26#define FEETECH_START (0xFF) 
   42    SCS15_RETURN_DELAY_TIME      = 7,
 
   43    SCS15_RETURN_LEVEL           = 8,
 
   44    SCS15_LIMIT_TEMPERATURE      = 13,
 
   45    SCS15_MAX_LIMIT_VOLTAGE      = 14,
 
   46    SCS15_MIN_LIMIT_VOLTAGE      = 15,
 
   48    SCS15_ALARM_SHUTDOWN         = 19,
 
   49    SCS15_COMPLIANCE_P           = 21,
 
   50    SCS15_COMPLIANCE_D           = 22,
 
   51    SCS15_COMPLIANCE_I           = 23,
 
   54    SCS15_TORQUE_ENABLE          = 40,
 
   57    SCS15_PRESENT_VOLTAGE        = 62,
 
   58    SCS15_PRESENT_TEMPERATURE    = 63,
 
   59    SCS15_REGISTERED_INSTRUCTION = 64,
 
   65    SCS15_MODEL_NUMBER         = 0,
 
   67    SCS15_MIN_ANGLE_LIMIT      = 9,
 
   68    SCS15_MAX_ANGLE_LIMIT      = 11,
 
   69    SCS15_MAX_TORQUE           = 16,
 
   73    SCS15_GOAL_POSITION        = 42,
 
   75    SCS15_GOAL_SPEED           = 46,
 
   76    SCS15_PRESENT_POSITION     = 56,
 
   77    SCS15_PRESENT_SPEED        = 58,
 
   78    SCS15_PRESENT_LOAD         = 60,
 
   79    SCS15_VIR_POSITION         = 67,
 
   87    INST_REG_WRITE  = 0x04,
 
   90    INST_SYNC_WRITE = 0x83,
 
   91} feetech_intruction_t;