redesign

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;
+    }
+}

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;