/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- #include "Copter.h" // start_command - this function will be called when the ap_mission lib wishes to start a new command bool Copter::start_command(const AP_Mission::Mission_Command& cmd) { // To-Do: logging when new commands start/end if (should_log(MASK_LOG_CMD)) { DataFlash.Log_Write_Mission_Cmd(mission, cmd); } switch(cmd.id) { /// /// navigation commands /// case MAV_CMD_NAV_TAKEOFF: // 22 do_takeoff(cmd); break; case MAV_CMD_NAV_WAYPOINT: // 16 Navigate to Waypoint do_nav_wp(cmd); break; case MAV_CMD_NAV_LAND: // 21 LAND to Waypoint do_land(cmd); break; case MAV_CMD_NAV_LOITER_UNLIM: // 17 Loiter indefinitely do_loiter_unlimited(cmd); break; case MAV_CMD_NAV_LOITER_TURNS: //18 Loiter N Times do_circle(cmd); break; case MAV_CMD_NAV_LOITER_TIME: // 19 do_loiter_time(cmd); break; case MAV_CMD_NAV_RETURN_TO_LAUNCH: //20 do_RTL(); break; case MAV_CMD_NAV_SPLINE_WAYPOINT: // 82 Navigate to Waypoint using spline do_spline_wp(cmd); break; #if NAV_GUIDED == ENABLED case MAV_CMD_NAV_GUIDED_ENABLE: // 92 accept navigation commands from external nav computer do_nav_guided_enable(cmd); break; #endif // // conditional commands // case MAV_CMD_CONDITION_DELAY: // 112 do_wait_delay(cmd); break; case MAV_CMD_CONDITION_DISTANCE: // 114 do_within_distance(cmd); break; case MAV_CMD_CONDITION_CHANGE_ALT: // 113 do_change_alt(cmd); break; case MAV_CMD_CONDITION_YAW: // 115 do_yaw(cmd); break; /// /// do commands /// case MAV_CMD_DO_CHANGE_SPEED: // 178 do_change_speed(cmd); break; case MAV_CMD_DO_SET_HOME: // 179 do_set_home(cmd); break; case MAV_CMD_DO_SET_SERVO: ServoRelayEvents.do_set_servo(cmd.content.servo.channel, cmd.content.servo.pwm); break; case MAV_CMD_DO_SET_RELAY: ServoRelayEvents.do_set_relay(cmd.content.relay.num, cmd.content.relay.state); break; case MAV_CMD_DO_REPEAT_SERVO: ServoRelayEvents.do_repeat_servo(cmd.content.repeat_servo.channel, cmd.content.repeat_servo.pwm, cmd.content.repeat_servo.repeat_count, cmd.content.repeat_servo.cycle_time * 1000.0f); break; case MAV_CMD_DO_REPEAT_RELAY: ServoRelayEvents.do_repeat_relay(cmd.content.repeat_relay.num, cmd.content.repeat_relay.repeat_count, cmd.content.repeat_relay.cycle_time * 1000.0f); break; case MAV_CMD_DO_SET_ROI: // 201 // point the copter and camera at a region of interest (ROI) do_roi(cmd); break; case MAV_CMD_DO_MOUNT_CONTROL: // 205 // point the camera to a specified angle do_mount_control(cmd); break; #if CAMERA == ENABLED case MAV_CMD_DO_CONTROL_VIDEO: // Control on-board camera capturing. |Camera ID (-1 for all)| Transmission: 0: disabled, 1: enabled compressed, 2: enabled raw| Transmission mode: 0: video stream, >0: single images every n seconds (decimal)| Recording: 0: disabled, 1: enabled compressed, 2: enabled raw| Empty| Empty| Empty| break; case MAV_CMD_DO_DIGICAM_CONFIGURE: // Mission command to configure an on-board camera controller system. |Modes: P, TV, AV, M, Etc| Shutter speed: Divisor number for one second| Aperture: F stop number| ISO number e.g. 80, 100, 200, Etc| Exposure type enumerator| Command Identity| Main engine cut-off time before camera trigger in seconds/10 (0 means no cut-off)| do_digicam_configure(cmd); break; case MAV_CMD_DO_DIGICAM_CONTROL: // Mission command to control an on-board camera controller system. |Session control e.g. show/hide lens| Zoom's absolute position| Zooming step value to offset zoom from the current position| Focus Locking, Unlocking or Re-locking| Shooting Command| Command Identity| Empty| do_digicam_control(cmd); break; case MAV_CMD_DO_SET_CAM_TRIGG_DIST: camera.set_trigger_distance(cmd.content.cam_trigg_dist.meters); break; #endif #if PARACHUTE == ENABLED case MAV_CMD_DO_PARACHUTE: // Mission command to configure or release parachute do_parachute(cmd); break; #endif #if EPM_ENABLED == ENABLED case MAV_CMD_DO_GRIPPER: // Mission command to control EPM gripper do_gripper(cmd); break; #endif #if NAV_GUIDED == ENABLED case MAV_CMD_DO_GUIDED_LIMITS: // 220 accept guided mode limits do_guided_limits(cmd); break; #endif default: // do nothing with unrecognized MAVLink messages break; } // always return success