feat: 初步增加 Windows 支持

src/atx/traits.rs

@@ -0,0 +1,51 @@
+use async_trait::async_trait;
+use serialport::SerialPort;
+use std::sync::{Arc, Mutex};
+use std::time::Duration;
+
+use super::types::AtxKeyConfig;
+use crate::error::Result;
+
+pub type SharedSerialHandle = Arc<Mutex<Box<dyn SerialPort>>>;
+
+#[async_trait]
+pub trait AtxKeyBackend: Send + Sync {
+    async fn init(&mut self) -> Result<()>;
+
+    async fn pulse(&self, duration: Duration) -> Result<()>;
+
+    async fn shutdown(&mut self) -> Result<()>;
+
+    fn is_initialized(&self) -> bool;
+}
+
+#[derive(Debug, Clone)]
+pub enum AtxKeyBackendContext {
+    Standalone,
+    SharedSerial(SharedSerialHandle),
+}
+
+pub fn validate_serial_config(config: &AtxKeyConfig) -> Result<()> {
+    if config.device.trim().is_empty() {
+        return Err(crate::error::AppError::Config(
+            "Serial ATX device cannot be empty".to_string(),
+        ));
+    }
+    if config.pin == 0 {
+        return Err(crate::error::AppError::Config(
+            "Serial ATX channel must be 1-based (>= 1)".to_string(),
+        ));
+    }
+    if config.pin > u8::MAX as u32 {
+        return Err(crate::error::AppError::Config(format!(
+            "Serial ATX channel must be <= {}",
+            u8::MAX
+        )));
+    }
+    if config.baud_rate == 0 {
+        return Err(crate::error::AppError::Config(
+            "Serial ATX baud_rate must be greater than 0".to_string(),
+        ));
+    }
+    Ok(())
+}