ardupilot/ArduCopter/mode_autotune.cpp

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#include "Copter.h"
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/*
autotune mode is a wrapper around the AC_AutoTune library
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*/
#if AUTOTUNE_ENABLED == ENABLED
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bool Copter::AutoTune::init()
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{
// use position hold while tuning if we were in QLOITER
bool position_hold = (copter.control_mode == LOITER || copter.control_mode == POSHOLD);
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return init_internals(position_hold,
copter.attitude_control,
copter.pos_control,
copter.ahrs_view,
&copter.inertial_nav);
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}
/*
start autotune mode
*/
bool Copter::AutoTune::start()
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{
// only allow flip from Stabilize, AltHold, PosHold or Loiter modes
if (copter.control_mode != STABILIZE && copter.control_mode != ALT_HOLD &&
copter.control_mode != LOITER && copter.control_mode != POSHOLD) {
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return false;
}
// ensure throttle is above zero
if (copter.ap.throttle_zero) {
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return false;
}
// ensure we are flying
if (!copter.motors->armed() || !copter.ap.auto_armed || copter.ap.land_complete) {
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return false;
}
return AC_AutoTune::start();
}
void Copter::AutoTune::run()
{
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// apply SIMPLE mode transform to pilot inputs
copter.update_simple_mode();
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// reset target lean angles and heading while landed
if (copter.ap.land_complete) {
// we are landed, shut down
float target_climb_rate = get_pilot_desired_climb_rate_cms();
// set motors to spin-when-armed if throttle below deadzone, otherwise full range (but motors will only spin at min throttle)
if (target_climb_rate < 0.0f) {
copter.motors->set_desired_spool_state(AP_Motors::DESIRED_GROUND_IDLE);
} else {
copter.motors->set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED);
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}
copter.attitude_control->reset_rate_controller_I_terms();
copter.attitude_control->set_yaw_target_to_current_heading();
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int32_t target_roll, target_pitch, target_yaw_rate;
get_pilot_desired_rp_yrate_cd(target_roll, target_pitch, target_yaw_rate);
copter.attitude_control->input_euler_angle_roll_pitch_euler_rate_yaw(target_roll, target_pitch, target_yaw_rate);
copter.pos_control->relax_alt_hold_controllers(0.0f);
copter.pos_control->update_z_controller();
} else {
// run autotune mode
AC_AutoTune::run();
}
}
/*
get stick input climb rate
*/
float Copter::AutoTune::get_pilot_desired_climb_rate_cms(void) const
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{
float target_climb_rate = copter.get_pilot_desired_climb_rate(copter.channel_throttle->get_control_in());
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// get avoidance adjusted climb rate
target_climb_rate = copter.get_avoidance_adjusted_climbrate(target_climb_rate);
return target_climb_rate;
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}
/*
get stick roll, pitch and yaw rate
*/
void Copter::AutoTune::get_pilot_desired_rp_yrate_cd(int32_t &des_roll_cd, int32_t &des_pitch_cd, int32_t &yaw_rate_cds)
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{
// map from int32_t to float
float des_roll, des_pitch;
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copter.mode_autotune.get_pilot_desired_lean_angles(des_roll, des_pitch, copter.aparm.angle_max,
copter.attitude_control->get_althold_lean_angle_max());
yaw_rate_cds = copter.mode_autotune.get_pilot_desired_yaw_rate(copter.channel_yaw->get_control_in());
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des_roll_cd = des_roll;
des_pitch_cd = des_pitch;
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}
/*
setup z controller velocity and accel limits
*/
void Copter::AutoTune::init_z_limits()
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{
copter.pos_control->set_max_speed_z(-copter.get_pilot_speed_dn(), copter.g.pilot_speed_up);
copter.pos_control->set_max_accel_z(copter.g.pilot_accel_z);
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}
void Copter::AutoTune::log_pids()
{
copter.logger.Write_PID(LOG_PIDR_MSG, copter.attitude_control->get_rate_roll_pid().get_pid_info());
copter.logger.Write_PID(LOG_PIDP_MSG, copter.attitude_control->get_rate_pitch_pid().get_pid_info());
copter.logger.Write_PID(LOG_PIDY_MSG, copter.attitude_control->get_rate_yaw_pid().get_pid_info());
}
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/*
Write an event packet. This maps from AC_AutoTune event IDs to
copter event IDs
*/
void Copter::AutoTune::Log_Write_Event(enum at_event id)
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{
const struct {
enum at_event eid;
uint8_t id;
} map[] = {
{ EVENT_AUTOTUNE_INITIALISED, DATA_AUTOTUNE_INITIALISED },
{ EVENT_AUTOTUNE_OFF, DATA_AUTOTUNE_OFF },
{ EVENT_AUTOTUNE_RESTART, DATA_AUTOTUNE_RESTART },
{ EVENT_AUTOTUNE_SUCCESS, DATA_AUTOTUNE_SUCCESS },
{ EVENT_AUTOTUNE_FAILED, DATA_AUTOTUNE_FAILED },
{ EVENT_AUTOTUNE_REACHED_LIMIT, DATA_AUTOTUNE_REACHED_LIMIT },
{ EVENT_AUTOTUNE_PILOT_TESTING, DATA_AUTOTUNE_PILOT_TESTING },
{ EVENT_AUTOTUNE_SAVEDGAINS, DATA_AUTOTUNE_SAVEDGAINS },
};
for (uint8_t i=0; i<ARRAY_SIZE(map); i++) {
if (id == map[i].eid) {
copter.Log_Write_Event(map[i].id);
break;
}
}
}
/*
check if we have a good position estimate
*/
bool Copter::AutoTune::position_ok()
{
return copter.position_ok();
}
/*
initialise autotune mode
*/
bool Copter::ModeAutoTune::init(bool ignore_checks)
{
return copter.autotune.init();
}
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void Copter::ModeAutoTune::run()
{
copter.autotune.run();
}
void Copter::ModeAutoTune::save_tuning_gains()
{
copter.autotune.save_tuning_gains();
}
void Copter::ModeAutoTune::stop()
{
copter.autotune.stop();
}
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#endif // AUTOTUNE_ENABLED == ENABLED