moved uart to init file, now main is purely about low power modes and sleeps

semestralka_2_uart/src/hw_uart_pc/init.rs

@@ -3,7 +3,23 @@
 use embassy_sync::blocking_mutex::raw::CriticalSectionRawMutex;
 use embassy_sync::channel::Channel;
 use embassy_futures::yield_now;
-use crate::config::{PIPE_HW_TX, PIPE_HW_RX};
+
+// UART HW init
+use crate::config::{BAUD, PIPE_HW_TX, PIPE_HW_RX};
+use crate::hw_uart_pc::driver::uart_task;
+use static_cell::StaticCell;
+use embassy_stm32::usart::BufferedInterruptHandler;
+use embassy_stm32::usart::{BufferedUart, Config as UsartConfig};
+use embassy_stm32::peripherals;
+use embassy_stm32::bind_interrupts;
+use embassy_executor::Spawner;
+use embassy_hal_internal::Peri;
+use embassy_stm32::peripherals::{USART1, PA9, PA10};
+use defmt::info;
+
+bind_interrupts!(struct Irqs {
+    USART1 => BufferedInterruptHandler<peripherals::USART1>;
+});
 
 #[derive(Clone, Copy, Debug, PartialEq, Eq)]
 pub enum LowPowerCmd {
@@ -51,3 +67,32 @@ pub async fn uart_cmd_task() {
         yield_now().await;
     }
 }
+
+pub fn init_hw_uart_to_pc(
+    usart1: Peri<'static, USART1>,
+    pa10: Peri<'static, PA10>,
+    pa9: Peri<'static, PA9>,
+    spawner: &Spawner,
+) {
+    let mut cfg = UsartConfig::default();
+    cfg.baudrate = BAUD;
+
+    static TX_BUF: StaticCell<[u8; 256]> = StaticCell::new();
+    static RX_BUF: StaticCell<[u8; 256]> = StaticCell::new();
+
+    let uart = BufferedUart::new(
+        usart1,
+        pa10, // RX pin
+        pa9,  // TX pin
+        TX_BUF.init([0; 256]),
+        RX_BUF.init([0; 256]),
+        Irqs,
+        cfg,
+    )
+    .unwrap();
+
+    spawner.spawn(uart_task(uart, &PIPE_HW_TX, &PIPE_HW_RX).unwrap());
+    spawner.spawn(uart_cmd_task().unwrap());
+
+    info!("USART1 initialized @ {} bps", BAUD);
+}