8 READ_TRACK_CURRENT = 0x08,
9 SET_OVERCURRENT_LIMIT = 0x09,
10 READ_INPUT_VOLTAGE = 0x0A,
11 MOTOROLA_SPEED = 0x11,
12 MOTOROLA_REVERSE = 0x12,
13 MOTOROLA_SPEED_DIRECTION = 0x13,
14 MOTOROLA_SPEED_FUNCTION = 0x14,
15 MOTOROLA_SOLENOID = 0x15,
17 RECEIVE_OVERRUN = 0x81,
19 INVALID_COMMAND = 0x83,