void taskPid(void)
{
gyroReadyCounter = 0;
static uint32_t previousPidUpdateTime;
pidDeltaUs = currentTime - previousPidUpdateTime;
previousPidUpdateTime = currentTime;
if (debugMode == DEBUG_PIDLOOP) {
debug[0] = pidDeltaUs;
}
subTaskPidController();
subTaskMotorUpdate();
subTaskMainSubprocesses();
if (debugMode == DEBUG_GYRO_SYNC) {
debug[2] = pidDeltaUs;
debug[3]++;
}
#ifdef VTX
if (canUpdateVTX()) {
handleVTXControlButton();
}
#endif
}
void init(void)
{
drv_pwm_config_t pwm_params;
printfSupportInit();
initEEPROM();
ensureEEPROMContainsValidData();
readEEPROM();
systemState |= SYSTEM_STATE_CONFIG_LOADED;
#ifdef STM32F303
// start fpu
SCB->CPACR = (0x3 << (10*2)) | (0x3 << (11*2));
#endif
#ifdef STM32F303xC
SetSysClock();
#endif
#ifdef STM32F10X
// Configure the System clock frequency, HCLK, PCLK2 and PCLK1 prescalers
// Configure the Flash Latency cycles and enable prefetch buffer
SetSysClock(systemConfig()->emf_avoidance);
#endif
i2cSetOverclock(systemConfig()->i2c_highspeed);
systemInit();
#ifdef USE_HARDWARE_REVISION_DETECTION
detectHardwareRevision();
#endif
// Latch active features to be used for feature() in the remainder of init().
latchActiveFeatures();
// initialize IO (needed for all IO operations)
IOInitGlobal();
debugMode = debugConfig()->debug_mode;
#ifdef USE_EXTI
EXTIInit();
#endif
#ifdef ALIENFLIGHTF3
if (hardwareRevision == AFF3_REV_1) {
ledInit(false);
} else {
ledInit(true);
}
#else
ledInit(false);
#endif
#ifdef BEEPER
beeperConfig_t beeperConfig = {
.gpioPeripheral = BEEP_PERIPHERAL,
.gpioPin = BEEP_PIN,
.gpioPort = BEEP_GPIO,
#ifdef BEEPER_INVERTED
.gpioMode = Mode_Out_PP,
.isInverted = true
#else
.gpioMode = Mode_Out_OD,
.isInverted = false
#endif
};
#ifdef NAZE
if (hardwareRevision >= NAZE32_REV5) {
// naze rev4 and below used opendrain to PNP for buzzer. Rev5 and above use PP to NPN.
beeperConfig.gpioMode = Mode_Out_PP;
beeperConfig.isInverted = true;
}
#endif
beeperInit(&beeperConfig);
#endif
#ifdef BUTTONS
buttonsInit();
if (!isMPUSoftReset()) {
buttonsHandleColdBootButtonPresses();
}
#endif
#ifdef SPEKTRUM_BIND
if (feature(FEATURE_RX_SERIAL)) {
switch (rxConfig()->serialrx_provider) {
case SERIALRX_SPEKTRUM1024:
case SERIALRX_SPEKTRUM2048:
// Spektrum satellite binding if enabled on startup.
// Must be called before that 100ms sleep so that we don't lose satellite's binding window after startup.
// The rest of Spektrum initialization will happen later - via spektrumInit()
spektrumBind(rxConfig());
break;
}
}
#endif
#ifdef VTX
// This must be done early to ensure that the VTX does not power up. We do not fully initialise the VTX at this stage
// because it takes some time - we don't want to delay other time critical initialisation.
