增加常量枚举

src/CMakeLists.txt

@@ -26,6 +26,10 @@ set(msg_files
   msg/ImgMsg.msg
   msg/MotorPos.msg
   msg/MotorCmd.msg
+  msg/BodyType.msg
+  msg/ArmActionType.msg
+  msg/ArmErrCode.msg
+  msg/ArmDataLength.msg
 )
 set(action_files
   action/MoveToPosition.action

src/action/Arm.action

@@ -1,17 +1,17 @@
-int8 body_id
-int8 data_type
-int16 data_length
+interfaces/BodyType body_id
+interfaces/ArmActionType data_type
+interfaces/ArmDataLength data_length
 int64 command_id
 int64 frame_time_stamp
 float64[] data_array
 ---
-int32 result
+interfaces/ArmErrCode result
 int64 command_id
 int64 end_time
 geometry_msgs/Pose pose
 ---
 int64 command_id
 int16 int_lenth
-int16 float_length
+interfaces/ArmDataLength float_length
 int32[] int_data_array
 float64[] float_data_array