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ardupilot/AntennaTracker/GCS_Mavlink.cpp

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#include "GCS_Mavlink.h"
#include "Tracker.h"
// default sensors are present and healthy: gyro, accelerometer, barometer, rate_control, attitude_stabilization, yaw_position, altitude control, x/y position control, motor_control
#define MAVLINK_SENSOR_PRESENT_DEFAULT (MAV_SYS_STATUS_SENSOR_3D_GYRO | MAV_SYS_STATUS_SENSOR_3D_ACCEL | MAV_SYS_STATUS_SENSOR_ABSOLUTE_PRESSURE | MAV_SYS_STATUS_SENSOR_ANGULAR_RATE_CONTROL | MAV_SYS_STATUS_SENSOR_ATTITUDE_STABILIZATION | MAV_SYS_STATUS_SENSOR_YAW_POSITION | MAV_SYS_STATUS_SENSOR_Z_ALTITUDE_CONTROL | MAV_SYS_STATUS_SENSOR_XY_POSITION_CONTROL | MAV_SYS_STATUS_SENSOR_MOTOR_OUTPUTS)
/*
* !!NOTE!!
*
* the use of NOINLINE separate functions for each message type avoids
* a compiler bug in gcc that would cause it to use far more stack
* space than is needed. Without the NOINLINE we use the sum of the
* stack needed for each message type. Please be careful to follow the
* pattern below when adding any new messages
*/
MAV_TYPE GCS_MAVLINK_Tracker::frame_type() const
{
return MAV_TYPE_ANTENNA_TRACKER;
}
MAV_MODE GCS_MAVLINK_Tracker::base_mode() const
{
uint8_t _base_mode = MAV_MODE_FLAG_CUSTOM_MODE_ENABLED;
// work out the base_mode. This value is not very useful
// for APM, but we calculate it as best we can so a generic
// MAVLink enabled ground station can work out something about
// what the MAV is up to. The actual bit values are highly
// ambiguous for most of the APM flight modes. In practice, you
// only get useful information from the custom_mode, which maps to
// the APM flight mode and has a well defined meaning in the
// ArduPlane documentation
switch (tracker.control_mode) {
case MANUAL:
_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
break;
case STOP:
break;
case SCAN:
case SERVO_TEST:
case AUTO:
_base_mode |= MAV_MODE_FLAG_GUIDED_ENABLED |
MAV_MODE_FLAG_STABILIZE_ENABLED;
// note that MAV_MODE_FLAG_AUTO_ENABLED does not match what
// APM does in any mode, as that is defined as "system finds its own goal
// positions", which APM does not currently do
break;
case INITIALISING:
break;
}
// we are armed if safety switch is not disarmed
if (hal.util->safety_switch_state() != AP_HAL::Util::SAFETY_DISARMED) {
_base_mode |= MAV_MODE_FLAG_SAFETY_ARMED;
}
return (MAV_MODE)_base_mode;
}
uint32_t GCS_MAVLINK_Tracker::custom_mode() const
{
return tracker.control_mode;
}
MAV_STATE GCS_MAVLINK_Tracker::system_status() const
{
if (tracker.control_mode == INITIALISING) {
return MAV_STATE_CALIBRATING;
}
return MAV_STATE_ACTIVE;
}
void Tracker::send_attitude(mavlink_channel_t chan)
{
Vector3f omega = ahrs.get_gyro();
mavlink_msg_attitude_send(
chan,
AP_HAL::millis(),
ahrs.roll,
ahrs.pitch,
ahrs.yaw,
omega.x,
omega.y,
omega.z);
}
void Tracker::send_extended_status1(mavlink_channel_t chan)
{
int16_t battery_current = -1;
int8_t battery_remaining = -1;
if (battery.has_current() && battery.healthy()) {
battery_remaining = battery.capacity_remaining_pct();
