void processRcStickPositions(throttleStatus_e throttleStatus)
{
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
static uint8_t rcDisarmTicks; // this is an extra guard for disarming through switch to prevent that one frame can disarm it
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)) {
rcDisarmTicks = 0;
// Arming via ARM BOX
tryArm();
} else {
// Disarming via ARM BOX
resetArmingDisabled();
if (ARMING_FLAG(ARMED) && rxIsReceivingSignal() && !failsafeIsActive() ) {
rcDisarmTicks++;
if (rcDisarmTicks > 3) {
if (armingConfig()->disarm_kill_switch) {
disarm();
} else if (throttleStatus == THROTTLE_LOW) {
disarm();
}
}
}
}
}
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))
disarm();
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
gyroStartCalibration(false);
#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
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) {
changePidProfile(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
tryArm();
return;
} else {
resetArmingDisabled();
}
}
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 USE_DASHBOARD
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_LO) {
dashboardDisablePageCycling();
}
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_HI) {
dashboardEnablePageCycling();
}
#endif
#ifdef VTX_CONTROL
if (rcSticks == THR_HI + YAW_LO + PIT_CE + ROL_HI) {
vtxIncrementBand();
}
if (rcSticks == THR_HI + YAW_LO + PIT_CE + ROL_LO) {
vtxDecrementBand();
}
if (rcSticks == THR_HI + YAW_HI + PIT_CE + ROL_HI) {
vtxIncrementChannel();
}
if (rcSticks == THR_HI + YAW_HI + PIT_CE + ROL_LO) {
vtxDecrementChannel();
}
#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
uint8_t axis, i;
int16_t error, errorAngle;
int16_t delta, deltaSum;
int16_t PTerm, ITerm, PTermACC, ITermACC = 0, PTermGYRO = 0, ITermGYRO = 0, DTerm;
static int16_t lastGyro[3] = { 0, 0, 0 };
static int16_t delta1[3], delta2[3];
static int16_t errorGyroI[3] = { 0, 0, 0 };
static int16_t errorAngleI[2] = { 0, 0 };
static uint32_t rcTime = 0;
static int16_t initialThrottleHold;
static uint32_t loopTime;
uint16_t auxState = 0;
int16_t prop;
// 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();
// 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] = cfg.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)
f.ARMED = 0; // 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
f.ARMED = 0; // 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++;
}
if (rcData[THROTTLE] < cfg.mincheck) {
errorGyroI[ROLL] = 0;
errorGyroI[PITCH] = 0;
errorGyroI[YAW] = 0;
errorAngleI[ROLL] = 0;
errorAngleI[PITCH] = 0;
rcDelayCommand++;
if (rcData[YAW] < cfg.mincheck && rcData[PITCH] < cfg.mincheck && !f.ARMED) {
if (rcDelayCommand == 20) {
calibratingG = 1000;
if (feature(FEATURE_GPS))
GPS_reset_home_position();
}
} else if (feature(FEATURE_INFLIGHT_ACC_CAL) && (!f.ARMED && rcData[YAW] < cfg.mincheck && rcData[PITCH] > cfg.maxcheck && rcData[ROLL] > cfg.maxcheck)) {
if (rcDelayCommand == 20) {
if (AccInflightCalibrationMeasurementDone) { // trigger saving into eeprom after landing
AccInflightCalibrationMeasurementDone = 0;
AccInflightCalibrationSavetoEEProm = 1;
} else {
AccInflightCalibrationArmed = !AccInflightCalibrationArmed;
if (AccInflightCalibrationArmed) {
toggleBeep = 2;
} else {
toggleBeep = 3;
}
}
}
} else if (cfg.activate[BOXARM] > 0) {
if (rcOptions[BOXARM] && f.OK_TO_ARM) {
// TODO: feature(FEATURE_FAILSAFE) && failsafeCnt == 0
f.ARMED = 1;
headFreeModeHold = heading;
} else if (f.ARMED)
f.ARMED = 0;
rcDelayCommand = 0;
} else if ((rcData[YAW] < cfg.mincheck || (cfg.retarded_arm == 1 && rcData[ROLL] < cfg.mincheck)) && f.ARMED) {
if (rcDelayCommand == 20)
f.ARMED = 0; // rcDelayCommand = 20 => 20x20ms = 0.4s = time to wait for a specific RC command to be acknowledged
} else if ((rcData[YAW] > cfg.maxcheck || (rcData[ROLL] > cfg.maxcheck && cfg.retarded_arm == 1)) && rcData[PITCH] < cfg.maxcheck && !f.ARMED && calibratingG == 0 && f.ACC_CALIBRATED) {
if (rcDelayCommand == 20) {
f.ARMED = 1;
headFreeModeHold = heading;
}
} else
rcDelayCommand = 0;
} else if (rcData[THROTTLE] > cfg.maxcheck && !f.ARMED) {
if (rcData[YAW] < cfg.mincheck && rcData[PITCH] < cfg.mincheck) { // throttle=max, yaw=left, pitch=min
if (rcDelayCommand == 20)
calibratingA = 400;
rcDelayCommand++;
} else if (rcData[YAW] > cfg.maxcheck && rcData[PITCH] < cfg.mincheck) { // throttle=max, yaw=right, pitch=min
if (rcDelayCommand == 20)
f.CALIBRATE_MAG = 1; // MAG calibration request
rcDelayCommand++;
} else if (rcData[PITCH] > cfg.maxcheck) {
cfg.angleTrim[PITCH] += 2;
writeParams(1);
#ifdef LEDRING
if (feature(FEATURE_LED_RING))
ledringBlink();
#endif
} else if (rcData[PITCH] < cfg.mincheck) {
cfg.angleTrim[PITCH] -= 2;
writeParams(1);
#ifdef LEDRING
if (feature(FEATURE_LED_RING))
ledringBlink();
#endif
} else if (rcData[ROLL] > cfg.maxcheck) {
cfg.angleTrim[ROLL] += 2;
writeParams(1);
#ifdef LEDRING
if (feature(FEATURE_LED_RING))
ledringBlink();
#endif
} else if (rcData[ROLL] < cfg.mincheck) {
cfg.angleTrim[ROLL] -= 2;
writeParams(1);
#ifdef LEDRING
if (feature(FEATURE_LED_RING))
ledringBlink();
#endif
} else {
rcDelayCommand = 0;
}
}
if (feature(FEATURE_INFLIGHT_ACC_CAL)) {
if (AccInflightCalibrationArmed && f.ARMED && rcData[THROTTLE] > cfg.mincheck && !rcOptions[BOXARM]) { // Copter is airborne and you are turning it off via boxarm : start measurement
InflightcalibratingA = 50;
AccInflightCalibrationArmed = 0;
}
if (rcOptions[BOXPASSTHRU]) { // Use the Passthru Option to activate : Passthru = TRUE Meausrement started, Land and passtrhu = 0 measurement stored
if (!AccInflightCalibrationActive && !AccInflightCalibrationMeasurementDone)
InflightcalibratingA = 50;
} else if (AccInflightCalibrationMeasurementDone && !f.ARMED) {
AccInflightCalibrationMeasurementDone = 0;
AccInflightCalibrationSavetoEEProm = 1;
}
}
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]) {
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)) {
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;
}
#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 (rcOptions[BOXGPSHOME]) {
if (!f.GPS_HOME_MODE) {
f.GPS_HOME_MODE = 1;
GPS_set_next_wp(&GPS_home[LAT], &GPS_home[LON]);
nav_mode = NAV_MODE_WP;
}
} else {
f.GPS_HOME_MODE = 0;
}
if (rcOptions[BOXGPSHOLD]) {
if (!f.GPS_HOLD_MODE) {
f.GPS_HOLD_MODE = 1;
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;
}
}
}
if (rcOptions[BOXPASSTHRU]) {
f.PASSTHRU_MODE = 1;
} else {
f.PASSTHRU_MODE = 0;
}
if (cfg.mixerConfiguration == MULTITYPE_FLYING_WING || cfg.mixerConfiguration == MULTITYPE_AIRPLANE) {
f.HEADFREE_MODE = 0;
}
} else { // not in rc loop
static int8_t taskOrder = 0; // never call all function in the same loop, to avoid high delay spikes
switch (taskOrder++ % 4) {
case 0:
#ifdef MAG
if (sensors(SENSOR_MAG))
Mag_getADC();
#endif
break;
case 1:
#ifdef BARO
if (sensors(SENSOR_BARO))
Baro_update();
#endif
break;
case 2:
#ifdef BARO
if (sensors(SENSOR_BARO))
getEstimatedAltitude();
#endif
break;
case 3:
#ifdef SONAR
if (sensors(SENSOR_SONAR)) {
Sonar_update();
debug[2] = sonarAlt;
}
#endif
break;
default:
taskOrder = 0;
break;
}
}
currentTime = micros();
if (cfg.looptime == 0 || (int32_t)(currentTime - loopTime) >= 0) {
loopTime = currentTime + cfg.looptime;
computeIMU();
// Measure loop rate just afer reading the sensors
currentTime = micros();
cycleTime = (int32_t)(currentTime - previousTime);
previousTime = currentTime;
#ifdef MPU6050_DMP
mpu6050DmpLoop();
#endif
#ifdef MAG
if (sensors(SENSOR_MAG)) {
if (abs(rcCommand[YAW]) < 70 && f.MAG_MODE) {
int16_t dif = heading - magHold;
if (dif <= -180)
dif += 360;
if (dif >= +180)
dif -= 360;
if (f.SMALL_ANGLES_25)
rcCommand[YAW] -= dif * cfg.P8[PIDMAG] / 30; // 18 deg
} else
magHold = heading;
}
#endif
#ifdef BARO
if (sensors(SENSOR_BARO)) {
if (f.BARO_MODE) {
if (abs(rcCommand[THROTTLE] - initialThrottleHold) > cfg.alt_hold_throttle_neutral) {
f.BARO_MODE = 0; // so that a new althold reference is defined
}
rcCommand[THROTTLE] = initialThrottleHold + BaroPID;
}
}
#endif
if (sensors(SENSOR_GPS)) {
// Check that we really need to navigate ?