vtxIOInit();
#endif
delay(100);
timerInit(); // timer must be initialized before any channel is allocated
dmaInit();
serialInit(feature(FEATURE_SOFTSERIAL));
mixerInit(customMotorMixer(0));
#ifdef USE_SERVOS
mixerInitServos(customServoMixer(0));
#endif
memset(&pwm_params, 0, sizeof(pwm_params));
#ifdef SONAR
const sonarHardware_t *sonarHardware = NULL;
sonarGPIOConfig_t sonarGPIOConfig;
if (feature(FEATURE_SONAR)) {
bool usingCurrentMeterIOPins = (feature(FEATURE_AMPERAGE_METER) && batteryConfig()->amperageMeterSource == AMPERAGE_METER_ADC);
sonarHardware = sonarGetHardwareConfiguration(usingCurrentMeterIOPins);
sonarGPIOConfig.triggerGPIO = sonarHardware->trigger_gpio;
sonarGPIOConfig.triggerPin = sonarHardware->trigger_pin;
sonarGPIOConfig.echoGPIO = sonarHardware->echo_gpio;
sonarGPIOConfig.echoPin = sonarHardware->echo_pin;
pwm_params.sonarGPIOConfig = &sonarGPIOConfig;
}
#endif
// when using airplane/wing mixer, servo/motor outputs are remapped
if (mixerConfig()->mixerMode == MIXER_AIRPLANE || mixerConfig()->mixerMode == MIXER_FLYING_WING || mixerConfig()->mixerMode == MIXER_CUSTOM_AIRPLANE)
pwm_params.airplane = true;
else
pwm_params.airplane = false;
#if defined(USE_UART2) && defined(STM32F10X)
pwm_params.useUART2 = doesConfigurationUsePort(SERIAL_PORT_UART2);
#endif
#if defined(USE_UART3)
pwm_params.useUART3 = doesConfigurationUsePort(SERIAL_PORT_UART3);
#endif
#if defined(USE_UART4)
pwm_params.useUART4 = doesConfigurationUsePort(SERIAL_PORT_UART4);
#endif
#if defined(USE_UART5)
pwm_params.useUART5 = doesConfigurationUsePort(SERIAL_PORT_UART5);
#endif
pwm_params.useVbat = feature(FEATURE_VBAT);
pwm_params.useSoftSerial = feature(FEATURE_SOFTSERIAL);
pwm_params.useParallelPWM = feature(FEATURE_RX_PARALLEL_PWM);
pwm_params.useRSSIADC = feature(FEATURE_RSSI_ADC);
pwm_params.useCurrentMeterADC = (
feature(FEATURE_AMPERAGE_METER)
&& batteryConfig()->amperageMeterSource == AMPERAGE_METER_ADC
);
pwm_params.useLEDStrip = feature(FEATURE_LED_STRIP);
pwm_params.usePPM = feature(FEATURE_RX_PPM);
pwm_params.useSerialRx = feature(FEATURE_RX_SERIAL);
#ifdef SONAR
pwm_params.useSonar = feature(FEATURE_SONAR);
#endif
#ifdef USE_SERVOS
pwm_params.useServos = isMixerUsingServos();
pwm_params.useChannelForwarding = feature(FEATURE_CHANNEL_FORWARDING);
pwm_params.servoCenterPulse = servoConfig()->servoCenterPulse;
pwm_params.servoPwmRate = servoConfig()->servo_pwm_rate;
#endif
pwm_params.useOneshot = feature(FEATURE_ONESHOT125);
pwm_params.motorPwmRate = motorConfig()->motor_pwm_rate;
pwm_params.idlePulse = calculateMotorOff();
if (pwm_params.motorPwmRate > 500)
pwm_params.idlePulse = 0; // brushed motors
pwmRxInit();
// pwmInit() needs to be called as soon as possible for ESC compatibility reasons