battery_current = battery.current_amps() * 100;
}
mavlink_msg_sys_status_send(
chan,
0,
0,
0,
static_cast<uint16_t>(scheduler.load_average() * 1000),
battery.voltage() * 1000, // mV
battery_current, // in 10mA units
battery_remaining, // in %
0, // comm drops %,
0, // comm drops in pkts,
0, 0, 0, 0);
}
void Tracker::send_location(mavlink_channel_t chan)
{
uint32_t fix_time;
if (gps.status() >= AP_GPS::GPS_OK_FIX_2D) {
fix_time = gps.last_fix_time_ms();
} else {
fix_time = AP_HAL::millis();
}
const Vector3f &vel = gps.velocity();
mavlink_msg_global_position_int_send(
chan,
fix_time,
current_loc.lat, // in 1E7 degrees
current_loc.lng, // in 1E7 degrees
current_loc.alt * 10, // millimeters above sea level
0,
vel.x * 100, // X speed cm/s (+ve North)
vel.y * 100, // Y speed cm/s (+ve East)
vel.z * 100, // Z speed cm/s (+ve Down)
ahrs.yaw_sensor);
}
void Tracker::send_nav_controller_output(mavlink_channel_t chan)
{
float alt_diff = (g.alt_source == ALT_SOURCE_BARO) ? nav_status.alt_difference_baro : nav_status.alt_difference_gps;
mavlink_msg_nav_controller_output_send(
chan,
0,
nav_status.pitch,
nav_status.bearing,
nav_status.bearing,
MIN(nav_status.distance, UINT16_MAX),
alt_diff,
0,
0);
}
// report simulator state
void Tracker::send_simstate(mavlink_channel_t chan)
{
#if CONFIG_HAL_BOARD == HAL_BOARD_SITL
sitl.simstate_send(chan);
#endif
}
bool GCS_MAVLINK_Tracker::handle_guided_request(AP_Mission::Mission_Command&)
{
// do nothing
return false;
}
void GCS_MAVLINK_Tracker::handle_change_alt_request(AP_Mission::Mission_Command&)
{
// do nothing
}
// try to send a message, return false if it won't fit in the serial tx buffer
bool GCS_MAVLINK_Tracker::try_send_message(enum ap_message id)
{
switch (id) {
case MSG_ATTITUDE:
CHECK_PAYLOAD_SIZE(ATTITUDE);
tracker.send_attitude(chan);
break;
case MSG_LOCATION:
CHECK_PAYLOAD_SIZE(GLOBAL_POSITION_INT);
tracker.send_location(chan);
break;
case MSG_NAV_CONTROLLER_OUTPUT:
CHECK_PAYLOAD_SIZE(NAV_CONTROLLER_OUTPUT);
tracker.send_nav_controller_output(chan);
break;
case MSG_SERVO_OUTPUT_RAW:
CHECK_PAYLOAD_SIZE(SERVO_OUTPUT_RAW);
send_servo_output_raw(false);
break;
case MSG_RAW_IMU1:
CHECK_PAYLOAD_SIZE(RAW_IMU);
send_raw_imu(tracker.ins, tracker.compass);
break;
case MSG_RAW_IMU2:
CHECK_PAYLOAD_SIZE(SCALED_PRESSURE);
send_scaled_pressure();
break;
case MSG_RAW_IMU3:
CHECK_PAYLOAD_SIZE(SENSOR_OFFSETS);
send_sensor_offsets(tracker.ins, tracker.compass);
break;
case MSG_SIMSTATE:
CHECK_PAYLOAD_SIZE(SIMSTATE);
tracker.send_simstate(chan);
break;
case MSG_EXTENDED_STATUS1:
CHECK_PAYLOAD_SIZE(SYS_STATUS);
tracker.send_extended_status1(chan);
break;
default:
return GCS_MAVLINK::try_send_message(id);
}
return true;
}
/*
default stream rates to 1Hz
*/
const AP_Param::GroupInfo GCS_MAVLINK::var_info[] = {
// @Param: RAW_SENS
// @DisplayName: Raw sensor stream rate
// @Description: Raw sensor stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("RAW_SENS", 0, GCS_MAVLINK, streamRates[0], 1),
// @Param: EXT_STAT
// @DisplayName: Extended status stream rate to ground station
