ardupilot/APMrover2/mode_rtl.cpp

75 lines
1.8 KiB
C++

#include "mode.h"
#include "Rover.h"
bool ModeRTL::_enter()
{
// refuse RTL if home has not been set
if (!AP::ahrs().home_is_set()) {
return false;
}
// set target to the closest rally point or home
#if AP_RALLY == ENABLED
if (!g2.wp_nav.set_desired_location(g2.rally.calc_best_rally_or_home_location(rover.current_loc, ahrs.get_home().alt))) {
return false;
}
#else
// set destination
if (!g2.wp_nav.set_desired_location(ahrs.get_home())) {
return false;
}
#endif
// initialise waypoint speed
if (is_positive(g2.rtl_speed)) {
g2.wp_nav.set_desired_speed(g2.rtl_speed);
} else {
g2.wp_nav.set_desired_speed_to_default();
}
sent_notification = false;
return true;
}
void ModeRTL::update()
{
// determine if we should keep navigating
if (!g2.wp_nav.reached_destination()) {
// update navigation controller
navigate_to_waypoint();
} else {
// send notification
if (!sent_notification) {
sent_notification = true;
gcs().send_text(MAV_SEVERITY_INFO, "Reached destination");
}
// we have reached the destination
// boats keep navigating, rovers stop
if (rover.is_boat()) {
navigate_to_waypoint();
} else {
stop_vehicle();
}
// update distance to destination
_distance_to_destination = rover.current_loc.get_distance(g2.wp_nav.get_destination());
}
}
// get desired location
bool ModeRTL::get_desired_location(Location& destination) const
{
if (g2.wp_nav.is_destination_valid()) {
destination = g2.wp_nav.get_oa_destination();
return true;
}
return false;
}
bool ModeRTL::reached_destination() const
{
return g2.wp_nav.reached_destination();
}