void updateState(void)
{
uint8_t i;
if (!hasTimerElapsed()) {
return;
}
if (!isEnabled()) {
reset();
return;
}
if (shouldForceLanding(f.ARMED)) { // Stabilize, and set Throttle to specified level
failsafeAvoidRearm();
for (i = 0; i < 3; i++) {
rcData[i] = rxConfig->midrc; // after specified guard time after RC signal is lost (in 0.1sec)
}
rcData[THROTTLE] = failsafeConfig->failsafe_throttle;
failsafe.events++;
}
if (shouldHaveCausedLandingByNow() || !f.ARMED) {
mwDisarm();
}
}
void crashsafe(void)
{
if ((ABS(inclination.values.rollDeciDegrees) > 600 ||
ABS(inclination.values.pitchDeciDegrees) > 600)) //to indicate that a crash has occurred//
{
Indicator|=(1<<3);
mwDisarm();
}
}
void processRx(void)
{
int i;
uint32_t auxState = 0;
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!rcOptions[BOXARM])
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafe->vTable->isEnabled()) {
failsafe->vTable->enable();
}
failsafe->vTable->updateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
if (throttleStatus == THROTTLE_LOW) {
resetErrorAngle();
resetErrorGyro();
}
processRcStickPositions(&masterConfig.rxConfig, throttleStatus, currentProfile.activate, masterConfig.retarded_arm);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
// Check AUX switches
// auxState is a bitmask, 3 bits per channel. aux1 is first.
// lower 16 bits contain aux 1 to 4, upper 16 bits contain aux 5 to 8
//
// the three bits are as follows:
// bit 1 is SET when the stick is less than 1300
// bit 2 is SET when the stick is between 1300 and 1700
// bit 3 is SET when the stick is above 1700
// if the value is 1300 or 1700 NONE of the three bits are set.
for (i = 0; i < 4; i++) {
auxState |= (rcData[AUX1 + i] < 1300) << (3 * i) |
(1300 < rcData[AUX1 + i] && rcData[AUX1 + i] < 1700) << (3 * i + 1) |
(rcData[AUX1 + i] > 1700) << (3 * i + 2);
auxState |= ((rcData[AUX5 + i] < 1300) << (3 * i) |
(1300 < rcData[AUX5 + i] && rcData[AUX5 + i] < 1700) << (3 * i + 1) |
(rcData[AUX5 + i] > 1700) << (3 * i + 2)) << 16;
}
for (i = 0; i < CHECKBOX_ITEM_COUNT; i++)
rcOptions[i] = (auxState & currentProfile.activate[i]) > 0;
if ((rcOptions[BOXANGLE] || (feature(FEATURE_FAILSAFE) && failsafe->vTable->hasTimerElapsed())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
if (!f.ANGLE_MODE) {
resetErrorAngle();
f.ANGLE_MODE = 1;
}
} else {
f.ANGLE_MODE = 0; // failsafe support
}
if (rcOptions[BOXHORIZON]) {
f.ANGLE_MODE = 0;
if (!f.HORIZON_MODE) {
resetErrorAngle();
f.HORIZON_MODE = 1;
}
} else {
f.HORIZON_MODE = 0;
}
if (f.ANGLE_MODE || f.HORIZON_MODE) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef MAG
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (rcOptions[BOXMAG]) {
if (!f.MAG_MODE) {
f.MAG_MODE = 1;
magHold = heading;
}
} else {
f.MAG_MODE = 0;
}
if (rcOptions[BOXHEADFREE]) {
if (!f.HEADFREE_MODE) {
f.HEADFREE_MODE = 1;
}
} else {
f.HEADFREE_MODE = 0;
}
if (rcOptions[BOXHEADADJ]) {
headFreeModeHold = heading; // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (rcOptions[BOXPASSTHRU]) {
f.PASSTHRU_MODE = 1;
} else {
f.PASSTHRU_MODE = 0;
}
if (masterConfig.mixerConfiguration == MULTITYPE_FLYING_WING || masterConfig.mixerConfiguration == MULTITYPE_AIRPLANE) {
f.HEADFREE_MODE = 0;
}
}
void processRx(void)
{
static bool armedBeeperOn = false;
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!IS_RC_MODE_ACTIVE(BOXARM))
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsMonitoring()) {
failsafeStartMonitoring();
}
failsafeUpdateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
if (throttleStatus == THROTTLE_LOW) {
pidResetErrorAngle();
pidResetErrorGyro();
}
// When armed and motors aren't spinning, do beeps and then disarm
// board after delay so users without buzzer won't lose fingers.
// mixTable constrains motor commands, so checking throttleStatus is enough
if (ARMING_FLAG(ARMED)
&& feature(FEATURE_MOTOR_STOP)
&& !STATE(FIXED_WING)
) {
if (isUsingSticksForArming()) {
if (throttleStatus == THROTTLE_LOW) {
if (masterConfig.auto_disarm_delay != 0
&& (int32_t)(disarmAt - millis()) < 0
) {
// auto-disarm configured and delay is over
mwDisarm();
armedBeeperOn = false;
} else {
// still armed; do warning beeps while armed
beeper(BEEPER_ARMED);
armedBeeperOn = true;
}
} else {
// throttle is not low
if (masterConfig.auto_disarm_delay != 0) {
// extend disarm time
disarmAt = millis() + masterConfig.auto_disarm_delay * 1000;
}
if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
} else {
// arming is via AUX switch; beep while throttle low
if (throttleStatus == THROTTLE_LOW) {
beeper(BEEPER_ARMED);
armedBeeperOn = true;
} else if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
}
processRcStickPositions(&masterConfig.rxConfig, throttleStatus, masterConfig.retarded_arm, masterConfig.disarm_kill_switch);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
updateActivatedModes(currentProfile->modeActivationConditions);
if (!cliMode) {
updateAdjustmentStates(currentProfile->adjustmentRanges);
processRcAdjustments(currentControlRateProfile, &masterConfig.rxConfig);
}
bool canUseHorizonMode = true;
if ((IS_RC_MODE_ACTIVE(BOXANGLE) || (feature(FEATURE_FAILSAFE) && failsafeIsActive())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
pidResetErrorAngle();
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (IS_RC_MODE_ACTIVE(BOXHORIZON) && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
pidResetErrorAngle();
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef MAG
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (IS_RC_MODE_ACTIVE(BOXMAG)) {
if (!FLIGHT_MODE(MAG_MODE)) {
ENABLE_FLIGHT_MODE(MAG_MODE);
magHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw);
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADFREE)) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADADJ)) {
headFreeModeHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw); // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (IS_RC_MODE_ACTIVE(BOXPASSTHRU)) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
if (masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
if ((!masterConfig.telemetryConfig.telemetry_switch && ARMING_FLAG(ARMED)) ||
(masterConfig.telemetryConfig.telemetry_switch && IS_RC_MODE_ACTIVE(BOXTELEMETRY))) {
releaseSharedTelemetryPorts();
} else {
// the telemetry state must be checked immediately so that shared serial ports are released.