// @Description: Extended status stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("EXT_STAT", 1, GCS_MAVLINK, streamRates[1], 1),
// @Param: RC_CHAN
// @DisplayName: RC Channel stream rate to ground station
// @Description: RC Channel stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("RC_CHAN", 2, GCS_MAVLINK, streamRates[2], 1),
// @Param: RAW_CTRL
// @DisplayName: Raw Control stream rate to ground station
// @Description: Raw Control stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("RAW_CTRL", 3, GCS_MAVLINK, streamRates[3], 1),
// @Param: POSITION
// @DisplayName: Position stream rate to ground station
// @Description: Position stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("POSITION", 4, GCS_MAVLINK, streamRates[4], 1),
// @Param: EXTRA1
// @DisplayName: Extra data type 1 stream rate to ground station
// @Description: Extra data type 1 stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("EXTRA1", 5, GCS_MAVLINK, streamRates[5], 1),
// @Param: EXTRA2
// @DisplayName: Extra data type 2 stream rate to ground station
// @Description: Extra data type 2 stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("EXTRA2", 6, GCS_MAVLINK, streamRates[6], 1),
// @Param: EXTRA3
// @DisplayName: Extra data type 3 stream rate to ground station
// @Description: Extra data type 3 stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("EXTRA3", 7, GCS_MAVLINK, streamRates[7], 1),
// @Param: PARAMS
// @DisplayName: Parameter stream rate to ground station
// @Description: Parameter stream rate to ground station
// @Units: Hz
// @Range: 0 10
// @Increment: 1
// @User: Advanced
AP_GROUPINFO("PARAMS", 8, GCS_MAVLINK, streamRates[8], 10),
AP_GROUPEND
};
void
GCS_MAVLINK_Tracker::data_stream_send(void)
{
send_queued_parameters();
if (tracker.in_mavlink_delay) {
// don't send any other stream types while in the delay callback
return;
}
if (stream_trigger(STREAM_RAW_SENSORS)) {
send_message(MSG_RAW_IMU1);
send_message(MSG_RAW_IMU2);
send_message(MSG_RAW_IMU3);
}
if (stream_trigger(STREAM_EXTENDED_STATUS)) {
send_message(MSG_EXTENDED_STATUS1);
send_message(MSG_EXTENDED_STATUS2);
send_message(MSG_NAV_CONTROLLER_OUTPUT);
send_message(MSG_GPS_RAW);
send_message(MSG_GPS_RTK);
send_message(MSG_GPS2_RAW);
send_message(MSG_GPS2_RTK);
}
if (stream_trigger(STREAM_POSITION)) {
send_message(MSG_LOCATION);
send_message(MSG_LOCAL_POSITION);
}
if (stream_trigger(STREAM_RAW_CONTROLLER)) {
send_message(MSG_SERVO_OUTPUT_RAW);
}
if (stream_trigger(STREAM_RC_CHANNELS)) {
send_message(MSG_RADIO_IN);
send_message(MSG_SERVO_OUTPUT_RAW);
}
if (stream_trigger(STREAM_EXTRA1)) {
send_message(MSG_ATTITUDE);
}
if (stream_trigger(STREAM_EXTRA3)) {
send_message(MSG_AHRS);
send_message(MSG_HWSTATUS);
send_message(MSG_SIMSTATE);
send_message(MSG_MAG_CAL_REPORT);
send_message(MSG_MAG_CAL_PROGRESS);
}
}
/*
We eavesdrop on MAVLINK_MSG_ID_GLOBAL_POSITION_INT and
MAVLINK_MSG_ID_SCALED_PRESSUREs
*/
void GCS_MAVLINK_Tracker::packetReceived(const mavlink_status_t &status,
mavlink_message_t &msg)
{
// return immediately if sysid doesn't match our target sysid
if ((tracker.g.sysid_target != 0) && (tracker.g.sysid_target != msg.sysid)) {