if ((!f.GPS_HOME_MODE && !f.GPS_HOLD_MODE) || !f.GPS_FIX_HOME) {
// If not. Reset nav loops and all nav related parameters
GPS_reset_nav();
} else {
float sin_yaw_y = sinf(heading * 0.0174532925f);
float cos_yaw_x = cosf(heading * 0.0174532925f);
if (cfg.nav_slew_rate) {
nav_rated[LON] += constrain(wrap_18000(nav[LON] - nav_rated[LON]), -cfg.nav_slew_rate, cfg.nav_slew_rate); // TODO check this on uint8
nav_rated[LAT] += constrain(wrap_18000(nav[LAT] - nav_rated[LAT]), -cfg.nav_slew_rate, cfg.nav_slew_rate);
GPS_angle[ROLL] = (nav_rated[LON] * cos_yaw_x - nav_rated[LAT] * sin_yaw_y) / 10;
GPS_angle[PITCH] = (nav_rated[LON] * sin_yaw_y + nav_rated[LAT] * cos_yaw_x) / 10;
} else {
GPS_angle[ROLL] = (nav[LON] * cos_yaw_x - nav[LAT] * sin_yaw_y) / 10;
GPS_angle[PITCH] = (nav[LON] * sin_yaw_y + nav[LAT] * cos_yaw_x) / 10;
}
}
}
// **** PITCH & ROLL & YAW PID ****
prop = max(abs(rcCommand[PITCH]), abs(rcCommand[ROLL])); // range [0;500]
for (axis = 0; axis < 3; axis++) {
if ((f.ANGLE_MODE || f.HORIZON_MODE) && axis < 2) { // MODE relying on ACC
// 50 degrees max inclination
errorAngle = constrain(2 * rcCommand[axis] + GPS_angle[axis], -500, +500) - angle[axis] + cfg.angleTrim[axis];
#ifdef LEVEL_PDF
PTermACC = -(int32_t)angle[axis] * cfg.P8[PIDLEVEL] / 100;
#else
PTermACC = (int32_t)errorAngle * cfg.P8[PIDLEVEL] / 100; // 32 bits is needed for calculation: errorAngle*P8[PIDLEVEL] could exceed 32768 16 bits is ok for result
#endif
PTermACC = constrain(PTermACC, -cfg.D8[PIDLEVEL] * 5, +cfg.D8[PIDLEVEL] * 5);
errorAngleI[axis] = constrain(errorAngleI[axis] + errorAngle, -10000, +10000); // WindUp
ITermACC = ((int32_t)errorAngleI[axis] * cfg.I8[PIDLEVEL]) >> 12;
}
if (!f.ANGLE_MODE || axis == 2) { // MODE relying on GYRO or YAW axis
error = (int32_t)rcCommand[axis] * 10 * 8 / cfg.P8[axis];
error -= gyroData[axis];
PTermGYRO = rcCommand[axis];
errorGyroI[axis] = constrain(errorGyroI[axis] + error, -16000, +16000); // WindUp
if (abs(gyroData[axis]) > 640)
errorGyroI[axis] = 0;
ITermGYRO = (errorGyroI[axis] / 125 * cfg.I8[axis]) >> 6;
}
void GPS_NewData(void) {
static uint32_t nav_loopTimer;
uint32_t dist;
int32_t dir;
uint8_t axis;
int16_t speed;
uint16_t c = GPSBufferAvailable();
while (c--) {
if (GPS_newFrame(GPSBufferRead())) {
if (GPS_Info.GPS_update == 1)
GPS_Info.GPS_update = 0;
else
GPS_Info.GPS_update = 1;
if (fgps.GPS_FIX && GPS_Info.GPS_numSat >= 5) {
if (!checkArm()) {
fgps.GPS_FIX_HOME = 0;
}
if (!fgps.GPS_FIX_HOME && checkArm()) {
GPS_reset_home_position();
}
//Apply moving average filter to GPS data
#if defined(GPS_FILTERING)
GPS_filter_index = (GPS_filter_index+1) % GPS_FILTER_VECTOR_LENGTH;
for (axis = 0; axis< 2; axis++) {
GPS_data[axis] = GPS_Info.GPS_coord[axis]; //latest unfiltered data is in GPS_latitude and GPS_longitude
GPS_degree[axis] = GPS_data[axis] / 10000000; // get the degree to assure the sum fits to the int32_t
// How close we are to a degree line ? its the first three digits from the fractions of degree
// later we use it to Check if we are close to a degree line, if yes, disable averaging,
fraction3[axis] = (GPS_data[axis]- GPS_degree[axis]*10000000) / 10000;
GPS_filter_sum[axis] -= GPS_filter[axis][GPS_filter_index];
GPS_filter[axis][GPS_filter_index] = GPS_data[axis] - (GPS_degree[axis]*10000000);
GPS_filter_sum[axis] += GPS_filter[axis][GPS_filter_index];
GPS_filtered[axis] = GPS_filter_sum[axis] / GPS_FILTER_VECTOR_LENGTH + (GPS_degree[axis]*10000000);
if ( nav_mode == NAV_MODE_POSHOLD) { //we use gps averaging only in poshold mode...
