static ALWAYS_INLINE void handleFuel(uint32_t eventIndex, int rpm DECLARE_ENGINE_PARAMETER_S) {
if (!isInjectionEnabled(engine->engineConfiguration))
return;
efiAssertVoid(getRemainingStack(chThdSelf()) > 128, "lowstck#3");
efiAssertVoid(eventIndex < engine->triggerShape.getLength(), "handleFuel/event index");
/**
* Ignition events are defined by addFuelEvents() according to selected
* fueling strategy
*/
FuelSchedule *fs =
isCrankingR(rpm) ?
&ENGINE(engineConfiguration2)->crankingInjectionEvents : &engine->engineConfiguration2->injectionEvents;
InjectionEventList *source = &fs->events;
if (!fs->hasEvents[eventIndex])
return;
engine->tpsAccelEnrichment.onEngineCycleTps(PASS_ENGINE_PARAMETER_F);
engine->mapAccelEnrichment.onEngineCycle(PASS_ENGINE_PARAMETER_F);
ENGINE(fuelMs) = getFuelMs(rpm PASS_ENGINE_PARAMETER) * engineConfiguration->globalFuelCorrection;
for (int i = 0; i < source->size; i++) {
InjectionEvent *event = &source->elements[i];
if (event->injectionStart.eventIndex != eventIndex)
continue;
handleFuelInjectionEvent(event, rpm PASS_ENGINE_PARAMETER);
}
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
/**
* #259 BUG error: not positive timeUs
* Once in a while we night get an interrupt where we do not expect it
*/
if (timeUs <= 0) {
timerFreezeCounter++;
warning(CUSTOM_OBD_42, "local freeze cnt=%d", timerFreezeCounter);
}
if (timeUs < 2)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(timeUs > 0, "not positive timeUs");
efiAssertVoid(timeUs < 10 * US_PER_SECOND, "setHardwareUsTimer() too large");
if (GPTDEVICE.state == GPT_ONESHOT)
gptStopTimerI(&GPTDEVICE);
efiAssertVoid(GPTDEVICE.state == GPT_READY, "hw timer");
if (hasFirmwareError())
return;
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
void startInputDriver(const char *msg, /*nullable*/digital_input_s *hw, bool isActiveHigh) {
if (hw == NULL) {
// we can get NULL driver if user somehow has invalid pin in his configuration
warning(CUSTOM_ERR_INVALID_INPUT_ICU_PIN, "s_not input pin");
return;
}
hw->isActiveHigh = isActiveHigh;
if (hw->isActiveHigh) {
wave_icucfg.mode = ICU_INPUT_ACTIVE_HIGH;
} else {
wave_icucfg.mode = ICU_INPUT_ACTIVE_LOW;
}
ICUDriver *driver = hw->driver;
if (driver != NULL) {
if (hw->started) {
icuDisableNotificationsI(driver);
icuStopCapture(driver);
icuStop(driver);
}
wave_icucfg.channel = getInputCaptureChannel(hw->brainPin);
efiIcuStart(msg, driver, &wave_icucfg);
efiAssertVoid(CUSTOM_ERR_6672, driver != NULL, "di: driver is NULL");
efiAssertVoid(CUSTOM_ERR_6673, driver->state == ICU_READY, "di: driver not ready");
icuStartCapture(driver); // this would change state from READY to WAITING
icuEnableNotifications(driver);
}
hw->started = true;
}
static ALWAYS_INLINE void handleFuel(bool limitedFuel, uint32_t eventIndex, int rpm DECLARE_ENGINE_PARAMETER_S) {
if (!isInjectionEnabled(engineConfiguration))
return;
efiAssertVoid(getRemainingStack(chThdSelf()) > 128, "lowstck#3");
efiAssertVoid(eventIndex < ENGINE(triggerShape.getLength()), "handleFuel/event index");
/**
* Ignition events are defined by addFuelEvents() according to selected
* fueling strategy
*/
FuelSchedule *fs = ENGINE(engineConfiguration2)->injectionEvents;
InjectionEventList *source = &fs->injectionEvents;
if (!fs->hasEvents[eventIndex])
return;