pwmIOConfiguration_t *pwmIOConfiguration = pwmInit(&pwm_params);
mixerUsePWMIOConfiguration(pwmIOConfiguration);
#ifdef DEBUG_PWM_CONFIGURATION
debug[2] = pwmIOConfiguration->pwmInputCount;
debug[3] = pwmIOConfiguration->ppmInputCount;
#endif
if (!feature(FEATURE_ONESHOT125))
motorControlEnable = true;
systemState |= SYSTEM_STATE_MOTORS_READY;
#ifdef INVERTER
initInverter();
#endif
#ifdef USE_SPI
spiInit(SPI1);
spiInit(SPI2);
#ifdef STM32F303xC
#ifdef ALIENFLIGHTF3
if (hardwareRevision == AFF3_REV_2) {
spiInit(SPI3);
}
#else
spiInit(SPI3);
#endif
#endif
#endif
#ifdef USE_HARDWARE_REVISION_DETECTION
updateHardwareRevision();
#endif
#ifdef VTX
while (!canUpdateVTX()) {};
vtxInit();
#endif
#if defined(NAZE)
if (hardwareRevision == NAZE32_SP) {
serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
} else {
serialRemovePort(SERIAL_PORT_UART3);
}
#endif
#if defined(SPRACINGF3) && defined(SONAR) && defined(USE_SOFTSERIAL2)
if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
serialRemovePort(SERIAL_PORT_SOFTSERIAL2);
}
#endif
#if defined(SPRACINGF3MINI) && defined(SONAR) && defined(USE_SOFTSERIAL1)
if (feature(FEATURE_SONAR) && feature(FEATURE_SOFTSERIAL)) {
serialRemovePort(SERIAL_PORT_SOFTSERIAL1);
}
#endif
#ifdef USE_I2C
#if defined(NAZE)
if (hardwareRevision != NAZE32_SP) {
i2cInit(I2C_DEVICE);
} else {
if (!doesConfigurationUsePort(SERIAL_PORT_UART3)) {
i2cInit(I2C_DEVICE);
}
}
#elif defined(CC3D)
if (!doesConfigurationUsePort(SERIAL_PORT_UART3)) {
i2cInit(I2C_DEVICE);
}
#else
i2cInit(I2C_DEVICE);
#endif
#endif
#ifdef USE_ADC
drv_adc_config_t adc_params;
adc_params.channelMask = 0;
#ifdef ADC_BATTERY
adc_params.channelMask = (feature(FEATURE_VBAT) ? ADC_CHANNEL_MASK(ADC_BATTERY) : 0);
#endif
#ifdef ADC_RSSI
adc_params.channelMask |= (feature(FEATURE_RSSI_ADC) ? ADC_CHANNEL_MASK(ADC_RSSI) : 0);
#endif
#ifdef ADC_AMPERAGE
adc_params.channelMask |= (feature(FEATURE_AMPERAGE_METER) ? ADC_CHANNEL_MASK(ADC_AMPERAGE) : 0);
#endif
#ifdef ADC_POWER_12V
adc_params.channelMask |= ADC_CHANNEL_MASK(ADC_POWER_12V);
#endif
#ifdef ADC_POWER_5V
adc_params.channelMask |= ADC_CHANNEL_MASK(ADC_POWER_5V);
#endif
#ifdef ADC_POWER_3V
adc_params.channelMask |= ADC_CHANNEL_MASK(ADC_POWER_3V);
#endif
#ifdef NAZE
// optional ADC5 input on rev.5 hardware
adc_params.channelMask |= (hardwareRevision >= NAZE32_REV5) ? ADC_CHANNEL_MASK(ADC_EXTERNAL) : 0;
#endif
adcInit(&adc_params);
#endif
initBoardAlignment();
#ifdef DISPLAY
if (feature(FEATURE_DISPLAY)) {
displayInit();
}
#endif
#ifdef NAZE
if (hardwareRevision < NAZE32_REV5) {
gyroConfig()->gyro_sync = 0;
}
#endif
if (!sensorsAutodetect()) {
// if gyro was not detected due to whatever reason, we give up now.
