/// handler for polygon fence messages with GCS
void AC_Fence::handle_msg(mavlink_channel_t chan, mavlink_message_t* msg)
{
// exit immediately if null message
if (msg == nullptr) {
return;
}
switch (msg->msgid) {
// receive a fence point from GCS and store in EEPROM
case MAVLINK_MSG_ID_FENCE_POINT: {
mavlink_fence_point_t packet;
mavlink_msg_fence_point_decode(msg, &packet);
if (!check_latlng(packet.lat,packet.lng)) {
GCS_MAVLINK::send_statustext_chan(MAV_SEVERITY_WARNING, chan, "Invalid fence point, lat or lng too large");
} else {
Vector2l point;
point.x = packet.lat*1.0e7f;
point.y = packet.lng*1.0e7f;
if (!_poly_loader.save_point_to_eeprom(packet.idx, point)) {
GCS_MAVLINK::send_statustext_chan(MAV_SEVERITY_WARNING, chan, "Failed to save polygon point, too many points?");
} else {
// trigger reload of points
_boundary_loaded = false;
}
}
break;
}
// send a fence point to GCS
case MAVLINK_MSG_ID_FENCE_FETCH_POINT: {
mavlink_fence_fetch_point_t packet;
mavlink_msg_fence_fetch_point_decode(msg, &packet);
// attempt to retrieve from eeprom
Vector2l point;
if (_poly_loader.load_point_from_eeprom(packet.idx, point)) {
mavlink_msg_fence_point_send_buf(msg, chan, msg->sysid, msg->compid, packet.idx, _total, point.x*1.0e-7f, point.y*1.0e-7f);
} else {
GCS_MAVLINK::send_statustext_chan(MAV_SEVERITY_WARNING, chan, "Bad fence point");
}
break;
}
default:
// do nothing
break;
}
}
void GCS_MAVLINK_Plane::handleMessage(mavlink_message_t* msg)
{
switch (msg->msgid) {
#if GEOFENCE_ENABLED == ENABLED
// receive a fence point from GCS and store in EEPROM
case MAVLINK_MSG_ID_FENCE_POINT: {
mavlink_fence_point_t packet;
mavlink_msg_fence_point_decode(msg, &packet);
if (plane.g.fence_action != FENCE_ACTION_NONE) {
send_text(MAV_SEVERITY_WARNING,"Fencing must be disabled");
} else if (packet.count != plane.g.fence_total) {
send_text(MAV_SEVERITY_WARNING,"Bad fence point");
} else if (!check_latlng(packet.lat,packet.lng)) {
send_text(MAV_SEVERITY_WARNING,"Invalid fence point, lat or lng too large");
} else {
plane.set_fence_point_with_index(Vector2l(packet.lat*1.0e7f, packet.lng*1.0e7f), packet.idx);
}
break;
}
// send a fence point to GCS
case MAVLINK_MSG_ID_FENCE_FETCH_POINT: {
mavlink_fence_fetch_point_t packet;
mavlink_msg_fence_fetch_point_decode(msg, &packet);
if (packet.idx >= plane.g.fence_total) {
send_text(MAV_SEVERITY_WARNING,"Bad fence point");
} else {
Vector2l point = plane.get_fence_point_with_index(packet.idx);
mavlink_msg_fence_point_send_buf(msg, chan, msg->sysid, msg->compid, packet.idx, plane.g.fence_total,
point.x*1.0e-7f, point.y*1.0e-7f);
}
break;
}
#endif // GEOFENCE_ENABLED
case MAVLINK_MSG_ID_MANUAL_CONTROL:
{
if (msg->sysid != plane.g.sysid_my_gcs) {
break; // only accept control from our gcs
}
mavlink_manual_control_t packet;
mavlink_msg_manual_control_decode(msg, &packet);
if (packet.target != plane.g.sysid_this_mav) {
break; // only accept messages aimed at us
}
uint32_t tnow = AP_HAL::millis();
manual_override(plane.channel_roll, packet.y, 1000, 2000, tnow);
manual_override(plane.channel_pitch, packet.x, 1000, 2000, tnow, true);
manual_override(plane.channel_throttle, packet.z, 0, 1000, tnow);
manual_override(plane.channel_rudder, packet.r, 1000, 2000, tnow);
// a manual control message is considered to be a 'heartbeat' from the ground station for failsafe purposes
