From e2afb2f2f040abc35593346f97398932fad058d4 Mon Sep 17 00:00:00 2001
From: Priec <filippriec@gmail.com>
Date: Wed, 3 Dec 2025 23:02:36 +0100
Subject: [PATCH] redesign

---
 semestralka_2_uart/src/bin/main.rs        | 43 ++----------------
 semestralka_2_uart/src/hw_uart_pc/init.rs | 53 +++++++++++++++++++++++
 semestralka_2_uart/src/hw_uart_pc/mod.rs  |  1 +
 3 files changed, 57 insertions(+), 40 deletions(-)
 create mode 100644 semestralka_2_uart/src/hw_uart_pc/init.rs

diff --git a/semestralka_2_uart/src/bin/main.rs b/semestralka_2_uart/src/bin/main.rs
index bcab76e..691a3b1 100644
--- a/semestralka_2_uart/src/bin/main.rs
+++ b/semestralka_2_uart/src/bin/main.rs
@@ -5,12 +5,10 @@
 use defmt::*;
 use embassy_stm32::pac;
 use embassy_executor::Spawner;
-use embassy_futures::yield_now;
+use embassy_stm32::Config;
 use embassy_stm32::bind_interrupts;
 use embassy_stm32::peripherals;
-use embassy_stm32::Config;
-use embassy_sync::{blocking_mutex::raw::CriticalSectionRawMutex, channel::Channel};
-use embassy_stm32::usart::{BufferedUart, Config as UsartConfig, BufferedInterruptHandler};
+use embassy_stm32::usart::{BufferedInterruptHandler, BufferedUart, Config as UsartConfig};
 use embassy_stm32::gpio::{Output, Level, Speed};
 use embassy_time::{Duration, Timer};
 
@@ -22,48 +20,13 @@ use dma_gpio::hw_uart_pc::driver::uart_task;
 use dma_gpio::wakeup::iwdg::{clear_wakeup_flags, init_watchdog_reset};
 use dma_gpio::sleep::shutdown;
 use dma_gpio::sleep::standby;
+use dma_gpio::hw_uart_pc::init::{LowPowerCmd, CMD_CH, uart_cmd_task};
 use {defmt_rtt as _, panic_probe as _};
 
 bind_interrupts!(struct Irqs {
     USART1 => BufferedInterruptHandler<peripherals::USART1>;
 });
 
-#[derive(Clone, Copy, Debug, PartialEq, Eq)]
-enum LowPowerCmd {
-    Standby8k,     // 1
-    StandbyFull,   // 2
-    Standby,       // 3
-    Shutdown,      // 4
-}
-
-static CMD_CH: Channel<CriticalSectionRawMutex, LowPowerCmd, 1> = Channel::new();
-
-#[embassy_executor::task]
-async fn uart_cmd_task() {
-    // Prompt once
-    let _ = PIPE_HW_TX
-        .write(b"Modes: 1=SB8, 2=SBfull, 3=SB, 4=SD\r\n")
-        .await;
-
-    let mut b = [0u8; 1];
-    loop {
-        let n = PIPE_HW_RX.read(&mut b).await;
-        if n == 0 {
-            continue;
-        }
-        match b[0] {
-            b'1' => { let _ = PIPE_HW_TX.write(b"ACK 1: standby 8KB\r\n").await; CMD_CH.send(LowPowerCmd::Standby8k).await; }
-            b'2' => { let _ = PIPE_HW_TX.write(b"ACK 2: standby full\r\n").await; CMD_CH.send(LowPowerCmd::StandbyFull).await; }
-            b'3' => { let _ = PIPE_HW_TX.write(b"ACK 3: standby\r\n").await; CMD_CH.send(LowPowerCmd::Standby).await; }
-            b'4' => { let _ = PIPE_HW_TX.write(b"ACK 4: shutdown\r\n").await; CMD_CH.send(LowPowerCmd::Shutdown).await; }
-            b'\r' | b'\n' | b' ' => {}
-            _ => { let _ = PIPE_HW_TX.write(b"ERR: use 1|2|3|4\r\n").await; }
-        }
-        yield_now().await;
-    }
-}
-
-
 #[embassy_executor::main]
 async fn main(spawner: Spawner) {
     info!("boot");
diff --git a/semestralka_2_uart/src/hw_uart_pc/init.rs b/semestralka_2_uart/src/hw_uart_pc/init.rs
new file mode 100644
index 0000000..e806705
--- /dev/null
+++ b/semestralka_2_uart/src/hw_uart_pc/init.rs
@@ -0,0 +1,53 @@
+// src/hw_uart_pc/init.rs
+
+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};
+
+#[derive(Clone, Copy, Debug, PartialEq, Eq)]
+pub enum LowPowerCmd {
+    Standby8k,     // 1
+    StandbyFull,   // 2
+    Standby,       // 3
+    Shutdown,      // 4
+}
+
+pub static CMD_CH: Channel<CriticalSectionRawMutex, LowPowerCmd, 1> = Channel::new();
+
+#[embassy_executor::task]
+pub async fn uart_cmd_task() {
+    // Prompt once
+    let _ = PIPE_HW_TX
+        .write(b"Modes: 1=SB8, 2=SBfull, 3=SB, 4=SD\r\n")
+        .await;
+
+    let mut b = [0u8; 1];
+    loop {
+        let n = PIPE_HW_RX.read(&mut b).await;
+        if n == 0 {
+            continue;
+        }
+        match b[0] {
+            b'1' => {
+                let _ = PIPE_HW_TX.write(b"ACK 1: standby 8KB\r\n").await;
+                CMD_CH.send(LowPowerCmd::Standby8k).await;
+            }
+            b'2' => {
+                let _ = PIPE_HW_TX.write(b"ACK 2: standby full\r\n").await;
+                CMD_CH.send(LowPowerCmd::StandbyFull).await;
+            }
+            b'3' => {
+                let _ = PIPE_HW_TX.write(b"ACK 3: standby\r\n").await;
+                CMD_CH.send(LowPowerCmd::Standby).await;
+            }
+            b'4' => {
+                let _ = PIPE_HW_TX.write(b"ACK 4: shutdown\r\n").await;
+                CMD_CH.send(LowPowerCmd::Shutdown).await;
+            }
+            b'\r' | b'\n' | b' ' => {}
+            _ => { let _ = PIPE_HW_TX.write(b"ERR: use 1|2|3|4\r\n").await; }
+        }
+        yield_now().await;
+    }
+}
diff --git a/semestralka_2_uart/src/hw_uart_pc/mod.rs b/semestralka_2_uart/src/hw_uart_pc/mod.rs
index 22999cc..348a430 100644
--- a/semestralka_2_uart/src/hw_uart_pc/mod.rs
+++ b/semestralka_2_uart/src/hw_uart_pc/mod.rs
@@ -2,3 +2,4 @@
 pub mod driver;
 pub mod usart1;
 pub mod safety;
+pub mod init;