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