return true; } /********************************************************************************/ // Verify command Handlers /********************************************************************************/ // verify_command_callback - callback function called from ap-mission at 10hz or higher when a command is being run // we double check that the flight mode is AUTO to avoid the possibility of ap-mission triggering actions while we're not in AUTO mode bool Copter::verify_command_callback(const AP_Mission::Mission_Command& cmd) { if (control_mode == AUTO) { bool cmd_complete = verify_command(cmd); // send message to GCS if (cmd_complete) { gcs_send_mission_item_reached_message(cmd.index); } return cmd_complete; } return false; } // verify_command - this will be called repeatedly by ap_mission lib to ensure the active commands are progressing // should return true once the active navigation command completes successfully // called at 10hz or higher bool Copter::verify_command(const AP_Mission::Mission_Command& cmd) { switch(cmd.id) { // // navigation commands // case MAV_CMD_NAV_TAKEOFF: return verify_takeoff(); case MAV_CMD_NAV_WAYPOINT: return verify_nav_wp(cmd); case MAV_CMD_NAV_LAND: return verify_land(); case MAV_CMD_NAV_LOITER_UNLIM: return verify_loiter_unlimited(); case MAV_CMD_NAV_LOITER_TURNS: return verify_circle(cmd); case MAV_CMD_NAV_LOITER_TIME: return verify_loiter_time(); case MAV_CMD_NAV_RETURN_TO_LAUNCH: return verify_RTL(); case MAV_CMD_NAV_SPLINE_WAYPOINT: return verify_spline_wp(cmd); #if NAV_GUIDED == ENABLED case MAV_CMD_NAV_GUIDED_ENABLE: return verify_nav_guided_enable(cmd); #endif /// /// conditional commands /// case MAV_CMD_CONDITION_DELAY: return verify_wait_delay(); case MAV_CMD_CONDITION_DISTANCE: return verify_within_distance(); case MAV_CMD_CONDITION_CHANGE_ALT: return verify_change_alt(); case MAV_CMD_CONDITION_YAW: return verify_yaw(); case MAV_CMD_DO_PARACHUTE: // assume parachute was released successfully return true; default: // return true if we do not recognize the command so that we move on to the next command return true; } } // exit_mission - function that is called once the mission completes void Copter::exit_mission() { // play a tone AP_Notify::events.mission_complete = 1; // if we are not on the ground switch to loiter or land if(!ap.land_complete) { // try to enter loiter but if that fails land if(!auto_loiter_start()) { set_mode(LAND); } }else{ #if LAND_REQUIRE_MIN_THROTTLE_TO_DISARM == ENABLED // disarm when the landing detector says we've landed and throttle is at minimum if (ap.throttle_zero || failsafe.radio) { init_disarm_motors(); } #else // if we've landed it's safe to disarm init_disarm_motors(); #endif } } /********************************************************************************/ // /********************************************************************************/ // do_RTL - start Return-to-Launch void Copter::do_RTL(void) { // start rtl in auto flight mode auto_rtl_start(); } /********************************************************************************/ // Nav (Must) commands /********************************************************************************/ // do_takeoff - initiate takeoff navigation command void Copter::do_takeoff(const AP_Mission::Mission_Command& cmd) { // Set wp navigation target to safe altitude above current position float takeoff_alt = cmd.content.location.alt; takeoff_alt = MAX(takeoff_alt,current_loc.alt); takeoff_alt = MAX(takeoff_alt,100.0f); auto_takeoff_start(takeoff_alt); } // do_nav_wp - initiate move to next waypoint void Copter::do_nav_wp(const AP_Mission::Mission_Command& cmd) { const Vector3f &curr_pos = inertial_nav.get_position(); const Vector3f local_pos = pv_location_to_vector_with_default(cmd.content.location, curr_pos); // this will be used to remember the time in millis after we reach or pass the WP. loiter_time = 0; // this is the delay, stored in seconds loiter_time_max = abs(cmd.p1); // Set wp navigation target auto_wp_start(local_pos); // if no delay set the waypoint as "fast" if (loiter_time_max == 0 ) { wp_nav.set_fast_waypoint(true); } } // do_land - initiate