if ( fraction3[axis]>1 && fraction3[axis]<999 )
GPS_Info.GPS_coord[axis] = GPS_filtered[axis];
}
}
#endif
//Time for calculating x,y speed and navigation pids
dTnav = (float)(getTickCount() - nav_loopTimer)/ 10000.0f;
nav_loopTimer = getTickCount();
// prevent runup from bad GPS
dTnav = min(dTnav, 1.0f);
//calculate distance and bearings for gui and other stuff continously - From home to copter
GPS_distance_cm_bearing(&GPS_Info.GPS_coord[LAT],&GPS_Info.GPS_coord[LON],&GPS_Info.GPS_home[LAT],&GPS_Info.GPS_home[LON],&dist,&dir);
GPS_Info.GPS_distanceToHome = dist/100;
GPS_Info.GPS_directionToHome = dir/100;
if (!fgps.GPS_FIX_HOME) { //If we don't have home set, do not display anything
GPS_Info.GPS_distanceToHome = 0;
GPS_Info.GPS_directionToHome = 0;
}
//calculate the current velocity based on gps coordinates continously to get a valid speed at the moment when we start navigating
GPS_calc_velocity();
if (fgps.GPS_HOLD_MODE || fgps.GPS_HOME_MODE){ //ok we are navigating
//do gps nav calculations here, these are common for nav and poshold
#if defined(GPS_LEAD_FILTER)
GPS_distance_cm_bearing(&GPS_coord_lead[LAT],&GPS_coord_lead[LON],&GPS_WP[LAT],&GPS_WP[LON],&wp_distance,&target_bearing);
GPS_calc_location_error(&GPS_WP[LAT],&GPS_WP[LON],&GPS_coord_lead[LAT],&GPS_coord_lead[LON]);
#else
GPS_distance_cm_bearing(&GPS_coord[LAT],&GPS_coord[LON],&GPS_WP[LAT],&GPS_WP[LON],&wp_distance,&target_bearing);
GPS_calc_location_error(&GPS_WP[LAT],&GPS_WP[LON],&GPS_coord[LAT],&GPS_coord[LON]);
#endif
switch (nav_mode) {
case NAV_MODE_POSHOLD:
//Desired output is in nav_lat and nav_lon where 1deg inclination is 100
GPS_calc_poshold();
break;
case NAV_MODE_WP:
speed = GPS_calc_desired_speed(NAV_SPEED_MAX, NAV_SLOW_NAV); //slow navigation
// use error as the desired rate towards the target
//Desired output is in nav_lat and nav_lon where 1deg inclination is 100
GPS_calc_nav_rate(speed);
//Tail control
if (NAV_CONTROLS_HEADING) {
if (NAV_TAIL_FIRST) {
magHold = wrap_18000(nav_bearing-18000)/100;
} else {
magHold = nav_bearing/100;
}
}
// Are we there yet ?(within 2 meters of the destination)
if ((wp_distance <= GPS_wp_radius) || check_missed_wp()){ //if yes switch to poshold mode
nav_mode = NAV_MODE_POSHOLD;
if (NAV_SET_TAKEOFF_HEADING) { magHold = nav_takeoff_bearing; }
}
break;
}
} //end of gps calcs
}
}
}
}
void onGpsNewData(void)
{
int axis;
static uint32_t nav_loopTimer;
uint16_t speed;
if (!(STATE(GPS_FIX) && GPS_numSat >= 5)) {
return;
}
if (!ARMING_FLAG(ARMED))
DISABLE_STATE(GPS_FIX_HOME);
if (!STATE(GPS_FIX_HOME) && ARMING_FLAG(ARMED))
GPS_reset_home_position();
// Apply moving average filter to GPS data
#if defined(GPS_FILTERING)
GPS_filter_index = (GPS_filter_index + 1) % GPS_FILTER_VECTOR_LENGTH;
for (axis = 0; axis < 2; axis++) {
GPS_read[axis] = GPS_coord[axis]; // latest unfiltered data is in GPS_latitude and GPS_longitude
GPS_degree[axis] = GPS_read[axis] / 10000000; // get the degree to assure the sum fits to the int32_t
// How close we are to a degree line ? its the first three digits from the fractions of degree
// later we use it to Check if we are close to a degree line, if yes, disable averaging,
fraction3[axis] = (GPS_read[axis] - GPS_degree[axis] * 10000000) / 10000;
GPS_filter_sum[axis] -= GPS_filter[axis][GPS_filter_index];
GPS_filter[axis][GPS_filter_index] = GPS_read[axis] - (GPS_degree[axis] * 10000000);
GPS_filter_sum[axis] += GPS_filter[axis][GPS_filter_index];
GPS_filtered[axis] = GPS_filter_sum[axis] / GPS_FILTER_VECTOR_LENGTH + (GPS_degree[axis] * 10000000);
if (nav_mode == NAV_MODE_POSHOLD) { // we use gps averaging only in poshold mode...
if (fraction3[axis] > 1 && fraction3[axis] < 999)
GPS_coord[axis] = GPS_filtered[axis];
}
}
#endif
//
// Calculate time delta for navigation loop, range 0-1.0f, in seconds
//
// Time for calculating x,y speed and navigation pids
dTnav = (float)(millis() - nav_loopTimer) / 1000.0f;
nav_loopTimer = millis();
// prevent runup from bad GPS
dTnav = min(dTnav, 1.0f);
GPS_calculateDistanceAndDirectionToHome();
// calculate the current velocity based on gps coordinates continously to get a valid speed at the moment when we start navigating
GPS_calc_velocity();
if (FLIGHT_MODE(GPS_HOLD_MODE) || FLIGHT_MODE(GPS_HOME_MODE)) {
// we are navigating
// gps nav calculations, these are common for nav and poshold
GPS_distance_cm_bearing(&GPS_coord[LAT], &GPS_coord[LON], &GPS_WP[LAT], &GPS_WP[LON], &wp_distance, &target_bearing);
GPS_calc_location_error(&GPS_WP[LAT], &GPS_WP[LON], &GPS_coord[LAT], &GPS_coord[LON]);
switch (nav_mode) {
case NAV_MODE_POSHOLD:
// Desired output is in nav_lat and nav_lon where 1deg inclination is 100
GPS_calc_poshold();
break;
case NAV_MODE_WP:
speed = GPS_calc_desired_speed(gpsProfile->nav_speed_max, NAV_SLOW_NAV); // slow navigation
// use error as the desired rate towards the target
// Desired output is in nav_lat and nav_lon where 1deg inclination is 100
GPS_calc_nav_rate(speed);
// Tail control
if (gpsProfile->nav_controls_heading) {
if (NAV_TAIL_FIRST) {
magHold = wrap_18000(nav_bearing - 18000) / 100;
} else {
magHold = nav_bearing / 100;
}
}
// Are we there yet ?(within x meters of the destination)
if ((wp_distance <= gpsProfile->gps_wp_radius) || check_missed_wp()) { // if yes switch to poshold mode
nav_mode = NAV_MODE_POSHOLD;
if (NAV_SET_TAKEOFF_HEADING) {
magHold = nav_takeoff_bearing;
}
}
break;
default:
break;
}
} //end of gps calcs
}
uint8_t GPS_NewData(void) {
uint8_t axis;
#if defined(I2C_GPS)
static uint8_t _i2c_gps_status;
//Do not use i2c_writereg, since writing a register does not work if an i2c_stop command is issued at the end
//Still investigating, however with separated i2c_repstart and i2c_write commands works... and did not caused i2c errors on a long term test.
