/*
handle an incoming mission item
*/
void GCS_MAVLINK::handle_mission_item(mavlink_message_t *msg, AP_Mission &mission)
{
mavlink_mission_item_t packet;
uint8_t result = MAV_MISSION_ACCEPTED;
struct AP_Mission::Mission_Command cmd = {};
mavlink_msg_mission_item_decode(msg, &packet);
// convert mavlink packet to mission command
if (!AP_Mission::mavlink_to_mission_cmd(packet, cmd)) {
result = MAV_MISSION_INVALID;
goto mission_ack;
}
if (packet.current == 2) {
// current = 2 is a flag to tell us this is a "guided mode"
// waypoint and not for the mission
handle_guided_request(cmd);
// verify we received the command
result = 0;
goto mission_ack;
}
if (packet.current == 3) {
//current = 3 is a flag to tell us this is a alt change only
// add home alt if needed
handle_change_alt_request(cmd);
// verify we recevied the command
result = 0;
goto mission_ack;
}
// Check if receiving waypoints (mission upload expected)
if (!waypoint_receiving) {
result = MAV_MISSION_ERROR;
goto mission_ack;
}
// check if this is the requested waypoint
if (packet.seq != waypoint_request_i) {
result = MAV_MISSION_INVALID_SEQUENCE;
goto mission_ack;
}
// if command index is within the existing list, replace the command
if (packet.seq < mission.num_commands()) {
if (mission.replace_cmd(packet.seq,cmd)) {
result = MAV_MISSION_ACCEPTED;
}else{
result = MAV_MISSION_ERROR;
goto mission_ack;
}
// if command is at the end of command list, add the command
} else if (packet.seq == mission.num_commands()) {
if (mission.add_cmd(cmd)) {
result = MAV_MISSION_ACCEPTED;
}else{
result = MAV_MISSION_ERROR;
goto mission_ack;
}
// if beyond the end of the command list, return an error
} else {
result = MAV_MISSION_ERROR;
goto mission_ack;
}
// update waypoint receiving state machine
waypoint_timelast_receive = hal.scheduler->millis();
waypoint_request_i++;
if (waypoint_request_i >= waypoint_request_last) {
mavlink_msg_mission_ack_send_buf(
msg,
chan,
msg->sysid,
msg->compid,
MAV_MISSION_ACCEPTED);
send_text_P(SEVERITY_LOW,PSTR("flight plan received"));
waypoint_receiving = false;
// XXX ignores waypoint radius for individual waypoints, can
// only set WP_RADIUS parameter
} else {
waypoint_timelast_request = hal.scheduler->millis();
// if we have enough space, then send the next WP immediately
if (comm_get_txspace(chan) >=
MAVLINK_NUM_NON_PAYLOAD_BYTES+MAVLINK_MSG_ID_MISSION_ITEM_LEN) {
queued_waypoint_send();
} else {
send_message(MSG_NEXT_WAYPOINT);
}
}
return;
mission_ack:
// we are rejecting the mission/waypoint
mavlink_msg_mission_ack_send_buf(
msg,
chan,
msg->sysid,
msg->compid,
result);
}
// try to send a message, return false if it won't fit in the serial tx buffer
bool GCS_MAVLINK_Rover::try_send_message(enum ap_message id)
{
if (telemetry_delayed(chan)) {
return false;
}
// if we don't have at least 1ms remaining before the main loop
// wants to fire then don't send a mavlink message. We want to
// prioritise the main flight control loop over communications
if (!rover.in_mavlink_delay && rover.scheduler.time_available_usec() < 1200) {
rover.gcs_out_of_time = true;
return false;
}
switch (id) {
case MSG_HEARTBEAT:
CHECK_PAYLOAD_SIZE(HEARTBEAT);
last_heartbeat_time = AP_HAL::millis();
rover.send_heartbeat(chan);
return true;
case MSG_EXTENDED_STATUS1:
CHECK_PAYLOAD_SIZE(SYS_STATUS);
rover.send_extended_status1(chan);
CHECK_PAYLOAD_SIZE(POWER_STATUS);
send_power_status();
break;
