Files
ardupilot/ArduSub/mode_surface.cpp
2025-11-21 13:01:44 +09:00

65 lines
2.5 KiB
C++

#include "Sub.h"
bool ModeSurface::init(bool ignore_checks)
{
nobaro_mode = !sub.control_check_barometer();
// initialize vertical speeds and acceleration
// All limits must be positive
position_control->set_max_speed_accel_U_cm(sub.get_pilot_speed_dn(), g.pilot_speed_up, g.pilot_accel_z);
position_control->set_correction_speed_accel_U_cm(sub.get_pilot_speed_dn(), g.pilot_speed_up, g.pilot_accel_z);
// initialise position and desired velocity
position_control->init_U_controller();
return true;
}
void ModeSurface::run()
{
float target_roll, target_pitch;
// if not armed set throttle to zero and exit immediately
if (!motors.armed()) {
motors.output_min();
motors.set_desired_spool_state(AP_Motors::DesiredSpoolState::GROUND_IDLE);
attitude_control->set_throttle_out(0,true,g.throttle_filt);
attitude_control->relax_attitude_controllers();
position_control->init_U_controller();
return;
}
// If no barometer is available, use the surface_nobaro_thrust parameter to set the throttle output
if (nobaro_mode) {
float thrust_output = 0.5f + g2.surface_nobaro_thrust * 0.005f; // map -100, 100 to 0, 1
attitude_control->set_throttle_out(thrust_output, true, g.throttle_filt);
} else {
// Already at surface, hold depth at surface
if (sub.ap.at_surface) {
set_mode(Mode::Number::ALT_HOLD, ModeReason::SURFACE_COMPLETE);
}
// convert pilot input to lean angles
// To-Do: convert sub.get_pilot_desired_lean_angles to return angles as floats
sub.get_pilot_desired_lean_angles(channel_roll->get_control_in(), channel_pitch->get_control_in(), target_roll, target_pitch, sub.aparm.angle_max);
// get pilot's desired yaw rate
float target_yaw_rate = sub.get_pilot_desired_yaw_rate(channel_yaw->get_control_in());
// call attitude controller
attitude_control->input_euler_angle_roll_pitch_euler_rate_yaw_cd(target_roll, target_pitch, target_yaw_rate);
// set target climb rate
float cmb_rate_cms = constrain_float(fabsf(sub.wp_nav.get_default_speed_up_cms()), 1, position_control->get_max_speed_up_cms());
// update altitude target and call position controller
position_control->set_pos_target_U_from_climb_rate_cms(cmb_rate_cms);
position_control->update_U_controller();
}
// pilot has control for repositioning
motors.set_forward(channel_forward->norm_input());
motors.set_lateral(channel_lateral->norm_input());
}