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cleanflight/src/main/mw.c
Dominic Clifton e6733b4dfc Cleanup status indicator code. 
This primarily is to avaoid stalling the main loop when beeping and
flashing.

This is needed because oneshot ESCs do not receive updates when the main
loop is stalled.

Additionally the beeper code for sticks held in disarm position is
changed since it also clashed with profile selection.  Now profile
selections can be seen and heard clearly.

Other subsections of the system that changed the LED0 state while the
main loop is running have been updated to use the status indicator API
instead of blindly hitting the hardware which previously caused lots of
odd LED flashing behaviour - now it is consistent.
2015-05-29 23:37:33 +01:00

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/*
* This file is part of Cleanflight.
*
* Cleanflight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Cleanflight is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Cleanflight. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <stdint.h>
#include <math.h>
#include "platform.h"
#include "common/maths.h"
#include "common/axis.h"
#include "common/color.h"
#include "drivers/sensor.h"
#include "drivers/accgyro.h"
#include "drivers/compass.h"
#include "drivers/light_led.h"
#include "drivers/gpio.h"
#include "drivers/system.h"
#include "drivers/serial.h"
#include "drivers/timer.h"
#include "drivers/pwm_rx.h"
#include "sensors/sensors.h"
#include "sensors/boardalignment.h"
#include "sensors/sonar.h"
#include "sensors/compass.h"
#include "sensors/acceleration.h"
#include "sensors/barometer.h"
#include "sensors/gyro.h"
#include "sensors/battery.h"
#include "io/beeper.h"
#include "io/display.h"
#include "io/escservo.h"
#include "io/rc_controls.h"
#include "io/rc_curves.h"
#include "io/gimbal.h"
#include "io/gps.h"
#include "io/ledstrip.h"
#include "io/serial.h"
#include "io/serial_cli.h"
#include "io/serial_msp.h"
#include "io/statusindicator.h"
#include "rx/rx.h"
#include "rx/msp.h"
#include "telemetry/telemetry.h"
#include "blackbox/blackbox.h"
#include "flight/mixer.h"
#include "flight/pid.h"
#include "flight/imu.h"
#include "flight/altitudehold.h"
#include "flight/failsafe.h"
#include "flight/autotune.h"
#include "flight/navigation.h"
#include "config/runtime_config.h"
#include "config/config.h"
#include "config/config_profile.h"
#include "config/config_master.h"
// June 2013 V2.2-dev
enum {
ALIGN_GYRO = 0,
ALIGN_ACCEL = 1,
ALIGN_MAG = 2
};
/* for VBAT monitoring frequency */
#define VBATFREQ 6 // to read battery voltage - nth number of loop iterations
uint32_t currentTime = 0;
uint32_t previousTime = 0;
uint16_t cycleTime = 0; // this is the number in micro second to achieve a full loop, it can differ a little and is taken into account in the PID loop
int16_t magHold;
int16_t headFreeModeHold;
uint8_t motorControlEnable = false;
int16_t telemTemperature1; // gyro sensor temperature
static uint32_t disarmAt; // Time of automatic disarm when "Don't spin the motors when armed" is enabled and auto_disarm_delay is nonzero
extern uint8_t dynP8[3], dynI8[3], dynD8[3], PIDweight[3];
typedef void (*pidControllerFuncPtr)(pidProfile_t *pidProfile, controlRateConfig_t *controlRateConfig,