GPS_numSat = (_i2c_gps_status & 0xf0) >> 4;
_i2c_gps_status = i2c_readReg(I2C_GPS_ADDRESS,I2C_GPS_STATUS_00); //Get status register
uint8_t *varptr;
#if defined(I2C_GPS_SONAR)
i2c_rep_start(I2C_GPS_ADDRESS<<1);
i2c_write(I2C_GPS_SONAR_ALT);
i2c_rep_start((I2C_GPS_ADDRESS<<1)|1);
varptr = (uint8_t *)&sonarAlt; // altitude (in cm? maybe)
*varptr++ = i2c_readAck();
*varptr = i2c_readNak();
#endif
if (_i2c_gps_status & I2C_GPS_STATUS_3DFIX) { //Check is we have a good 3d fix (numsats>5)
f.GPS_FIX = 1;
if (_i2c_gps_status & I2C_GPS_STATUS_NEW_DATA) { //Check about new data
GPS_Frame = 1;
i2c_rep_start(I2C_GPS_ADDRESS<<1);
i2c_write(I2C_GPS_LOCATION); //Start read from here 2x2 bytes distance and direction
i2c_rep_start((I2C_GPS_ADDRESS<<1)|1);
varptr = (uint8_t *)&GPS_coord[LAT]; // for latitude displaying
*varptr++ = i2c_readAck();
*varptr++ = i2c_readAck();
*varptr++ = i2c_readAck();
*varptr = i2c_readAck();
varptr = (uint8_t *)&GPS_coord[LON]; // for longitude displaying
*varptr++ = i2c_readAck();
*varptr++ = i2c_readAck();
*varptr++ = i2c_readAck();
*varptr = i2c_readNak();
i2c_rep_start(I2C_GPS_ADDRESS<<1);
i2c_write(I2C_GPS_GROUND_SPEED);
i2c_rep_start((I2C_GPS_ADDRESS<<1)|1);
varptr = (uint8_t *)&GPS_speed; // speed in cm/s for OSD
*varptr++ = i2c_readAck();
*varptr = i2c_readAck();
varptr = (uint8_t *)&GPS_altitude; // altitude in meters for OSD
*varptr++ = i2c_readAck();
*varptr = i2c_readAck();
varptr = (uint8_t *)&GPS_ground_course;
*varptr++ = i2c_readAck();
*varptr = i2c_readNak();
} else {
return 0;
}
} else {
f.GPS_FIX = 0;
return 0;
}
#endif
#if defined(GPS_SERIAL) || defined(GPS_FROM_OSD)
#if defined(GPS_SERIAL)
uint8_t c = SerialAvailable(GPS_SERIAL);
if (c==0) return 0;
while (c--) {
if (GPS_newFrame(SerialRead(GPS_SERIAL))) {
#elif defined(GPS_FROM_OSD)
{
if(GPS_update & 2) { // Once second bit of GPS_update is set, indicate new GPS datas is readed from OSD - all in right format.
GPS_update &= 1; // We have: GPS_fix(0-2), GPS_numSat(0-15), GPS_coord[LAT & LON](signed, in 1/10 000 000 degres), GPS_altitude(signed, in meters) and GPS_speed(in cm/s)
#endif
GPS_Frame = 1;
}
}
#endif
return 1;
}
uint8_t GPS_Compute(void) {
if (GPS_Frame == 0) return 0; else GPS_Frame = 0;
if (GPS_update == 1) GPS_update = 0; else GPS_update = 1;
if (f.GPS_FIX && GPS_numSat >= 5) {
#if !defined(DONT_RESET_HOME_AT_ARM)
if (!f.ARMED) {f.GPS_FIX_HOME = 0;}
#endif
if (!f.GPS_FIX_HOME && f.ARMED) {
GPS_reset_home_position();
}
//Apply moving average filter to GPS data
#if defined(GPS_FILTERING)
GPS_filter_index = (GPS_filter_index+1) % GPS_FILTER_VECTOR_LENGTH;
for (uint8_t axis = 0; axis< 2; axis++) {
GPS_read[axis] = GPS_coord[axis]; //latest unfiltered data is in GPS_latitude and GPS_longitude
GPS_degree[axis] = GPS_read[axis] / 10000000; // get the degree to assure the sum fits to the int32_t
// How close we are to a degree line ? its the first three digits from the fractions of degree
// later we use it to Check if we are close to a degree line, if yes, disable averaging,
fraction3[axis] = (GPS_read[axis]- GPS_degree[axis]*10000000) / 10000;
GPS_filter_sum[axis] -= GPS_filter[axis][GPS_filter_index];
GPS_filter[axis][GPS_filter_index] = GPS_read[axis] - (GPS_degree[axis]*10000000);
GPS_filter_sum[axis] += GPS_filter[axis][GPS_filter_index];
GPS_filtered[axis] = GPS_filter_sum[axis] / GPS_FILTER_VECTOR_LENGTH + (GPS_degree[axis]*10000000);
if ( nav_mode == NAV_MODE_POSHOLD) { //we use gps averaging only in poshold mode...
if ( fraction3[axis]>1 && fraction3[axis]<999 ) GPS_coord[axis] = GPS_filtered[axis];
}
}
#endif
//dTnav calculation
//Time for calculating x,y speed and navigation pids
static uint32_t nav_loopTimer;
dTnav = (float)(millis() - nav_loopTimer)/ 1000.0;
nav_loopTimer = millis();
// prevent runup from bad GPS
dTnav = min(dTnav, 1.0);
//calculate distance and bearings for gui and other stuff continously - From home to copter
uint32_t dist;
int32_t dir;
GPS_distance_cm_bearing(&GPS_coord[LAT],&GPS_coord[LON],&GPS_home[LAT],&GPS_home[LON],&dist,&dir);
GPS_distanceToHome = dist/100;
GPS_directionToHome = dir/100;
if (!f.GPS_FIX_HOME) { //If we don't have home set, do not display anything
GPS_distanceToHome = 0;
GPS_directionToHome = 0;
}
//calculate the current velocity based on gps coordinates continously to get a valid speed at the moment when we start navigating
GPS_calc_velocity();
if (f.GPS_HOLD_MODE || f.GPS_HOME_MODE){ //ok we are navigating
//do gps nav calculations here, these are common for nav and poshold
#if defined(GPS_LEAD_FILTER)
GPS_distance_cm_bearing(&GPS_coord_lead[LAT],&GPS_coord_lead[LON],&GPS_WP[LAT],&GPS_WP[LON],&wp_distance,&target_bearing);
GPS_calc_location_error(&GPS_WP[LAT],&GPS_WP[LON],&GPS_coord_lead[LAT],&GPS_coord_lead[LON]);
#else
GPS_distance_cm_bearing(&GPS_coord[LAT],&GPS_coord[LON],&GPS_WP[LAT],&GPS_WP[LON],&wp_distance,&target_bearing);
GPS_calc_location_error(&GPS_WP[LAT],&GPS_WP[LON],&GPS_coord[LAT],&GPS_coord[LON]);
#endif
switch (nav_mode) {
case NAV_MODE_POSHOLD:
//Desired output is in nav_lat and nav_lon where 1deg inclination is 100
GPS_calc_poshold();
break;
case NAV_MODE_WP:
int16_t speed = GPS_calc_desired_speed(NAV_SPEED_MAX, NAV_SLOW_NAV); //slow navigation
// use error as the desired rate towards the target
//Desired output is in nav_lat and nav_lon where 1deg inclination is 100
GPS_calc_nav_rate(speed);
//Tail control
if (NAV_CONTROLS_HEADING) {
if (NAV_TAIL_FIRST) {
magHold = wrap_18000(nav_bearing-18000)/100;
} else {
magHold = nav_bearing/100;
}
}
// Are we there yet ?(within 2 meters of the destination)
if ((wp_distance <= GPS_wp_radius) || check_missed_wp()){ //if yes switch to poshold mode
nav_mode = NAV_MODE_POSHOLD;
if (NAV_SET_TAKEOFF_HEADING) { magHold = nav_takeoff_bearing; }
}
break;
}
} //end of gps calcs
}
}
