C、C++:
机械臂当前状态`rm_current_arm_state_t`

类成员变量说明

机械臂当前位姿pose
C++
```
rm_pose_t rm_current_arm_state_t::pose
```

机械臂当前关节角度`joint`

C++

float rm_current_arm_state_t::joint[ARM_DOF]

机械臂错误代码arm_err
C++
```
uint8_t rm_current_arm_state_t::arm_err
```
控制器错误代码sys_err
C++
```
uint8_t rm_current_arm_state_t::sys_err
```