failureMode(FAILURE_MISSING_ACC);
}
systemState |= SYSTEM_STATE_SENSORS_READY;
flashLedsAndBeep();
mspInit();
mspSerialInit();
const uint16_t pidPeriodUs = US_FROM_HZ(gyro.sampleFrequencyHz);
pidSetTargetLooptime(pidPeriodUs * gyroConfig()->pid_process_denom);
pidInitFilters(pidProfile());
#ifdef USE_SERVOS
mixerInitialiseServoFiltering(targetPidLooptime);
#endif
imuInit();
#ifdef USE_CLI
cliInit();
#endif
failsafeInit();
rxInit(modeActivationProfile()->modeActivationConditions);
#ifdef GPS
if (feature(FEATURE_GPS)) {
gpsInit();
navigationInit(pidProfile());
}
#endif
#ifdef SONAR
if (feature(FEATURE_SONAR)) {
sonarInit(sonarHardware);
}
#endif
#ifdef LED_STRIP
ledStripInit();
if (feature(FEATURE_LED_STRIP)) {
ledStripEnable();
}
#endif
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
telemetryInit();
}
#endif
#ifdef USB_CABLE_DETECTION
usbCableDetectInit();
#endif
#ifdef TRANSPONDER
if (feature(FEATURE_TRANSPONDER)) {
transponderInit(transponderConfig()->data);
transponderEnable();
transponderStartRepeating();
systemState |= SYSTEM_STATE_TRANSPONDER_ENABLED;
}
#endif
#ifdef USE_FLASHFS
#ifdef NAZE
if (hardwareRevision == NAZE32_REV5) {
m25p16_init();
}
#elif defined(USE_FLASH_M25P16)
m25p16_init();
#endif
flashfsInit();
#endif
#ifdef USE_SDCARD
bool sdcardUseDMA = false;
sdcardInsertionDetectInit();
#ifdef SDCARD_DMA_CHANNEL_TX
#if defined(LED_STRIP) && defined(WS2811_DMA_CHANNEL)
// Ensure the SPI Tx DMA doesn't overlap with the led strip
sdcardUseDMA = !feature(FEATURE_LED_STRIP) || SDCARD_DMA_CHANNEL_TX != WS2811_DMA_CHANNEL;
#else
sdcardUseDMA = true;
#endif
#endif
sdcard_init(sdcardUseDMA);
afatfs_init();
#endif
#ifdef BLACKBOX
initBlackbox();
#endif
if (mixerConfig()->mixerMode == MIXER_GIMBAL) {
accSetCalibrationCycles(CALIBRATING_ACC_CYCLES);
}
gyroSetCalibrationCycles(CALIBRATING_GYRO_CYCLES);
#ifdef BARO
baroSetCalibrationCycles(CALIBRATING_BARO_CYCLES);
#endif
#ifdef OSD
if (feature(FEATURE_OSD)) {
osdInit();
}
#endif
// start all timers
// TODO - not implemented yet
timerStart();
ENABLE_STATE(SMALL_ANGLE);
DISABLE_ARMING_FLAG(PREVENT_ARMING);
#ifdef SOFTSERIAL_LOOPBACK
// FIXME this is a hack, perhaps add a FUNCTION_LOOPBACK to support it properly
loopbackPort = (serialPort_t*)&(softSerialPorts[0]);
if (!loopbackPort->vTable) {
loopbackPort = openSoftSerial(0, NULL, 19200, SERIAL_NOT_INVERTED);
}
serialPrint(loopbackPort, "LOOPBACK\r\n");
#endif
if (feature(FEATURE_VBAT)) {
// Now that everything has powered up the voltage and cell count be determined.
voltageMeterInit();
batteryInit();
}
if (feature(FEATURE_AMPERAGE_METER)) {
amperageMeterInit();
}
#ifdef DISPLAY
if (feature(FEATURE_DISPLAY)) {
#ifdef USE_OLED_GPS_DEBUG_PAGE_ONLY
displayShowFixedPage(PAGE_GPS);
#else
displayResetPageCycling();
displayEnablePageCycling();
#endif
}
#endif
#ifdef CJMCU
LED2_ON;
#endif
// Latch active features AGAIN since some may be modified by init().