uint16_t max_angle_inclination, rollAndPitchTrims_t *angleTrim, rxConfig_t *rxConfig); // pid controller function prototype
extern pidControllerFuncPtr pid_controller;
void applyAndSaveAccelerometerTrimsDelta(rollAndPitchTrims_t *rollAndPitchTrimsDelta)
{
currentProfile->accelerometerTrims.values.roll += rollAndPitchTrimsDelta->values.roll;
currentProfile->accelerometerTrims.values.pitch += rollAndPitchTrimsDelta->values.pitch;
saveConfigAndNotify();
}
#ifdef AUTOTUNE
void updateAutotuneState(void)
{
static bool landedAfterAutoTuning = false;
static bool autoTuneWasUsed = false;
if (IS_RC_MODE_ACTIVE(BOXAUTOTUNE)) {
if (!FLIGHT_MODE(AUTOTUNE_MODE)) {
if (ARMING_FLAG(ARMED)) {
if (isAutotuneIdle() || landedAfterAutoTuning) {
autotuneReset();
landedAfterAutoTuning = false;
}
autotuneBeginNextPhase(&currentProfile->pidProfile);
ENABLE_FLIGHT_MODE(AUTOTUNE_MODE);
autoTuneWasUsed = true;
} else {
if (havePidsBeenUpdatedByAutotune()) {
saveConfigAndNotify();
autotuneReset();
}
}
}
return;
}
if (FLIGHT_MODE(AUTOTUNE_MODE)) {
autotuneEndPhase();
DISABLE_FLIGHT_MODE(AUTOTUNE_MODE);
}
if (!ARMING_FLAG(ARMED) && autoTuneWasUsed) {
landedAfterAutoTuning = true;
}
}
#endif
bool isCalibrating()
{
#ifdef BARO
if (sensors(SENSOR_BARO) && !isBaroCalibrationComplete()) {
return true;
}
#endif
// Note: compass calibration is handled completely differently, outside of the main loop, see f.CALIBRATE_MAG
return (!isAccelerationCalibrationComplete() && sensors(SENSOR_ACC)) || (!isGyroCalibrationComplete());
}
void annexCode(void)
{
int32_t tmp, tmp2;
int32_t axis, prop1 = 0, prop2;
static batteryState_e batteryState = BATTERY_OK;
static uint8_t vbatTimer = 0;
static int32_t vbatCycleTime = 0;
// PITCH & ROLL only dynamic PID adjustment, depending on throttle value
if (rcData[THROTTLE] < currentControlRateProfile->tpa_breakpoint) {
prop2 = 100;
} else {
if (rcData[THROTTLE] < 2000) {
prop2 = 100 - (uint16_t)currentControlRateProfile->dynThrPID * (rcData[THROTTLE] - currentControlRateProfile->tpa_breakpoint) / (2000 - currentControlRateProfile->tpa_breakpoint);
} else {
prop2 = 100 - currentControlRateProfile->dynThrPID;
}
}
for (axis = 0; axis < 3; axis++) {
tmp = MIN(ABS(rcData[axis] - masterConfig.rxConfig.midrc), 500);
if (axis == ROLL || axis == PITCH) {
if (currentProfile->rcControlsConfig.deadband) {
if (tmp > currentProfile->rcControlsConfig.deadband) {
tmp -= currentProfile->rcControlsConfig.deadband;
} else {
tmp = 0;
}
}
tmp2 = tmp / 100;
rcCommand[axis] = lookupPitchRollRC[tmp2] + (tmp - tmp2 * 100) * (lookupPitchRollRC[tmp2 + 1] - lookupPitchRollRC[tmp2]) / 100;
prop1 = 100 - (uint16_t)currentControlRateProfile->rates[axis] * tmp / 500;
prop1 = (uint16_t)prop1 * prop2 / 100;
} else if (axis == YAW) {
if (currentProfile->rcControlsConfig.yaw_deadband) {
if (tmp > currentProfile->rcControlsConfig.yaw_deadband) {
tmp -= currentProfile->rcControlsConfig.yaw_deadband;
} else {
tmp = 0;
}
}
tmp2 = tmp / 100;
rcCommand[axis] = (lookupYawRC[tmp2] + (tmp - tmp2 * 100) * (lookupYawRC[tmp2 + 1] - lookupYawRC[tmp2]) / 100) * -masterConfig.yaw_control_direction;
prop1 = 100 - (uint16_t)currentControlRateProfile->rates[axis] * ABS(tmp) / 500;
}
// FIXME axis indexes into pids. use something like lookupPidIndex(rc_alias_e alias) to reduce coupling.
