first commit

src-tauri/src/serial_core/frame.rs

@@ -0,0 +1,43 @@
+use anyhow::Result;
+use async_trait::async_trait;
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct TestFrame {
+    pub header: [u8; 2],
+    pub cmd: u8,
+    pub length: usize,
+    pub payload: Vec<u8>,
+    pub checksum: u8,
+    pub dts_ms: u64
+}
+
+
+
+#[async_trait]
+pub trait FrameHandler<F, T>: Send {
+    async fn on_frame(&mut self, frame: &F) -> Result<Option<Vec<T>>>;
+}
+
+pub fn usize_to_u16_be_bytes(n: usize) -> [u8; 2] {
+    (n as u16).to_be_bytes()
+}
+
+pub fn usize_to_u16_le_bytes(n: usize) -> [u8; 2] {
+    (n as u16).to_be_bytes()
+}
+
+pub fn crc8(data: &[u8]) -> u8 {
+    let mut crc: u8 = 0x00;
+
+    for &byte in data {
+        crc ^= byte;
+        for _ in 0..8 {
+            if (crc & 0x80) != 0 {
+                crc = (crc << 1) ^ 0x07;
+            } else {
+                crc <<= 1;
+            }
+        }
+    }
+
+    crc
+}