latchActiveFeatures();
motorControlEnable = true;
systemState |= SYSTEM_STATE_READY;
}
#ifdef SOFTSERIAL_LOOPBACK
void processLoopback(void) {
if (loopbackPort) {
uint8_t bytesWaiting;
while ((bytesWaiting = serialRxBytesWaiting(loopbackPort))) {
uint8_t b = serialRead(loopbackPort);
serialWrite(loopbackPort, b);
};
}
}
#else
#define processLoopback()
#endif
void configureScheduler(void)
{
schedulerInit();
setTaskEnabled(TASK_SYSTEM, true);
uint16_t gyroPeriodUs = US_FROM_HZ(gyro.sampleFrequencyHz);
rescheduleTask(TASK_GYRO, gyroPeriodUs);
setTaskEnabled(TASK_GYRO, true);
rescheduleTask(TASK_PID, gyroPeriodUs);
setTaskEnabled(TASK_PID, true);
if (sensors(SENSOR_ACC)) {
setTaskEnabled(TASK_ACCEL, true);
accSamplingInterval = 1000;
rescheduleTask(TASK_ACCEL, accSamplingInterval);
}
setTaskEnabled(TASK_ATTITUDE, sensors(SENSOR_ACC));
setTaskEnabled(TASK_SERIAL, true);
setTaskEnabled(TASK_HARDWARE_WATCHDOG, true);
#ifdef BEEPER
setTaskEnabled(TASK_BEEPER, true);
#endif
setTaskEnabled(TASK_BATTERY, feature(FEATURE_VBAT) || feature(FEATURE_AMPERAGE_METER));
setTaskEnabled(TASK_RX, true);
#ifdef GPS
setTaskEnabled(TASK_GPS, feature(FEATURE_GPS));
#endif
#ifdef MAG
setTaskEnabled(TASK_COMPASS, sensors(SENSOR_MAG));
#if defined(MPU6500_SPI_INSTANCE) && defined(USE_MAG_AK8963)
// fixme temporary solution for AK6983 via slave I2C on MPU9250
rescheduleTask(TASK_COMPASS, 1000000 / 40);
#endif
#endif
#ifdef BARO
setTaskEnabled(TASK_BARO, sensors(SENSOR_BARO));
#endif
#ifdef SONAR
setTaskEnabled(TASK_SONAR, sensors(SENSOR_SONAR));
#endif
#if defined(BARO) || defined(SONAR)
setTaskEnabled(TASK_ALTITUDE, sensors(SENSOR_BARO) || sensors(SENSOR_SONAR));
#endif
#ifdef DISPLAY
setTaskEnabled(TASK_DISPLAY, feature(FEATURE_DISPLAY));
#endif
#ifdef TELEMETRY
setTaskEnabled(TASK_TELEMETRY, feature(FEATURE_TELEMETRY));
#endif
#ifdef LED_STRIP
setTaskEnabled(TASK_LEDSTRIP, feature(FEATURE_LED_STRIP));
#endif
#ifdef TRANSPONDER
setTaskEnabled(TASK_TRANSPONDER, feature(FEATURE_TRANSPONDER));
#endif
#ifdef OSD
setTaskEnabled(TASK_DRAW_SCREEN, feature(FEATURE_OSD));
#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
}
/*
* processRx called from taskUpdateRxMain
*/
bool processRx(timeUs_t currentTimeUs)
{
static bool armedBeeperOn = false;
if (!calculateRxChannelsAndUpdateFailsafe(currentTimeUs)) {
return false;
}
// 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))
disarm();
}
updateRSSI(currentTimeUs);
if (currentTimeUs > FAILSAFE_POWER_ON_DELAY_US && !failsafeIsMonitoring()) {
failsafeStartMonitoring();
}
failsafeUpdateState();
const throttleStatus_e throttleStatus = calculateThrottleStatus();
const uint8_t throttlePercent = calculateThrottlePercent();
if (isAirmodeActive() && ARMING_FLAG(ARMED)) {
if (throttlePercent >= 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) {
pidResetITerm();
if (currentPidProfile->pidAtMinThrottle)
pidStabilisationState(PID_STABILISATION_ON);
else
pidStabilisationState(PID_STABILISATION_OFF);
} else {
pidStabilisationState(PID_STABILISATION_ON);
}
#ifdef USE_RUNAWAY_TAKEOFF
// If runaway_takeoff_prevention is enabled, accumulate the amount of time that throttle
// is above runaway_takeoff_deactivate_throttle with the any of the R/P/Y sticks deflected
// to at least runaway_takeoff_stick_percent percent while the pidSum on all axis is kept low.