ENGINE(tpsAccelEnrichment.onNewValue(getTPS(PASS_ENGINE_PARAMETER_F) PASS_ENGINE_PARAMETER));
ENGINE(engineLoadAccelEnrichment.onEngineCycle(PASS_ENGINE_PARAMETER_F));
ENGINE(fuelMs) = getFuelMs(rpm PASS_ENGINE_PARAMETER) * CONFIG(globalFuelCorrection);
for (int i = 0; i < source->size; i++) {
InjectionEvent *event = &source->elements[i];
if (event->injectionStart.eventIndex != eventIndex)
continue;
handleFuelInjectionEvent(i, limitedFuel, event, rpm PASS_ENGINE_PARAMETER);
}
}
void PwmConfig::weComplexInit(const char *msg, int phaseCount, float *switchTimes, int waveCount,
pin_state_t **pinStates, pwm_cycle_callback *pwmCycleCallback, pwm_gen_callback *stateChangeCallback) {
efiAssertVoid(periodNt != 0, "period is not initialized");
if (phaseCount == 0) {
firmwareError(CUSTOM_ERR_PWM_1, "signal length cannot be zero");
return;
}
if (phaseCount > PWM_PHASE_MAX_COUNT) {
firmwareError(CUSTOM_ERR_PWM_2, "too many phases in PWM");
return;
}
efiAssertVoid(waveCount > 0, "waveCount should be positive");
checkSwitchTimes2(phaseCount, switchTimes);
this->pwmCycleCallback = pwmCycleCallback;
this->stateChangeCallback = stateChangeCallback;
multiWave.waveCount = waveCount;
copyPwmParameters(this, phaseCount, switchTimes, waveCount, pinStates);
safe.phaseIndex = 0;
safe.periodNt = -1;
safe.iteration = -1;
// let's start the indefinite callback loop of PWM generation
timerCallback(this);
}
void configureMiniCooperTriggerShape(TriggerShape *s) {
s->initialize(FOUR_STROKE_CAM_SENSOR, true);
// s->initialState[0] = 1;
float w = 360.0 / 121;
float a = w / 2;
s->addEvent720(a, T_SECONDARY, TV_FALL);
a += w;
for (int i = 0; i <= 22; i++) {
a = addPair(s, a, w);
}
a += 3 * w;
float firstGapAngle = a;
/* may be */UNUSED(firstGapAngle);
s->addEvent720(a, T_SECONDARY, TV_RISE);
a += 3 * w;
s->addEvent720(a, T_SECONDARY, TV_FALL);
a += w;
for (int i = 0; i < 36; i++) {
a = addPair(s, a, w);
}
s->addEvent720(376, T_PRIMARY, TV_RISE);
for (int i = 0; i < 21; i++) {
a = addPair(s, a, w);
}
a += 3 * w;
efiAssertVoid(CUSTOM_ERR_6584, absF(firstGapAngle + 360 - a) < 0.1, "shape constraint");
s->addEvent720(a, T_SECONDARY, TV_RISE);
a += 3 * w;
s->addEvent720(a, T_SECONDARY, TV_FALL);
a += w;
for (int i = 0; i < 33; i++) {
a = addPair(s, a, w);
}
efiAssertVoid(CUSTOM_ERR_6585, absF(720 - w / 2 - a) < 0.1, "shape constraint");
s->addEvent720(a, T_SECONDARY, TV_RISE);
s->addEvent720(720.0, T_PRIMARY, TV_FALL);
/**
* With just one tooth on camshaft synchronization is not needed
*/
s->isSynchronizationNeeded = false;
s->useOnlyPrimaryForSync = true;
}
void configureMiniCooperTriggerShape(TriggerShape *s) {
s->reset(FOUR_STROKE_CAM_SENSOR, true);
// s->initialState[0] = 1;
float w = 360.0 / 121;
float a = w / 2;
s->addEvent(a, T_SECONDARY, TV_LOW);
a += w;
for (int i = 0; i <= 22; i++) {
a = addPair(s, a, w);
}
a += 3 * w;
float firstGapAngle = a;
s->addEvent(a, T_SECONDARY, TV_HIGH);
a += 3 * w;
s->addEvent(a, T_SECONDARY, TV_LOW);
a += w;
for (int i = 0; i < 36; i++) {
a = addPair(s, a, w);
}
s->addEvent(376, T_PRIMARY, TV_HIGH);
for (int i = 0; i < 21; i++) {
a = addPair(s, a, w);
}
a += 3 * w;
efiAssertVoid(absF(firstGapAngle + 360 - a) < 0.1, "shape constraint");
s->addEvent(a, T_SECONDARY, TV_HIGH);
a += 3 * w;
s->addEvent(a, T_SECONDARY, TV_LOW);
a += w;
