ardupilot/ArduPlane/control_modes.cpp

206 lines
5.4 KiB
C++

#include "Plane.h"
Mode *Plane::mode_from_mode_num(const enum Mode::Number num)
{
Mode *ret = nullptr;
switch (num) {
case Mode::Number::MANUAL:
ret = &mode_manual;
break;
case Mode::Number::CIRCLE:
ret = &mode_circle;
break;
case Mode::Number::STABILIZE:
ret = &mode_stabilize;
break;
case Mode::Number::TRAINING:
ret = &mode_training;
break;
case Mode::Number::ACRO:
ret = &mode_acro;
break;
case Mode::Number::FLY_BY_WIRE_A:
ret = &mode_fbwa;
break;
case Mode::Number::FLY_BY_WIRE_B:
ret = &mode_fbwb;
break;
case Mode::Number::CRUISE:
ret = &mode_cruise;
break;
case Mode::Number::AUTOTUNE:
ret = &mode_autotune;
break;
case Mode::Number::AUTO:
ret = &mode_auto;
break;
case Mode::Number::RTL:
ret = &mode_rtl;
break;
case Mode::Number::LOITER:
ret = &mode_loiter;
break;
case Mode::Number::AVOID_ADSB:
ret = &mode_avoidADSB;
break;
case Mode::Number::GUIDED:
ret = &mode_guided;
break;
case Mode::Number::INITIALISING:
ret = &mode_initializing;
break;
case Mode::Number::QSTABILIZE:
ret = &mode_qstabilize;
break;
case Mode::Number::QHOVER:
ret = &mode_qhover;
break;
case Mode::Number::QLOITER:
ret = &mode_qloiter;
break;
case Mode::Number::QLAND:
ret = &mode_qland;
break;
case Mode::Number::QRTL:
ret = &mode_qrtl;
break;
case Mode::Number::QACRO:
ret = &mode_qacro;
break;
case Mode::Number::QAUTOTUNE:
ret = &mode_qautotune;
break;
case Mode::Number::TAKEOFF:
ret = &mode_takeoff;
break;
}
return ret;
}
void Plane::read_control_switch()
{
static bool switch_debouncer;
uint8_t switchPosition = readSwitch();
// If switchPosition = 255 this indicates that the mode control channel input was out of range
// If we get this value we do not want to change modes.
if(switchPosition == 255) return;
if (failsafe.rc_failsafe || failsafe.throttle_counter > 0) {
// when we are in rc_failsafe mode then RC input is not
// working, and we need to ignore the mode switch channel
return;
}
if (millis() - failsafe.last_valid_rc_ms > 100) {
// only use signals that are less than 0.1s old.
return;
}
// we look for changes in the switch position. If the
// RST_SWITCH_CH parameter is set, then it is a switch that can be
// used to force re-reading of the control switch. This is useful
// when returning to the previous mode after a failsafe or fence
// breach. This channel is best used on a momentary switch (such
// as a spring loaded trainer switch).
if (oldSwitchPosition != switchPosition ||
(g.reset_switch_chan != 0 &&
RC_Channels::get_radio_in(g.reset_switch_chan-1) > RESET_SWITCH_CHAN_PWM)) {
if (switch_debouncer == false) {
// this ensures that mode switches only happen if the
// switch changes for 2 reads. This prevents momentary
// spikes in the mode control channel from causing a mode
// switch
switch_debouncer = true;
return;
}
set_mode_by_number((enum Mode::Number)flight_modes[switchPosition].get(), ModeReason::RC_COMMAND);
oldSwitchPosition = switchPosition;
}
if (g.reset_mission_chan != 0 &&
RC_Channels::get_radio_in(g.reset_mission_chan-1) > RESET_SWITCH_CHAN_PWM) {
mission.start();
prev_WP_loc = current_loc;
}
switch_debouncer = false;
#if PARACHUTE == ENABLED
if (g.parachute_channel > 0) {
if (RC_Channels::get_radio_in(g.parachute_channel-1) >= 1700) {
parachute_manual_release();
}
}
#endif
}
uint8_t Plane::readSwitch(void)
{
uint16_t pulsewidth = RC_Channels::get_radio_in(g.flight_mode_channel - 1);
if (pulsewidth <= 900 || pulsewidth >= 2200) return 255; // This is an error condition
if (pulsewidth <= 1230) return 0;
if (pulsewidth <= 1360) return 1;
if (pulsewidth <= 1490) return 2;
if (pulsewidth <= 1620) return 3;
if (pulsewidth <= 1749) return 4; // Software Manual
return 5; // Hardware Manual
}
void Plane::reset_control_switch()
{
oldSwitchPosition = 254;
read_control_switch();
}
/*
called when entering autotune
*/
void Plane::autotune_start(void)
{
rollController.autotune_start();
pitchController.autotune_start();
}
/*
called when exiting autotune
*/
void Plane::autotune_restore(void)
{
rollController.autotune_restore();
pitchController.autotune_restore();
}
/*
enable/disable autotune for AUTO modes
*/
void Plane::autotune_enable(bool enable)
{
if (enable) {
autotune_start();
} else {
autotune_restore();
}
}
/*
are we flying inverted?
*/
bool Plane::fly_inverted(void)
{
if (control_mode == &plane.mode_manual) {
return false;
}
if (inverted_flight) {
// controlled with aux switch
return true;
}
if (control_mode == &mode_auto && auto_state.inverted_flight) {
return true;
}
return false;
}