// Once the amount of accumulated time exceeds runaway_takeoff_deactivate_delay then disable
// prevention for the remainder of the battery.
if (ARMING_FLAG(ARMED)
&& pidConfig()->runaway_takeoff_prevention
&& !runawayTakeoffCheckDisabled
&& !flipOverAfterCrashMode
&& !runawayTakeoffTemporarilyDisabled
&& !STATE(FIXED_WING)) {
// Determine if we're in "flight"
// - motors running
// - throttle over runaway_takeoff_deactivate_throttle_percent
// - sticks are active and have deflection greater than runaway_takeoff_deactivate_stick_percent
// - pidSum on all axis is less then runaway_takeoff_deactivate_pidlimit
bool inStableFlight = false;
if (!feature(FEATURE_MOTOR_STOP) || isAirmodeActive() || (throttleStatus != THROTTLE_LOW)) { // are motors running?
const uint8_t lowThrottleLimit = pidConfig()->runaway_takeoff_deactivate_throttle;
const uint8_t midThrottleLimit = constrain(lowThrottleLimit * 2, lowThrottleLimit * 2, RUNAWAY_TAKEOFF_HIGH_THROTTLE_PERCENT);
if ((((throttlePercent >= lowThrottleLimit) && areSticksActive(RUNAWAY_TAKEOFF_DEACTIVATE_STICK_PERCENT)) || (throttlePercent >= midThrottleLimit))
&& (fabsf(pidData[FD_PITCH].Sum) < RUNAWAY_TAKEOFF_DEACTIVATE_PIDSUM_LIMIT)
&& (fabsf(pidData[FD_ROLL].Sum) < RUNAWAY_TAKEOFF_DEACTIVATE_PIDSUM_LIMIT)
&& (fabsf(pidData[FD_YAW].Sum) < RUNAWAY_TAKEOFF_DEACTIVATE_PIDSUM_LIMIT)) {
inStableFlight = true;
if (runawayTakeoffDeactivateUs == 0) {
runawayTakeoffDeactivateUs = currentTimeUs;
}
}
}
// If we're in flight, then accumulate the time and deactivate once it exceeds runaway_takeoff_deactivate_delay milliseconds
if (inStableFlight) {
if (runawayTakeoffDeactivateUs == 0) {
runawayTakeoffDeactivateUs = currentTimeUs;
}
uint16_t deactivateDelay = pidConfig()->runaway_takeoff_deactivate_delay;
// at high throttle levels reduce deactivation delay by 50%
if (throttlePercent >= RUNAWAY_TAKEOFF_HIGH_THROTTLE_PERCENT) {
deactivateDelay = deactivateDelay / 2;
}
if ((cmpTimeUs(currentTimeUs, runawayTakeoffDeactivateUs) + runawayTakeoffAccumulatedUs) > deactivateDelay * 1000) {
runawayTakeoffCheckDisabled = true;
}
} else {
if (runawayTakeoffDeactivateUs != 0) {
runawayTakeoffAccumulatedUs += cmpTimeUs(currentTimeUs, runawayTakeoffDeactivateUs);
}
runawayTakeoffDeactivateUs = 0;
}
if (runawayTakeoffDeactivateUs == 0) {
DEBUG_SET(DEBUG_RUNAWAY_TAKEOFF, DEBUG_RUNAWAY_TAKEOFF_DEACTIVATING_DELAY, DEBUG_RUNAWAY_TAKEOFF_FALSE);
DEBUG_SET(DEBUG_RUNAWAY_TAKEOFF, DEBUG_RUNAWAY_TAKEOFF_DEACTIVATING_TIME, runawayTakeoffAccumulatedUs / 1000);
} else {
DEBUG_SET(DEBUG_RUNAWAY_TAKEOFF, DEBUG_RUNAWAY_TAKEOFF_DEACTIVATING_DELAY, DEBUG_RUNAWAY_TAKEOFF_TRUE);
DEBUG_SET(DEBUG_RUNAWAY_TAKEOFF, DEBUG_RUNAWAY_TAKEOFF_DEACTIVATING_TIME, (cmpTimeUs(currentTimeUs, runawayTakeoffDeactivateUs) + runawayTakeoffAccumulatedUs) / 1000);
}
} else {
DEBUG_SET(DEBUG_RUNAWAY_TAKEOFF, DEBUG_RUNAWAY_TAKEOFF_DEACTIVATING_DELAY, DEBUG_RUNAWAY_TAKEOFF_FALSE);
DEBUG_SET(DEBUG_RUNAWAY_TAKEOFF, DEBUG_RUNAWAY_TAKEOFF_DEACTIVATING_TIME, DEBUG_RUNAWAY_TAKEOFF_FALSE);
