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ardupilot/APMrover2/GCS_Mavlink.cpp

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#include "Rover.h"
#include "GCS_Mavlink.h"
#include <AP_RangeFinder/RangeFinder_Backend.h>
MAV_TYPE GCS_Rover::frame_type() const
{
if (rover.is_boat()) {
return MAV_TYPE_SURFACE_BOAT;
}
return MAV_TYPE_GROUND_ROVER;
}
MAV_MODE GCS_MAVLINK_Rover::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
if (rover.control_mode->has_manual_input()) {
_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
}
if (rover.control_mode->is_autopilot_mode()) {
_base_mode |= MAV_MODE_FLAG_GUIDED_ENABLED;
}
#if defined(ENABLE_STICK_MIXING) && (ENABLE_STICK_MIXING == ENABLED) // TODO ???? Remove !
if (control_mode->stick_mixing_enabled()) {
// all modes except INITIALISING have some form of manual
// override if stick mixing is enabled
_base_mode |= MAV_MODE_FLAG_MANUAL_INPUT_ENABLED;
}
#endif
#if HIL_MODE != HIL_MODE_DISABLED
_base_mode |= MAV_MODE_FLAG_HIL_ENABLED;
#endif
// we are armed if we are not initialising
if (rover.control_mode != &rover.mode_initializing && rover.arming.is_armed()) {
_base_mode |= MAV_MODE_FLAG_SAFETY_ARMED;
}
// indicate we have set a custom mode
_base_mode |= MAV_MODE_FLAG_CUSTOM_MODE_ENABLED;
return (MAV_MODE)_base_mode;
}
uint32_t GCS_Rover::custom_mode() const
{
return rover.control_mode->mode_number();
}
MAV_STATE GCS_MAVLINK_Rover::system_status() const
{
if ((rover.failsafe.triggered != 0) || rover.failsafe.ekf) {
return MAV_STATE_CRITICAL;
}
if (rover.control_mode == &rover.mode_initializing) {
return MAV_STATE_CALIBRATING;
}
if (rover.control_mode == &rover.mode_hold) {
return MAV_STATE_STANDBY;
}
return MAV_STATE_ACTIVE;
}
void GCS_MAVLINK_Rover::send_nav_controller_output() const
{
if (!rover.control_mode->is_autopilot_mode()) {
return;
}
const Mode *control_mode = rover.control_mode;
mavlink_msg_nav_controller_output_send(
chan,
0, // roll
degrees(rover.g2.attitude_control.get_desired_pitch()),
control_mode->nav_bearing(),
control_mode->wp_bearing(),
MIN(control_mode->get_distance_to_destination(), UINT16_MAX),
0,
control_mode->speed_error(),
control_mode->crosstrack_error());
}
void Rover::send_servo_out(mavlink_channel_t chan)
{
float motor1, motor3;
if (g2.motors.have_skid_steering()) {
motor1 = 10000 * (SRV_Channels::get_output_scaled(SRV_Channel::k_throttleLeft) / 1000.0f);
motor3 = 10000 * (SRV_Channels::get_output_scaled(SRV_Channel::k_throttleRight) / 1000.0f);
} else {
motor1 = 10000 * (SRV_Channels::get_output_scaled(SRV_Channel::k_steering) / 4500.0f);
motor3 = 10000 * (SRV_Channels::get_output_scaled(SRV_Channel::k_throttle) / 100.0f);
}
mavlink_msg_rc_channels_scaled_send(
chan,
millis(),
0, // port 0
motor1,
0,
motor3,
0,
0,
0,
0,
0,
rssi.read_receiver_rssi_uint8());
}
int16_t GCS_MAVLINK_Rover::vfr_hud_throttle() const
{
return rover.g2.motors.get_throttle();
}
void GCS_MAVLINK_Rover::send_rangefinder() const
{
float distance_cm;
float voltage;
bool got_one = false;
// report smaller distance of all rangefinders
for (uint8_t i=0; i<rover.rangefinder.num_sensors(); i++) {
AP_RangeFinder_Backend *s = rover.rangefinder.get_backend(i);
if (s == nullptr) {
continue;
}
if (!got_one ||
s->distance_cm() < distance_cm) {
distance_cm = s->distance_cm();
voltage = s->voltage_mv();
got_one = true;
}
}
if (!got_one) {
// no relevant data found
return;
}
mavlink_msg_rangefinder_send(
chan,
distance_cm * 0.01f,
voltage);
}
/*
send PID tuning message
