px4-firmware/msg/tune_control.msg

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# This message is used to control the tunes, when the tune_id is set to CUSTOM
# then the frequency, duration are used otherwise those values are ignored.
uint64 timestamp # time since system start (microseconds)
uint8 TUNE_ID_STOP = 0
uint8 TUNE_ID_STARTUP = 1
uint8 TUNE_ID_ERROR = 2
uint8 TUNE_ID_NOTIFY_POSITIVE = 3
uint8 TUNE_ID_NOTIFY_NEUTRAL = 4
uint8 TUNE_ID_NOTIFY_NEGATIVE = 5
uint8 TUNE_ID_ARMING_WARNING = 6
uint8 TUNE_ID_BATTERY_WARNING_SLOW = 7
uint8 TUNE_ID_BATTERY_WARNING_FAST = 8
uint8 TUNE_ID_GPS_WARNING = 9
uint8 TUNE_ID_ARMING_FAILURE = 10
uint8 TUNE_ID_PARACHUTE_RELEASE = 11
uint8 TUNE_ID_SINGLE_BEEP = 12
uint8 TUNE_ID_HOME_SET = 13
uint8 TUNE_ID_SD_INIT = 14
uint8 TUNE_ID_SD_ERROR = 15
uint8 TUNE_ID_PROG_PX4IO = 16
uint8 TUNE_ID_PROG_PX4IO_OK = 17
uint8 TUNE_ID_PROG_PX4IO_ERR = 18
uint8 NUMBER_OF_TUNES = 19
uint8 tune_id # tune_id corresponding to TuneID::* from the tune_defaults.h in the tunes library
bool tune_override # if true the tune which is playing will be stopped and the new started
uint16 frequency # in Hz
uint32 duration # in us
uint32 silence # in us
uint8 volume # value between 0-100 if supported by backend
uint8 VOLUME_LEVEL_MIN = 0
uint8 VOLUME_LEVEL_DEFAULT = 40
uint8 VOLUME_LEVEL_MAX = 100
uint8 ORB_QUEUE_LENGTH = 4