}
#endif
// 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
disarm();
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();
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
updateInflightCalibrationState();
}
updateActivatedModes();
#ifdef USE_DSHOT
/* Enable beep warning when the crash flip mode is active */
if (isMotorProtocolDshot() && isModeActivationConditionPresent(BOXFLIPOVERAFTERCRASH) && IS_RC_MODE_ACTIVE(BOXFLIPOVERAFTERCRASH)) {
beeper(BEEPER_CRASH_FLIP_MODE);
}
#endif
if (!cliMode) {
updateAdjustmentStates();
processRcAdjustments(currentControlRateProfile);
}
bool canUseHorizonMode = true;
if ((IS_RC_MODE_ACTIVE(BOXANGLE) || 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);
}
#ifdef USE_GPS_RESCUE
if (IS_RC_MODE_ACTIVE(BOXGPSRESCUE) || (failsafeIsActive() && failsafeConfig()->failsafe_procedure == FAILSAFE_PROCEDURE_GPS_RESCUE)) {
if (!FLIGHT_MODE(GPS_RESCUE_MODE)) {
ENABLE_FLIGHT_MODE(GPS_RESCUE_MODE);
}
} else {
DISABLE_FLIGHT_MODE(GPS_RESCUE_MODE);
}
#endif
if (FLIGHT_MODE(ANGLE_MODE) || FLIGHT_MODE(HORIZON_MODE)) {
LED1_ON;
// increase frequency of attitude task to reduce drift when in angle or horizon mode
rescheduleTask(TASK_ATTITUDE, TASK_PERIOD_HZ(500));
} else {
LED1_OFF;
rescheduleTask(TASK_ATTITUDE, TASK_PERIOD_HZ(100));
}
if (!IS_RC_MODE_ACTIVE(BOXPREARM) && ARMING_FLAG(WAS_ARMED_WITH_PREARM)) {
DISABLE_ARMING_FLAG(WAS_ARMED_WITH_PREARM);
}
#if defined(USE_ACC) || defined(USE_MAG)
if (sensors(SENSOR_ACC) || sensors(SENSOR_MAG)) {
#if defined(USE_GPS) || defined(USE_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)) {
if (imuQuaternionHeadfreeOffsetSet()){
beeper(BEEPER_RX_SET);
}
}
}
#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 USE_TELEMETRY
static bool sharedPortTelemetryEnabled = false;
if (feature(FEATURE_TELEMETRY)) {
bool enableSharedPortTelemetry = (!isModeActivationConditionPresent(BOXTELEMETRY) && ARMING_FLAG(ARMED)) || (isModeActivationConditionPresent(BOXTELEMETRY) && IS_RC_MODE_ACTIVE(BOXTELEMETRY));
if (enableSharedPortTelemetry && !sharedPortTelemetryEnabled) {
mspSerialReleaseSharedTelemetryPorts();
telemetryCheckState();
sharedPortTelemetryEnabled = true;
} else if (!enableSharedPortTelemetry && sharedPortTelemetryEnabled) {
// the telemetry state must be checked immediately so that shared serial ports are released.
telemetryCheckState();
mspSerialAllocatePorts();
sharedPortTelemetryEnabled = false;
}
}
#endif
#ifdef USE_VTX_CONTROL
vtxUpdateActivatedChannel();
if (canUpdateVTX()) {
handleVTXControlButton();
}
#endif
#ifdef USE_ACRO_TRAINER
pidSetAcroTrainerState(IS_RC_MODE_ACTIVE(BOXACROTRAINER) && sensors(SENSOR_ACC));
#endif // USE_ACRO_TRAINER
#ifdef USE_RC_SMOOTHING_FILTER
if (ARMING_FLAG(ARMED) && !rcSmoothingInitializationComplete()) {
beeper(BEEPER_RC_SMOOTHING_INIT_FAIL);
}
#endif
pidSetAntiGravityState(IS_RC_MODE_ACTIVE(BOXANTIGRAVITY) || feature(FEATURE_ANTI_GRAVITY));
return true;
}