*/
void GCS_MAVLINK_Rover::send_pid_tuning()
{
Parameters &g = rover.g;
ParametersG2 &g2 = rover.g2;
const AP_AHRS &ahrs = AP::ahrs();
const AP_Logger::PID_Info *pid_info;
// steering PID
if (g.gcs_pid_mask & 1) {
pid_info = &g2.attitude_control.get_steering_rate_pid().get_pid_info();
mavlink_msg_pid_tuning_send(chan, PID_TUNING_STEER,
degrees(pid_info->desired),
degrees(ahrs.get_yaw_rate_earth()),
pid_info->FF,
pid_info->P,
pid_info->I,
pid_info->D);
if (!HAVE_PAYLOAD_SPACE(chan, PID_TUNING)) {
return;
}
}
// speed to throttle PID
if (g.gcs_pid_mask & 2) {
pid_info = &g2.attitude_control.get_throttle_speed_pid().get_pid_info();
float speed = 0.0f;
g2.attitude_control.get_forward_speed(speed);
mavlink_msg_pid_tuning_send(chan, PID_TUNING_ACCZ,
pid_info->desired,
speed,
0,
pid_info->P,
pid_info->I,
pid_info->D);
if (!HAVE_PAYLOAD_SPACE(chan, PID_TUNING)) {
return;
}
}
// pitch to throttle pid
if (g.gcs_pid_mask & 4) {
pid_info = &g2.attitude_control.get_pitch_to_throttle_pid().get_pid_info();
mavlink_msg_pid_tuning_send(chan, PID_TUNING_PITCH,
degrees(pid_info->desired),
degrees(ahrs.pitch),
pid_info->FF,
pid_info->P,
pid_info->I,
pid_info->D);
if (!HAVE_PAYLOAD_SPACE(chan, PID_TUNING)) {
return;
}
}
// left wheel rate control pid
if (g.gcs_pid_mask & 8) {
pid_info = &g2.wheel_rate_control.get_pid(0).get_pid_info();
mavlink_msg_pid_tuning_send(chan, 7,
pid_info->desired,
pid_info->actual,
pid_info->FF,
pid_info->P,
pid_info->I,
pid_info->D);
if (!HAVE_PAYLOAD_SPACE(chan, PID_TUNING)) {
return;
}
}
// right wheel rate control pid
if (g.gcs_pid_mask & 16) {
pid_info = &g2.wheel_rate_control.get_pid(1).get_pid_info();
mavlink_msg_pid_tuning_send(chan, 8,
pid_info->desired,
pid_info->actual,
pid_info->FF,
pid_info->P,
pid_info->I,
pid_info->D);
if (!HAVE_PAYLOAD_SPACE(chan, PID_TUNING)) {
return;
}
}
// sailboat heel to mainsail pid
if (g.gcs_pid_mask & 32) {
pid_info = &g2.attitude_control.get_sailboat_heel_pid().get_pid_info();
mavlink_msg_pid_tuning_send(chan, 9,
pid_info->desired,
pid_info->actual,
pid_info->FF,
pid_info->P,
pid_info->I,
pid_info->D);
if (!HAVE_PAYLOAD_SPACE(chan, PID_TUNING)) {
return;
}
}
}
void Rover::send_wheel_encoder_distance(mavlink_channel_t chan)
{
// send wheel encoder data using wheel_distance message
if (g2.wheel_encoder.num_sensors() > 0) {
double distances[MAVLINK_MSG_WHEEL_DISTANCE_FIELD_DISTANCE_LEN] {};
for (uint8_t i = 0; i < g2.wheel_encoder.num_sensors(); i++) {
distances[i] = wheel_encoder_last_distance_m[i];
}
mavlink_msg_wheel_distance_send(chan, 1000UL * wheel_encoder_last_ekf_update_ms, g2.wheel_encoder.num_sensors(), distances);
}
}
uint8_t GCS_MAVLINK_Rover::sysid_my_gcs() const
{
return rover.g.sysid_my_gcs;
}
bool GCS_MAVLINK_Rover::sysid_enforce() const
{
return rover.g2.sysid_enforce;
}
uint32_t GCS_MAVLINK_Rover::telem_delay() const
{
return static_cast<uint32_t>(rover.g.telem_delay);
}
bool GCS_Rover::vehicle_initialised() const
{
return rover.control_mode != &rover.mode_initializing;
}
// 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 we don't have at least 0.2ms 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 (!hal.scheduler->in_delay_callback() &&
!AP_BoardConfig::in_sensor_config_error() &&
rover.scheduler.time_available_usec() < 200) {
gcs().set_out_of_time(true);
return false;
}
switch (id) {
case MSG_SERVO_OUT:
CHECK_PAYLOAD_SIZE(RC_CHANNELS_SCALED);
rover.send_servo_out(chan);
break;
case MSG_WHEEL_DISTANCE:
CHECK_PAYLOAD_SIZE(WHEEL_DISTANCE);