telemetryCheckState();
mspAllocateSerialPorts(&masterConfig.serialConfig);
}
}
#endif
}
void processRcStickPositions(throttleStatus_e throttleStatus, bool disarm_kill_switch, bool fixed_wing_auto_arm)
{
static timeMs_t lastTickTimeMs = 0;
static uint8_t rcDelayCommand; // this indicates the number of time (multiple of RC measurement at 50Hz) the sticks must be maintained to run or switch off motors
static uint32_t rcSticks; // this hold sticks position for command combos
static uint8_t rcDisarmTicks; // this is an extra guard for disarming through switch to prevent that one frame can disarm it
const timeMs_t currentTimeMs = millis();
updateRcStickPositions();
uint32_t stTmp = getRcStickPositions();
if (stTmp == rcSticks) {
if (rcDelayCommand < 250) {
if ((currentTimeMs - lastTickTimeMs) >= MIN_RC_TICK_INTERVAL_MS) {
lastTickTimeMs = currentTimeMs;
rcDelayCommand++;
}
}
} else
rcDelayCommand = 0;
rcSticks = stTmp;
// perform actions
if (!isUsingSticksToArm) {
if (IS_RC_MODE_ACTIVE(BOXARM)) {
rcDisarmTicks = 0;
// Arming via ARM BOX
if (throttleStatus == THROTTLE_LOW) {
if (ARMING_FLAG(OK_TO_ARM)) {
mwArm();
}
}
} else {
// Disarming via ARM BOX
// Don't disarm via switch if failsafe is active or receiver doesn't receive data - we can't trust receiver
// and can't afford to risk disarming in the air
if (ARMING_FLAG(ARMED) && !IS_RC_MODE_ACTIVE(BOXFAILSAFE) && rxIsReceivingSignal() && !failsafeIsActive()) {
rcDisarmTicks++;
if (rcDisarmTicks > 3) { // Wait for at least 3 RX ticks (60ms @ 50Hz RX)
if (disarm_kill_switch) {
mwDisarm(DISARM_SWITCH);
} else if (throttleStatus == THROTTLE_LOW) {
mwDisarm(DISARM_SWITCH);
}
}
}
else {
rcDisarmTicks = 0;
}
}
}
// KILLSWITCH disarms instantly
if (IS_RC_MODE_ACTIVE(BOXKILLSWITCH)) {
mwDisarm(DISARM_KILLSWITCH);
}
if (rcDelayCommand != 20) {
return;
}
if (isUsingSticksToArm) {
// Disarm on throttle down + yaw
if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_CE) {
// Dont disarm if fixedwing and motorstop
if (STATE(FIXED_WING) && feature(FEATURE_MOTOR_STOP) && fixed_wing_auto_arm) {
return;
}
else if (ARMING_FLAG(ARMED)) {
mwDisarm(DISARM_STICKS);
}
else {
beeper(BEEPER_DISARM_REPEAT); // sound tone while stick held
rcDelayCommand = 0; // reset so disarm tone will repeat
}
}
}
if (ARMING_FLAG(ARMED)) {
// actions during armed
return;
}
// actions during not armed
int i = 0;
// GYRO calibration
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_CE) {
gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
return;
}
#if defined(NAV_NON_VOLATILE_WAYPOINT_STORAGE)
// Save waypoint list
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_LO) {
const bool success = saveNonVolatileWaypointList();
beeper(success ? BEEPER_ACTION_SUCCESS : BEEPER_ACTION_FAIL);
}
// Load waypoint list
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_HI) {
const bool success = loadNonVolatileWaypointList();
beeper(success ? BEEPER_ACTION_SUCCESS : BEEPER_ACTION_FAIL);
}
#endif
// Multiple configuration profiles
if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_LO) // ROLL left -> Profile 1
i = 1;
else if (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_CE) // PITCH up -> Profile 2
i = 2;
else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_HI) // ROLL right -> Profile 3
i = 3;
if (i) {
setConfigProfileAndWriteEEPROM(i - 1);
return;
}
// Save config
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_HI) {
saveConfigAndNotify();
}
// Arming by sticks
if (isUsingSticksToArm) {
if (STATE(FIXED_WING) && feature(FEATURE_MOTOR_STOP) && fixed_wing_auto_arm) {
// Auto arm on throttle when using fixedwing and motorstop
if (throttleStatus != THROTTLE_LOW) {
mwArm();
return;
}
}
else {
if (rcSticks == THR_LO + YAW_HI + PIT_CE + ROL_CE) {
// Arm via YAW
mwArm();
return;
}
}
}
// Calibrating Acc
if (rcSticks == THR_HI + YAW_LO + PIT_LO + ROL_CE) {
accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
return;
}
// Calibrating Mag
if (rcSticks == THR_HI + YAW_HI + PIT_LO + ROL_CE) {
ENABLE_STATE(CALIBRATE_MAG);
return;
}
// Accelerometer Trim
if (rcSticks == THR_HI + YAW_CE + PIT_HI + ROL_CE) {
applyAndSaveBoardAlignmentDelta(0, -2);
rcDelayCommand = 10;
return;
} else if (rcSticks == THR_HI + YAW_CE + PIT_LO + ROL_CE) {
applyAndSaveBoardAlignmentDelta(0, 2);
rcDelayCommand = 10;
return;
} else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_HI) {
applyAndSaveBoardAlignmentDelta(-2, 0);
rcDelayCommand = 10;
return;
} else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_LO) {
applyAndSaveBoardAlignmentDelta(2, 0);
rcDelayCommand = 10;
return;
}
}
void processRx(void)
{
static bool armedBeeperOn = false;
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!IS_RC_MODE_ACTIVE(BOXARM))
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsMonitoring()) {
failsafeStartMonitoring();
}
failsafeUpdateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
// When armed and motors aren't spinning, do beeps and then disarm
// board after delay so users without buzzer won't lose fingers.
// mixTable constrains motor commands, so checking throttleStatus is enough
if (ARMING_FLAG(ARMED)
&& feature(FEATURE_MOTOR_STOP)
&& !STATE(FIXED_WING)
) {
if (isUsingSticksForArming()) {
if (throttleStatus == THROTTLE_LOW) {
if (masterConfig.auto_disarm_delay != 0
&& (int32_t)(disarmAt - millis()) < 0
) {
// auto-disarm configured and delay is over
mwDisarm();
armedBeeperOn = false;
} else {
// still armed; do warning beeps while armed
beeper(BEEPER_ARMED);
armedBeeperOn = true;
}
} else {
// throttle is not low
if (masterConfig.auto_disarm_delay != 0) {
// extend disarm time
disarmAt = millis() + masterConfig.auto_disarm_delay * 1000;
}
if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
} else {
// arming is via AUX switch; beep while throttle low
if (throttleStatus == THROTTLE_LOW) {
beeper(BEEPER_ARMED);
armedBeeperOn = true;
} else if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
}
processRcStickPositions(&masterConfig.rxConfig, throttleStatus, masterConfig.disarm_kill_switch, masterConfig.fixed_wing_auto_arm);
updateActivatedModes(currentProfile->modeActivationConditions, currentProfile->modeActivationOperator);
if (!cliMode) {
updateAdjustmentStates(currentProfile->adjustmentRanges);
processRcAdjustments(currentControlRateProfile, &masterConfig.rxConfig);
}
bool canUseHorizonMode = true;
if ((IS_RC_MODE_ACTIVE(BOXANGLE) || (feature(FEATURE_FAILSAFE) && failsafeIsActive()) || naivationRequiresAngleMode()) && sensors(SENSOR_ACC)) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (IS_RC_MODE_ACTIVE(BOXHORIZON) && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
/* Heading lock mode */
if (IS_RC_MODE_ACTIVE(BOXHEADINGLOCK)) {
if (!FLIGHT_MODE(HEADING_LOCK)) {
ENABLE_FLIGHT_MODE(HEADING_LOCK);
}
} else {
DISABLE_FLIGHT_MODE(HEADING_LOCK);
}
/* Flaperon mode */
if (IS_RC_MODE_ACTIVE(BOXFLAPERON) && STATE(FLAPERON_AVAILABLE)) {
if (!FLIGHT_MODE(FLAPERON)) {
ENABLE_FLIGHT_MODE(FLAPERON);
}
} else {
DISABLE_FLIGHT_MODE(FLAPERON);
}
/* Turn assistant mode */
if (IS_RC_MODE_ACTIVE(BOXTURNASSIST)) {
if (!FLIGHT_MODE(TURN_ASSISTANT)) {
ENABLE_FLIGHT_MODE(TURN_ASSISTANT);
}
} else {
DISABLE_FLIGHT_MODE(TURN_ASSISTANT);
}
#if defined(MAG)
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (IS_RC_MODE_ACTIVE(BOXMAG)) {
if (!FLIGHT_MODE(MAG_MODE)) {
resetMagHoldHeading(DECIDEGREES_TO_DEGREES(attitude.values.yaw));
ENABLE_FLIGHT_MODE(MAG_MODE);
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADFREE)) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADADJ)) {
headFreeModeHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw); // acquire new heading
}
}
#endif
// Navigation may override PASSTHRU_MODE
if (IS_RC_MODE_ACTIVE(BOXPASSTHRU) && !naivationRequiresAngleMode()) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
/* In airmode Iterm should be prevented to grow when Low thottle and Roll + Pitch Centered.