return;
}
switch (msg.msgid) {
case MAVLINK_MSG_ID_HEARTBEAT:
{
mavlink_check_target(msg);
break;
}
case MAVLINK_MSG_ID_GLOBAL_POSITION_INT:
{
// decode
mavlink_global_position_int_t packet;
mavlink_msg_global_position_int_decode(&msg, &packet);
tracker.tracking_update_position(packet);
break;
}
case MAVLINK_MSG_ID_SCALED_PRESSURE:
{
// decode
mavlink_scaled_pressure_t packet;
mavlink_msg_scaled_pressure_decode(&msg, &packet);
tracker.tracking_update_pressure(packet);
break;
}
}
GCS_MAVLINK::packetReceived(status, msg);
}
// locks onto a particular target sysid and sets it's position data stream to at least 1hz
void GCS_MAVLINK_Tracker::mavlink_check_target(const mavlink_message_t &msg)
{
// exit immediately if the target has already been set
if (tracker.target_set) {
return;
}
// decode
mavlink_heartbeat_t packet;
mavlink_msg_heartbeat_decode(&msg, &packet);
// exit immediately if this is not a vehicle we would track
if ((packet.type == MAV_TYPE_ANTENNA_TRACKER) ||
(packet.type == MAV_TYPE_GCS) ||
(packet.type == MAV_TYPE_ONBOARD_CONTROLLER) ||
(packet.type == MAV_TYPE_GIMBAL)) {
return;
}
// set our sysid to the target, this ensures we lock onto a single vehicle
if (tracker.g.sysid_target == 0) {
tracker.g.sysid_target = msg.sysid;
}
// send data stream request to target on all channels
// Note: this doesn't check success for all sends meaning it's not guaranteed the vehicle's positions will be sent at 1hz
tracker.gcs().request_datastream_position(msg.sysid, msg.compid);
tracker.gcs().request_datastream_airpressure(msg.sysid, msg.compid);
// flag target has been set
tracker.target_set = true;
}
uint8_t GCS_MAVLINK_Tracker::sysid_my_gcs() const
{
return tracker.g.sysid_my_gcs;
}
MAV_RESULT GCS_MAVLINK_Tracker::_handle_command_preflight_calibration_baro()
{
MAV_RESULT ret = GCS_MAVLINK::_handle_command_preflight_calibration_baro();
if (ret == MAV_RESULT_ACCEPTED) {
// zero the altitude difference on next baro update
tracker.nav_status.need_altitude_calibration = true;
}
return ret;
}
void GCS_MAVLINK_Tracker::handleMessage(mavlink_message_t* msg)
{
switch (msg->msgid) {
// If we are currently operating as a proxy for a remote,
// alas we have to look inside each packet to see if it's for us or for the remote
case MAVLINK_MSG_ID_REQUEST_DATA_STREAM:
{
handle_request_data_stream(msg, false);
break;
}
case MAVLINK_MSG_ID_HEARTBEAT:
break;
case MAVLINK_MSG_ID_COMMAND_LONG:
{
// decode
mavlink_command_long_t packet;
mavlink_msg_command_long_decode(msg, &packet);
MAV_RESULT result = MAV_RESULT_UNSUPPORTED;
// do command
send_text(MAV_SEVERITY_INFO,"Command received: ");
switch(packet.command) {
case MAV_CMD_COMPONENT_ARM_DISARM:
if (packet.target_component == MAV_COMP_ID_SYSTEM_CONTROL) {
if (is_equal(packet.param1,1.0f)) {
tracker.arm_servos();
result = MAV_RESULT_ACCEPTED;
} else if (is_zero(packet.param1)) {
tracker.disarm_servos();
result = MAV_RESULT_ACCEPTED;
} else {
result = MAV_RESULT_UNSUPPORTED;
}
} else {
result = MAV_RESULT_UNSUPPORTED;
}
break;
case MAV_CMD_GET_HOME_POSITION:
send_home(tracker.ahrs.get_home());