rover.send_wheel_encoder_distance(chan);
break;
case MSG_WIND:
CHECK_PAYLOAD_SIZE(WIND);
rover.g2.windvane.send_wind(chan);
break;
default:
return GCS_MAVLINK::try_send_message(id);
}
return true;
}
void GCS_MAVLINK_Rover::packetReceived(const mavlink_status_t &status, mavlink_message_t &msg)
{
// pass message to follow library
rover.g2.follow.handle_msg(msg);
GCS_MAVLINK::packetReceived(status, msg);
}
/*
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
};
static const ap_message STREAM_RAW_SENSORS_msgs[] = {
MSG_RAW_IMU,
MSG_SCALED_IMU2,
MSG_SCALED_IMU3,
MSG_SCALED_PRESSURE,
MSG_SCALED_PRESSURE2,
MSG_SCALED_PRESSURE3,
MSG_SENSOR_OFFSETS
};
static const ap_message STREAM_EXTENDED_STATUS_msgs[] = {
MSG_SYS_STATUS,
MSG_POWER_STATUS,
MSG_MEMINFO,
MSG_CURRENT_WAYPOINT,
MSG_GPS_RAW,
MSG_GPS_RTK,
MSG_GPS2_RAW,
MSG_GPS2_RTK,
MSG_NAV_CONTROLLER_OUTPUT,
MSG_FENCE_STATUS,
};
static const ap_message STREAM_POSITION_msgs[] = {
MSG_LOCATION,
MSG_LOCAL_POSITION
};
static const ap_message STREAM_RAW_CONTROLLER_msgs[] = {
MSG_SERVO_OUT,
};
static const ap_message STREAM_RC_CHANNELS_msgs[] = {
MSG_SERVO_OUTPUT_RAW,
MSG_RADIO_IN
};
static const ap_message STREAM_EXTRA1_msgs[] = {
MSG_ATTITUDE,
MSG_SIMSTATE,
MSG_AHRS2,
MSG_AHRS3,
MSG_PID_TUNING,
};
static const ap_message STREAM_EXTRA2_msgs[] = {
MSG_VFR_HUD
};
static const ap_message STREAM_EXTRA3_msgs[] = {
MSG_AHRS,
MSG_HWSTATUS,
MSG_WIND,
MSG_RANGEFINDER,
MSG_DISTANCE_SENSOR,
MSG_SYSTEM_TIME,
MSG_BATTERY2,
MSG_BATTERY_STATUS,
MSG_MOUNT_STATUS,
MSG_MAG_CAL_REPORT,
MSG_MAG_CAL_PROGRESS,
MSG_EKF_STATUS_REPORT,
MSG_VIBRATION,
MSG_RPM,
MSG_WHEEL_DISTANCE,
MSG_ESC_TELEMETRY,
};
static const ap_message STREAM_PARAMS_msgs[] = {
MSG_NEXT_PARAM
};
const struct GCS_MAVLINK::stream_entries GCS_MAVLINK::all_stream_entries[] = {
MAV_STREAM_ENTRY(STREAM_RAW_SENSORS),
MAV_STREAM_ENTRY(STREAM_EXTENDED_STATUS),
MAV_STREAM_ENTRY(STREAM_POSITION),
MAV_STREAM_ENTRY(STREAM_RAW_CONTROLLER),
MAV_STREAM_ENTRY(STREAM_RC_CHANNELS),
MAV_STREAM_ENTRY(STREAM_EXTRA1),
MAV_STREAM_ENTRY(STREAM_EXTRA2),
MAV_STREAM_ENTRY(STREAM_EXTRA3),
MAV_STREAM_ENTRY(STREAM_PARAMS),
MAV_STREAM_TERMINATOR // must have this at end of stream_entries
};
bool GCS_MAVLINK_Rover::in_hil_mode() const
{
#if HIL_MODE != HIL_MODE_DISABLED
return rover.g.hil_mode == 1;
#endif
return false;
}
bool GCS_MAVLINK_Rover::handle_guided_request(AP_Mission::Mission_Command &cmd)
{
if (!rover.control_mode->in_guided_mode()) {
// only accept position updates when in GUIDED mode
return false;
}
// make any new wp uploaded instant (in case we are already in Guided mode)
rover.mode_guided.set_desired_location(cmd.content.location);
return true;
}
void GCS_MAVLINK_Rover::handle_change_alt_request(AP_Mission::Mission_Command &cmd)
{
// nothing to do
}
MAV_RESULT GCS_MAVLINK_Rover::_handle_command_preflight_calibration(const mavlink_command_long_t &packet)
{
if (is_equal(packet.param4, 1.0f)) {
if (rover.trim_radio()) {
return MAV_RESULT_ACCEPTED;
} else {
return MAV_RESULT_FAILED;
}
} else if (is_equal(packet.param6, 1.0f)) {
if (rover.g2.windvane.start_calibration()) {
return MAV_RESULT_ACCEPTED;
} else {
return MAV_RESULT_FAILED;
}
}
return GCS_MAVLINK::_handle_command_preflight_calibration(packet);
}
bool GCS_MAVLINK_Rover::set_home_to_current_location(bool lock) {
return rover.set_home_to_current_location(lock);
}
bool GCS_MAVLINK_Rover::set_home(const Location& loc, bool lock) {
return rover.set_home(loc, lock);
}