This is needed to prevent Iterm winding on the ground, but keep full stabilisation on 0 throttle while in air
Low Throttle + roll and Pitch centered is assuming the copter is on the ground. Done to prevent complex air/ground detections */
if (FLIGHT_MODE(PASSTHRU_MODE) || !ARMING_FLAG(ARMED)) {
/* In PASSTHRU mode we reset integrators prevent I-term wind-up (PID output is not used in PASSTHRU) */
pidResetErrorAccumulators();
}
else {
if (throttleStatus == THROTTLE_LOW) {
if (IS_RC_MODE_ACTIVE(BOXAIRMODE) && !failsafeIsActive() && ARMING_FLAG(ARMED)) {
rollPitchStatus_e rollPitchStatus = calculateRollPitchCenterStatus(&masterConfig.rxConfig);
// ANTI_WINDUP at centred stick with MOTOR_STOP is needed on MRs and not needed on FWs
if ((rollPitchStatus == CENTERED) || (feature(FEATURE_MOTOR_STOP) && !STATE(FIXED_WING))) {
ENABLE_STATE(ANTI_WINDUP);
}
else {
DISABLE_STATE(ANTI_WINDUP);
}
}
else {
DISABLE_STATE(ANTI_WINDUP);
pidResetErrorAccumulators();
}
}
else {
DISABLE_STATE(ANTI_WINDUP);
}
}
if (masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_AIRPLANE || masterConfig.mixerMode == MIXER_CUSTOM_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
if ((!masterConfig.telemetryConfig.telemetry_switch && ARMING_FLAG(ARMED)) ||
(masterConfig.telemetryConfig.telemetry_switch && IS_RC_MODE_ACTIVE(BOXTELEMETRY))) {
releaseSharedTelemetryPorts();
} else {
// the telemetry state must be checked immediately so that shared serial ports are released.
telemetryCheckState();
mspSerialAllocatePorts();
}
}
#endif
}
void executePeriodicTasks(void)
{
static int periodicTaskIndex = 0;
switch (periodicTaskIndex++) {
#ifdef MAG
case UPDATE_COMPASS_TASK:
if (sensors(SENSOR_MAG)) {
updateCompass(&masterConfig.magZero);
}
break;
#endif
#ifdef BARO
case UPDATE_BARO_TASK:
if (sensors(SENSOR_BARO)) {
baroUpdate(currentTime);
}
break;
#endif
#if defined(BARO) || defined(SONAR)
case CALCULATE_ALTITUDE_TASK:
#if defined(BARO) && !defined(SONAR)
if (sensors(SENSOR_BARO) && isBaroReady()) {
#endif
#if defined(BARO) && defined(SONAR)
if ((sensors(SENSOR_BARO) && isBaroReady()) || sensors(SENSOR_SONAR)) {
#endif
#if !defined(BARO) && defined(SONAR)
if (sensors(SENSOR_SONAR)) {
#endif
calculateEstimatedAltitude(currentTime);
}
break;
#endif
#ifdef SONAR
case UPDATE_SONAR_TASK:
if (sensors(SENSOR_SONAR)) {
sonarUpdate();
}
break;
#endif
#ifdef DISPLAY
case UPDATE_DISPLAY_TASK:
if (feature(FEATURE_DISPLAY)) {
updateDisplay();
}
break;
#endif
}
if (periodicTaskIndex >= PERIODIC_TASK_COUNT) {
periodicTaskIndex = 0;
}
}
void processRx(void)
{
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!IS_RC_MODE_ACTIVE(BOXARM))
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsEnabled()) {
failsafeEnable();
}
failsafeUpdateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
if (throttleStatus == THROTTLE_LOW) {
pidResetErrorAngle();
pidResetErrorGyro();
}
// When armed and motors aren't spinning, disarm board after delay so users without buzzer won't lose fingers.
// mixTable constrains motor commands, so checking throttleStatus is enough
if (ARMING_FLAG(ARMED)
&& feature(FEATURE_MOTOR_STOP) && !STATE(FIXED_WING)
&& masterConfig.auto_disarm_delay != 0
&& isUsingSticksForArming()) {
if (throttleStatus == THROTTLE_LOW) {
if ((int32_t)(disarmAt - millis()) < 0) // delay is over
mwDisarm();
} else {
disarmAt = millis() + masterConfig.auto_disarm_delay * 1000; // extend delay
}
}
processRcStickPositions(&masterConfig.rxConfig, throttleStatus, masterConfig.retarded_arm, masterConfig.disarm_kill_switch);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
updateActivatedModes(currentProfile->modeActivationConditions);
if (!cliMode) {
updateAdjustmentStates(currentProfile->adjustmentRanges);
processRcAdjustments(currentControlRateProfile, &masterConfig.rxConfig);
}
bool canUseHorizonMode = true;
if ((IS_RC_MODE_ACTIVE(BOXANGLE) || (feature(FEATURE_FAILSAFE) && failsafeHasTimerElapsed())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
pidResetErrorAngle();
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (IS_RC_MODE_ACTIVE(BOXHORIZON) && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
pidResetErrorAngle();
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef MAG
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (IS_RC_MODE_ACTIVE(BOXMAG)) {
if (!FLIGHT_MODE(MAG_MODE)) {
ENABLE_FLIGHT_MODE(MAG_MODE);
magHold = heading;
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADFREE)) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADADJ)) {
headFreeModeHold = heading; // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (IS_RC_MODE_ACTIVE(BOXPASSTHRU)) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
if (masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
}
void loop(void)
{
static uint32_t loopTime;
#if defined(BARO) || defined(SONAR)
static bool haveProcessedAnnexCodeOnce = false;
#endif
updateRx();
if (shouldProcessRx(currentTime)) {
processRx();
#ifdef BARO
// the 'annexCode' initialses rcCommand, updateAltHoldState depends on valid rcCommand data.
if (haveProcessedAnnexCodeOnce) {
if (sensors(SENSOR_BARO)) {
updateAltHoldState();
}
}
#endif
#ifdef SONAR
// the 'annexCode' initialses rcCommand, updateAltHoldState depends on valid rcCommand data.
if (haveProcessedAnnexCodeOnce) {
if (sensors(SENSOR_SONAR)) {
updateSonarAltHoldState();
}
}
#endif
} else {
// not processing rx this iteration
executePeriodicTasks();
// if GPS feature is enabled, gpsThread() will be called at some intervals to check for stuck
// hardware, wrong baud rates, init GPS if needed, etc. Don't use SENSOR_GPS here as gpsThread() can and will
// change this based on available hardware
#ifdef GPS
if (feature(FEATURE_GPS)) {
gpsThread();
}
#endif
}
currentTime = micros();
if (masterConfig.looptime == 0 || (int32_t)(currentTime - loopTime) >= 0) {
loopTime = currentTime + masterConfig.looptime;
imuUpdate(¤tProfile->accelerometerTrims, masterConfig.mixerMode);
// Measure loop rate just after reading the sensors
currentTime = micros();
cycleTime = (int32_t)(currentTime - previousTime);
previousTime = currentTime;
annexCode();
#if defined(BARO) || defined(SONAR)
haveProcessedAnnexCodeOnce = true;
#endif
#ifdef AUTOTUNE
updateAutotuneState();
#endif
#ifdef MAG
if (sensors(SENSOR_MAG)) {
updateMagHold();
}
#endif
#if defined(BARO) || defined(SONAR)
if (sensors(SENSOR_BARO) || sensors(SENSOR_SONAR)) {
if (FLIGHT_MODE(BARO_MODE) || FLIGHT_MODE(SONAR_MODE)) {
applyAltHold(&masterConfig.airplaneConfig);
}
}
#endif
// If we're armed, at minimum throttle, and we do arming via the
// sticks, do not process yaw input from the rx. We do this so the
// motors do not spin up while we are trying to arm or disarm.
if (isUsingSticksForArming() && rcData[THROTTLE] <= masterConfig.rxConfig.mincheck) {
rcCommand[YAW] = 0;
}
if (currentProfile->throttle_correction_value && (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE))) {
rcCommand[THROTTLE] += calculateThrottleAngleCorrection(currentProfile->throttle_correction_value);
}
#ifdef GPS
if (sensors(SENSOR_GPS)) {
if ((FLIGHT_MODE(GPS_HOME_MODE) || FLIGHT_MODE(GPS_HOLD_MODE)) && STATE(GPS_FIX_HOME)) {
updateGpsStateForHomeAndHoldMode();
}
}
#endif
// PID - note this is function pointer set by setPIDController()
pid_controller(
¤tProfile->pidProfile,
currentControlRateProfile,
masterConfig.max_angle_inclination,
¤tProfile->accelerometerTrims,
&masterConfig.rxConfig
);
mixTable();
#ifdef USE_SERVOS
filterServos();
writeServos();
#endif
writeMotors();
#ifdef BLACKBOX
if (!cliMode && feature(FEATURE_BLACKBOX)) {
handleBlackbox();
}
#endif
}
#ifdef TELEMETRY
if (!cliMode && feature(FEATURE_TELEMETRY)) {
handleTelemetry();
}
#endif
#ifdef LED_STRIP
if (feature(FEATURE_LED_STRIP)) {
updateLedStrip();
}
#endif
}
void executePeriodicTasks(void)
{
static int periodicTaskIndex = 0;
switch (periodicTaskIndex++) {
#ifdef MAG
case UPDATE_COMPASS_TASK:
if (sensors(SENSOR_MAG)) {
updateCompass(&masterConfig.magZero);
}
break;
#endif
#ifdef BARO
case UPDATE_BARO_TASK:
if (sensors(SENSOR_BARO)) {
baroUpdate(currentTime);
}
break;
#endif
#if defined(BARO) || defined(SONAR)
case CALCULATE_ALTITUDE_TASK:
#if defined(BARO) && !defined(SONAR)
if (sensors(SENSOR_BARO) && isBaroReady()) {
#endif
#if defined(BARO) && defined(SONAR)
if ((sensors(SENSOR_BARO) && isBaroReady()) || sensors(SENSOR_SONAR)) {
#endif
#if !defined(BARO) && defined(SONAR)
if (sensors(SENSOR_SONAR)) {
#endif
calculateEstimatedAltitude(currentTime);
}
break;
#endif
#ifdef SONAR
case UPDATE_SONAR_TASK:
if (sensors(SENSOR_SONAR)) {
sonarUpdate();
}
break;
#endif
#ifdef DISPLAY
case UPDATE_DISPLAY_TASK:
if (feature(FEATURE_DISPLAY)) {
updateDisplay();
}
break;
#endif
}
if (periodicTaskIndex >= PERIODIC_TASK_COUNT) {
periodicTaskIndex = 0;
}
}
void processRx(void)
{
static bool armedBeeperOn = false;
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!IS_RC_MODE_ACTIVE(BOXARM))
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsMonitoring()) {
failsafeStartMonitoring();
}
failsafeUpdateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
if (throttleStatus == THROTTLE_LOW) {
pidResetErrorAngle();
pidResetErrorGyro();
}
// When armed and motors aren't spinning, do beeps and then disarm
// board after delay so users without buzzer won't lose fingers.