Location ekf_origin;
if (tracker.ahrs.get_origin(ekf_origin)) {
send_ekf_origin(ekf_origin);
}
result = MAV_RESULT_ACCEPTED;
break;
case MAV_CMD_DO_SET_SERVO:
if (tracker.servo_test_set_servo(packet.param1, packet.param2)) {
result = MAV_RESULT_ACCEPTED;
}
break;
// mavproxy/mavutil sends this when auto command is entered
case MAV_CMD_MISSION_START:
tracker.set_mode(AUTO, MODE_REASON_GCS_COMMAND);
result = MAV_RESULT_ACCEPTED;
break;
case MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN:
{
if (is_equal(packet.param1,1.0f) || is_equal(packet.param1,3.0f)) {
// when packet.param1 == 3 we reboot to hold in bootloader
hal.scheduler->reboot(is_equal(packet.param1,3.0f));
result = MAV_RESULT_ACCEPTED;
}
break;
}
case MAV_CMD_ACCELCAL_VEHICLE_POS:
result = MAV_RESULT_FAILED;
if (tracker.ins.get_acal()->gcs_vehicle_position(packet.param1)) {
result = MAV_RESULT_ACCEPTED;
}
break;
default:
result = handle_command_long_message(packet);
break;
}
mavlink_msg_command_ack_send(
chan,
packet.command,
result);
break;
}
// When mavproxy 'wp sethome'
case MAVLINK_MSG_ID_MISSION_WRITE_PARTIAL_LIST:
{
// decode
mavlink_mission_write_partial_list_t packet;
mavlink_msg_mission_write_partial_list_decode(msg, &packet);
if (packet.start_index == 0)
{
// New home at wp index 0. Ask for it
waypoint_receiving = true;
waypoint_request_i = 0;
waypoint_request_last = 0;
send_message(MSG_NEXT_WAYPOINT);
}
break;
}
// XXX receive a WP from GCS and store in EEPROM if it is HOME
case MAVLINK_MSG_ID_MISSION_ITEM:
{
// decode
mavlink_mission_item_t packet;
MAV_MISSION_RESULT result = MAV_MISSION_ACCEPTED;
mavlink_msg_mission_item_decode(msg, &packet);
struct Location tell_command = {};
switch (packet.frame)
{
case MAV_FRAME_MISSION:
case MAV_FRAME_GLOBAL:
{
tell_command.lat = 1.0e7f*packet.x; // in as DD converted to * t7
tell_command.lng = 1.0e7f*packet.y; // in as DD converted to * t7
tell_command.alt = packet.z*1.0e2f; // in as m converted to cm
tell_command.options = 0; // absolute altitude
break;
}
#ifdef MAV_FRAME_LOCAL_NED
case MAV_FRAME_LOCAL_NED: // local (relative to home position)
{
tell_command.lat = 1.0e7f*ToDeg(packet.x/
(RADIUS_OF_EARTH*cosf(ToRad(home.lat/1.0e7f)))) + home.lat;
tell_command.lng = 1.0e7f*ToDeg(packet.y/RADIUS_OF_EARTH) + home.lng;
tell_command.alt = -packet.z*1.0e2f;
tell_command.options = MASK_OPTIONS_RELATIVE_ALT;
break;
}
#endif
#ifdef MAV_FRAME_LOCAL
case MAV_FRAME_LOCAL: // local (relative to home position)
{
tell_command.lat = 1.0e7f*ToDeg(packet.x/
(RADIUS_OF_EARTH*cosf(ToRad(home.lat/1.0e7f)))) + home.lat;
tell_command.lng = 1.0e7f*ToDeg(packet.y/RADIUS_OF_EARTH) + home.lng;
tell_command.alt = packet.z*1.0e2f;
tell_command.options = MASK_OPTIONS_RELATIVE_ALT;
break;
}
#endif
case MAV_FRAME_GLOBAL_RELATIVE_ALT: // absolute lat/lng, relative altitude
{
tell_command.lat = 1.0e7f * packet.x; // in as DD converted to * t7
tell_command.lng = 1.0e7f * packet.y; // in as DD converted to * t7
tell_command.alt = packet.z * 1.0e2f;
tell_command.options = MASK_OPTIONS_RELATIVE_ALT; // store altitude relative!! Always!!
