_until_idle on UART

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This commit is contained in:
Guillaume MICHEL
2022-10-26 18:58:22 +02:00
committed by Dario Nieuwenhuis
parent ff76fde299
commit 9cac649fcf
16 changed files with 500 additions and 68 deletions
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4
examples/stm32l0/src/bin/usart_dma.rs
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@ -4,13 +4,15 @@
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::interrupt;
use embassy_stm32::usart::{Config, Uart};
use {defmt_rtt as _, panic_probe as _};
#[embassy_executor::main]
async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
let mut usart = Uart::new(p.USART1, p.PB7, p.PB6, p.DMA1_CH2, p.DMA1_CH3, Config::default());
let irq = interrupt::take!(USART1);
let mut usart = Uart::new(p.USART1, p.PB7, p.PB6, irq, p.DMA1_CH2, p.DMA1_CH3, Config::default());
usart.write(b"Hello Embassy World!\r\n").await.unwrap();
info!("wrote Hello, starting echo");

12
examples/stm32l0/src/bin/usart_irq.rs
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@ -4,9 +4,8 @@
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::dma::NoDma;
use embassy_stm32::interrupt;
use embassy_stm32::usart::{BufferedUart, Config, State, Uart};
use embassy_stm32::usart::{BufferedUart, Config, State};
use embedded_io::asynch::{Read, Write};
use {defmt_rtt as _, panic_probe as _};
@ -21,15 +20,18 @@ async fn main(_spawner: Spawner) {
let mut config = Config::default();
config.baudrate = 9600;
let usart = Uart::new(p.USART2, p.PA3, p.PA2, NoDma, NoDma, config);
let mut state = State::new();
let irq = interrupt::take!(USART2);
let mut usart = unsafe {
BufferedUart::new(
&mut state,
usart,
interrupt::take!(USART2),
p.USART2,
p.PA3,
p.PA2,
irq,
&mut TX_BUFFER,
&mut RX_BUFFER,
config,
)
};