添加错误代码

source/task/transmit.h

@@ -5,6 +5,18 @@
 #include "handle.h"
 #include "signal.h"
 
+
+
+// 错误码定义
+#define TRAN_ERR_NONE     0x00
+#define TRAN_ERR_BUSY     0x01
+#define TRAN_ERR_PARAM    0x02
+#define TRAN_ERR_STEP     0x03
+
+
+
+
+
 struct _tran_def;
 typedef struct _tran_def tran_def;