break;
}
default:
result = MAV_MISSION_UNSUPPORTED_FRAME;
break;
}
if (result != MAV_MISSION_ACCEPTED) goto mission_failed;
// Check if receiving waypoints (mission upload expected)
if (!waypoint_receiving) {
result = MAV_MISSION_ERROR;
goto mission_failed;
}
// check if this is the HOME wp
if (packet.seq == 0) {
tracker.set_home(tell_command); // New home in EEPROM
send_text(MAV_SEVERITY_INFO,"New HOME received");
waypoint_receiving = false;
}
mission_failed:
// we are rejecting the mission/waypoint
mavlink_msg_mission_ack_send(
chan,
msg->sysid,
msg->compid,
result,
MAV_MISSION_TYPE_MISSION);
break;
}
case MAVLINK_MSG_ID_MANUAL_CONTROL:
{
mavlink_manual_control_t packet;
mavlink_msg_manual_control_decode(msg, &packet);
tracker.tracking_manual_control(packet);
break;
}
case MAVLINK_MSG_ID_GLOBAL_POSITION_INT:
{
// decode
mavlink_global_position_int_t packet;
mavlink_msg_global_position_int_decode(msg, &packet);
tracker.tracking_update_position(packet);
break;
}
case MAVLINK_MSG_ID_SCALED_PRESSURE:
{
// decode
mavlink_scaled_pressure_t packet;
mavlink_msg_scaled_pressure_decode(msg, &packet);
tracker.tracking_update_pressure(packet);
break;
}
default:
handle_common_message(msg);
break;
} // end switch
} // end handle mavlink
/*
* a delay() callback that processes MAVLink packets. We set this as the
* callback in long running library initialisation routines to allow
* MAVLink to process packets while waiting for the initialisation to
* complete
*/
void Tracker::mavlink_delay_cb()
{
static uint32_t last_1hz, last_50hz, last_5s;
if (!gcs().chan(0).initialised) {
return;
}
tracker.in_mavlink_delay = true;
DataFlash.EnableWrites(false);
uint32_t tnow = AP_HAL::millis();
if (tnow - last_1hz > 1000) {
last_1hz = tnow;
gcs().send_message(MSG_HEARTBEAT);
gcs().send_message(MSG_EXTENDED_STATUS1);
}
if (tnow - last_50hz > 20) {
last_50hz = tnow;
gcs_update();
gcs_data_stream_send();
notify.update();
}
if (tnow - last_5s > 5000) {
last_5s = tnow;
gcs().send_text(MAV_SEVERITY_INFO, "Initialising APM");
}
DataFlash.EnableWrites(true);
tracker.in_mavlink_delay = false;
}
/*
* send data streams in the given rate range on both links
*/
void Tracker::gcs_data_stream_send(void)
{
gcs().data_stream_send();
}
/*
* look for incoming commands on the GCS links
*/
void Tracker::gcs_update(void)
{
gcs().update();
}
/**
retry any deferred messages
*/
void Tracker::gcs_retry_deferred(void)
{
gcs().retry_deferred();
}
Compass *GCS_MAVLINK_Tracker::get_compass() const
{
return &tracker.compass;
}
/*
set_mode() wrapper for MAVLink SET_MODE
*/
bool GCS_MAVLINK_Tracker::set_mode(uint8_t mode)
{
switch (mode) {
case AUTO:
case MANUAL:
case SCAN:
case SERVO_TEST:
case STOP:
tracker.set_mode((enum ControlMode)mode, MODE_REASON_GCS_COMMAND);
return true;
}
return false;
}
const AP_FWVersion &GCS_MAVLINK_Tracker::get_fwver() const
{
return tracker.fwver;
}
void GCS_MAVLINK_Tracker::set_ekf_origin(const Location& loc)
{
tracker.set_ekf_origin(loc);
}
/* dummy methods to avoid having to link against AP_Camera */
void AP_Camera::control_msg(mavlink_message_t const*) {}
void AP_Camera::configure(float, float, float, float, float, float, float) {}
void AP_Camera::control(float, float, float, float, float, float) {}
void AP_Camera::send_feedback(mavlink_channel_t chan) {}
/* end dummy methods to avoid having to link against AP_Camera */
// dummy method to avoid linking AFS
bool AP_AdvancedFailsafe::gcs_terminate(bool should_terminate, const char *reason) {return false;}
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