landing procedure void Copter::do_land(const AP_Mission::Mission_Command& cmd) { // To-Do: check if we have already landed // if location provided we fly to that location at current altitude if (cmd.content.location.lat != 0 || cmd.content.location.lng != 0) { // set state to fly to location land_state = LAND_STATE_FLY_TO_LOCATION; // calculate and set desired location above landing target Vector3f pos = pv_location_to_vector(cmd.content.location); pos.z = inertial_nav.get_altitude(); auto_wp_start(pos); }else{ // set landing state land_state = LAND_STATE_DESCENDING; // initialise landing controller auto_land_start(); } } // do_loiter_unlimited - start loitering with no end conditions // note: caller should set yaw_mode void Copter::do_loiter_unlimited(const AP_Mission::Mission_Command& cmd) { Vector3f target_pos; // get current position Vector3f curr_pos = inertial_nav.get_position(); // default to use position provided target_pos = pv_location_to_vector(cmd.content.location); // use current location if not provided if(cmd.content.location.lat == 0 && cmd.content.location.lng == 0) { wp_nav.get_wp_stopping_point_xy(target_pos); } // use current altitude if not provided // To-Do: use z-axis stopping point instead of current alt if( cmd.content.location.alt == 0 ) { target_pos.z = curr_pos.z; } // start way point navigator and provide it the desired location auto_wp_start(target_pos); } // do_circle - initiate moving in a circle void Copter::do_circle(const AP_Mission::Mission_Command& cmd) { Vector3f curr_pos = inertial_nav.get_position(); Vector3f circle_center = pv_location_to_vector(cmd.content.location); uint8_t circle_radius_m = HIGHBYTE(cmd.p1); // circle radius held in high byte of p1 bool move_to_edge_required = false; // set target altitude if not provided if (cmd.content.location.alt == 0) { circle_center.z = curr_pos.z; } else { move_to_edge_required = true; } // set lat/lon position if not provided // To-Do: use previous command's destination if it was a straight line or spline waypoint command if (cmd.content.location.lat == 0 && cmd.content.location.lng == 0) { circle_center.x = curr_pos.x; circle_center.y = curr_pos.y; } else { move_to_edge_required = true; } // set circle controller's center circle_nav.set_center(circle_center); // set circle radius if (circle_radius_m != 0) { circle_nav.set_radius((float)circle_radius_m * 100.0f); } // check if we need to move to edge of circle if (move_to_edge_required) { // move to edge of circle (verify_circle) will ensure we begin circling once we reach the edge auto_circle_movetoedge_start(); } else { // start circling auto_circle_start(); } } // do_loiter_time - initiate loitering at a point for a given time period // note: caller should set yaw_mode void Copter::do_loiter_time(const AP_Mission::Mission_Command& cmd) { Vector3f target_pos; // get current position Vector3f curr_pos = inertial_nav.get_position(); // default to use position provided target_pos = pv_location_to_vector(cmd.content.location); // use current location if not provided if(cmd.content.location.lat == 0 && cmd.content.location.lng == 0) { wp_nav.get_wp_stopping_point_xy(target_pos); } // use current altitude if not provided if( cmd.content.location.alt == 0 ) { target_pos.z = curr_pos.z; } // start way point navigator and provide it the desired location auto_wp_start(target_pos); // setup loiter timer loiter_time = 0; loiter_time_max = cmd.p1; // units are (seconds) } // do_spline_wp - initiate move to next waypoint void Copter::do_spline_wp(const AP_Mission::Mission_Command& cmd) { const Vector3f& curr_pos = inertial_nav.get_position(); Vector3f local_pos = pv_location_to_vector_with_default(cmd.content.location, curr_pos); // this will be used to remember the time in millis after we reach or pass the WP. loiter_time = 0; // this is the delay, stored in seconds loiter_time_max = abs(cmd.p1); // determine segment start and end type bool stopped_at_start = true; AC_WPNav::spline_segment_end_type seg_end_type = AC_WPNav::SEGMENT_END_STOP; AP_Mission::Mission_Command temp_cmd; Vector3f next_destination; // end of next segment // if previous command was