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stm32/usart: return error instead of panicking on bad baudrate.

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This commit is contained in:
Dario Nieuwenhuis
2023-09-26 00:14:52 +02:00
parent c79a84a98a
commit 5d8817d109
22 changed files with 94 additions and 75 deletions
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2
examples/stm32l0/src/bin/usart_dma.rs
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@ -15,7 +15,7 @@ bind_interrupts!(struct Irqs {
#[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, Irqs, p.DMA1_CH2, p.DMA1_CH3, Config::default());
let mut usart = Uart::new(p.USART1, p.PB7, p.PB6, Irqs, p.DMA1_CH2, p.DMA1_CH3, Config::default()).unwrap();
usart.write(b"Hello Embassy World!\r\n").await.unwrap();
info!("wrote Hello, starting echo");

8
examples/stm32l0/src/bin/usart_irq.rs
View File

@ -18,13 +18,11 @@ async fn main(_spawner: Spawner) {
let p = embassy_stm32::init(Default::default());
info!("Hi!");
static mut TX_BUFFER: [u8; 8] = [0; 8];
static mut RX_BUFFER: [u8; 256] = [0; 256];
let mut config = Config::default();
config.baudrate = 9600;
let mut usart = unsafe { BufferedUart::new(p.USART2, Irqs, p.PA3, p.PA2, &mut TX_BUFFER, &mut RX_BUFFER, config) };
let mut tx_buf = [0u8; 256];
let mut rx_buf = [0u8; 256];
let mut usart = BufferedUart::new(p.USART2, Irqs, p.PA3, p.PA2, &mut tx_buf, &mut rx_buf, config).unwrap();
usart.write_all(b"Hello Embassy World!\r\n").await.unwrap();
info!("wrote Hello, starting echo");