当解析不出飞控数据时闪红灯

app/drivers/sertrf/device.h

@@ -76,7 +76,7 @@ typedef struct
     uint8_t connect_pc;
     // int (*embedded_read)(device_t *port, void *buffer, uint32_t length);
     // int (*embedded_write)(device_t *port, const void *data, uint32_t size);
-
+    uint8_t last_color;
 
 }device_t;