case MSG_EXTENDED_STATUS2:
CHECK_PAYLOAD_SIZE(MEMINFO);
send_meminfo();
break;
case MSG_ATTITUDE:
CHECK_PAYLOAD_SIZE(ATTITUDE);
rover.send_attitude(chan);
break;
case MSG_LOCATION:
CHECK_PAYLOAD_SIZE(GLOBAL_POSITION_INT);
rover.send_location(chan);
break;
case MSG_LOCAL_POSITION:
CHECK_PAYLOAD_SIZE(LOCAL_POSITION_NED);
send_local_position(rover.ahrs);
break;
case MSG_NAV_CONTROLLER_OUTPUT:
if (rover.control_mode != MANUAL) {
CHECK_PAYLOAD_SIZE(NAV_CONTROLLER_OUTPUT);
rover.send_nav_controller_output(chan);
}
break;
case MSG_GPS_RAW:
CHECK_PAYLOAD_SIZE(GPS_RAW_INT);
send_gps_raw(rover.gps);
break;
case MSG_SYSTEM_TIME:
CHECK_PAYLOAD_SIZE(SYSTEM_TIME);
send_system_time(rover.gps);
break;
case MSG_SERVO_OUT:
CHECK_PAYLOAD_SIZE(RC_CHANNELS_SCALED);
rover.send_servo_out(chan);
break;
case MSG_RADIO_IN:
CHECK_PAYLOAD_SIZE(RC_CHANNELS_RAW);
send_radio_in(rover.receiver_rssi);
break;
case MSG_RADIO_OUT:
CHECK_PAYLOAD_SIZE(SERVO_OUTPUT_RAW);
rover.send_radio_out(chan);
break;
case MSG_VFR_HUD:
CHECK_PAYLOAD_SIZE(VFR_HUD);
rover.send_vfr_hud(chan);
break;
case MSG_RAW_IMU1:
CHECK_PAYLOAD_SIZE(RAW_IMU);
send_raw_imu(rover.ins, rover.compass);
break;
case MSG_RAW_IMU3:
CHECK_PAYLOAD_SIZE(SENSOR_OFFSETS);
send_sensor_offsets(rover.ins, rover.compass, rover.barometer);
break;
case MSG_CURRENT_WAYPOINT:
CHECK_PAYLOAD_SIZE(MISSION_CURRENT);
rover.send_current_waypoint(chan);
break;
case MSG_NEXT_PARAM:
CHECK_PAYLOAD_SIZE(PARAM_VALUE);
queued_param_send();
break;
case MSG_NEXT_WAYPOINT:
CHECK_PAYLOAD_SIZE(MISSION_REQUEST);
queued_waypoint_send();
break;
case MSG_STATUSTEXT:
// depreciated, use GCS_MAVLINK::send_statustext*
return false;
case MSG_AHRS:
CHECK_PAYLOAD_SIZE(AHRS);
send_ahrs(rover.ahrs);
break;
case MSG_SIMSTATE:
CHECK_PAYLOAD_SIZE(SIMSTATE);
rover.send_simstate(chan);
break;
case MSG_HWSTATUS:
CHECK_PAYLOAD_SIZE(HWSTATUS);
rover.send_hwstatus(chan);
break;
case MSG_RANGEFINDER:
CHECK_PAYLOAD_SIZE(RANGEFINDER);
rover.send_rangefinder(chan);
break;
case MSG_MOUNT_STATUS:
#if MOUNT == ENABLED
CHECK_PAYLOAD_SIZE(MOUNT_STATUS);
rover.camera_mount.status_msg(chan);
#endif // MOUNT == ENABLED
break;
case MSG_RAW_IMU2:
case MSG_LIMITS_STATUS:
case MSG_FENCE_STATUS:
case MSG_WIND:
// unused
break;
case MSG_VIBRATION:
CHECK_PAYLOAD_SIZE(VIBRATION);
send_vibration(rover.ins);
break;
case MSG_BATTERY2:
CHECK_PAYLOAD_SIZE(BATTERY2);
send_battery2(rover.battery);
break;
case MSG_CAMERA_FEEDBACK:
#if CAMERA == ENABLED
CHECK_PAYLOAD_SIZE(CAMERA_FEEDBACK);
rover.camera.send_feedback(chan, rover.gps, rover.ahrs, rover.current_loc);
#endif
break;
case MSG_EKF_STATUS_REPORT:
#if AP_AHRS_NAVEKF_AVAILABLE
CHECK_PAYLOAD_SIZE(EKF_STATUS_REPORT);
rover.ahrs.send_ekf_status_report(chan);
#endif
break;
case MSG_PID_TUNING:
CHECK_PAYLOAD_SIZE(PID_TUNING);
rover.send_pid_tuning(chan);
break;
case MSG_MISSION_ITEM_REACHED:
CHECK_PAYLOAD_SIZE(MISSION_ITEM_REACHED);
mavlink_msg_mission_item_reached_send(chan, mission_item_reached_index);
break;
case MSG_MAG_CAL_PROGRESS:
CHECK_PAYLOAD_SIZE(MAG_CAL_PROGRESS);
rover.compass.send_mag_cal_progress(chan);
break;
case MSG_MAG_CAL_REPORT:
CHECK_PAYLOAD_SIZE(MAG_CAL_REPORT);
rover.compass.send_mag_cal_report(chan);
break;
case MSG_RETRY_DEFERRED:
case MSG_ADSB_VEHICLE:
case MSG_TERRAIN:
case MSG_OPTICAL_FLOW:
case MSG_GIMBAL_REPORT:
case MSG_RPM:
case MSG_POSITION_TARGET_GLOBAL_INT:
break; // just here to prevent a warning
}
return true;
}