dynP8[axis] = (uint16_t)currentProfile->pidProfile.P8[axis] * prop1 / 100;
dynI8[axis] = (uint16_t)currentProfile->pidProfile.I8[axis] * prop1 / 100;
dynD8[axis] = (uint16_t)currentProfile->pidProfile.D8[axis] * prop1 / 100;
// non coupled PID reduction scaler used in PID controller 1 and PID controller 2. YAW TPA disabled. 100 means 100% of the pids
if (axis == YAW) {
PIDweight[axis] = 100;
}
else {
PIDweight[axis] = prop2;
}
if (rcData[axis] < masterConfig.rxConfig.midrc)
rcCommand[axis] = -rcCommand[axis];
}
tmp = constrain(rcData[THROTTLE], masterConfig.rxConfig.mincheck, PWM_RANGE_MAX);
tmp = (uint32_t)(tmp - masterConfig.rxConfig.mincheck) * PWM_RANGE_MIN / (PWM_RANGE_MAX - masterConfig.rxConfig.mincheck); // [MINCHECK;2000] -> [0;1000]
tmp2 = tmp / 100;
rcCommand[THROTTLE] = lookupThrottleRC[tmp2] + (tmp - tmp2 * 100) * (lookupThrottleRC[tmp2 + 1] - lookupThrottleRC[tmp2]) / 100; // [0;1000] -> expo -> [MINTHROTTLE;MAXTHROTTLE]
if (FLIGHT_MODE(HEADFREE_MODE)) {
float radDiff = degreesToRadians(heading - headFreeModeHold);
float cosDiff = cosf(radDiff);
float sinDiff = sinf(radDiff);
int16_t rcCommand_PITCH = rcCommand[PITCH] * cosDiff + rcCommand[ROLL] * sinDiff;
rcCommand[ROLL] = rcCommand[ROLL] * cosDiff - rcCommand[PITCH] * sinDiff;
rcCommand[PITCH] = rcCommand_PITCH;
}
if (feature(FEATURE_VBAT | FEATURE_CURRENT_METER)) {
vbatCycleTime += cycleTime;
if (!(++vbatTimer % VBATFREQ)) {
if (feature(FEATURE_VBAT)) {
updateBatteryVoltage();
batteryState = calculateBatteryState();
//handle beepers for battery levels
if (batteryState == BATTERY_CRITICAL)
beeper(BEEPER_BAT_CRIT_LOW); //critically low battery
else if (batteryState == BATTERY_WARNING)
beeper(BEEPER_BAT_LOW); //low battery
}
if (feature(FEATURE_CURRENT_METER)) {
updateCurrentMeter(vbatCycleTime, &masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
}
vbatCycleTime = 0;
}
}
beeperUpdate(); //call periodic beeper handler
if (ARMING_FLAG(ARMED)) {
LED0_ON;
} else {
if (IS_RC_MODE_ACTIVE(BOXARM) == 0) {
ENABLE_ARMING_FLAG(OK_TO_ARM);
}
if (!STATE(SMALL_ANGLE)) {
DISABLE_ARMING_FLAG(OK_TO_ARM);
}
if (IS_RC_MODE_ACTIVE(BOXAUTOTUNE)) {
DISABLE_ARMING_FLAG(OK_TO_ARM);
}
if (isCalibrating()) {
warningLedFlash();
DISABLE_ARMING_FLAG(OK_TO_ARM);
} else {
if (ARMING_FLAG(OK_TO_ARM)) {
warningLedDisable();
} else {
warningLedFlash();
}
}
warningLedUpdate();
}
#ifdef TELEMETRY
checkTelemetryState();
#endif
handleSerial();
#ifdef GPS
if (sensors(SENSOR_GPS)) {
updateGpsIndicator(currentTime);
}
#endif
// Read out gyro temperature. can use it for something somewhere. maybe get MCU temperature instead? lots of fun possibilities.
if (gyro.temperature)
gyro.temperature(&telemTemperature1);
}
void mwDisarm(void)
{
if (ARMING_FLAG(ARMED)) {
DISABLE_ARMING_FLAG(ARMED);
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
// the telemetry state must be checked immediately so that shared serial ports are released.