// mixTable constrains motor commands, so checking throttleStatus is enough
if (ARMING_FLAG(ARMED)
&& feature(FEATURE_MOTOR_STOP)
&& !STATE(FIXED_WING)
) {
if (isUsingSticksForArming()) {
if (throttleStatus == THROTTLE_LOW) {
if (masterConfig.auto_disarm_delay != 0
&& (int32_t)(disarmAt - millis()) < 0
) {
// auto-disarm configured and delay is over
mwDisarm();
armedBeeperOn = false;
} else {
// still armed; do warning beeps while armed
beeper(BEEPER_ARMED);
armedBeeperOn = true;
}
} else {
// throttle is not low
if (masterConfig.auto_disarm_delay != 0) {
// extend disarm time
disarmAt = millis() + masterConfig.auto_disarm_delay * 1000;
}
if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
} else {
// arming is via AUX switch; beep while throttle low
if (throttleStatus == THROTTLE_LOW) {
beeper(BEEPER_ARMED);
armedBeeperOn = true;
} else if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
}
processRcStickPositions(&masterConfig.rxConfig, throttleStatus, masterConfig.retarded_arm, masterConfig.disarm_kill_switch);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
updateActivatedModes(currentProfile->modeActivationConditions);
if (!cliMode) {
updateAdjustmentStates(currentProfile->adjustmentRanges);
processRcAdjustments(currentControlRateProfile, &masterConfig.rxConfig);
}
bool canUseHorizonMode = true;
if ((IS_RC_MODE_ACTIVE(BOXANGLE) || (feature(FEATURE_FAILSAFE) && failsafeIsActive())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
pidResetErrorAngle();
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (IS_RC_MODE_ACTIVE(BOXHORIZON) && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
pidResetErrorAngle();
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef MAG
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (IS_RC_MODE_ACTIVE(BOXMAG)) {
if (!FLIGHT_MODE(MAG_MODE)) {
ENABLE_FLIGHT_MODE(MAG_MODE);
magHold = heading;
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADFREE)) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADADJ)) {
headFreeModeHold = heading; // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (IS_RC_MODE_ACTIVE(BOXPASSTHRU)) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
if (masterConfig.mixerMode == MIXER_FLYING_WING || masterConfig.mixerMode == MIXER_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
if ((!masterConfig.telemetryConfig.telemetry_switch && ARMING_FLAG(ARMED)) ||
(masterConfig.telemetryConfig.telemetry_switch && IS_RC_MODE_ACTIVE(BOXTELEMETRY))) {
releaseSharedTelemetryPorts();
} else {
// the telemetry state must be checked immediately so that shared serial ports are released.
telemetryCheckState();
mspAllocateSerialPorts(&masterConfig.serialConfig);
}
}
#endif
}
void filterRc(void){
static int16_t lastCommand[4] = { 0, 0, 0, 0 };
static int16_t deltaRC[4] = { 0, 0, 0, 0 };
static int16_t factor, rcInterpolationFactor;
static filterStatePt1_t filteredCycleTimeState;
uint16_t rxRefreshRate, filteredCycleTime;
// Set RC refresh rate for sampling and channels to filter
initRxRefreshRate(&rxRefreshRate);
filteredCycleTime = filterApplyPt1(cycleTime, &filteredCycleTimeState, 1);
rcInterpolationFactor = rxRefreshRate / filteredCycleTime + 1;
if (isRXDataNew) {
for (int channel=0; channel < 4; channel++) {
deltaRC[channel] = rcData[channel] - (lastCommand[channel] - deltaRC[channel] * factor / rcInterpolationFactor);
lastCommand[channel] = rcData[channel];
}
isRXDataNew = false;
factor = rcInterpolationFactor - 1;
} else {
factor--;
}
// Interpolate steps of rcData
if (factor > 0) {
for (int channel=0; channel < 4; channel++) {
rcData[channel] = lastCommand[channel] - deltaRC[channel] * factor/rcInterpolationFactor;
}
} else {
factor = 0;
}
}
void loop(void)
{
static uint32_t loopTime;
#if defined(BARO) || defined(SONAR)
static bool haveProcessedAnnexCodeOnce = false;
#endif
updateRx(currentTime);
if (shouldProcessRx(currentTime)) {
processRx();
isRXDataNew = true;
#ifdef BARO
// the 'annexCode' initialses rcCommand, updateAltHoldState depends on valid rcCommand data.
if (haveProcessedAnnexCodeOnce) {
if (sensors(SENSOR_BARO)) {
updateAltHoldState();
}
}
#endif
#ifdef SONAR
// the 'annexCode' initialses rcCommand, updateAltHoldState depends on valid rcCommand data.
if (haveProcessedAnnexCodeOnce) {
if (sensors(SENSOR_SONAR)) {
updateSonarAltHoldState();
}
}
#endif
} else {
// not processing rx this iteration
executePeriodicTasks();
// if GPS feature is enabled, gpsThread() will be called at some intervals to check for stuck
// hardware, wrong baud rates, init GPS if needed, etc. Don't use SENSOR_GPS here as gpsThread() can and will
// change this based on available hardware
#ifdef GPS
if (feature(FEATURE_GPS)) {
gpsThread();
}
#endif
}
currentTime = micros();
if (masterConfig.looptime == 0 || (int32_t)(currentTime - loopTime) >= 0) {
loopTime = currentTime + masterConfig.looptime;
imuUpdate(¤tProfile->accelerometerTrims);
// Measure loop rate just after reading the sensors
currentTime = micros();
cycleTime = (int32_t)(currentTime - previousTime);
previousTime = currentTime;
// Gyro Low Pass
if (currentProfile->pidProfile.gyro_cut_hz) {
int axis;
static filterStatePt1_t gyroADCState[XYZ_AXIS_COUNT];
for (axis = 0; axis < XYZ_AXIS_COUNT; axis++) {
gyroADC[axis] = filterApplyPt1(gyroADC[axis], &gyroADCState[axis], currentProfile->pidProfile.gyro_cut_hz);
}
}
if (masterConfig.rxConfig.rcSmoothing) {
filterRc();
}
annexCode();
#if defined(BARO) || defined(SONAR)
haveProcessedAnnexCodeOnce = true;
#endif
#ifdef MAG
if (sensors(SENSOR_MAG)) {
updateMagHold();
}
#endif
#ifdef GTUNE
updateGtuneState();
#endif
#if defined(BARO) || defined(SONAR)
if (sensors(SENSOR_BARO) || sensors(SENSOR_SONAR)) {
if (FLIGHT_MODE(BARO_MODE) || FLIGHT_MODE(SONAR_MODE)) {
applyAltHold(&masterConfig.airplaneConfig);
}
}
#endif
// If we're armed, at minimum throttle, and we do arming via the
// sticks, do not process yaw input from the rx. We do this so the
// motors do not spin up while we are trying to arm or disarm.
