ardupilot/ArduCopter/RC_Channel.cpp

568 lines
18 KiB
C++

#include "Copter.h"
#include "RC_Channel.h"
// defining these two macros and including the RC_Channels_VarInfo header defines the parmaeter information common to all vehicle types
#define RC_CHANNELS_SUBCLASS RC_Channels_Copter
#define RC_CHANNEL_SUBCLASS RC_Channel_Copter
#include <RC_Channel/RC_Channels_VarInfo.h>
int8_t RC_Channels_Copter::flight_mode_channel_number() const
{
return copter.g.flight_mode_chan.get();
}
void RC_Channel_Copter::mode_switch_changed(modeswitch_pos_t new_pos)
{
if (new_pos < 0 || (uint8_t)new_pos > copter.num_flight_modes) {
// should not have been called
return;
}
if (!copter.set_mode((control_mode_t)copter.flight_modes[new_pos].get(), MODE_REASON_TX_COMMAND)) {
// alert user to mode change failure
if (copter.ap.initialised) {
AP_Notify::events.user_mode_change_failed = 1;
}
return;
}
// play a tone
// alert user to mode change (except if autopilot is just starting up)
if (copter.ap.initialised) {
AP_Notify::events.user_mode_change = 1;
}
if (!rc().find_channel_for_option(SIMPLE_MODE) &&
!rc().find_channel_for_option(SUPERSIMPLE_MODE)) {
// if none of the Aux Switches are set to Simple or Super Simple Mode then
// set Simple Mode using stored parameters from EEPROM
if (BIT_IS_SET(copter.g.super_simple, new_pos)) {
copter.set_simple_mode(2);
} else {
copter.set_simple_mode(BIT_IS_SET(copter.g.simple_modes, new_pos));
}
}
}
bool RC_Channels_Copter::has_valid_input() const
{
if (copter.failsafe.radio) {
return false;
}
if (copter.failsafe.radio_counter != 0) {
return false;
}
return true;
}
// init_aux_switch_function - initialize aux functions
void RC_Channel_Copter::init_aux_function(const aux_func_t ch_option, const aux_switch_pos_t ch_flag)
{
// init channel options
switch(ch_option) {
case SIMPLE_MODE:
case RANGEFINDER:
case FENCE:
case SUPERSIMPLE_MODE:
case ACRO_TRAINER:
case PARACHUTE_ENABLE:
case PARACHUTE_3POS: // we trust the vehicle will be disarmed so even if switch is in release position the chute will not release
case RETRACT_MOUNT:
case MISSION_RESET:
case ATTCON_FEEDFWD:
case ATTCON_ACCEL_LIM:
case MOTOR_ESTOP:
case MOTOR_INTERLOCK:
case AVOID_ADSB:
case PRECISION_LOITER:
case INVERTED:
case WINCH_ENABLE:
do_aux_function(ch_option, ch_flag);
break;
// the following functions do not need to be initialised:
case FLIP:
case RTL:
case SAVE_TRIM:
case SAVE_WP:
case RESETTOARMEDYAW:
case AUTO:
case AUTOTUNE:
case LAND:
case BRAKE:
case THROW:
case SMART_RTL:
case GUIDED:
case PARACHUTE_RELEASE:
case ARMDISARM:
case WINCH_CONTROL:
case USER_FUNC1:
case USER_FUNC2:
case USER_FUNC3:
case ZIGZAG:
case ZIGZAG_SaveWP:
break;
default:
RC_Channel::init_aux_function(ch_option, ch_flag);
break;
}
}
// do_aux_function_change_mode - change mode based on an aux switch
// being moved
void RC_Channel_Copter::do_aux_function_change_mode(const control_mode_t mode,
const aux_switch_pos_t ch_flag)
{
switch(ch_flag) {
case HIGH: {
// engage mode (if not possible we remain in current flight mode)
const bool success = copter.set_mode(mode, MODE_REASON_TX_COMMAND);
if (copter.ap.initialised) {
if (success) {
AP_Notify::events.user_mode_change = 1;
} else {
AP_Notify::events.user_mode_change_failed = 1;
}
}
break;
}
default:
// return to flight mode switch's flight mode if we are currently