MAV_RESULT GCS_MAVLINK_Rover::handle_command_int_packet(const mavlink_command_int_t &packet)
{
switch (packet.command) {
case MAV_CMD_DO_CHANGE_SPEED:
// param1 : unused
// param2 : new speed in m/s
if (!rover.control_mode->set_desired_speed(packet.param2)) {
return MAV_RESULT_FAILED;
}
return MAV_RESULT_ACCEPTED;
case MAV_CMD_DO_SET_REVERSE:
// param1 : Direction (0=Forward, 1=Reverse)
rover.control_mode->set_reversed(is_equal(packet.param1,1.0f));
return MAV_RESULT_ACCEPTED;
default:
return GCS_MAVLINK::handle_command_int_packet(packet);
}
}
MAV_RESULT GCS_MAVLINK_Rover::handle_command_long_packet(const mavlink_command_long_t &packet)
{
switch (packet.command) {
case MAV_CMD_NAV_RETURN_TO_LAUNCH:
if (rover.set_mode(rover.mode_rtl, MODE_REASON_GCS_COMMAND)) {
return MAV_RESULT_ACCEPTED;
}
return MAV_RESULT_FAILED;
case MAV_CMD_MISSION_START:
if (rover.set_mode(rover.mode_auto, MODE_REASON_GCS_COMMAND)) {
return MAV_RESULT_ACCEPTED;
}
return MAV_RESULT_FAILED;
case MAV_CMD_COMPONENT_ARM_DISARM:
if (is_equal(packet.param1, 1.0f)) {
// run pre_arm_checks and arm_checks and display failures
if (rover.arm_motors(AP_Arming::Method::MAVLINK)) {
return MAV_RESULT_ACCEPTED;
} else {
return MAV_RESULT_FAILED;
}
} else if (is_zero(packet.param1)) {
if (rover.disarm_motors()) {
return MAV_RESULT_ACCEPTED;
} else {
return MAV_RESULT_FAILED;
}
}
return MAV_RESULT_UNSUPPORTED;
case MAV_CMD_DO_CHANGE_SPEED:
// param1 : unused
// param2 : new speed in m/s
if (!rover.control_mode->set_desired_speed(packet.param2)) {
return MAV_RESULT_FAILED;
}
return MAV_RESULT_ACCEPTED;
case MAV_CMD_DO_SET_HOME:
{
// param1 : use current (1=use current location, 0=use specified location)
// param5 : latitude
// param6 : longitude
// param7 : altitude
if (is_equal(packet.param1, 1.0f)) {
if (rover.set_home_to_current_location(true)) {
return MAV_RESULT_ACCEPTED;
}
} else {
// ensure param1 is zero
if (!is_zero(packet.param1)) {
return MAV_RESULT_FAILED;
}
Location new_home_loc {};
new_home_loc.lat = static_cast<int32_t>(packet.param5 * 1.0e7f);
new_home_loc.lng = static_cast<int32_t>(packet.param6 * 1.0e7f);
new_home_loc.alt = static_cast<int32_t>(packet.param7 * 100.0f);
if (rover.set_home(new_home_loc, true)) {
return MAV_RESULT_ACCEPTED;
}
}
return MAV_RESULT_FAILED;
}
case MAV_CMD_DO_SET_REVERSE:
// param1 : Direction (0=Forward, 1=Reverse)
rover.control_mode->set_reversed(is_equal(packet.param1,1.0f));
return MAV_RESULT_ACCEPTED;
case MAV_CMD_NAV_SET_YAW_SPEED:
{
// param1 : yaw angle to adjust direction by in centidegress
// param2 : Speed - normalized to 0 .. 1
// exit if vehicle is not in Guided mode
if (!rover.control_mode->in_guided_mode()) {
return MAV_RESULT_FAILED;
}
// send yaw change and target speed to guided mode controller
const float speed_max = rover.control_mode->get_speed_default();
const float target_speed = constrain_float(packet.param2 * speed_max, -speed_max, speed_max);
rover.mode_guided.set_desired_heading_delta_and_speed(packet.param1, target_speed);
return MAV_RESULT_ACCEPTED;
}
case MAV_CMD_DO_MOTOR_TEST:
// param1 : motor sequence number (a number from 1 to max number of motors on the vehicle)
// param2 : throttle type (0=throttle percentage, 1=PWM, 2=pilot throttle channel pass-through. See MOTOR_TEST_THROTTLE_TYPE enum)
// param3 : throttle (range depends upon param2)
// param4 : timeout (in seconds)
return rover.mavlink_motor_test_start(chan,
static_cast<uint8_t>(packet.param1),
static_cast<uint8_t>(packet.param2),
static_cast<int16_t>(packet.param3),
