max/embassy
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

stm32: Add support for read_until_idle on UART

Browse Source
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
Download Patch File Download Diff File Expand all files Collapse all files

4
examples/stm32f4/src/bin/usart.rs
View File

@ -5,6 +5,7 @@
use cortex_m_rt::entry;
use defmt::*;
use embassy_stm32::dma::NoDma;
use embassy_stm32::interrupt;
use embassy_stm32::usart::{Config, Uart};
use {defmt_rtt as _, panic_probe as _};
@ -15,7 +16,8 @@ fn main() -> ! {
let p = embassy_stm32::init(Default::default());
let config = Config::default();
let mut usart = Uart::new(p.USART3, p.PD9, p.PD8, NoDma, NoDma, config);
let irq = interrupt::take!(USART3);
let mut usart = Uart::new(p.USART3, p.PD9, p.PD8, irq, NoDma, NoDma, config);
unwrap!(usart.blocking_write(b"Hello Embassy World!\r\n"));
info!("wrote Hello, starting echo");

15
examples/stm32f4/src/bin/usart_buffered.rs
View File

@ -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::BufRead;
use {defmt_rtt as _, panic_probe as _};
@ -16,13 +15,21 @@ async fn main(_spawner: Spawner) {
info!("Hello World!");
let config = Config::default();
let usart = Uart::new(p.USART3, p.PD9, p.PD8, NoDma, NoDma, config);
let mut state = State::new();
let irq = interrupt::take!(USART3);
let mut tx_buf = [0u8; 32];
let mut rx_buf = [0u8; 32];
let mut buf_usart = BufferedUart::new(&mut state, usart, irq, &mut tx_buf, &mut rx_buf);
let mut buf_usart = BufferedUart::new(
&mut state,
p.USART3,
p.PD9,
p.PD8,
irq,
&mut tx_buf,
&mut rx_buf,
config,
);
loop {
let buf = buf_usart.fill_buf().await.unwrap();

4
examples/stm32f4/src/bin/usart_dma.rs
View File

@ -7,6 +7,7 @@ use core::fmt::Write;
use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::dma::NoDma;
use embassy_stm32::interrupt;
use embassy_stm32::usart::{Config, Uart};
use heapless::String;
use {defmt_rtt as _, panic_probe as _};
@ -17,7 +18,8 @@ async fn main(_spawner: Spawner) {
info!("Hello World!");
let config = Config::default();
let mut usart = Uart::new(p.USART3, p.PD9, p.PD8, p.DMA1_CH3, NoDma, config);
let irq = interrupt::take!(USART3);
let mut usart = Uart::new(p.USART3, p.PD9, p.PD8, irq, p.DMA1_CH3, NoDma, config);
for n in 0u32.. {
let mut s: String<128> = String::new();