uint32 NO_SONG=0
uint32 POWER_ON_SONG=1
uint32 POWER_OFF_SONG=2
uint32 ALARM_SONG=3
uint32 MODE_UP_SONG=4
uint32 MODE_DOWN_SONG=5
uint32 ENTER_ALARM_SONG=6
uint32 EXIT_ALARM_SONG=7
uint32 FINAL_SHUTDOWN_SONG=8
uint32 CORRECT_ISSUE=9
uint32 ISSUE_CORRECTED=10
uint32 CORRECT_ISSUE_REPEATING=11
uint32 BEGINNER_ACK=12
uint32 EXPERT_ACK=13
uint32 ENTER_FOLLOW=14
uint32 TEST_SWEEP=15
uint32 SIMULATE_MOTOR_NOISE=16
std_msgs/Header header
uint32 command