packet.param4);
default:
return GCS_MAVLINK::handle_command_long_packet(packet);
}
}
// a RC override message is considered to be a 'heartbeat' from the ground station for failsafe purposes
void GCS_MAVLINK_Rover::handle_rc_channels_override(const mavlink_message_t *msg)
{
rover.failsafe.last_heartbeat_ms = AP_HAL::millis();
GCS_MAVLINK::handle_rc_channels_override(msg);
}
void GCS_MAVLINK_Rover::handleMessage(mavlink_message_t* msg)
{
switch (msg->msgid) {
case MAVLINK_MSG_ID_MANUAL_CONTROL:
{
if (msg->sysid != rover.g.sysid_my_gcs) { // Only accept control from our gcs
break;
}
mavlink_manual_control_t packet;
mavlink_msg_manual_control_decode(msg, &packet);
if (packet.target != rover.g.sysid_this_mav) {
break; // only accept control aimed at us
}
uint32_t tnow = AP_HAL::millis();
const int16_t roll = (packet.y == INT16_MAX) ? 0 : rover.channel_steer->get_radio_min() + (rover.channel_steer->get_radio_max() - rover.channel_steer->get_radio_min()) * (packet.y + 1000) / 2000.0f;
const int16_t throttle = (packet.z == INT16_MAX) ? 0 : rover.channel_throttle->get_radio_min() + (rover.channel_throttle->get_radio_max() - rover.channel_throttle->get_radio_min()) * (packet.z + 1000) / 2000.0f;
RC_Channels::set_override(uint8_t(rover.rcmap.roll() - 1), roll, tnow);
RC_Channels::set_override(uint8_t(rover.rcmap.throttle() - 1), throttle, tnow);
// a manual control message is considered to be a 'heartbeat' from the ground station for failsafe purposes
rover.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 != rover.g.sysid_my_gcs) {
break;
}
rover.failsafe.last_heartbeat_ms = AP_HAL::millis();
break;
}
case MAVLINK_MSG_ID_SET_ATTITUDE_TARGET: // MAV ID: 82
{
// decode packet
mavlink_set_attitude_target_t packet;
mavlink_msg_set_attitude_target_decode(msg, &packet);
// exit if vehicle is not in Guided mode
if (!rover.control_mode->in_guided_mode()) {
break;
}
// ensure type_mask specifies to use thrust
if ((packet.type_mask & MAVLINK_SET_ATT_TYPE_MASK_THROTTLE_IGNORE) != 0) {
break;
}
// convert thrust to ground speed
packet.thrust = constrain_float(packet.thrust, -1.0f, 1.0f);
const float target_speed = rover.control_mode->get_speed_default() * packet.thrust;
// if the body_yaw_rate field is ignored, convert quaternion to heading
if ((packet.type_mask & MAVLINK_SET_ATT_TYPE_MASK_YAW_RATE_IGNORE) != 0) {
// convert quaternion to heading
float target_heading_cd = degrees(Quaternion(packet.q[0], packet.q[1], packet.q[2], packet.q[3]).get_euler_yaw()) * 100.0f;
rover.mode_guided.set_desired_heading_and_speed(target_heading_cd, target_speed);
} else {
// use body_yaw_rate field
rover.mode_guided.set_desired_turn_rate_and_speed((RAD_TO_DEG * packet.body_yaw_rate) * 100.0f, target_speed);
}
break;
}
case MAVLINK_MSG_ID_SET_POSITION_TARGET_LOCAL_NED: // MAV ID: 84
{
// 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 (!rover.control_mode->in_guided_mode()) {
break;
}
// check for supported coordinate frames
if (packet.coordinate_frame != MAV_FRAME_LOCAL_NED &&
packet.coordinate_frame != MAV_FRAME_LOCAL_OFFSET_NED &&
packet.coordinate_frame != MAV_FRAME_BODY_NED &&
packet.coordinate_frame != MAV_FRAME_BODY_OFFSET_NED) {
break;
}
bool pos_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_POS_IGNORE;
bool vel_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_VEL_IGNORE;
bool acc_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_ACC_IGNORE;
bool yaw_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_YAW_IGNORE;