// Allow yaw control for tricopters if the user wants the servo to move even when unarmed.
if (isUsingSticksForArming() && rcData[THROTTLE] <= masterConfig.rxConfig.mincheck
#ifndef USE_QUAD_MIXER_ONLY
&& !((masterConfig.mixerMode == MIXER_TRI || masterConfig.mixerMode == MIXER_CUSTOM_TRI) && masterConfig.mixerConfig.tri_unarmed_servo)
&& masterConfig.mixerMode != MIXER_AIRPLANE
&& masterConfig.mixerMode != MIXER_FLYING_WING
#endif
) {
rcCommand[YAW] = 0;
}
if (currentProfile->throttle_correction_value && (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE))) {
rcCommand[THROTTLE] += calculateThrottleAngleCorrection(currentProfile->throttle_correction_value);
}
#ifdef GPS
if (sensors(SENSOR_GPS)) {
if ((FLIGHT_MODE(GPS_HOME_MODE) || FLIGHT_MODE(GPS_HOLD_MODE)) && STATE(GPS_FIX_HOME)) {
updateGpsStateForHomeAndHoldMode();
}
}
#endif
// PID - note this is function pointer set by setPIDController()
pid_controller(
¤tProfile->pidProfile,
currentControlRateProfile,
masterConfig.max_angle_inclination,
¤tProfile->accelerometerTrims,
&masterConfig.rxConfig
);
mixTable();
#ifdef USE_SERVOS
filterServos();
writeServos();
#endif
if (motorControlEnable) {
writeMotors();
}
#ifdef BLACKBOX
if (!cliMode && feature(FEATURE_BLACKBOX)) {
handleBlackbox();
}
#endif
}
#ifdef TELEMETRY
if (!cliMode && feature(FEATURE_TELEMETRY)) {
telemetryProcess(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
}
#endif
#ifdef LED_STRIP
if (feature(FEATURE_LED_STRIP)) {
updateLedStrip();
}
#endif
}
void failsafeUpdateState(void)
{
if (!failsafeIsMonitoring()) {
return;
}
bool receivingRxData = failsafeIsReceivingRxData();
bool armed = ARMING_FLAG(ARMED);
bool failsafeSwitchIsOn = IS_RC_MODE_ACTIVE(BOXFAILSAFE);
beeperMode_e beeperMode = BEEPER_SILENCE;
if (!receivingRxData) {
beeperMode = BEEPER_RX_LOST;
}
bool reprocessState;
do {
reprocessState = false;
switch (failsafeState.phase) {
case FAILSAFE_IDLE:
if (armed) {
// Track throttle command below minimum time
if (THROTTLE_HIGH == calculateThrottleStatus(rxConfig, deadband3dThrottle)) {
failsafeState.throttleLowPeriod = millis() + failsafeConfig->failsafe_throttle_low_delay * MILLIS_PER_TENTH_SECOND;
}
// Kill switch logic (must be independent of receivingRxData to skip PERIOD_RXDATA_FAILURE delay before disarming)
if (failsafeSwitchIsOn && failsafeConfig->failsafe_kill_switch) {
// KillswitchEvent: failsafe switch is configured as KILL switch and is switched ON
failsafeActivate();
failsafeState.phase = FAILSAFE_LANDED; // skip auto-landing procedure
failsafeState.receivingRxDataPeriodPreset = PERIOD_OF_1_SECONDS; // require 1 seconds of valid rxData
reprocessState = true;
} else if (!receivingRxData) {
if (millis() > failsafeState.throttleLowPeriod) {
// JustDisarm: throttle was LOW for at least 'failsafe_throttle_low_delay' seconds
failsafeActivate();
failsafeState.phase = FAILSAFE_LANDED; // skip auto-landing procedure
failsafeState.receivingRxDataPeriodPreset = PERIOD_OF_3_SECONDS; // require 3 seconds of valid rxData
} else {
failsafeState.phase = FAILSAFE_RX_LOSS_DETECTED;
}
reprocessState = true;
}
} else {
// When NOT armed, show rxLinkState of failsafe switch in GUI (failsafe mode)
if (failsafeSwitchIsOn) {
ENABLE_FLIGHT_MODE(FAILSAFE_MODE);
} else {
DISABLE_FLIGHT_MODE(FAILSAFE_MODE);
}
// Throttle low period expired (= low long enough for JustDisarm)
failsafeState.throttleLowPeriod = 0;
}
break;
case FAILSAFE_RX_LOSS_DETECTED:
if (receivingRxData) {
failsafeState.phase = FAILSAFE_RX_LOSS_RECOVERED;
} else {
// Stabilize, and set Throttle to specified level
failsafeActivate();
}
reprocessState = true;
break;
case FAILSAFE_LANDING:
if (receivingRxData) {
failsafeState.phase = FAILSAFE_RX_LOSS_RECOVERED;
reprocessState = true;
}
if (armed) {
failsafeApplyControlInput();
beeperMode = BEEPER_RX_LOST_LANDING;
}
if (failsafeShouldHaveCausedLandingByNow() || !armed) {
failsafeState.receivingRxDataPeriodPreset = PERIOD_OF_30_SECONDS; // require 30 seconds of valid rxData
failsafeState.phase = FAILSAFE_LANDED;
reprocessState = true;
}
break;
case FAILSAFE_LANDED:
ENABLE_ARMING_FLAG(PREVENT_ARMING); // To prevent accidently rearming by an intermittent rx link
mwDisarm();
failsafeState.receivingRxDataPeriod = millis() + failsafeState.receivingRxDataPeriodPreset; // set required period of valid rxData
failsafeState.phase = FAILSAFE_RX_LOSS_MONITORING;
reprocessState = true;
break;
case FAILSAFE_RX_LOSS_MONITORING:
// Monitoring the rx link to allow rearming when it has become good for > `receivingRxDataPeriodPreset` time.
if (receivingRxData) {
if (millis() > failsafeState.receivingRxDataPeriod) {
// rx link is good now, when arming via ARM switch, it must be OFF first
if (!(!isUsingSticksForArming() && IS_RC_MODE_ACTIVE(BOXARM))) {
DISABLE_ARMING_FLAG(PREVENT_ARMING);
failsafeState.phase = FAILSAFE_RX_LOSS_RECOVERED;
reprocessState = true;
}
}
} else {
failsafeState.receivingRxDataPeriod = millis() + failsafeState.receivingRxDataPeriodPreset;
}
break;
case FAILSAFE_RX_LOSS_RECOVERED:
// Entering IDLE with the requirement that throttle first must be at min_check for failsafe_throttle_low_delay period.
// This is to prevent that JustDisarm is activated on the next iteration.
// Because that would have the effect of shutting down failsafe handling on intermittent connections.
failsafeState.throttleLowPeriod = millis() + failsafeConfig->failsafe_throttle_low_delay * MILLIS_PER_TENTH_SECOND;
failsafeState.phase = FAILSAFE_IDLE;
failsafeState.active = false;
DISABLE_FLIGHT_MODE(FAILSAFE_MODE);
reprocessState = true;
break;
default:
break;
}
} while (reprocessState);
if (beeperMode != BEEPER_SILENCE) {
beeper(beeperMode);
}
}
void processRx(timeUs_t currentTimeUs)
{
static bool armedBeeperOn = false;
static bool airmodeIsActivated;
calculateRxChannelsAndUpdateFailsafe(currentTimeUs);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!IS_RC_MODE_ACTIVE(BOXARM))
mwDisarm();
}
updateRSSI(currentTimeUs);
if (feature(FEATURE_FAILSAFE)) {
if (currentTimeUs > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsMonitoring()) {
failsafeStartMonitoring();
}
failsafeUpdateState();
}
const throttleStatus_e throttleStatus = calculateThrottleStatus();
if (isAirmodeActive() && ARMING_FLAG(ARMED)) {
if (rcCommand[THROTTLE] >= rxConfig()->airModeActivateThreshold) airmodeIsActivated = true; // Prevent Iterm from being reset
} else {
airmodeIsActivated = false;
}
/* In airmode Iterm should be prevented to grow when Low thottle and Roll + Pitch Centered.
This is needed to prevent Iterm winding on the ground, but keep full stabilisation on 0 throttle while in air */
if (throttleStatus == THROTTLE_LOW && !airmodeIsActivated) {
pidResetErrorGyroState();
if (currentPidProfile->pidAtMinThrottle)
pidStabilisationState(PID_STABILISATION_ON);
else
pidStabilisationState(PID_STABILISATION_OFF);
} else {
pidStabilisationState(PID_STABILISATION_ON);
}
// When armed and motors aren't spinning, do beeps and then disarm
// board after delay so users without buzzer won't lose fingers.