checkTelemetryState();
mspAllocateSerialPorts(&masterConfig.serialConfig);
}
#endif
#ifdef BLACKBOX
if (feature(FEATURE_BLACKBOX)) {
finishBlackbox();
}
#endif
beeper(BEEPER_DISARMING); // emit disarm tone
}
}
#define TELEMETRY_FUNCTION_MASK (FUNCTION_TELEMETRY_FRSKY | FUNCTION_TELEMETRY_HOTT | FUNCTION_TELEMETRY_MSP | FUNCTION_TELEMETRY_SMARTPORT)
void mwArm(void)
{
if (ARMING_FLAG(OK_TO_ARM)) {
if (ARMING_FLAG(ARMED)) {
return;
}
if (!ARMING_FLAG(PREVENT_ARMING)) {
ENABLE_ARMING_FLAG(ARMED);
headFreeModeHold = heading;
#ifdef TELEMETRY
if (feature(FEATURE_TELEMETRY)) {
serialPort_t *sharedPort = findSharedSerialPort(TELEMETRY_FUNCTION_MASK, FUNCTION_MSP);
while (sharedPort) {
mspReleasePortIfAllocated(sharedPort);
sharedPort = findNextSharedSerialPort(TELEMETRY_FUNCTION_MASK, FUNCTION_MSP);
}
}
#endif
#ifdef BLACKBOX
if (feature(FEATURE_BLACKBOX)) {
serialPort_t *sharedBlackboxAndMspPort = findSharedSerialPort(FUNCTION_BLACKBOX, FUNCTION_MSP);
if (sharedBlackboxAndMspPort) {
mspReleasePortIfAllocated(sharedBlackboxAndMspPort);
}
startBlackbox();
}
#endif
disarmAt = millis() + masterConfig.auto_disarm_delay * 1000; // start disarm timeout, will be extended when throttle is nonzero
//beep to indicate arming
#ifdef GPS
if (feature(FEATURE_GPS) && STATE(GPS_FIX) && GPS_numSat >= 5)
beeper(BEEPER_ARMING_GPS_FIX);
else
beeper(BEEPER_ARMING);
#else
beeper(BEEPER_ARMING);
#endif
return;
}
}
if (!ARMING_FLAG(ARMED)) {
beeperConfirmationBeeps(1);
}
}
// Automatic ACC Offset Calibration
bool AccInflightCalibrationArmed = false;
bool AccInflightCalibrationMeasurementDone = false;
bool AccInflightCalibrationSavetoEEProm = false;
bool AccInflightCalibrationActive = false;
uint16_t InflightcalibratingA = 0;
void handleInflightCalibrationStickPosition(void)
{
if (AccInflightCalibrationMeasurementDone) {
// trigger saving into eeprom after landing
AccInflightCalibrationMeasurementDone = false;
AccInflightCalibrationSavetoEEProm = true;
} else {
AccInflightCalibrationArmed = !AccInflightCalibrationArmed;
if (AccInflightCalibrationArmed) {
beeper(BEEPER_ACC_CALIBRATION);
} else {
beeper(BEEPER_ACC_CALIBRATION_FAIL);
}
}
}
void updateInflightCalibrationState(void)
{
if (AccInflightCalibrationArmed && ARMING_FLAG(ARMED) && rcData[THROTTLE] > masterConfig.rxConfig.mincheck && !IS_RC_MODE_ACTIVE(BOXARM)) { // Copter is airborne and you are turning it off via boxarm : start measurement
InflightcalibratingA = 50;
AccInflightCalibrationArmed = false;
}
if (IS_RC_MODE_ACTIVE(BOXCALIB)) { // Use the Calib Option to activate : Calib = TRUE Meausrement started, Land and Calib = 0 measurement stored
if (!AccInflightCalibrationActive && !AccInflightCalibrationMeasurementDone)
InflightcalibratingA = 50;
AccInflightCalibrationActive = true;
} else if (AccInflightCalibrationMeasurementDone && !ARMING_FLAG(ARMED)) {
AccInflightCalibrationMeasurementDone = false;
AccInflightCalibrationSavetoEEProm = true;
}
}
void updateMagHold(void)
{
if (ABS(rcCommand[YAW]) < 70 && FLIGHT_MODE(MAG_MODE)) {
int16_t dif = heading - magHold;
if (dif <= -180)
dif += 360;
if (dif >= +180)
dif -= 360;
dif *= -masterConfig.yaw_control_direction;
if (STATE(SMALL_ANGLE))
rcCommand[YAW] -= dif * currentProfile->pidProfile.P8[PIDMAG] / 30; // 18 deg
} else
magHold = heading;
}
typedef enum {
#ifdef MAG
UPDATE_COMPASS_TASK,
#endif
#ifdef BARO
UPDATE_BARO_TASK,
#endif
#ifdef SONAR
UPDATE_SONAR_TASK,
#endif
#if defined(BARO) || defined(SONAR)
CALCULATE_ALTITUDE_TASK,
#endif
UPDATE_DISPLAY_TASK
} periodicTasks;
#define PERIODIC_TASK_COUNT (UPDATE_DISPLAY_TASK + 1)
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);
}
}
void loop(void)
{
static uint32_t loopTime;
#if defined(BARO) || defined(SONAR)
static bool haveProcessedAnnexCodeOnce = false;
#endif
updateRx(currentTime);
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(&currentProfile->accelerometerTrims);
// 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.
// 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.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(
&currentProfile->pidProfile,
currentControlRateProfile,
masterConfig.max_angle_inclination,
&currentProfile->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)) {
handleTelemetry(&masterConfig.rxConfig, masterConfig.flight3DConfig.deadband3d_throttle);
}
#endif
#ifdef LED_STRIP
if (feature(FEATURE_LED_STRIP)) {
updateLedStrip();
}
#endif
}
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