实现电机，按键，虚拟串口，未验证

source/task/key.h

@@ -0,0 +1,28 @@
+#ifndef key_h__
+#define key_h__
+
+
+#include "rtthread.h"
+#include "signal.h"
+#include "bytearray.h"
+
+
+
+
+
+signal key_send_signal(void *obj,uint8_t cmd,array_def *data);
+
+
+
+
+int key_pressed(void);
+
+
+
+
+
+
+
+
+
+#endif