// mixTable constrains motor commands, so checking throttleStatus is enough
if (ARMING_FLAG(ARMED)
&& feature(FEATURE_MOTOR_STOP)
&& !STATE(FIXED_WING)
&& !feature(FEATURE_3D)
&& !isAirmodeActive()
) {
if (isUsingSticksForArming()) {
if (throttleStatus == THROTTLE_LOW) {
if (armingConfig()->auto_disarm_delay != 0
&& (int32_t)(disarmAt - millis()) < 0
) {
// auto-disarm configured and delay is over
mwDisarm();
armedBeeperOn = false;
} else {
// still armed; do warning beeps while armed
beeper(BEEPER_ARMED);
armedBeeperOn = true;
}
} else {
// throttle is not low
if (armingConfig()->auto_disarm_delay != 0) {
// extend disarm time
disarmAt = millis() + armingConfig()->auto_disarm_delay * 1000;
}
if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
} else {
// arming is via AUX switch; beep while throttle low
if (throttleStatus == THROTTLE_LOW) {
beeper(BEEPER_ARMED);
armedBeeperOn = true;
} else if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
}
processRcStickPositions(throttleStatus);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
updateActivatedModes();
if (!cliMode) {
updateAdjustmentStates();
processRcAdjustments(currentControlRateProfile);
}
bool canUseHorizonMode = true;
if ((IS_RC_MODE_ACTIVE(BOXANGLE) || (feature(FEATURE_FAILSAFE) && failsafeIsActive())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (IS_RC_MODE_ACTIVE(BOXHORIZON) && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
#if defined(ACC) || defined(MAG)
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
#if defined(GPS) || defined(MAG)
if (IS_RC_MODE_ACTIVE(BOXMAG)) {
if (!FLIGHT_MODE(MAG_MODE)) {
ENABLE_FLIGHT_MODE(MAG_MODE);
magHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw);
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
#endif
if (IS_RC_MODE_ACTIVE(BOXHEADFREE)) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (IS_RC_MODE_ACTIVE(BOXHEADADJ)) {
headFreeModeHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw); // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (IS_RC_MODE_ACTIVE(BOXPASSTHRU)) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
if (mixerConfig()->mixerMode == MIXER_FLYING_WING || mixerConfig()->mixerMode == MIXER_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
if ((!telemetryConfig()->telemetry_switch && ARMING_FLAG(ARMED)) ||
(telemetryConfig()->telemetry_switch && IS_RC_MODE_ACTIVE(BOXTELEMETRY))) {
releaseSharedTelemetryPorts();
} else {
// the telemetry state must be checked immediately so that shared serial ports are released.
telemetryCheckState();
mspSerialAllocatePorts();
}
}
#endif
#ifdef VTX
vtxUpdateActivatedChannel();
#endif
}
void processRx(void)
{
static bool armedBeeperOn = false;
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!rcModeIsActive(BOXARM))
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsMonitoring()) {
failsafeStartMonitoring();
}
failsafeUpdateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(rxConfig(), rcControlsConfig()->deadband3d_throttle);
rollPitchStatus_e rollPitchStatus = calculateRollPitchCenterStatus(rxConfig());
/* In airmode Iterm should be prevented to grow when Low thottle and Roll + Pitch Centered.
This is needed to prevent Iterm winding on the ground, but keep full stabilisation on 0 throttle while in air
Low Throttle + roll and Pitch centered is assuming the copter is on the ground. Done to prevent complex air/ground detections */
if (throttleStatus == THROTTLE_LOW) {
if (rcModeIsActive(BOXAIRMODE) && !failsafeIsActive() && ARMING_FLAG(ARMED)) {
if (rollPitchStatus == CENTERED) {
ENABLE_STATE(ANTI_WINDUP);
} else {
DISABLE_STATE(ANTI_WINDUP);
}
} else {
pidResetITerm();
}
} else {
DISABLE_STATE(ANTI_WINDUP);
}
// When armed and motors aren't spinning, do beeps and then disarm
// board after delay so users without buzzer won't lose fingers.
// mixTable constrains motor commands, so checking throttleStatus is enough
if (ARMING_FLAG(ARMED)
&& feature(FEATURE_MOTOR_STOP)
&& !STATE(FIXED_WING)
) {
if (isUsingSticksForArming()) {
if (throttleStatus == THROTTLE_LOW) {
if (armingConfig()->auto_disarm_delay != 0
&& (int32_t)(disarmAt - millis()) < 0
) {
// auto-disarm configured and delay is over
mwDisarm();
armedBeeperOn = false;
} else {
// still armed; do warning beeps while armed
beeper(BEEPER_ARMED);
armedBeeperOn = true;
}
} else {
// throttle is not low
if (armingConfig()->auto_disarm_delay != 0) {
// extend disarm time
disarmAt = millis() + armingConfig()->auto_disarm_delay * 1000;
}
if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
} else {
// arming is via AUX switch; beep while throttle low
if (throttleStatus == THROTTLE_LOW) {
beeper(BEEPER_ARMED);
armedBeeperOn = true;
} else if (armedBeeperOn) {
beeperSilence();
armedBeeperOn = false;
}
}
}
processRcStickPositions(rxConfig(), throttleStatus, armingConfig()->retarded_arm, armingConfig()->disarm_kill_switch);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
rcModeUpdateActivated(modeActivationProfile()->modeActivationConditions);
if (!cliMode) {
updateAdjustmentStates(adjustmentProfile()->adjustmentRanges);
processRcAdjustments(currentControlRateProfile, rxConfig());
}
bool canUseHorizonMode = true;
if ((rcModeIsActive(BOXANGLE) || (feature(FEATURE_FAILSAFE) && failsafeIsActive())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (rcModeIsActive(BOXHORIZON) && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef MAG
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (rcModeIsActive(BOXMAG)) {
if (!FLIGHT_MODE(MAG_MODE)) {
ENABLE_FLIGHT_MODE(MAG_MODE);
magHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw);
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
if (rcModeIsActive(BOXHEADFREE)) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (rcModeIsActive(BOXHEADADJ)) {
headFreeModeHold = DECIDEGREES_TO_DEGREES(attitude.values.yaw); // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (rcModeIsActive(BOXPASSTHRU)) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
if (mixerConfig()->mixerMode == MIXER_FLYING_WING || mixerConfig()->mixerMode == MIXER_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
if ((!telemetryConfig()->telemetry_switch && ARMING_FLAG(ARMED))
|| (telemetryConfig()->telemetry_switch && rcModeIsActive(BOXTELEMETRY))) {
releaseSharedTelemetryPorts();
} else {
// the telemetry state must be checked immediately so that shared serial ports are released.
bool telemetryStateChanged = telemetryCheckState();
if (telemetryStateChanged) {
mspSerialAllocatePorts();
}
}
}
#endif
#ifdef VTX
if (canUpdateVTX()) {
updateVTXState();
}
#endif
}
void processRcStickPositions(rxConfig_t *rxConfig, throttleStatus_e throttleStatus, bool retarded_arm, bool disarm_kill_switch)
{
static uint8_t rcDelayCommand; // this indicates the number of time (multiple of RC measurement at 50Hz) the sticks must be maintained to run or switch off motors
static uint8_t rcSticks; // this hold sticks position for command combos
uint8_t stTmp = 0;
int i;
// ------------------ STICKS COMMAND HANDLER --------------------
// checking sticks positions
for (i = 0; i < 4; i++) {
stTmp >>= 2;
if (rcData[i] > rxConfig->mincheck)
stTmp |= 0x80; // check for MIN
if (rcData[i] < rxConfig->maxcheck)
stTmp |= 0x40; // check for MAX
}
if (stTmp == rcSticks) {
if (rcDelayCommand < 250)
rcDelayCommand++;
} else
rcDelayCommand = 0;
rcSticks = stTmp;
// perform actions
if (!isUsingSticksToArm) {
if (IS_RC_MODE_ACTIVE(BOXARM)) {
// Arming via ARM BOX
if (throttleStatus == THROTTLE_LOW) {
if (ARMING_FLAG(OK_TO_ARM)) {