a wp_nav command with no delay set stopped_at_start to false // To-Do: move processing of delay into wp-nav controller to allow it to determine the stopped_at_start value itself? uint16_t prev_cmd_idx = mission.get_prev_nav_cmd_index(); if (prev_cmd_idx != AP_MISSION_CMD_INDEX_NONE) { if (mission.read_cmd_from_storage(prev_cmd_idx, temp_cmd)) { if ((temp_cmd.id == MAV_CMD_NAV_WAYPOINT || temp_cmd.id == MAV_CMD_NAV_SPLINE_WAYPOINT) && temp_cmd.p1 == 0) { stopped_at_start = false; } } } // if there is no delay at the end of this segment get next nav command if (cmd.p1 == 0 && mission.get_next_nav_cmd(cmd.index+1, temp_cmd)) { // if the next nav command is a waypoint set end type to spline or straight if (temp_cmd.id == MAV_CMD_NAV_WAYPOINT) { seg_end_type = AC_WPNav::SEGMENT_END_STRAIGHT; next_destination = pv_location_to_vector_with_default(temp_cmd.content.location, local_pos); }else if (temp_cmd.id == MAV_CMD_NAV_SPLINE_WAYPOINT) { seg_end_type = AC_WPNav::SEGMENT_END_SPLINE; next_destination = pv_location_to_vector_with_default(temp_cmd.content.location, local_pos); } } // set spline navigation target auto_spline_start(local_pos, stopped_at_start, seg_end_type, next_destination); } #if NAV_GUIDED == ENABLED // do_nav_guided_enable - initiate accepting commands from external nav computer void Copter::do_nav_guided_enable(const AP_Mission::Mission_Command& cmd) { if (cmd.p1 > 0) { // initialise guided limits guided_limit_init_time_and_pos(); // set spline navigation target auto_nav_guided_start(); } } #endif // NAV_GUIDED #if PARACHUTE == ENABLED // do_parachute - configure or release parachute void Copter::do_parachute(const AP_Mission::Mission_Command& cmd) { switch (cmd.p1) { case PARACHUTE_DISABLE: parachute.enabled(false); Log_Write_Event(DATA_PARACHUTE_DISABLED); break; case PARACHUTE_ENABLE: parachute.enabled(true); Log_Write_Event(DATA_PARACHUTE_ENABLED); break; case PARACHUTE_RELEASE: parachute_release(); break; default: // do nothing break; } } #endif #if EPM_ENABLED == ENABLED // do_gripper - control EPM gripper void Copter::do_gripper(const AP_Mission::Mission_Command& cmd) { // Note: we ignore the gripper num parameter because we only support one gripper switch (cmd.content.gripper.action) { case GRIPPER_ACTION_RELEASE: epm.release(); Log_Write_Event(DATA_EPM_RELEASE); break; case GRIPPER_ACTION_GRAB: epm.grab(); Log_Write_Event(DATA_EPM_GRAB); break; default: // do nothing break; } } #endif #if NAV_GUIDED == ENABLED // do_guided_limits - pass guided limits to guided controller void Copter::do_guided_limits(const AP_Mission::Mission_Command& cmd) { guided_limit_set(cmd.p1 * 1000, // convert seconds to ms cmd.content.guided_limits.alt_min * 100.0f, // convert meters to cm cmd.content.guided_limits.alt_max * 100.0f, // convert meters to cm cmd.content.guided_limits.horiz_max * 100.0f); // convert meters to cm } #endif /********************************************************************************/ // Verify Nav (Must) commands /********************************************************************************/ // verify_takeoff - check if we have completed the takeoff bool Copter::verify_takeoff() { // have we reached our target altitude? return wp_nav.reached_wp_destination(); } // verify_land - returns true if landing has been completed bool Copter::verify_land() { bool retval = false; switch( land_state ) { case LAND_STATE_FLY_TO_LOCATION: // check if we've reached the location if (wp_nav.reached_wp_destination()) { // get destination so we can use it for loiter target Vector3f dest = wp_nav.get_wp_destination(); // initialise landing controller auto_land_start(dest); // advance to next state land_state = LAND_STATE_DESCENDING; } break; case LAND_STATE_DESCENDING: // rely on THROTTLE_LAND mode to correctly update landing status retval = ap.land_complete; break; default: // this should never happen // TO-DO: log an error retval = true; break; } // true is returned if we've successfully landed return retval; } // verify_nav_wp - check if we have reached the next way point bool Copter::verify_nav_wp(const AP_Mission::Mission_Command& cmd) { // check if we have reached