// in this mode
if (copter.control_mode == mode) {
rc().reset_mode_switch();
}
}
}
// do_aux_function - implement the function invoked by auxillary switches
void RC_Channel_Copter::do_aux_function(const aux_func_t ch_option, const aux_switch_pos_t ch_flag)
{
switch(ch_option) {
case FLIP:
// flip if switch is on, positive throttle and we're actually flying
if (ch_flag == aux_switch_pos_t::HIGH) {
copter.set_mode(control_mode_t::FLIP, MODE_REASON_TX_COMMAND);
}
break;
case SIMPLE_MODE:
// low = simple mode off, middle or high position turns simple mode on
copter.set_simple_mode(ch_flag == HIGH || ch_flag == MIDDLE);
break;
case SUPERSIMPLE_MODE:
// low = simple mode off, middle = simple mode, high = super simple mode
copter.set_simple_mode(ch_flag);
break;
case RTL:
#if MODE_RTL_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::RTL, ch_flag);
#endif
break;
case SAVE_TRIM:
if ((ch_flag == HIGH) && (copter.control_mode <= control_mode_t::ACRO) && (copter.channel_throttle->get_control_in() == 0)) {
copter.save_trim();
}
break;
case SAVE_WP:
#if MODE_AUTO_ENABLED == ENABLED
// save waypoint when switch is brought high
if (ch_flag == HIGH) {
// do not allow saving new waypoints while we're in auto or disarmed
if (copter.control_mode == control_mode_t::AUTO || !copter.motors->armed()) {
return;
}
// do not allow saving the first waypoint with zero throttle
if ((copter.mode_auto.mission.num_commands() == 0) && (copter.channel_throttle->get_control_in() == 0)) {
return;
}
// create new mission command
AP_Mission::Mission_Command cmd = {};
// if the mission is empty save a takeoff command
if (copter.mode_auto.mission.num_commands() == 0) {
// set our location ID to 16, MAV_CMD_NAV_WAYPOINT
cmd.id = MAV_CMD_NAV_TAKEOFF;
cmd.content.location.alt = MAX(copter.current_loc.alt,100);
// use the current altitude for the target alt for takeoff.
// only altitude will matter to the AP mission script for takeoff.
if (copter.mode_auto.mission.add_cmd(cmd)) {
// log event
copter.Log_Write_Event(DATA_SAVEWP_ADD_WP);
}
}
// set new waypoint to current location
cmd.content.location = copter.current_loc;
// if throttle is above zero, create waypoint command
if (copter.channel_throttle->get_control_in() > 0) {
cmd.id = MAV_CMD_NAV_WAYPOINT;
} else {
// with zero throttle, create LAND command
cmd.id = MAV_CMD_NAV_LAND;
}
// save command
if (copter.mode_auto.mission.add_cmd(cmd)) {
// log event
copter.Log_Write_Event(DATA_SAVEWP_ADD_WP);
}
}
#endif
break;
case MISSION_RESET:
#if MODE_AUTO_ENABLED == ENABLED
if (ch_flag == HIGH) {
copter.mode_auto.mission.reset();
}
#endif
break;
case AUTO:
#if MODE_AUTO_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::AUTO, ch_flag);
#endif
break;
case RANGEFINDER:
// enable or disable the rangefinder
#if RANGEFINDER_ENABLED == ENABLED
if ((ch_flag == HIGH) && copter.rangefinder.has_orientation(ROTATION_PITCH_270)) {
copter.rangefinder_state.enabled = true;
} else {
copter.rangefinder_state.enabled = false;
}
#endif
break;
case FENCE:
#if AC_FENCE == ENABLED
// enable or disable the fence
if (ch_flag == HIGH) {
copter.fence.enable(true);
copter.Log_Write_Event(DATA_FENCE_ENABLE);
} else {
copter.fence.enable(false);
copter.Log_Write_Event(DATA_FENCE_DISABLE);
}
#endif
break;
case ACRO_TRAINER:
#if MODE_ACRO_ENABLED == ENABLED
switch(ch_flag) {
case LOW:
copter.g.acro_trainer = ACRO_TRAINER_DISABLED;
copter.Log_Write_Event(DATA_ACRO_TRAINER_DISABLED);
break;
case MIDDLE:
copter.g.acro_trainer = ACRO_TRAINER_LEVELING;
copter.Log_Write_Event(DATA_ACRO_TRAINER_LEVELING);
break;
case HIGH:
copter.g.acro_trainer = ACRO_TRAINER_LIMITED;
copter.Log_Write_Event(DATA_ACRO_TRAINER_LIMITED);
break;
}
#endif
break;
case AUTOTUNE:
#if AUTOTUNE_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::AUTOTUNE, ch_flag);
#endif
break;
case LAND:
do_aux_function_change_mode(control_mode_t::LAND, ch_flag);
break;
case GUIDED:
do_aux_function_change_mode(control_mode_t::GUIDED, ch_flag);
break;
case PARACHUTE_ENABLE:
#if PARACHUTE == ENABLED
// Parachute enable/disable
copter.parachute.enabled(ch_flag == HIGH);
#endif
break;
case PARACHUTE_RELEASE:
#if PARACHUTE == ENABLED
if (ch_flag == HIGH) {
copter.parachute_manual_release();
}
#endif
break;
case PARACHUTE_3POS:
#if PARACHUTE == ENABLED
// Parachute disable, enable, release with 3 position switch
switch (ch_flag) {
case LOW:
copter.parachute.enabled(false);
copter.Log_Write_Event(DATA_PARACHUTE_DISABLED);
break;
case MIDDLE:
copter.parachute.enabled(true);
copter.Log_Write_Event(DATA_PARACHUTE_ENABLED);
break;
case HIGH:
copter.parachute.enabled(true);
copter.parachute_manual_release();
break;
}
#endif
break;
case ATTCON_FEEDFWD:
// enable or disable feed forward
copter.attitude_control->bf_feedforward(ch_flag == HIGH);
break;
case ATTCON_ACCEL_LIM:
// enable or disable accel limiting by restoring defaults
copter.attitude_control->accel_limiting(ch_flag == HIGH);
break;
case RETRACT_MOUNT:
#if MOUNT == ENABLE
switch (ch_flag) {
case HIGH:
copter.camera_mount.set_mode(MAV_MOUNT_MODE_RETRACT);
break;
case MIDDLE:
// nothing
break;
case LOW:
copter.camera_mount.set_mode_to_default();
break;
}
#endif
break;
case MOTOR_ESTOP:
// Turn on Emergency Stop logic when channel is high
copter.set_motor_emergency_stop(ch_flag == HIGH);
break;
case MOTOR_INTERLOCK:
// Turn on when above LOW, because channel will also be used for speed
// control signal in tradheli
copter.ap.motor_interlock_switch = (ch_flag == HIGH || ch_flag == MIDDLE);
break;
case BRAKE:
#if MODE_BRAKE_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::BRAKE, ch_flag);
#endif
break;
case THROW:
#if MODE_THROW_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::THROW, ch_flag);
#endif
break;
case AVOID_ADSB:
#if ADSB_ENABLED == ENABLED
// enable or disable AP_Avoidance
if (ch_flag == HIGH) {
copter.avoidance_adsb.enable();
copter.Log_Write_Event(DATA_AVOIDANCE_ADSB_ENABLE);
} else {
copter.avoidance_adsb.disable();
copter.Log_Write_Event(DATA_AVOIDANCE_ADSB_DISABLE);
}
#endif
break;
case PRECISION_LOITER:
#if PRECISION_LANDING == ENABLED && MODE_LOITER_ENABLED == ENABLED
switch (ch_flag) {
case HIGH:
copter.mode_loiter.set_precision_loiter_enabled(true);
break;
case MIDDLE:
// nothing
break;
case LOW:
copter.mode_loiter.set_precision_loiter_enabled(false);
break;
}
#endif
break;
case ARMDISARM:
// arm or disarm the vehicle
switch (ch_flag) {
case HIGH:
copter.init_arm_motors(AP_Arming::ArmingMethod::AUXSWITCH);
// remember that we are using an arming switch, for use by set_throttle_zero_flag
copter.ap.armed_with_switch = true;
break;
case MIDDLE:
// nothing
break;
case LOW:
copter.init_disarm_motors();
break;
}
break;
case SMART_RTL:
#if MODE_SMARTRTL_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::SMART_RTL, ch_flag);
#endif
break;
case INVERTED:
#if FRAME_CONFIG == HELI_FRAME
switch (ch_flag) {
case HIGH:
copter.motors->set_inverted_flight(true);
copter.attitude_control->set_inverted_flight(true);
copter.heli_flags.inverted_flight = true;
break;
case MIDDLE:
// nothing
break;
case LOW:
copter.motors->set_inverted_flight(false);
copter.attitude_control->set_inverted_flight(false);
copter.heli_flags.inverted_flight = false;
break;
}
#endif
break;
case WINCH_ENABLE:
#if WINCH_ENABLED == ENABLED
switch (ch_flag) {
case HIGH:
// high switch maintains current position
copter.g2.winch.release_length(0.0f);
copter.Log_Write_Event(DATA_WINCH_LENGTH_CONTROL);
break;
default:
// all other position relax winch
copter.g2.winch.relax();
copter.Log_Write_Event(DATA_WINCH_RELAXED);
break;
}
#endif
break;
case WINCH_CONTROL:
#if WINCH_ENABLED == ENABLED
switch (ch_flag) {
case LOW:
// raise winch at maximum speed
copter.g2.winch.set_desired_rate(-copter.g2.winch.get_rate_max());
break;
case HIGH:
// lower winch at maximum speed
copter.g2.winch.set_desired_rate(copter.g2.winch.get_rate_max());
break;
case MIDDLE:
copter.g2.winch.set_desired_rate(0.0f);
break;
}
#endif
break;
#ifdef USERHOOK_AUXSWITCH
case USER_FUNC1:
userhook_auxSwitch1(ch_flag);
break;
case USER_FUNC2:
userhook_auxSwitch2(ch_flag);
break;
case USER_FUNC3:
userhook_auxSwitch3(ch_flag);
break;
#endif
case ZIGZAG:
#if MODE_ZIGZAG_ENABLED == ENABLED
do_aux_function_change_mode(control_mode_t::ZIGZAG, ch_flag);
#endif
break;
case ZIGZAG_SaveWP:
#if MODE_ZIGZAG_ENABLED == ENABLED
if (copter.flightmode == &copter.mode_zigzag) {
switch (ch_flag) {
case LOW:
copter.mode_zigzag.save_or_move_to_destination(0);
break;
case MIDDLE:
copter.mode_zigzag.return_to_manual_control();
break;
case HIGH:
copter.mode_zigzag.save_or_move_to_destination(1);
break;
}
}
#endif
break;
default:
RC_Channel::do_aux_function(ch_option, ch_flag);
break;
}
}
// save_trim - adds roll and pitch trims from the radio to ahrs
void Copter::save_trim()
{
// save roll and pitch trim
float roll_trim = ToRad((float)channel_roll->get_control_in()/100.0f);
float pitch_trim = ToRad((float)channel_pitch->get_control_in()/100.0f);
ahrs.add_trim(roll_trim, pitch_trim);
Log_Write_Event(DATA_SAVE_TRIM);
gcs().send_text(MAV_SEVERITY_INFO, "Trim saved");
}
// auto_trim - slightly adjusts the ahrs.roll_trim and ahrs.pitch_trim towards the current stick positions
// meant to be called continuously while the pilot attempts to keep the copter level
void Copter::auto_trim()
{
if (auto_trim_counter > 0) {
auto_trim_counter--;
// flash the leds
AP_Notify::flags.save_trim = true;
// calculate roll trim adjustment
float roll_trim_adjustment = ToRad((float)channel_roll->get_control_in() / 4000.0f);
// calculate pitch trim adjustment
float pitch_trim_adjustment = ToRad((float)channel_pitch->get_control_in() / 4000.0f);
// add trim to ahrs object
// save to eeprom on last iteration
ahrs.add_trim(roll_trim_adjustment, pitch_trim_adjustment, (auto_trim_counter == 0));
// on last iteration restore leds and accel gains to normal
if (auto_trim_counter == 0) {
AP_Notify::flags.save_trim = false;
}
}
}