void GPS_reset_home_position(void) {
if (f.GPS_FIX && GPS_numSat >= 5) {
GPS_home[LAT] = GPS_coord[LAT];
GPS_home[LON] = GPS_coord[LON];
GPS_calc_longitude_scaling(GPS_coord[LAT]); //need an initial value for distance and bearing calc
nav_takeoff_bearing = att.heading; //save takeoff heading
//Set ground altitude
f.GPS_FIX_HOME = 1;
}
}
//reset navigation (stop the navigation processor, and clear nav)
void GPS_reset_nav(void) {
uint8_t i;
for(i=0;i<2;i++) {
nav_rated[i] = 0;
nav[i] = 0;
reset_PID(&posholdPID[i]);
reset_PID(&poshold_ratePID[i]);
reset_PID(&navPID[i]);
nav_mode = NAV_MODE_NONE;
}
}
//Get the relevant P I D values and set the PID controllers
void GPS_set_pids(void) {
posholdPID_PARAM.kP = (float)conf.pid[PIDPOS].P8/100.0;
posholdPID_PARAM.kI = (float)conf.pid[PIDPOS].I8/100.0;
posholdPID_PARAM.Imax = POSHOLD_RATE_IMAX * 100;
poshold_ratePID_PARAM.kP = (float)conf.pid[PIDPOSR].P8/10.0;
poshold_ratePID_PARAM.kI = (float)conf.pid[PIDPOSR].I8/100.0;
poshold_ratePID_PARAM.kD = (float)conf.pid[PIDPOSR].D8/1000.0;
poshold_ratePID_PARAM.Imax = POSHOLD_RATE_IMAX * 100;
navPID_PARAM.kP = (float)conf.pid[PIDNAVR].P8/10.0;
navPID_PARAM.kI = (float)conf.pid[PIDNAVR].I8/100.0;
navPID_PARAM.kD = (float)conf.pid[PIDNAVR].D8/1000.0;
navPID_PARAM.Imax = POSHOLD_RATE_IMAX * 100;
}
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 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 (rcModeIsActive(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
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);
beeperConfirmationBeeps(i);
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
}
/**
* @brief 遥控器动作处理函数
*
* @param None
* @retval None
*/
static void RC_DataSynth(void)
{
static uint8_t rcDelayCommand;
if(RC_RawData[THROTTLE] < cfg.mincheck)//油门处于最低时
{
rcDelayCommand++;
if (RC_RawData[YAW] < cfg.mincheck && RC_RawData[PITCH] < cfg.mincheck && !f.ARMED)
{ //左边:左下角,右边:下，在没解锁
if (rcDelayCommand == 20) //也就是说本动作要保持20x20ms=0.4s才有效
{
CalibratingG = 1000; //校准陀螺仪
CalibratingB=10; //校准气压计，也就是设定气压计原点
if (Feature(FEATURE_GPS))
GPS_reset_home_position();//重新设定原点
}
}
else if(!f.ARMED && RC_RawData[YAW] < cfg.mincheck && RC_RawData[PITCH] > cfg.maxcheck && RC_RawData[ROLL] > cfg.maxcheck)
{ //左边:左上角，右边:右下角，没解锁
if (rcDelayCommand == 20)
{
}
}
else if ((RC_RawData[YAW] < cfg.mincheck || (cfg.retarded_arm == 1 && RC_RawData[ROLL] < cfg.mincheck)) && f.ARMED)//上锁
{ //上锁
if (rcDelayCommand == 20)
f.ARMED = 0; //锁定
}
else if ((RC_RawData[YAW] > cfg.maxcheck || (RC_RawData[ROLL] > cfg.maxcheck && cfg.retarded_arm == 1)) && RC_RawData[PITCH] < cfg.maxcheck && !f.ARMED )//没有正在进行校准且校准正常
{ //解锁
if (rcDelayCommand == 20)
{
if(f.OK_TO_ARM)//允许解锁才能解锁
{
f.ARMED = 1;
HeadFreeModeHold = heading;
f.AUTOLANDING=0;
}
}
}
else
rcDelayCommand = 0; //清除动作保持时间计数
}
else if(RC_RawData[THROTTLE] > cfg.maxcheck && !f.ARMED)//油门最大且没有解锁
{
if (RC_RawData[YAW] < cfg.mincheck && RC_RawData[PITCH] < cfg.mincheck)
{ //左边：左下角，右边：上
if (rcDelayCommand == 20)
CalibratingA = 400; //触发加速度计校准 400
rcDelayCommand++;
}
else if (RC_RawData[YAW] > cfg.maxcheck && RC_RawData[PITCH] < cfg.mincheck)
{ //左边：右下角，，，右边：上
if (rcDelayCommand == 20)
f.CALIBRATE_MAG = 1; //电子罗盘校准请求
rcDelayCommand++;
}
else if (RC_RawData[PITCH] > cfg.maxcheck) //下面四个是加速度计微调
{ //左边：上。。。右边：上
cfg.angleTrim[PITCH] += 2; //角度微调增大 前
WRITE_TO_FLASH;//将参数写入FLASH
}
else if (RC_RawData[PITCH] < cfg.mincheck)
{ //左边：下。。。右边：上
cfg.angleTrim[PITCH] -= 2; //角度微调减小 后
WRITE_TO_FLASH;//将参数写入FLASH
}
else if (RC_RawData[ROLL] > cfg.maxcheck)
{ //左边：中间。。。右边：右上角
cfg.angleTrim[ROLL] += 2; //微调 右
WRITE_TO_FLASH;//将参数写入FLASH
}
else if (RC_RawData[ROLL] < cfg.mincheck)
{ //左边：中间。。。右边：左上角
cfg.angleTrim[ROLL] -= 2; //微调 左
WRITE_TO_FLASH;//将参数写入FLASH
}
else
rcDelayCommand = 0;
}
}
void processRcStickPositions(throttleStatus_e throttleStatus)
{
// time the sticks are maintained
static int16_t rcDelayMs;
// hold sticks position for command combos
static uint8_t rcSticks;
// an extra guard for disarming through switch to prevent that one frame can disarm it
static uint8_t rcDisarmTicks;
static bool doNotRepeat;
#ifdef USE_CMS
if (cmsInMenu) {
return;
}
#endif
// checking sticks positions
uint8_t stTmp = 0;
for (int 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 (rcDelayMs <= INT16_MAX - (getTaskDeltaTime(TASK_SELF) / 1000)) {
rcDelayMs += getTaskDeltaTime(TASK_SELF) / 1000;
}
} else {
rcDelayMs = 0;
doNotRepeat = false;
}
rcSticks = stTmp;
// perform actions
if (!isUsingSticksToArm) {
if (IS_RC_MODE_ACTIVE(BOXARM)) {
rcDisarmTicks = 0;
// Arming via ARM BOX
tryArm();
} else {
// Disarming via ARM BOX
resetArmingDisabled();
if (ARMING_FLAG(ARMED) && rxIsReceivingSignal() && !failsafeIsActive() ) {
rcDisarmTicks++;
if (rcDisarmTicks > 3) {
if (armingConfig()->disarm_kill_switch) {
disarm();
} else if (throttleStatus == THROTTLE_LOW) {
disarm();
}
}
}
}
} else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_CE) {
if (rcDelayMs >= ARM_DELAY_MS && !doNotRepeat) {
doNotRepeat = true;
// Disarm on throttle down + yaw
if (ARMING_FLAG(ARMED))
disarm();
else {
beeper(BEEPER_DISARM_REPEAT); // sound tone while stick held
repeatAfter(STICK_AUTOREPEAT_MS); // disarm tone will repeat
}
}
return;
} else if (rcSticks == THR_LO + YAW_HI + PIT_CE + ROL_CE) {
if (rcDelayMs >= ARM_DELAY_MS && !doNotRepeat) {
doNotRepeat = true;
if (!ARMING_FLAG(ARMED)) {
// Arm via YAW
tryArm();
} else {
resetArmingDisabled();
}
}
return;
}
if (ARMING_FLAG(ARMED) || doNotRepeat || rcDelayMs <= STICK_DELAY_MS) {
return;
}
doNotRepeat = true;
// actions during not armed
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_CE) {
// GYRO calibration
gyroStartCalibration(false);
#ifdef USE_GPS
if (feature(FEATURE_GPS)) {
GPS_reset_home_position();
}
#endif
#ifdef USE_BARO
if (sensors(SENSOR_BARO))
baroSetCalibrationCycles(10); // calibrate baro to new ground level (10 * 25 ms = ~250 ms non blocking)
