2014-01-28 09:44:37 -04:00
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/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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/*
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* control_guided.pde - init and run calls for guided flight mode
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*/
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#ifndef GUIDED_LOOK_AT_TARGET_MIN_DISTANCE_CM
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# define GUIDED_LOOK_AT_TARGET_MIN_DISTANCE_CM 500 // point nose at target if it is more than 5m away
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#endif
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static bool guided_pilot_yaw_override_yaw = false;
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// guided_init - initialise guided controller
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static bool guided_init(bool ignore_checks)
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{
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if (GPS_ok() || ignore_checks) {
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2014-07-06 04:43:29 -03:00
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// initialise yaw
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set_auto_yaw_mode(get_default_auto_yaw_mode(false));
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2014-06-02 06:06:11 -03:00
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// start in position control mode
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guided_pos_control_start();
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2014-01-28 09:44:37 -04:00
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return true;
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}else{
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return false;
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}
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}
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2014-06-02 06:06:11 -03:00
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// initialise guided mode's position controller
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void guided_pos_control_start()
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{
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// set to position control mode
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guided_mode = Guided_WP;
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// initialise waypoint and spline controller
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wp_nav.wp_and_spline_init();
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// initialise wpnav to stopping point at current altitude
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// To-Do: set to current location if disarmed?
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// To-Do: set to stopping point altitude?
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Vector3f stopping_point;
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stopping_point.z = inertial_nav.get_altitude();
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wp_nav.get_wp_stopping_point_xy(stopping_point);
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wp_nav.set_wp_destination(stopping_point);
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guided_pilot_yaw_override_yaw = false;
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2014-07-06 04:43:29 -03:00
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// initialise yaw
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set_auto_yaw_mode(get_default_auto_yaw_mode(false));
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2014-06-02 06:06:11 -03:00
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}
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// initialise guided mode's velocity controller
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void guided_vel_control_start()
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{
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// set guided_mode to velocity controller
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guided_mode = Guided_Velocity;
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// initialize vertical speeds and leash lengths
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pos_control.set_speed_z(-g.pilot_velocity_z_max, g.pilot_velocity_z_max);
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pos_control.set_accel_z(g.pilot_accel_z);
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// initialise velocity controller
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pos_control.init_vel_controller_xyz();
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}
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2014-01-28 09:44:37 -04:00
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// guided_set_destination - sets guided mode's target destination
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static void guided_set_destination(const Vector3f& destination)
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{
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2014-06-02 06:06:11 -03:00
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// ensure we are in position control mode
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if (guided_mode != Guided_WP) {
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guided_pos_control_start();
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}
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2014-05-23 02:26:41 -03:00
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wp_nav.set_wp_destination(destination);
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2014-01-28 09:44:37 -04:00
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}
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2014-06-02 06:06:11 -03:00
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// guided_set_velocity - sets guided mode's target velocity
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static void guided_set_velocity(const Vector3f& velocity)
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{
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// check we are in velocity control mode
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if (guided_mode != Guided_Velocity) {
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guided_vel_control_start();
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}
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// set position controller velocity target
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2014-06-11 23:53:02 -03:00
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pos_control.set_desired_velocity(velocity);
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2014-06-02 06:06:11 -03:00
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}
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2014-01-28 09:44:37 -04:00
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// guided_run - runs the guided controller
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// should be called at 100hz or more
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static void guided_run()
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{
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// if not auto armed set throttle to zero and exit immediately
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if(!ap.auto_armed) {
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// To-Do: reset waypoint controller?
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2014-06-06 00:04:34 -03:00
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attitude_control.relax_bf_rate_controller();
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2014-06-06 02:45:49 -03:00
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attitude_control.set_yaw_target_to_current_heading();
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2014-01-28 09:44:37 -04:00
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attitude_control.set_throttle_out(0, false);
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// To-Do: handle take-offs - these may not only be immediately after auto_armed becomes true
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return;
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}
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2014-06-02 06:06:11 -03:00
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// run position or velocity controller
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if (guided_mode == Guided_WP) {
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guided_pos_control_run();
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} else {
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// must be velocity controller
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guided_vel_control_run();
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}
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}
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// guided_pos_control_run - runs the guided position controller
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// called from guided_run
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static void guided_pos_control_run()
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{
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2014-01-28 09:44:37 -04:00
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// process pilot's yaw input
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float target_yaw_rate = 0;
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if (!failsafe.radio) {
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// get pilot's desired yaw rate
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target_yaw_rate = get_pilot_desired_yaw_rate(g.rc_4.control_in);
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if (target_yaw_rate != 0) {
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set_auto_yaw_mode(AUTO_YAW_HOLD);
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}
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}
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// run waypoint controller
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wp_nav.update_wpnav();
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// call z-axis position controller (wpnav should have already updated it's alt target)
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pos_control.update_z_controller();
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// call attitude controller
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if (auto_yaw_mode == AUTO_YAW_HOLD) {
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// roll & pitch from waypoint controller, yaw rate from pilot
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2014-02-13 22:56:46 -04:00
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attitude_control.angle_ef_roll_pitch_rate_ef_yaw(wp_nav.get_roll(), wp_nav.get_pitch(), target_yaw_rate);
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2014-01-28 09:44:37 -04:00
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}else{
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// roll, pitch from waypoint controller, yaw heading from auto_heading()
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2014-06-02 06:06:11 -03:00
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attitude_control.angle_ef_roll_pitch_yaw(wp_nav.get_roll(), wp_nav.get_pitch(), get_auto_heading(), true);
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}
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}
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// guided_vel_control_run - runs the guided velocity controller
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// called from guided_run
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static void guided_vel_control_run()
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{
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// process pilot's yaw input
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float target_yaw_rate = 0;
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if (!failsafe.radio) {
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// get pilot's desired yaw rate
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target_yaw_rate = get_pilot_desired_yaw_rate(g.rc_4.control_in);
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if (target_yaw_rate != 0) {
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set_auto_yaw_mode(AUTO_YAW_HOLD);
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}
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}
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// call velocity controller which includes z axis controller
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pos_control.update_vel_controller_xyz();
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// call attitude controller
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if (auto_yaw_mode == AUTO_YAW_HOLD) {
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// roll & pitch from waypoint controller, yaw rate from pilot
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attitude_control.angle_ef_roll_pitch_rate_ef_yaw(pos_control.get_roll(), pos_control.get_pitch(), target_yaw_rate);
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}else{
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// roll, pitch from waypoint controller, yaw heading from auto_heading()
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attitude_control.angle_ef_roll_pitch_yaw(pos_control.get_roll(), pos_control.get_pitch(), get_auto_heading(), true);
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2014-01-28 09:44:37 -04:00
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}
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}
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