mwArm();
}
}
} else {
// Disarming via ARM BOX
if (ARMING_FLAG(ARMED) && rxIsReceivingSignal() && !failsafeIsActive() ) {
if (disarm_kill_switch) {
mwDisarm();
} else if (throttleStatus == THROTTLE_LOW) {
mwDisarm();
}
}
}
}
if (rcDelayCommand != 20) {
return;
}
if (isUsingSticksToArm) {
// Disarm on throttle down + yaw
if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_CE) {
if (ARMING_FLAG(ARMED))
mwDisarm();
else {
beeper(BEEPER_DISARM_REPEAT); // sound tone while stick held
rcDelayCommand = 0; // reset so disarm tone will repeat
}
}
// Disarm on roll (only when retarded_arm is enabled)
if (retarded_arm && (rcSticks == THR_LO + YAW_CE + PIT_CE + ROL_LO)) {
if (ARMING_FLAG(ARMED))
mwDisarm();
else {
beeper(BEEPER_DISARM_REPEAT); // sound tone while stick held
rcDelayCommand = 0; // reset so disarm tone will repeat
}
}
}
if (ARMING_FLAG(ARMED)) {
// actions during armed
return;
}
// actions during not armed
i = 0;
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_CE) {
// GYRO calibration
gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
#ifdef GPS
if (feature(FEATURE_GPS)) {
GPS_reset_home_position();
}
#endif
#ifdef BARO
if (sensors(SENSOR_BARO))
baroSetCalibrationCycles(10); // calibrate baro to new ground level (10 * 25 ms = ~250 ms non blocking)
#endif
if (!sensors(SENSOR_MAG))
heading = 0; // reset heading to zero after gyro calibration
return;
}
if (feature(FEATURE_INFLIGHT_ACC_CAL) && (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_HI)) {
// Inflight ACC Calibration
handleInflightCalibrationStickPosition();
return;
}
// Multiple configuration profiles
if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_LO) // ROLL left -> Profile 1
i = 1;
else if (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_CE) // PITCH up -> Profile 2
i = 2;
else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_HI) // ROLL right -> Profile 3
i = 3;
if (i) {
changeProfile(i - 1);
return;
}
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_HI) {
saveConfigAndNotify();
}
if (isUsingSticksToArm) {
if (rcSticks == THR_LO + YAW_HI + PIT_CE + ROL_CE) {
// Arm via YAW
mwArm();
return;
}
if (retarded_arm && (rcSticks == THR_LO + YAW_CE + PIT_CE + ROL_HI)) {
// Arm via ROLL
mwArm();
return;
}
}
if (rcSticks == THR_HI + YAW_LO + PIT_LO + ROL_CE) {
// Calibrating Acc
accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
return;
}
if (rcSticks == THR_HI + YAW_HI + PIT_LO + ROL_CE) {
// Calibrating Mag
ENABLE_STATE(CALIBRATE_MAG);
return;
}
// Accelerometer Trim
rollAndPitchTrims_t accelerometerTrimsDelta;
memset(&accelerometerTrimsDelta, 0, sizeof(accelerometerTrimsDelta));
bool shouldApplyRollAndPitchTrimDelta = false;
if (rcSticks == THR_HI + YAW_CE + PIT_HI + ROL_CE) {
accelerometerTrimsDelta.values.pitch = 2;
shouldApplyRollAndPitchTrimDelta = true;
} else if (rcSticks == THR_HI + YAW_CE + PIT_LO + ROL_CE) {
accelerometerTrimsDelta.values.pitch = -2;
shouldApplyRollAndPitchTrimDelta = true;
} else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_HI) {
accelerometerTrimsDelta.values.roll = 2;
shouldApplyRollAndPitchTrimDelta = true;
} else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_LO) {
accelerometerTrimsDelta.values.roll = -2;
shouldApplyRollAndPitchTrimDelta = true;
}
if (shouldApplyRollAndPitchTrimDelta) {
applyAndSaveAccelerometerTrimsDelta(&accelerometerTrimsDelta);
rcDelayCommand = 0; // allow autorepetition
return;
}
#ifdef DISPLAY
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_LO) {
displayDisablePageCycling();
}
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_HI) {
displayEnablePageCycling();
}
#endif
}
void loop(void)
{
static uint8_t rcDelayCommand; // this indicates the number of time (multiple of RC measurement at 50Hz) the sticks must be maintained to run or switch off motors
static uint8_t rcSticks; // this hold sticks position for command combos
uint8_t stTmp = 0;
uint8_t axis, i;
int16_t error, errorAngle;
int16_t PTerm, ITerm, PTermACC, ITermACC = 0, PTermGYRO = 0, ITermGYRO = 0, DTerm;
static int16_t errorGyroI[3] = { 0, 0, 0 };
static int16_t errorAngleI[2] = { 0, 0 };
int16_t delta;
static int16_t lastGyro[3] = { 0, 0, 0 };
static int16_t delta1[3], delta2[3];
int16_t deltaSum;
static uint32_t rcTime = 0;
static int16_t initialThrottleHold;
static uint32_t loopTime;
uint16_t auxState = 0;
int16_t prop;
static uint8_t GPSNavReset = 1;
// this will return false if spektrum is disabled. shrug.
if (spektrumFrameComplete())
computeRC();
if ((int32_t)(currentTime - rcTime) >= 0) { // 50Hz
rcTime = currentTime + 20000;
// TODO clean this up. computeRC should handle this check
if (!feature(FEATURE_SPEKTRUM))
computeRC();
if (feature(FEATURE_GPS) && mcfg.gps_type == GPS_I2C)
GPS_NewData('c');
// Failsafe routine
if (feature(FEATURE_FAILSAFE)) {
if (failsafeCnt > (5 * cfg.failsafe_delay) && f.ARMED) { // Stabilize, and set Throttle to specified level
for (i = 0; i < 3; i++)
rcData[i] = mcfg.midrc; // after specified guard time after RC signal is lost (in 0.1sec)
rcData[THROTTLE] = cfg.failsafe_throttle;
if (failsafeCnt > 5 * (cfg.failsafe_delay + cfg.failsafe_off_delay)) { // Turn OFF motors after specified Time (in 0.1sec)
mwDisarm(); // This will prevent the copter to automatically rearm if failsafe shuts it down and prevents
f.OK_TO_ARM = 0; // to restart accidentely by just reconnect to the tx - you will have to switch off first to rearm
}
failsafeEvents++;
}
if (failsafeCnt > (5 * cfg.failsafe_delay) && !f.ARMED) { // Turn off "Ok To arm to prevent the motors from spinning after repowering the RX with low throttle and aux to arm
mwDisarm(); // This will prevent the copter to automatically rearm if failsafe shuts it down and prevents
f.OK_TO_ARM = 0; // to restart accidentely by just reconnect to the tx - you will have to switch off first to rearm
}
failsafeCnt++;
}
// end of failsafe routine - next change is made with RcOptions setting
// ------------------ STICKS COMMAND HANDLER --------------------
// checking sticks positions
for (i = 0; i < 4; i++) {
stTmp >>= 2;
if (rcData[i] > mcfg.mincheck)
stTmp |= 0x80; // check for MIN
if (rcData[i] < mcfg.maxcheck)
stTmp |= 0x40; // check for MAX
}
if (stTmp == rcSticks) {
if (rcDelayCommand < 250)
rcDelayCommand++;
} else
rcDelayCommand = 0;
rcSticks = stTmp;
// perform actions
if (rcData[THROTTLE] < mcfg.mincheck) {
errorGyroI[ROLL] = 0;
errorGyroI[PITCH] = 0;
errorGyroI[YAW] = 0;
errorAngleI[ROLL] = 0;
errorAngleI[PITCH] = 0;
if (cfg.activate[BOXARM] > 0) { // Arming/Disarming via ARM BOX
if (rcOptions[BOXARM] && f.OK_TO_ARM)
mwArm();
else if (f.ARMED)
mwDisarm();
}
}
if (rcDelayCommand == 20) {
if (f.ARMED) { // actions during armed
// Disarm on throttle down + yaw
if (cfg.activate[BOXARM] == 0 && (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_CE))
mwDisarm();
// Disarm on roll (only when retarded_arm is enabled)
if (mcfg.retarded_arm && cfg.activate[BOXARM] == 0 && (rcSticks == THR_LO + YAW_CE + PIT_CE + ROL_LO))
mwDisarm();
} else { // actions during not armed
i = 0;
// GYRO calibration
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_CE) {
calibratingG = 1000;
if (feature(FEATURE_GPS))
GPS_reset_home_position();
if (sensors(SENSOR_BARO))
calibratingB = 10; // calibrate baro to new ground level (10 * 25 ms = ~250 ms non blocking)
// Inflight ACC Calibration
} else if (feature(FEATURE_INFLIGHT_ACC_CAL) && (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_HI)) {
if (AccInflightCalibrationMeasurementDone) { // trigger saving into eeprom after landing