#endif
return;
}
if (feature(FEATURE_INFLIGHT_ACC_CAL) && (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_HI)) {
// Inflight ACC Calibration
handleInflightCalibrationStickPosition();
return;
}
// Change PID profile
int newPidProfile = 0;
if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_LO) { // ROLL left -> PID profile 1
newPidProfile = 1;
} else if (rcSticks == THR_LO + YAW_LO + PIT_HI + ROL_CE) { // PITCH up -> PID profile 2
newPidProfile = 2;
} else if (rcSticks == THR_LO + YAW_LO + PIT_CE + ROL_HI) { // ROLL right -> PID profile 3
newPidProfile = 3;
}
if (newPidProfile) {
changePidProfile(newPidProfile - 1);
return;
}
if (rcSticks == THR_LO + YAW_LO + PIT_LO + ROL_HI) {
saveConfigAndNotify();
}
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;
}
if (FLIGHT_MODE(ANGLE_MODE|HORIZON_MODE)) {
// in ANGLE or HORIZON mode, so use sticks to apply accelerometer trims
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);
repeatAfter(STICK_AUTOREPEAT_MS);
return;
}
} else {
// in ACRO mode, so use sticks to change RATE profile
switch (rcSticks) {
case THR_HI + YAW_CE + PIT_HI + ROL_CE:
changeControlRateProfile(0);
return;
case THR_HI + YAW_CE + PIT_LO + ROL_CE:
changeControlRateProfile(1);
return;
case THR_HI + YAW_CE + PIT_CE + ROL_HI:
changeControlRateProfile(2);
return;
case THR_HI + YAW_CE + PIT_CE + ROL_LO:
changeControlRateProfile(3);
return;
}
}
#ifdef USE_DASHBOARD
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_LO) {
dashboardDisablePageCycling();
}
if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_HI) {
dashboardEnablePageCycling();
}
#endif
#ifdef USE_VTX_CONTROL
if (rcSticks == THR_HI + YAW_LO + PIT_CE + ROL_HI) {
vtxIncrementBand();
}
if (rcSticks == THR_HI + YAW_LO + PIT_CE + ROL_LO) {
vtxDecrementBand();
}
if (rcSticks == THR_HI + YAW_HI + PIT_CE + ROL_HI) {
vtxIncrementChannel();
}
if (rcSticks == THR_HI + YAW_HI + PIT_CE + ROL_LO) {
vtxDecrementChannel();
}
#endif
#ifdef USE_CAMERA_CONTROL
if (rcSticks == THR_CE + YAW_HI + PIT_CE + ROL_CE) {
cameraControlKeyPress(CAMERA_CONTROL_KEY_ENTER, 0);
repeatAfter(3 * STICK_DELAY_MS);
} else if (rcSticks == THR_CE + YAW_CE + PIT_CE + ROL_LO) {
cameraControlKeyPress(CAMERA_CONTROL_KEY_LEFT, 0);
repeatAfter(3 * STICK_DELAY_MS);
} else if (rcSticks == THR_CE + YAW_CE + PIT_HI + ROL_CE) {
cameraControlKeyPress(CAMERA_CONTROL_KEY_UP, 0);
repeatAfter(3 * STICK_DELAY_MS);
} else if (rcSticks == THR_CE + YAW_CE + PIT_CE + ROL_HI) {
cameraControlKeyPress(CAMERA_CONTROL_KEY_RIGHT, 0);
repeatAfter(3 * STICK_DELAY_MS);
} else if (rcSticks == THR_CE + YAW_CE + PIT_LO + ROL_CE) {
cameraControlKeyPress(CAMERA_CONTROL_KEY_DOWN, 0);
repeatAfter(3 * STICK_DELAY_MS);
} else if (rcSticks == THR_LO + YAW_CE + PIT_HI + ROL_CE) {
cameraControlKeyPress(CAMERA_CONTROL_KEY_UP, 2000);
}
#endif
}
/*******************************************************************************
** Main Function main()
*******************************************************************************/
int main (void)
{
/* Basic chip initialization is taken care of in SystemInit() called
* from the startup code. SystemInit() and chip settings are defined
* in the CMSIS system_<part family>.c file.
*/
setup();
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
uint8_t axis,i;
int16_t delta,deltaSum;
int16_t PTerm,ITerm,DTerm;
static int16_t lastGyro[3] = {0,0,0};
static int16_t delta1[3],delta2[3];
static int16_t errorAngleI[2] = {0,0};
static uint32_t rcTime = 0;
static int16_t initialThrottleHold;
int16_t error,errorAngle =0;
#if PIDcontroller ==1
static int16_t errorGyroI[3] = {0,0,0};
#elif PIDcontroller == 2
int32_t AngleRateTmp = 0, RateError = 0, AngleITerm = 0;
static int32_t errorGyroI[3] = {0,0,0};
#endif
#define RC_FREQ 50
while(1)
{
#ifdef LCD_TELEMETRY_STEP
static char telemetryStepSequence [] = LCD_TELEMETRY_STEP;
static uint8_t telemetryStepIndex = 0;
#endif
#if defined(SPEKTRUM)
if (rcFrameComplete) computeRC();
#endif
#if defined(OPENLRSv2MULTI)
Read_OpenLRS_RC();
#endif
if ((currentTime > rcTime) || rcTime > (currentTime + 20000)) { // 50Hz + additional check to ensure rcTime can reach currentTime
rcTime = currentTime + 20000;
computeRC();
//reset watchdog timer in RC loop to ensure user is not locked out of control
feedWatchDog();
// Failsafe routine - added by MIS
#if defined(FAILSAFE)
if ( failsafeCnt > (5*FAILSAVE_DELAY) && f.ARMED) { // Stabilize, and set Throttle to specified level
for(i=0; i<3; i++) rcData[i] = MIDRC; // after specified guard time after RC signal is lost (in 0.1sec)
rcData[THROTTLE] = FAILSAVE_THROTTLE;
if (failsafeCnt > 5*(FAILSAVE_DELAY+FAILSAVE_OFF_DELAY)) { // Turn OFF motors after specified Time (in 0.1sec)
f.ARMED = 0; // 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*FAILSAVE_DELAY) && !f.ARMED) { //Turn of "Ok To arm to prevent the motors from spinning after repowering the RX with low throttle and aux to arm
f.ARMED = 0; // 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++;
#endif
// end of failsave routine - next change is made with RcOptions setting
if (rcData[THROTTLE] < MINCHECK) {
errorGyroI[ROLL] = 0; errorGyroI[PITCH] = 0; errorGyroI[YAW] = 0;
errorAngleI[ROLL] = 0; errorAngleI[PITCH] = 0;
rcDelayCommand++;
if (rcData[YAW] < MINCHECK && rcData[PITCH] < MINCHECK && !f.ARMED) {
if (rcDelayCommand == 20) {
calibratingG=400;
#if GPS
GPS_reset_home_position();
#endif
}
} else if (rcData[YAW] > MAXCHECK && rcData[PITCH] > MAXCHECK && !f.ARMED) {
if (rcDelayCommand == 20) {
#ifdef TRI
servo[5] = 1500; // we center the yaw servo in conf mode
writeServos();
#endif
#ifdef FLYING_WING
servo[0] = conf.wing_left_mid;
servo[1] = conf.wing_right_mid;
writeServos();
#endif
#ifdef AIRPLANE
for(i = 4; i<7 ;i++) servo[i] = 1500;
writeServos();
#endif