bool yaw_rate_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_YAW_RATE_IGNORE;
// prepare target position
Location target_loc = rover.current_loc;
if (!pos_ignore) {
switch (packet.coordinate_frame) {
case MAV_FRAME_BODY_NED:
case MAV_FRAME_BODY_OFFSET_NED: {
// rotate from body-frame to NE frame
const float ne_x = packet.x * rover.ahrs.cos_yaw() - packet.y * rover.ahrs.sin_yaw();
const float ne_y = packet.x * rover.ahrs.sin_yaw() + packet.y * rover.ahrs.cos_yaw();
// add offset to current location
target_loc.offset(ne_x, ne_y);
}
break;
case MAV_FRAME_LOCAL_OFFSET_NED:
// add offset to current location
target_loc.offset(packet.x, packet.y);
break;
default:
// MAV_FRAME_LOCAL_NED interpret as an offset from home
target_loc = rover.ahrs.get_home();
target_loc.offset(packet.x, packet.y);
break;
}
}
float target_speed = 0.0f;
float target_yaw_cd = 0.0f;
// consume velocity and convert to target speed and heading
if (!vel_ignore) {
const float speed_max = rover.control_mode->get_speed_default();
// convert vector length into a speed
target_speed = constrain_float(safe_sqrt(sq(packet.vx) + sq(packet.vy)), -speed_max, speed_max);
// convert vector direction to target yaw
target_yaw_cd = degrees(atan2f(packet.vy, packet.vx)) * 100.0f;
// rotate target yaw if provided in body-frame
if (packet.coordinate_frame == MAV_FRAME_BODY_NED || packet.coordinate_frame == MAV_FRAME_BODY_OFFSET_NED) {
target_yaw_cd = wrap_180_cd(target_yaw_cd + rover.ahrs.yaw_sensor);
}
}
// consume yaw heading
if (!yaw_ignore) {
target_yaw_cd = ToDeg(packet.yaw) * 100.0f;
// rotate target yaw if provided in body-frame
if (packet.coordinate_frame == MAV_FRAME_BODY_NED || packet.coordinate_frame == MAV_FRAME_BODY_OFFSET_NED) {
target_yaw_cd = wrap_180_cd(target_yaw_cd + rover.ahrs.yaw_sensor);
}
}
// consume yaw rate
float target_turn_rate_cds = 0.0f;
if (!yaw_rate_ignore) {
target_turn_rate_cds = ToDeg(packet.yaw_rate) * 100.0f;
}
// handling case when both velocity and either yaw or yaw-rate are provided
// by default, we consider that the rover will drive forward
float speed_dir = 1.0f;
if (!vel_ignore && (!yaw_ignore || !yaw_rate_ignore)) {
// Note: we are using the x-axis velocity to determine direction even though
// the frame may have been provided in MAV_FRAME_LOCAL_OFFSET_NED or MAV_FRAME_LOCAL_NED
if (is_negative(packet.vx)) {
speed_dir = -1.0f;
}
}
// set guided mode targets
if (!pos_ignore) {
// consume position target
rover.mode_guided.set_desired_location(target_loc);
} else if (pos_ignore && !vel_ignore && acc_ignore && yaw_ignore && yaw_rate_ignore) {
// consume velocity
rover.mode_guided.set_desired_heading_and_speed(target_yaw_cd, speed_dir * target_speed);
} else if (pos_ignore && !vel_ignore && acc_ignore && yaw_ignore && !yaw_rate_ignore) {
// consume velocity and turn rate
rover.mode_guided.set_desired_turn_rate_and_speed(target_turn_rate_cds, speed_dir * target_speed);
} else if (pos_ignore && !vel_ignore && acc_ignore && !yaw_ignore && yaw_rate_ignore) {
// consume velocity and heading
rover.mode_guided.set_desired_heading_and_speed(target_yaw_cd, speed_dir * target_speed);
} else if (pos_ignore && vel_ignore && acc_ignore && !yaw_ignore && yaw_rate_ignore) {
// consume just target heading (probably only skid steering vehicles can do this)
rover.mode_guided.set_desired_heading_and_speed(target_yaw_cd, 0.0f);
} else if (pos_ignore && vel_ignore && acc_ignore && yaw_ignore && !yaw_rate_ignore) {