AccInflightCalibrationMeasurementDone = 0;
AccInflightCalibrationSavetoEEProm = 1;
} else {
AccInflightCalibrationArmed = !AccInflightCalibrationArmed;
if (AccInflightCalibrationArmed) {
toggleBeep = 2;
} else {
toggleBeep = 3;
}
}
}
// Multiple configuration profiles
if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_LO) // ROLL left -> Profile 1
i = 1;
else if (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_CE) // PITCH up -> Profile 2
i = 2;
else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_HI) // ROLL right -> Profile 3
i = 3;
if (i) {
mcfg.current_profile = i - 1;
writeEEPROM(0, false);
blinkLED(2, 40, i);
// TODO alarmArray[0] = i;
}
// Arm via YAW
if (cfg.activate[BOXARM] == 0 && (rcSticks == THR_LO + YAW_HI + PIT_CE + ROL_CE))
mwArm();
// Arm via ROLL
else if (mcfg.retarded_arm && cfg.activate[BOXARM] == 0 && (rcSticks == THR_LO + YAW_CE + PIT_CE + ROL_HI))
mwArm();
// Calibrating Acc
else if (rcSticks == THR_HI + YAW_LO + PIT_LO + ROL_CE)
calibratingA = 400;
// Calibrating Mag
else if (rcSticks == THR_HI + YAW_HI + PIT_LO + ROL_CE)
f.CALIBRATE_MAG = 1;
i = 0;
// Acc Trim
if (rcSticks == THR_HI + YAW_CE + PIT_HI + ROL_CE) {
cfg.angleTrim[PITCH] += 2;
i = 1;
} else if (rcSticks == THR_HI + YAW_CE + PIT_LO + ROL_CE) {
cfg.angleTrim[PITCH] -= 2;
i = 1;
} else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_HI) {
cfg.angleTrim[ROLL] += 2;
i = 1;
} else if (rcSticks == THR_HI + YAW_CE + PIT_CE + ROL_LO) {
cfg.angleTrim[ROLL] -= 2;
i = 1;
}
if (i) {
writeEEPROM(1, false);
rcDelayCommand = 0; // allow autorepetition
}
}
}
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
if (AccInflightCalibrationArmed && f.ARMED && rcData[THROTTLE] > mcfg.mincheck && !rcOptions[BOXARM]) { // Copter is airborne and you are turning it off via boxarm : start measurement
InflightcalibratingA = 50;
AccInflightCalibrationArmed = 0;
}
if (rcOptions[BOXCALIB]) { // Use the Calib Option to activate : Calib = TRUE Meausrement started, Land and Calib = 0 measurement stored
if (!AccInflightCalibrationActive && !AccInflightCalibrationMeasurementDone)
InflightcalibratingA = 50;
} else if (AccInflightCalibrationMeasurementDone && !f.ARMED) {
AccInflightCalibrationMeasurementDone = 0;
AccInflightCalibrationSavetoEEProm = 1;
}
}
// Check AUX switches
for (i = 0; i < 4; i++)
auxState |= (rcData[AUX1 + i] < 1300) << (3 * i) | (1300 < rcData[AUX1 + i] && rcData[AUX1 + i] < 1700) << (3 * i + 1) | (rcData[AUX1 + i] > 1700) << (3 * i + 2);
for (i = 0; i < CHECKBOXITEMS; i++)
rcOptions[i] = (auxState & cfg.activate[i]) > 0;
// note: if FAILSAFE is disable, failsafeCnt > 5 * FAILSAVE_DELAY is always false
if ((rcOptions[BOXANGLE] || (failsafeCnt > 5 * cfg.failsafe_delay)) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
if (!f.ANGLE_MODE) {
errorAngleI[ROLL] = 0;
errorAngleI[PITCH] = 0;
f.ANGLE_MODE = 1;
}
} else {
f.ANGLE_MODE = 0; // failsave support
}
if (rcOptions[BOXHORIZON]) {
f.ANGLE_MODE = 0;
if (!f.HORIZON_MODE) {
errorAngleI[ROLL] = 0;
errorAngleI[PITCH] = 0;
f.HORIZON_MODE = 1;
}
} else {
f.HORIZON_MODE = 0;
}
if ((rcOptions[BOXARM]) == 0)
f.OK_TO_ARM = 1;
if (f.ANGLE_MODE || f.HORIZON_MODE) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef BARO
if (sensors(SENSOR_BARO)) {
// Baro alt hold activate
if (rcOptions[BOXBARO]) {
if (!f.BARO_MODE) {
f.BARO_MODE = 1;
AltHold = EstAlt;
initialThrottleHold = rcCommand[THROTTLE];
errorAltitudeI = 0;
BaroPID = 0;
}
} else {
f.BARO_MODE = 0;
}
// Vario signalling activate
if (feature(FEATURE_VARIO)) {
if (rcOptions[BOXVARIO]) {
if (!f.VARIO_MODE) {
f.VARIO_MODE = 1;
}
} else {
f.VARIO_MODE = 0;
}
}
}
#endif
#ifdef MAG
if (sensors(SENSOR_MAG)) {
if (rcOptions[BOXMAG]) {
if (!f.MAG_MODE) {
f.MAG_MODE = 1;
magHold = heading;
}
} else {
f.MAG_MODE = 0;
}
if (rcOptions[BOXHEADFREE]) {
if (!f.HEADFREE_MODE) {
f.HEADFREE_MODE = 1;
}
} else {
f.HEADFREE_MODE = 0;
}
if (rcOptions[BOXHEADADJ]) {
headFreeModeHold = heading; // acquire new heading
}
}
#endif
if (sensors(SENSOR_GPS)) {
if (f.GPS_FIX && GPS_numSat >= 5) {
// if both GPS_HOME & GPS_HOLD are checked => GPS_HOME is the priority
if (rcOptions[BOXGPSHOME]) {
if (!f.GPS_HOME_MODE) {
f.GPS_HOME_MODE = 1;
f.GPS_HOLD_MODE = 0;
GPSNavReset = 0;
GPS_set_next_wp(&GPS_home[LAT], &GPS_home[LON]);
nav_mode = NAV_MODE_WP;
}
} else {
f.GPS_HOME_MODE = 0;
if (rcOptions[BOXGPSHOLD] && abs(rcCommand[ROLL]) < cfg.ap_mode && abs(rcCommand[PITCH]) < cfg.ap_mode) {
if (!f.GPS_HOLD_MODE) {
f.GPS_HOLD_MODE = 1;
GPSNavReset = 0;
GPS_hold[LAT] = GPS_coord[LAT];
GPS_hold[LON] = GPS_coord[LON];
GPS_set_next_wp(&GPS_hold[LAT], &GPS_hold[LON]);
nav_mode = NAV_MODE_POSHOLD;
}
} else {
f.GPS_HOLD_MODE = 0;
// both boxes are unselected here, nav is reset if not already done
if (GPSNavReset == 0) {
GPSNavReset = 1;
GPS_reset_nav();
}
}
}
} else {
f.GPS_HOME_MODE = 0;
f.GPS_HOLD_MODE = 0;
nav_mode = NAV_MODE_NONE;
}
}
if (rcOptions[BOXPASSTHRU]) {
f.PASSTHRU_MODE = 1;
} else {
f.PASSTHRU_MODE = 0;
}
if (mcfg.mixerConfiguration == MULTITYPE_FLYING_WING || mcfg.mixerConfiguration == MULTITYPE_AIRPLANE) {
f.HEADFREE_MODE = 0;
}
} else { // not in rc loop
void processRx(void)
{
calculateRxChannelsAndUpdateFailsafe(currentTime);
// in 3D mode, we need to be able to disarm by switch at any time
if (feature(FEATURE_3D)) {
if (!rcOptions[BOXARM])
mwDisarm();
}
updateRSSI(currentTime);
if (feature(FEATURE_FAILSAFE)) {
if (currentTime > FAILSAFE_POWER_ON_DELAY_US && !failsafe->vTable->isEnabled()) {
failsafe->vTable->enable();
}
failsafe->vTable->updateState();
}
throttleStatus_e throttleStatus = calculateThrottleStatus(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
if (throttleStatus == THROTTLE_LOW) {
resetErrorAngle();
resetErrorGyro();
}
processRcStickPositions(&masterConfig.rxConfig, throttleStatus, currentProfile->activate, masterConfig.retarded_arm, masterConfig.disarm_kill_switch);
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
updateRcOptions(currentProfile->activate);
bool canUseHorizonMode = true;
if ((rcOptions[BOXANGLE] || (feature(FEATURE_FAILSAFE) && failsafe->vTable->hasTimerElapsed())) && (sensors(SENSOR_ACC))) {
// bumpless transfer to Level mode
canUseHorizonMode = false;
if (!FLIGHT_MODE(ANGLE_MODE)) {
resetErrorAngle();
ENABLE_FLIGHT_MODE(ANGLE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(ANGLE_MODE); // failsafe support
}
if (rcOptions[BOXHORIZON] && canUseHorizonMode) {
DISABLE_FLIGHT_MODE(ANGLE_MODE);
if (!FLIGHT_MODE(HORIZON_MODE)) {
resetErrorAngle();
ENABLE_FLIGHT_MODE(HORIZON_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HORIZON_MODE);
}
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
} else {
LED1_OFF;
}
#ifdef MAG
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
if (rcOptions[BOXMAG]) {
if (!FLIGHT_MODE(MAG_MODE)) {
ENABLE_FLIGHT_MODE(MAG_MODE);
magHold = heading;
}
} else {
DISABLE_FLIGHT_MODE(MAG_MODE);
}
if (rcOptions[BOXHEADFREE]) {
if (!FLIGHT_MODE(HEADFREE_MODE)) {
ENABLE_FLIGHT_MODE(HEADFREE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
if (rcOptions[BOXHEADADJ]) {
headFreeModeHold = heading; // acquire new heading
}
}
#endif
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsWaypointsAndMode();
}
#endif
if (rcOptions[BOXPASSTHRU]) {
ENABLE_FLIGHT_MODE(PASSTHRU_MODE);
} else {
DISABLE_FLIGHT_MODE(PASSTHRU_MODE);
}
if (masterConfig.mixerConfiguration == MULTITYPE_FLYING_WING || masterConfig.mixerConfiguration == MULTITYPE_AIRPLANE) {
DISABLE_FLIGHT_MODE(HEADFREE_MODE);
}
}