#if defined(LCD_CONF)
configurationLoop(); // beginning LCD configuration
#endif
previousTime = micros();
}
}
#if defined(INFLIGHT_ACC_CALIBRATION)
else if (!f.ARMED && rcData[YAW] < MINCHECK && rcData[PITCH] > MAXCHECK && rcData[ROLL] > MAXCHECK){
if (rcDelayCommand == 20){
if (AccInflightCalibrationMeasurementDone){ // trigger saving into eeprom after landing
AccInflightCalibrationMeasurementDone = 0;
AccInflightCalibrationSavetoEEProm = 1;
}else{
AccInflightCalibrationArmed = !AccInflightCalibrationArmed;
#if defined(BUZZER)
if (AccInflightCalibrationArmed){
toggleBeep = 2;
} else {
toggleBeep = 3;
}
#endif
}
}
}
#endif
else if (conf.activate[BOXARM] > 0) {
if ( rcOptions[BOXARM] && f.OK_TO_ARM
#if defined(FAILSAFE)
&& failsafeCnt <= 1
#endif
) {
f.ARMED = 1;
headFreeModeHold = heading;
} else if (f.ARMED) f.ARMED = 0;
rcDelayCommand = 0;
#ifdef ALLOW_ARM_DISARM_VIA_TX_YAW
} else if ( (rcData[YAW] < MINCHECK ) && f.ARMED) {
if (rcDelayCommand == 20) f.ARMED = 0; // rcDelayCommand = 20 => 20x20ms = 0.4s = time to wait for a specific RC command to be acknowledged
} else if ( (rcData[YAW] > MAXCHECK ) && rcData[PITCH] < MAXCHECK && !f.ARMED && calibratingG == 0 && f.ACC_CALIBRATED) {
if (rcDelayCommand == 20) {
f.ARMED = 1;
headFreeModeHold = heading;
}
#endif
#ifdef ALLOW_ARM_DISARM_VIA_TX_ROLL
} else if ( (rcData[ROLL] < MINCHECK) && f.ARMED) {
if (rcDelayCommand == 20) f.ARMED = 0; // rcDelayCommand = 20 => 20x20ms = 0.4s = time to wait for a specific RC command to be acknowledged
} else if ( (rcData[ROLL] > MAXCHECK) && rcData[PITCH] < MAXCHECK && !f.ARMED && calibratingG == 0 && f.ACC_CALIBRATED) {
if (rcDelayCommand == 20) {
f.ARMED = 1;
headFreeModeHold = heading;
}
#endif
#ifdef LCD_TELEMETRY_AUTO
} else if (rcData[ROLL] < MINCHECK && rcData[PITCH] > MAXCHECK && !f.ARMED) {
if (rcDelayCommand == 20) {
if (telemetry_auto) {
telemetry_auto = 0;
telemetry = 0;
} else
telemetry_auto = 1;
}
#endif
#ifdef LCD_TELEMETRY_STEP
} else if (rcData[ROLL] > MAXCHECK && rcData[PITCH] > MAXCHECK && !f.ARMED) {
if (rcDelayCommand == 20) {
telemetry = telemetryStepSequence[++telemetryStepIndex % strlen(telemetryStepSequence)];
LCDclear(); // make sure to clear away remnants
}
#endif
} else
rcDelayCommand = 0;
} else if (rcData[THROTTLE] > MAXCHECK && !f.ARMED) {
if (rcData[YAW] < MINCHECK && rcData[PITCH] < MINCHECK) { // throttle=max, yaw=left, pitch=min
if (rcDelayCommand == 20) calibratingA=400;
rcDelayCommand++;
} else if (rcData[YAW] > MAXCHECK && rcData[PITCH] < MINCHECK) { // throttle=max, yaw=right, pitch=min
if (rcDelayCommand == 20) f.CALIBRATE_MAG = 1; // MAG calibration request
rcDelayCommand++;
} else if (rcData[PITCH] > MAXCHECK) {
conf.angleTrim[PITCH]+=2;writeParams(1);
#if defined(LED_RING)
blinkLedRing();
#endif
} else if (rcData[PITCH] < MINCHECK) {
conf.angleTrim[PITCH]-=2;writeParams(1);
#if defined(LED_RING)
blinkLedRing();
#endif
} else if (rcData[ROLL] > MAXCHECK) {
conf.angleTrim[ROLL]+=2;writeParams(1);
#if defined(LED_RING)
blinkLedRing();
#endif
} else if (rcData[ROLL] < MINCHECK) {
conf.angleTrim[ROLL]-=2;writeParams(1);
#if defined(LED_RING)
blinkLedRing();
#endif
} else {
rcDelayCommand = 0;
}
}
#if defined(LED_FLASHER)
led_flasher_autoselect_sequence();
#endif
#if defined(INFLIGHT_ACC_CALIBRATION)
if (AccInflightCalibrationArmed && f.ARMED && rcData[THROTTLE] > MINCHECK && !rcOptions[BOXARM] ){ // Copter is airborne and you are turning it off via boxarm : start measurement
InflightcalibratingA = 50;
AccInflightCalibrationArmed = 0;
}
if (rcOptions[BOXPASSTHRU]) { // Use the Passthru Option to activate : Passthru = TRUE Meausrement started, Land and passtrhu = 0 measurement stored
if (!AccInflightCalibrationActive && !AccInflightCalibrationMeasurementDone){
InflightcalibratingA = 50;
}
}else if(AccInflightCalibrationMeasurementDone && !f.ARMED){
AccInflightCalibrationMeasurementDone = 0;
AccInflightCalibrationSavetoEEProm = 1;
}
#endif
uint16_t auxState = 0;
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 & conf.activate[i])>0;
// note: if FAILSAFE is disable, failsafeCnt > 5*FAILSAVE_DELAY is always false
if (( rcOptions[BOXACC] || (failsafeCnt > 5*FAILSAVE_DELAY) ) && ACC ) {
// bumpless transfer to Level mode
if (!f.ACC_MODE) {
errorAngleI[ROLL] = 0; errorAngleI[PITCH] = 0;
f.ACC_MODE = 1;
}
} else {
// failsafe support
f.ACC_MODE = 0;
}
if (rcOptions[BOXARM] == 0) f.OK_TO_ARM = 1;
//if (f.ACC_MODE) {STABLEPIN_ON;} else {STABLEPIN_OFF;}
#if BARO
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;
}
#endif
#if 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 GPS
#if defined(I2C_NAV)
static uint8_t GPSNavReset = 1;
if (f.GPS_FIX && GPS_numSat >= 5 ) {
if (!rcOptions[BOXGPSHOME] && !rcOptions[BOXGPSHOLD] )
{ //Both boxes are unselected
if (GPSNavReset == 0 ) {
GPSNavReset = 1;
GPS_reset_nav();
}
}
if (rcOptions[BOXGPSHOME]) {
if (!f.GPS_HOME_MODE) {
f.GPS_HOME_MODE = 1;
GPSNavReset = 0;
GPS_I2C_command(I2C_GPS_COMMAND_START_NAV,0); //waypoint zero
}
} else {
f.GPS_HOME_MODE = 0;
}
if (rcOptions[BOXGPSHOLD]) {
if (!f.GPS_HOLD_MODE & !f.GPS_HOME_MODE) {
f.GPS_HOLD_MODE = 1;
GPSNavReset = 0;
GPS_I2C_command(I2C_GPS_COMMAND_POSHOLD,0);
}
} else {
f.GPS_HOLD_MODE = 0;
}
}
#endif
#if defined(GPS_SERIAL) || defined(TINY_GPS) || defined(GPS_FROM_OSD)||defined(I2C_GPS)
if (f.GPS_FIX && GPS_numSat >= 5 ) {
if (rcOptions[BOXGPSHOME]) {
if (!f.GPS_HOME_MODE) {
f.GPS_HOME_MODE = 1;
GPS_set_next_wp(&GPS_home[LAT],&GPS_home[LON]);
nav_mode = NAV_MODE_WP;
}
} else {
f.GPS_HOME_MODE = 0;
}
if (rcOptions[BOXGPSHOLD]) {
if (!f.GPS_HOLD_MODE) {
f.GPS_HOLD_MODE = 1;
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;
}
}
#endif
#endif
#ifdef FLOW
if(rcOptions[BOXFLOWHOLD])
{
if (!f.FLOW_HOLD_MODE)
{
f.FLOW_HOLD_MODE = 1;
GPS_hold[LAT] = GPS_coord[LAT];
GPS_hold[LON] = GPS_coord[LON];
