64 lines
1.9 KiB
Rust
64 lines
1.9 KiB
Rust
#![no_std]
|
|
#![no_main]
|
|
#![feature(type_alias_impl_trait)]
|
|
|
|
use defmt::*;
|
|
use embassy_executor::Spawner;
|
|
use embassy_stm32::usart::{Config, InterruptHandler, Uart};
|
|
use embassy_stm32::{bind_interrupts, peripherals};
|
|
use {defmt_rtt as _, panic_probe as _};
|
|
|
|
bind_interrupts!(struct Irqs{
|
|
USART1 => InterruptHandler<peripherals::USART1>;
|
|
LPUART1 => InterruptHandler<peripherals::LPUART1>;
|
|
});
|
|
|
|
/*
|
|
Pass Incoming data from LPUART1 to USART1
|
|
Example is written for the LoRa-E5 mini v1.0,
|
|
but can be surely changed for your needs.
|
|
*/
|
|
#[embassy_executor::main]
|
|
async fn main(_spawner: Spawner) {
|
|
let mut config = embassy_stm32::Config::default();
|
|
config.rcc.mux = embassy_stm32::rcc::ClockSrc::HSE;
|
|
let p = embassy_stm32::init(config);
|
|
|
|
defmt::info!("Starting system");
|
|
|
|
let mut config1 = Config::default();
|
|
config1.baudrate = 9600;
|
|
|
|
let mut config2 = Config::default();
|
|
config2.baudrate = 9600;
|
|
|
|
//RX/TX connected to USB/UART Bridge on LoRa-E5 mini v1.0
|
|
let mut usart1 = Uart::new(p.USART1, p.PB7, p.PB6, Irqs, p.DMA1_CH3, p.DMA1_CH4, config1).unwrap();
|
|
|
|
//RX1/TX1 (LPUART) on LoRa-E5 mini v1.0
|
|
let mut usart2 = Uart::new(p.LPUART1, p.PC0, p.PC1, Irqs, p.DMA1_CH5, p.DMA1_CH6, config2).unwrap();
|
|
|
|
unwrap!(usart1.write(b"Hello Embassy World!\r\n").await);
|
|
unwrap!(usart2.write(b"Hello Embassy World!\r\n").await);
|
|
|
|
let mut buf = [0u8; 300];
|
|
loop {
|
|
let result = usart2.read_until_idle(&mut buf).await;
|
|
match result {
|
|
Ok(size) => {
|
|
match usart1.write(&buf[0..size]).await {
|
|
Ok(()) => {
|
|
//Write suc.
|
|
}
|
|
Err(..) => {
|
|
//Wasn't able to write
|
|
}
|
|
}
|
|
}
|
|
Err(_err) => {
|
|
//Ignore eg. framing errors
|
|
}
|
|
}
|
|
}
|
|
}
|