filipriec/stm32_rust
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

starting fresh again 1d rx bez dma

Browse Source
This commit is contained in:
Priec
2025-11-19 13:03:28 +01:00
parent 2ef75c319d
commit 28d041873c
2 changed files with 21 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
semestralka_1d_rx_bez_dma/src/bin/main.rs
View File

@@ -28,8 +28,14 @@ use dma_gpio::hw_uart_internal::usart2;
use dma_gpio::hw_uart_internal::driver::uart_task as uart_task_internal;
use dma_gpio::config::{PIPE_INT_TX, PIPE_INT_RX};
use embassy_time::{Duration, Timer};
use embassy_stm32::pac;
use {defmt_rtt as _, panic_probe as _};
use cortex_m::interrupt::Mutex;
use core::cell::RefCell;
static RX_PIN_GLOBAL: Mutex<RefCell<Option<&'static Input<'static>>>> = Mutex::new(RefCell::new(None));
bind_interrupts!(struct Irqs {
USART1 => BufferedInterruptHandler<peripherals::USART1>;
});
@@ -82,7 +88,6 @@ async fn main(spawner: Spawner) {
Irqs2,
cfg2,
).unwrap();
let _ = usart2::setup_and_spawn(BAUD);
spawner.spawn(uart_task_internal(uart2, &PIPE_INT_TX, &PIPE_INT_RX).unwrap());
info!("USART2 ready");
@@ -97,15 +102,24 @@ async fn main(spawner: Spawner) {
// SOFTWARE UART
// let _rx = Input::new(p.PD6, Pull::Up);
let rx_pin = Input::new(p.PD6, Pull::Up);
// Configure TX as output (PB0)
// Rx ready for the interrupt
use cortex_m::interrupt::free;
let rx_pin_ref: &'static Input<'static> = unsafe { core::mem::transmute(&rx_pin) };
free(|cs| RX_PIN_GLOBAL.borrow(cs).replace(Some(rx_pin_ref)));
// Configure TX as output (PB0)
let mut tx_pin = Output::new(p.PB0, Level::High, Speed::VeryHigh);
init_tim6_for_uart(p.TIM6, BAUD, TX_OVERSAMPLE);
init_tim7_for_uart(p.TIM7, BAUD, RX_OVERSAMPLE);
unsafe { cortex_m::peripheral::NVIC::unmask(pac::Interrupt::TIM7); }
info!("TIM7 Interrupt enabled");
dump_tim6_regs();
// EDN OF SOFTWARE UART
loop {
yield_now().await;
}