// consume just turn rate (probably only skid steering vehicles can do this)
rover.mode_guided.set_desired_turn_rate_and_speed(target_turn_rate_cds, 0.0f);
}
break;
}
case MAVLINK_MSG_ID_SET_POSITION_TARGET_GLOBAL_INT: // MAV ID: 86
{
// decode packet
mavlink_set_position_target_global_int_t packet;
mavlink_msg_set_position_target_global_int_decode(msg, &packet);
// exit if vehicle is not in Guided mode
if (!rover.control_mode->in_guided_mode()) {
break;
}
// check for supported coordinate frames
if (packet.coordinate_frame != MAV_FRAME_GLOBAL &&
packet.coordinate_frame != MAV_FRAME_GLOBAL_INT &&
packet.coordinate_frame != MAV_FRAME_GLOBAL_RELATIVE_ALT &&
packet.coordinate_frame != MAV_FRAME_GLOBAL_RELATIVE_ALT_INT &&
packet.coordinate_frame != MAV_FRAME_GLOBAL_TERRAIN_ALT &&
packet.coordinate_frame != MAV_FRAME_GLOBAL_TERRAIN_ALT_INT) {
break;
}
bool pos_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_POS_IGNORE;
bool vel_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_VEL_IGNORE;
bool acc_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_ACC_IGNORE;
bool yaw_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_YAW_IGNORE;
bool yaw_rate_ignore = packet.type_mask & MAVLINK_SET_POS_TYPE_MASK_YAW_RATE_IGNORE;
// prepare target position
Location target_loc = rover.current_loc;
if (!pos_ignore) {
// sanity check location
if (!check_latlng(packet.lat_int, packet.lon_int)) {
// result = MAV_RESULT_FAILED;
break;
}
target_loc.lat = packet.lat_int;
target_loc.lng = packet.lon_int;
}
float target_speed = 0.0f;
float target_yaw_cd = 0.0f;
// consume velocity and convert to target speed and heading
if (!vel_ignore) {
const float speed_max = rover.control_mode->get_speed_default();
// convert vector length into a speed
target_speed = constrain_float(safe_sqrt(sq(packet.vx) + sq(packet.vy)), -speed_max, speed_max);
// convert vector direction to target yaw
target_yaw_cd = degrees(atan2f(packet.vy, packet.vx)) * 100.0f;
// rotate target yaw if provided in body-frame
if (packet.coordinate_frame == MAV_FRAME_BODY_NED || packet.coordinate_frame == MAV_FRAME_BODY_OFFSET_NED) {
target_yaw_cd = wrap_180_cd(target_yaw_cd + rover.ahrs.yaw_sensor);
}
}
// consume yaw heading
if (!yaw_ignore) {
target_yaw_cd = ToDeg(packet.yaw) * 100.0f;
// rotate target yaw if provided in body-frame
if (packet.coordinate_frame == MAV_FRAME_BODY_NED || packet.coordinate_frame == MAV_FRAME_BODY_OFFSET_NED) {
target_yaw_cd = wrap_180_cd(target_yaw_cd + rover.ahrs.yaw_sensor);
}
}
// consume yaw rate
float target_turn_rate_cds = 0.0f;
if (!yaw_rate_ignore) {
target_turn_rate_cds = ToDeg(packet.yaw_rate) * 100.0f;
}
// handling case when both velocity and either yaw or yaw-rate are provided
// by default, we consider that the rover will drive forward
float speed_dir = 1.0f;
if (!vel_ignore && (!yaw_ignore || !yaw_rate_ignore)) {
// Note: we are using the x-axis velocity to determine direction even though
// the frame is provided in MAV_FRAME_GLOBAL_xxx
if (is_negative(packet.vx)) {
speed_dir = -1.0f;
}
}
// set guided mode targets
if (!pos_ignore) {
// consume position target
rover.mode_guided.set_desired_location(target_loc);
} else if (pos_ignore && !vel_ignore && acc_ignore && yaw_ignore && yaw_rate_ignore) {
// consume velocity
rover.mode_guided.set_desired_heading_and_speed(target_yaw_cd, speed_dir * target_speed);
} else if (pos_ignore && !vel_ignore && acc_ignore && yaw_ignore && !yaw_rate_ignore) {
// consume velocity and turn rate