the waypoint if( !wp_nav.reached_wp_destination() ) { return false; } // play a tone AP_Notify::events.waypoint_complete = 1; // start timer if necessary if(loiter_time == 0) { loiter_time = millis(); } // check if timer has run out if (((millis() - loiter_time) / 1000) >= loiter_time_max) { gcs_send_text_fmt(MAV_SEVERITY_INFO, "Reached command #%i",cmd.index); return true; }else{ return false; } } bool Copter::verify_loiter_unlimited() { return false; } // verify_loiter_time - check if we have loitered long enough bool Copter::verify_loiter_time() { // return immediately if we haven't reached our destination if (!wp_nav.reached_wp_destination()) { return false; } // start our loiter timer if( loiter_time == 0 ) { loiter_time = millis(); } // check if loiter timer has run out return (((millis() - loiter_time) / 1000) >= loiter_time_max); } // verify_circle - check if we have circled the point enough bool Copter::verify_circle(const AP_Mission::Mission_Command& cmd) { // check if we've reached the edge if (auto_mode == Auto_CircleMoveToEdge) { if (wp_nav.reached_wp_destination()) { Vector3f curr_pos = inertial_nav.get_position(); Vector3f circle_center = pv_location_to_vector(cmd.content.location); // set target altitude if not provided if (is_zero(circle_center.z)) { circle_center.z = curr_pos.z; } // set lat/lon position if not provided if (cmd.content.location.lat == 0 && cmd.content.location.lng == 0) { circle_center.x = curr_pos.x; circle_center.y = curr_pos.y; } // start circling auto_circle_start(); } return false; } // check if we have completed circling return fabsf(circle_nav.get_angle_total()/M_2PI_F) >= LOWBYTE(cmd.p1); } // verify_RTL - handles any state changes required to implement RTL // do_RTL should have been called once first to initialise all variables // returns true with RTL has completed successfully bool Copter::verify_RTL() { return (rtl_state_complete && (rtl_state == RTL_FinalDescent || rtl_state == RTL_Land)); } // verify_spline_wp - check if we have reached the next way point using spline bool Copter::verify_spline_wp(const AP_Mission::Mission_Command& cmd) { // check if we have reached the waypoint if( !wp_nav.reached_wp_destination() ) { return false; } // start timer if necessary if(loiter_time == 0) { loiter_time = millis(); } // check if timer has run out if (((millis() - loiter_time) / 1000) >= loiter_time_max) { gcs_send_text_fmt(MAV_SEVERITY_INFO, "Reached command #%i",cmd.index); return true; }else{ return false; } } #if NAV_GUIDED == ENABLED // verify_nav_guided - check if we have breached any limits bool Copter::verify_nav_guided_enable(const AP_Mission::Mission_Command& cmd) { // if disabling guided mode then immediately return true so we move to next command if (cmd.p1 == 0) { return true; } // check time and position limits return guided_limit_check(); } #endif // NAV_GUIDED /********************************************************************************/ // Condition (May) commands /********************************************************************************/ void Copter::do_wait_delay(const AP_Mission::Mission_Command& cmd) { condition_start = millis(); condition_value = cmd.content.delay.seconds * 1000; // convert seconds to milliseconds } void Copter::do_change_alt(const AP_Mission::Mission_Command& cmd) { // To-Do: store desired altitude in a variable so that it can be verified later } void Copter::do_within_distance(const AP_Mission::Mission_Command& cmd) { condition_value = cmd.content.distance.meters * 100; } void Copter::do_yaw(const AP_Mission::Mission_Command& cmd) { set_auto_yaw_look_at_heading( cmd.content.yaw.angle_deg, cmd.content.yaw.turn_rate_dps, cmd.content.yaw.direction, cmd.content.yaw.relative_angle); } /********************************************************************************/ // Verify Condition (May) commands /********************************************************************************/ bool Copter::verify_wait_delay() { if (millis() - condition_start > (uint32_t)MAX(condition_value,0)) { condition_value = 0; return true; } return false; } bool Copter::verify_change_alt() { // To-Do: use recorded