flow_set_next_wp(&GPS_hold[LAT],&GPS_hold[LON]);
nav_mode = NAV_MODE_POSHOLD;
}
//debug[1] = 1;
}
else
{
f.FLOW_HOLD_MODE = 0;
//debug[1] = 0;
}
#endif
if (rcOptions[BOXPASSTHRU]) {f.PASSTHRU_MODE = 1;}
else {f.PASSTHRU_MODE = 0;}
#ifdef FIXEDWING
f.HEADFREE_MODE = 0;
#endif
} else { // not in rc loop
static uint8_t taskOrder=0; // never call all functions in the same loop, to avoid high delay spikes
if(taskOrder>4) taskOrder-=5;
switch (taskOrder) {
case 0:
taskOrder++;
#if MAG
if (Mag_getADC()) break; // max 350 µs (HMC5883) // only break when we actually did something
#endif
case 1:
taskOrder++;
#if BARO
if (Baro_update() != 0 ) break;
#endif
case 2:
taskOrder++;
#if BARO
if (getEstimatedAltitude() !=0) break;
#endif
case 3:
taskOrder++;
if(flowUpdate() !=0) break;
#if GPS
if(GPS_Enable) GPS_NewData();
break;
#endif
case 4:
taskOrder++;
#if SONAR
#if !defined(MAXSONAR_PWM) && !defined(FLOW)
Sonar_update();
#endif
//debug[2] = sonarAlt;
#endif
#ifdef LANDING_LIGHTS_DDR
auto_switch_landing_lights();
#endif
#ifdef VARIOMETER
if (f.VARIO_MODE) vario_signaling();
#endif
break;
}
}
computeIMU();
// Measure loop rate just afer reading the sensors
currentTime = micros();
cycleTime = currentTime - previousTime;
previousTime = currentTime;
//delayMs(500);
//if(cycleTime > 3150)
// debug[0]++;
#if MAG
if (fabs(rcCommand[YAW]) <70 && f.MAG_MODE) {
int16_t dif = heading - magHold;
if (dif <= - 180) dif += 360;
if (dif >= + 180) dif -= 360;
if ( f.SMALL_ANGLES_25 ) rcCommand[YAW] -= dif*conf.P8[PIDMAG]/30; // 18 deg
} else magHold = heading;
#endif
#if BARO
if (f.BARO_MODE) {
if (fabs(rcCommand[THROTTLE]-initialThrottleHold)>ALT_HOLD_THROTTLE_NEUTRAL_ZONE) {
f.BARO_MODE = 0; // so that a new althold reference is defined
}
rcCommand[THROTTLE] = initialThrottleHold + BaroPID;
}
#endif
#if GPS
if ( (!f.GPS_HOME_MODE && !f.GPS_HOLD_MODE) || !f.GPS_FIX_HOME ) {
GPS_reset_nav(); // If GPS is not activated. Reset nav loops and all nav related parameters
GPS_angle[ROLL] = 0;
GPS_angle[PITCH] = 0;
} else {
float sin_yaw_y = sinf(heading*0.0174532925f);
float cos_yaw_x = cosf(heading*0.0174532925f);
#if defined(NAV_SLEW_RATE)
nav_rated[LON] += constrain(wrap_18000(nav[LON]-nav_rated[LON]),-NAV_SLEW_RATE,NAV_SLEW_RATE);
nav_rated[LAT] += constrain(wrap_18000(nav[LAT]-nav_rated[LAT]),-NAV_SLEW_RATE,NAV_SLEW_RATE);
GPS_angle[ROLL] = (nav_rated[LON]*cos_yaw_x - nav_rated[LAT]*sin_yaw_y) /10;
GPS_angle[PITCH] = (nav_rated[LON]*sin_yaw_y + nav_rated[LAT]*cos_yaw_x) /10;
#else
GPS_angle[ROLL] = (nav[LON]*cos_yaw_x - nav[LAT]*sin_yaw_y) /10;
GPS_angle[PITCH] = (nav[LON]*sin_yaw_y + nav[LAT]*cos_yaw_x) /10;
#endif
}
//debug[2] = GPS_angle[ROLL];
//debug[3] = GPS_angle[PITCH];
#endif
#ifdef FLOW
if (!f.FLOW_HOLD_MODE) {
flow_reset_nav(); // If GPS is not activated. Reset nav loops and all nav related parameters
GPS_angle[ROLL] = 0;
GPS_angle[PITCH] = 0;
} else {
float sin_yaw_y = sinf(heading*0.0174532925f);
float cos_yaw_x = cosf(heading*0.0174532925f);
#if defined(NAV_SLEW_RATE)
nav_rated[LON] += constrain(wrap_18000(nav[LON]-nav_rated[LON]),-NAV_SLEW_RATE,NAV_SLEW_RATE);
nav_rated[LAT] += constrain(wrap_18000(nav[LAT]-nav_rated[LAT]),-NAV_SLEW_RATE,NAV_SLEW_RATE);
GPS_angle[ROLL] = (nav_rated[LON]*cos_yaw_x - nav_rated[LAT]*sin_yaw_y) /10;
GPS_angle[PITCH] = (nav_rated[LON]*sin_yaw_y + nav_rated[LAT]*cos_yaw_x) /10;
#else
GPS_angle[ROLL] = (nav[LON]*cos_yaw_x - nav[LAT]*sin_yaw_y) /10;
GPS_angle[PITCH] = (nav[LON]*sin_yaw_y + nav[LAT]*cos_yaw_x) /10;
#endif
}
//debug[2] = GPS_angle[ROLL];
//debug[3] = GPS_angle[PITCH];
#endif
#if PIDcontroller == 1
//**** PITCH & ROLL & YAW PID ****
for(axis=0;axis<3;axis++) {
if (f.ACC_MODE && axis<2 ) { //LEVEL MODE
// 50 degrees max inclination
errorAngle = constrain(2*rcCommand[axis] + GPS_angle[axis],-500,+500) - angle[axis] + conf.angleTrim[axis]; //16 bits is ok here
#ifdef LEVEL_PDF
PTerm = -(int32_t)angle[axis]*conf.P8[PIDLEVEL]/100 ;
#else
PTerm = (int32_t)errorAngle*conf.P8[PIDLEVEL]/100 ; // 32 bits is needed for calculation: errorAngle*P8[PIDLEVEL] could exceed 32768 16 bits is ok for result
#endif
PTerm = constrain(PTerm,-conf.D8[PIDLEVEL]*5,+conf.D8[PIDLEVEL]*5);
errorAngleI[axis] = constrain(errorAngleI[axis]+errorAngle,-10000,+10000); // WindUp //16 bits is ok here
ITerm = ((int32_t)errorAngleI[axis]*conf.I8[PIDLEVEL])>>12; // 32 bits is needed for calculation:10000*I8 could exceed 32768 16 bits is ok for result
} else { //ACRO MODE or YAW axis
if (fabs(rcCommand[axis])<350) error = rcCommand[axis]*10*8/conf.P8[axis] ; // 16 bits is needed for calculation: 350*10*8 = 28000 16 bits is ok for result if P8>2 (P>0.2)
else error = (int32_t)rcCommand[axis]*10*8/conf.P8[axis] ; // 32 bits is needed for calculation: 500*5*10*8 = 200000 16 bits is ok for result if P8>2 (P>0.2)
error -= gyroData[axis];
PTerm = rcCommand[axis];
errorGyroI[axis] = constrain(errorGyroI[axis]+error,-16000,+16000); // WindUp 16 bits is ok here
if (fabs(gyroData[axis])>640) errorGyroI[axis] = 0;
ITerm = (errorGyroI[axis]/125*conf.I8[axis])>>6; // 16 bits is ok here 16000/125 = 128 ; 128*250 = 32000
}
if (fabs(gyroData[axis])<160) PTerm -= gyroData[axis]*dynP8[axis]/10/8; // 16 bits is needed for calculation 160*200 = 32000 16 bits is ok for result
else PTerm -= (int32_t)gyroData[axis]*dynP8[axis]/10/8; // 32 bits is needed for calculation
delta = gyroData[axis] - lastGyro[axis]; // 16 bits is ok here, the dif between 2 consecutive gyro reads is limited to 800
lastGyro[axis] = gyroData[axis];
deltaSum = delta1[axis]+delta2[axis]+delta;
delta2[axis] = delta1[axis];
delta1[axis] = delta;
if (fabs(deltaSum)<640) DTerm = (deltaSum*dynD8[axis])>>5; // 16 bits is needed for calculation 640*50 = 32000 16 bits is ok for result
else DTerm = ((int32_t)deltaSum*dynD8[axis])>>5; // 32 bits is needed for calculation