rover.mode_guided.set_desired_turn_rate_and_speed(target_turn_rate_cds, speed_dir * target_speed);
} else if (pos_ignore && !vel_ignore && acc_ignore && !yaw_ignore && yaw_rate_ignore) {
// consume velocity
rover.mode_guided.set_desired_heading_and_speed(target_yaw_cd, speed_dir * target_speed);
} else if (pos_ignore && vel_ignore && acc_ignore && !yaw_ignore && yaw_rate_ignore) {
// consume just target heading (probably only skid steering vehicles can do this)
rover.mode_guided.set_desired_heading_and_speed(target_yaw_cd, 0.0f);
} else if (pos_ignore && vel_ignore && acc_ignore && yaw_ignore && !yaw_rate_ignore) {
// consume just turn rate(probably only skid steering vehicles can do this)
rover.mode_guided.set_desired_turn_rate_and_speed(target_turn_rate_cds, 0.0f);
}
break;
}
#if HIL_MODE != HIL_MODE_DISABLED
case MAVLINK_MSG_ID_HIL_STATE:
{
mavlink_hil_state_t packet;
mavlink_msg_hil_state_decode(msg, &packet);
// sanity check location
if (!check_latlng(packet.lat, packet.lon)) {
break;
}
// set gps hil sensor
Location loc;
loc.lat = packet.lat;
loc.lng = packet.lon;
loc.alt = packet.alt/10;
Vector3f vel(packet.vx, packet.vy, packet.vz);
vel *= 0.01f;
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/1000.0f);
accels.y = packet.yacc * (GRAVITY_MSS/1000.0f);
accels.z = packet.zacc * (GRAVITY_MSS/1000.0f);
ins.set_gyro(0, gyros);
ins.set_accel(0, accels);
compass.setHIL(0, packet.roll, packet.pitch, packet.yaw);
compass.setHIL(1, packet.roll, packet.pitch, packet.yaw);
break;
}
#endif // HIL_MODE
case MAVLINK_MSG_ID_RADIO:
case MAVLINK_MSG_ID_RADIO_STATUS:
{
handle_radio_status(msg, rover.logger, rover.should_log(MASK_LOG_PM));
break;
}
case MAVLINK_MSG_ID_DISTANCE_SENSOR:
rover.rangefinder.handle_msg(msg);
rover.g2.proximity.handle_msg(msg);
break;
case MAVLINK_MSG_ID_OBSTACLE_DISTANCE:
rover.g2.proximity.handle_msg(msg);
break;
default:
handle_common_message(msg);
break;
} // end switch
} // end handle mavlink
uint64_t GCS_MAVLINK_Rover::capabilities() const
{
return (MAV_PROTOCOL_CAPABILITY_MISSION_FLOAT |
MAV_PROTOCOL_CAPABILITY_PARAM_FLOAT |
MAV_PROTOCOL_CAPABILITY_MISSION_INT |
MAV_PROTOCOL_CAPABILITY_COMMAND_INT |
MAV_PROTOCOL_CAPABILITY_SET_POSITION_TARGET_LOCAL_NED |
MAV_PROTOCOL_CAPABILITY_SET_POSITION_TARGET_GLOBAL_INT |
MAV_PROTOCOL_CAPABILITY_SET_ATTITUDE_TARGET |
MAV_PROTOCOL_CAPABILITY_COMPASS_CALIBRATION |
GCS_MAVLINK::capabilities());
}
/*
* 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 Rover::mavlink_delay_cb()
{
static uint32_t last_1hz, last_50hz, last_5s;
if (!gcs().chan(0).initialised) {
return;
}
// don't allow potentially expensive logging calls:
logger.EnableWrites(false);
const uint32_t tnow = millis();
if (tnow - last_1hz > 1000) {
last_1hz = tnow;
gcs().send_message(MSG_HEARTBEAT);
gcs().send_message(MSG_SYS_STATUS);
}
if (tnow - last_50hz > 20) {
last_50hz = tnow;
gcs().update_receive();
gcs().update_send();
notify.update();
}
if (tnow - last_5s > 5000) {
last_5s = tnow;
gcs().send_text(MAV_SEVERITY_INFO, "Initialising APM");
}
logger.EnableWrites(true);
}
AP_AdvancedFailsafe *GCS_MAVLINK_Rover::get_advanced_failsafe() const
{
#if ADVANCED_FAILSAFE == ENABLED
return &rover.g2.afs;
#else
return nullptr;
#endif
}
bool GCS_MAVLINK_Rover::set_mode(const uint8_t mode)
{
Mode *new_mode = rover.mode_from_mode_num((enum Mode::Number)mode);
if (new_mode == nullptr) {
return false;
}
return rover.set_mode(*new_mode, MODE_REASON_GCS_COMMAND);
}
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