target altitude to verify we have reached the target return true; } bool Copter::verify_within_distance() { // update distance calculation calc_wp_distance(); if (wp_distance < (uint32_t)MAX(condition_value,0)) { condition_value = 0; return true; } return false; } // verify_yaw - return true if we have reached the desired heading bool Copter::verify_yaw() { // set yaw mode if it has been changed (the waypoint controller often retakes control of yaw as it executes a new waypoint command) if (auto_yaw_mode != AUTO_YAW_LOOK_AT_HEADING) { set_auto_yaw_mode(AUTO_YAW_LOOK_AT_HEADING); } // check if we are within 2 degrees of the target heading if (labs(wrap_180_cd(ahrs.yaw_sensor-yaw_look_at_heading)) <= 200) { return true; }else{ return false; } } /********************************************************************************/ // Do (Now) commands /********************************************************************************/ // do_guided - start guided mode bool Copter::do_guided(const AP_Mission::Mission_Command& cmd) { Vector3f pos_or_vel; // target location or velocity // only process guided waypoint if we are in guided mode if (control_mode != GUIDED && !(control_mode == AUTO && auto_mode == Auto_NavGuided)) { return false; } // switch to handle different commands switch (cmd.id) { case MAV_CMD_NAV_WAYPOINT: // set wp_nav's destination pos_or_vel = pv_location_to_vector(cmd.content.location); guided_set_destination(pos_or_vel); return true; break; case MAV_CMD_CONDITION_YAW: do_yaw(cmd); return true; break; default: // reject unrecognised command return false; break; } return true; } void Copter::do_change_speed(const AP_Mission::Mission_Command& cmd) { if (cmd.content.speed.target_ms > 0) { wp_nav.set_speed_xy(cmd.content.speed.target_ms * 100.0f); } } void Copter::do_set_home(const AP_Mission::Mission_Command& cmd) { if(cmd.p1 == 1 || (cmd.content.location.lat == 0 && cmd.content.location.lng == 0 && cmd.content.location.alt == 0)) { set_home_to_current_location(); } else { if (!far_from_EKF_origin(cmd.content.location)) { set_home(cmd.content.location); } } } // do_roi - starts actions required by MAV_CMD_NAV_ROI // this involves either moving the camera to point at the ROI (region of interest) // and possibly rotating the copter to point at the ROI if our mount type does not support a yaw feature // TO-DO: add support for other features of MAV_CMD_DO_SET_ROI including pointing at a given waypoint void Copter::do_roi(const AP_Mission::Mission_Command& cmd) { set_auto_yaw_roi(cmd.content.location); } // do_digicam_configure Send Digicam Configure message with the camera library void Copter::do_digicam_configure(const AP_Mission::Mission_Command& cmd) { #if CAMERA == ENABLED camera.configure(cmd.content.digicam_configure.shooting_mode, cmd.content.digicam_configure.shutter_speed, cmd.content.digicam_configure.aperture, cmd.content.digicam_configure.ISO, cmd.content.digicam_configure.exposure_type, cmd.content.digicam_configure.cmd_id, cmd.content.digicam_configure.engine_cutoff_time); #endif } // do_digicam_control Send Digicam Control message with the camera library void Copter::do_digicam_control(const AP_Mission::Mission_Command& cmd) { #if CAMERA == ENABLED camera.control(cmd.content.digicam_control.session, cmd.content.digicam_control.zoom_pos, cmd.content.digicam_control.zoom_step, cmd.content.digicam_control.focus_lock, cmd.content.digicam_control.shooting_cmd, cmd.content.digicam_control.cmd_id); log_picture(); #endif } // do_take_picture - take a picture with the camera library void Copter::do_take_picture() { #if CAMERA == ENABLED camera.trigger_pic(true); log_picture(); #endif } // log_picture - log picture taken and send feedback to GCS void Copter::log_picture() { gcs_send_message(MSG_CAMERA_FEEDBACK); if (should_log(MASK_LOG_CAMERA)) { DataFlash.Log_Write_Camera(ahrs, gps, current_loc); } } // point the camera to a specified angle void Copter::do_mount_control(const AP_Mission::Mission_Command& cmd) { #if MOUNT == ENABLED camera_mount.set_angle_targets(cmd.content.mount_control.roll, cmd.content.mount_control.pitch, cmd.content.mount_control.yaw); #endif }