plane.failsafe.last_heartbeat_ms = tnow;
break;
}
case MAVLINK_MSG_ID_HEARTBEAT:
{
// We keep track of the last time we received a heartbeat from
// our GCS for failsafe purposes
if (msg->sysid != plane.g.sysid_my_gcs) break;
plane.failsafe.last_heartbeat_ms = AP_HAL::millis();
break;
}
case MAVLINK_MSG_ID_HIL_STATE:
{
#if HIL_SUPPORT
if (plane.g.hil_mode != 1) {
break;
}
mavlink_hil_state_t packet;
mavlink_msg_hil_state_decode(msg, &packet);
// sanity check location
if (!check_latlng(packet.lat, packet.lon)) {
break;
}
last_hil_state = packet;
// set gps hil sensor
const Location loc{packet.lat, packet.lon, packet.alt/10, Location::AltFrame::ABSOLUTE};
Vector3f vel(packet.vx, packet.vy, packet.vz);
vel *= 0.01f;
// setup airspeed pressure based on 3D speed, no wind
plane.airspeed.setHIL(sq(vel.length()) / 2.0f + 2013);
plane.gps.setHIL(0, AP_GPS::GPS_OK_FIX_3D,
packet.time_usec/1000,
loc, vel, 10, 0);
// rad/sec
Vector3f gyros;
gyros.x = packet.rollspeed;
gyros.y = packet.pitchspeed;
gyros.z = packet.yawspeed;
// m/s/s
Vector3f accels;
accels.x = packet.xacc * GRAVITY_MSS*0.001f;
accels.y = packet.yacc * GRAVITY_MSS*0.001f;
accels.z = packet.zacc * GRAVITY_MSS*0.001f;
plane.ins.set_gyro(0, gyros);
plane.ins.set_accel(0, accels);
plane.barometer.setHIL(packet.alt*0.001f);
plane.compass.setHIL(0, packet.roll, packet.pitch, packet.yaw);
plane.compass.setHIL(1, packet.roll, packet.pitch, packet.yaw);
// cope with DCM getting badly off due to HIL lag
if (plane.g.hil_err_limit > 0 &&
(fabsf(packet.roll - plane.ahrs.roll) > ToRad(plane.g.hil_err_limit) ||
fabsf(packet.pitch - plane.ahrs.pitch) > ToRad(plane.g.hil_err_limit) ||
wrap_PI(fabsf(packet.yaw - plane.ahrs.yaw)) > ToRad(plane.g.hil_err_limit))) {
plane.ahrs.reset_attitude(packet.roll, packet.pitch, packet.yaw);
}
#endif
break;
}
case MAVLINK_MSG_ID_RADIO:
case MAVLINK_MSG_ID_RADIO_STATUS:
{
handle_radio_status(msg, plane.should_log(MASK_LOG_PM));
break;
}
case MAVLINK_MSG_ID_DISTANCE_SENSOR:
plane.rangefinder.handle_msg(msg);
break;
case MAVLINK_MSG_ID_TERRAIN_DATA:
case MAVLINK_MSG_ID_TERRAIN_CHECK:
#if AP_TERRAIN_AVAILABLE
plane.terrain.handle_data(chan, msg);
#endif
break;
case MAVLINK_MSG_ID_SET_ATTITUDE_TARGET:
{
// Only allow companion computer (or other external controller) to
// control attitude in GUIDED mode. We DON'T want external control
// in e.g., RTL, CICLE. Specifying a single mode for companion
// computer control is more safe (even more so when using
// FENCE_ACTION = 4 for geofence failures).
if ((plane.control_mode != &plane.mode_guided) &&
(plane.control_mode != &plane.mode_avoidADSB)) { // don't screw up failsafes
break;
}
mavlink_set_attitude_target_t att_target;
mavlink_msg_set_attitude_target_decode(msg, &att_target);
// Mappings: If any of these bits are set, the corresponding input should be ignored.
// NOTE, when parsing the bits we invert them for easier interpretation but transport has them inverted
// bit 1: body roll rate
// bit 2: body pitch rate
// bit 3: body yaw rate
// bit 4: unknown
// bit 5: unknown
// bit 6: reserved
// bit 7: throttle
// bit 8: attitude
// if not setting all Quaternion values, use _rate flags to indicate which fields.
// Extract the Euler roll angle from the Quaternion.
