// 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);
}
// do_spline_wp - initiate move to next waypoint
void Copter::do_spline_wp(const AP_Mission::Mission_Command& cmd)
{
Location_Class target_loc(cmd.content.location);
// use current lat, lon if zero
if (target_loc.lat == 0 && target_loc.lng == 0) {
target_loc.lat = current_loc.lat;
target_loc.lng = current_loc.lng;
}
// use current altitude if not provided
if (target_loc.alt == 0) {
// set to current altitude but in command's alt frame
int32_t curr_alt;
if (current_loc.get_alt_cm(target_loc.get_alt_frame(),curr_alt)) {
target_loc.set_alt_cm(curr_alt, target_loc.get_alt_frame());
} else {
// default to current altitude as alt-above-home
target_loc.set_alt_cm(current_loc.alt, current_loc.get_alt_frame());
}
}
// 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 = 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;
// 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
Location_Class next_loc;
if (cmd.p1 == 0 && mission.get_next_nav_cmd(cmd.index+1, temp_cmd)) {
next_loc = temp_cmd.content.location;
// default lat, lon to first waypoint's lat, lon
if (next_loc.lat == 0 && next_loc.lng == 0) {
next_loc.lat = target_loc.lat;
next_loc.lng = target_loc.lng;
}
// default alt to first waypoint's alt but in next waypoint's alt frame
if (next_loc.alt == 0) {
int32_t next_alt;
if (target_loc.get_alt_cm(next_loc.get_alt_frame(), next_alt)) {
next_loc.set_alt_cm(next_alt, next_loc.get_alt_frame());
} else {
// default to first waypoints altitude
next_loc.set_alt_cm(target_loc.alt, target_loc.get_alt_frame());
}
}
// 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;
}else if (temp_cmd.id == MAV_CMD_NAV_SPLINE_WAYPOINT) {
seg_end_type = AC_WPNav::SEGMENT_END_SPLINE;
}
}
// set spline navigation target
auto_spline_start(target_loc, stopped_at_start, seg_end_type, next_loc);
}