Quaternion q(att_target.q[0], att_target.q[1],
att_target.q[2], att_target.q[3]);
// NOTE: att_target.type_mask is inverted for easier interpretation
att_target.type_mask = att_target.type_mask ^ 0xFF;
uint8_t attitude_mask = att_target.type_mask & 0b10000111; // q plus rpy
uint32_t now = AP_HAL::millis();
if ((attitude_mask & 0b10000001) || // partial, including roll
(attitude_mask == 0b10000000)) { // all angles
plane.guided_state.forced_rpy_cd.x = degrees(q.get_euler_roll()) * 100.0f;
// Update timer for external roll to the nav control
plane.guided_state.last_forced_rpy_ms.x = now;
}
if ((attitude_mask & 0b10000010) || // partial, including pitch
(attitude_mask == 0b10000000)) { // all angles
plane.guided_state.forced_rpy_cd.y = degrees(q.get_euler_pitch()) * 100.0f;
// Update timer for external pitch to the nav control
plane.guided_state.last_forced_rpy_ms.y = now;
}
if ((attitude_mask & 0b10000100) || // partial, including yaw
(attitude_mask == 0b10000000)) { // all angles
plane.guided_state.forced_rpy_cd.z = degrees(q.get_euler_yaw()) * 100.0f;
// Update timer for external yaw to the nav control
plane.guided_state.last_forced_rpy_ms.z = now;
}
if (att_target.type_mask & 0b01000000) { // throttle
plane.guided_state.forced_throttle = att_target.thrust * 100.0f;
// Update timer for external throttle
plane.guided_state.last_forced_throttle_ms = now;
}
break;
}
case MAVLINK_MSG_ID_SET_HOME_POSITION:
{
mavlink_set_home_position_t packet;
mavlink_msg_set_home_position_decode(msg, &packet);
Location new_home_loc {};
new_home_loc.lat = packet.latitude;
new_home_loc.lng = packet.longitude;
new_home_loc.alt = packet.altitude / 10;
if (!set_home(new_home_loc, false)) {
// silently fails...
break;
}
break;
}
case MAVLINK_MSG_ID_SET_POSITION_TARGET_LOCAL_NED:
{
// decode packet
mavlink_set_position_target_local_ned_t packet;
mavlink_msg_set_position_target_local_ned_decode(msg, &packet);
// exit if vehicle is not in Guided mode
if (plane.control_mode != &plane.mode_guided) {
break;
}
// only local moves for now
if (packet.coordinate_frame != MAV_FRAME_LOCAL_OFFSET_NED) {
break;
}
// just do altitude for now
plane.next_WP_loc.alt += -packet.z*100.0;
gcs().send_text(MAV_SEVERITY_INFO, "Change alt to %.1f",
(double)((plane.next_WP_loc.alt - plane.home.alt)*0.01));
break;
}
case MAVLINK_MSG_ID_SET_POSITION_TARGET_GLOBAL_INT:
{
// Only want to allow companion computer position control when
// in a certain mode to avoid inadvertently sending these
// kinds of commands when the autopilot is responding to problems
// in modes such as RTL, CIRCLE, etc. Specifying ONLY one mode
// for companion computer control is more safe (provided
// one uses the FENCE_ACTION = 4 (RTL) for geofence failures).
if (plane.control_mode != &plane.mode_guided && plane.control_mode != &plane.mode_avoidADSB) {
//don't screw up failsafes
break;
}
mavlink_set_position_target_global_int_t pos_target;
mavlink_msg_set_position_target_global_int_decode(msg, &pos_target);
// Unexpectedly, the mask is expecting "ones" for dimensions that should
// be IGNORNED rather than INCLUDED. See mavlink documentation of the
// SET_POSITION_TARGET_GLOBAL_INT message, type_mask field.
const uint16_t alt_mask = 0b1111111111111011; // (z mask at bit 3)
bool msg_valid = true;
AP_Mission::Mission_Command cmd = {0};
if (pos_target.type_mask & alt_mask)
{
cmd.content.location.alt = pos_target.alt * 100;
cmd.content.location.relative_alt = false;
cmd.content.location.terrain_alt = false;
switch (pos_target.coordinate_frame)
{
case MAV_FRAME_GLOBAL_INT:
break; //default to MSL altitude
case MAV_FRAME_GLOBAL_RELATIVE_ALT_INT:
cmd.content.location.relative_alt = true;
break;
case MAV_FRAME_GLOBAL_TERRAIN_ALT_INT:
cmd.content.location.relative_alt = true;
cmd.content.location.terrain_alt = true;
break;
default:
gcs().send_text(MAV_SEVERITY_WARNING, "Invalid coord frame in SET_POSTION_TARGET_GLOBAL_INT");
msg_valid = false;
break;
}
if (msg_valid) {
handle_change_alt_request(cmd);
}
} // end if alt_mask
break;
}
case MAVLINK_MSG_ID_ADSB_VEHICLE:
case MAVLINK_MSG_ID_UAVIONIX_ADSB_OUT_CFG:
case MAVLINK_MSG_ID_UAVIONIX_ADSB_OUT_DYNAMIC:
case MAVLINK_MSG_ID_UAVIONIX_ADSB_TRANSCEIVER_HEALTH_REPORT:
plane.adsb.handle_message(chan, msg);
break;
default:
handle_common_message(msg);
break;
} // end switch
} // end handle mavlink