for (int i = 0; i < 33; i++) {
a = addPair(s, a, w);
}
efiAssertVoid(absF(720 - w / 2 - a) < 0.1, "shape constraint");
s->addEvent(a, T_SECONDARY, TV_HIGH);
s->addEvent(720.0, T_PRIMARY, TV_LOW);
/**
* With just one tooth on camshaft synchronization is not needed
*/
s->isSynchronizationNeeded = false;
}
static void applyIdleSolenoidPinState(PwmConfig *state, int stateIndex) {
efiAssertVoid(stateIndex < PWM_PHASE_MAX_COUNT, "invalid stateIndex");
efiAssertVoid(state->multiWave.waveCount == 1, "invalid idle waveCount");
OutputPin *output = state->outputPins[0];
int value = state->multiWave.waves[0].pinStates[stateIndex];
if (!value /* always allow turning solenoid off */ ||
(engine->rpmCalculator.rpmValue != 0 || timeToStopIdleTest != 0) /* do not run solenoid unless engine is spinning or bench testing in progress */
) {
output->setValue(value);
}
}
void initializeSkippedToothTriggerShapeExt(TriggerShape *s, int totalTeethCount, int skippedCount,
operation_mode_e operationMode) {
efiAssertVoid(totalTeethCount > 0, "totalTeethCount is zero");
efiAssertVoid(s != NULL, "TriggerShape is NULL");
s->initialize(operationMode, false);
s->setTriggerSynchronizationGap(skippedCount + 1);
s->isSynchronizationNeeded = (skippedCount != 0);
addSkippedToothTriggerEvents(T_PRIMARY, s, totalTeethCount, skippedCount, 0.5, 0, getEngineCycle(operationMode),
NO_LEFT_FILTER, NO_RIGHT_FILTER);
}
void OutputPin::setValue(int logicValue) {
#if EFI_PROD_CODE
if (port != GPIO_NULL) {
efiAssertVoid(modePtr!=NULL, "pin mode not initialized");
pin_output_mode_e mode = *modePtr;
efiAssertVoid(mode <= OM_OPENDRAIN_INVERTED, "invalid pin_output_mode_e");
int eValue = getElectricalValue(logicValue, mode);
setPinValue(this, eValue, logicValue);
}
#else /* EFI_PROD_CODE */
setPinValue(this, eValue, logicValue);
#endif /* EFI_PROD_CODE */
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
if (timeUs == 1)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(timeUs > 0, "neg timeUs");
efiAssertVoid(timeUs < 10 * US_PER_SECOND, "setHardwareUsTimer() too large");
if (GPTDEVICE.state == GPT_ONESHOT)
gptStopTimerI(&GPTDEVICE);
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTime = getTimeNowUs();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
void vappendPrintf(Logging *logging, const char *fmt, va_list arg) {
efiAssertVoid(getRemainingStack(chThdSelf()) > 16, "stack#5b");
if (!intermediateLoggingBufferInited) {
firmwareError("intermediateLoggingBufferInited not inited!");
return;
}
int is_locked = isLocked();
int icsr_vectactive = isIsrContext();
if (is_locked) {
vappendPrintfI(logging, fmt, arg);
} else {
if (icsr_vectactive == 0) {
chSysLock()
;
vappendPrintfI(logging, fmt, arg);
chSysUnlock()
;
} else {
chSysLockFromIsr()
;
vappendPrintfI(logging, fmt, arg);
chSysUnlockFromIsr()
;
}
}
}
void appendPrintf(Logging *logging, const char *fmt, ...) {
efiAssertVoid(getRemainingStack(chThdSelf()) > 128, "lowstck#4");
va_list ap;
va_start(ap, fmt);
vappendPrintf(logging, fmt, ap);
va_end(ap);
}
static void initWave(const char *name, int index) {
brain_pin_e brainPin = boardConfiguration->logicAnalyzerPins[index];
ioportid_t port = getHwPort(brainPin);
ioportmask_t pin = getHwPin(brainPin);
ICUDriver *driver = getInputCaptureDriver(brainPin);
bool mode = boardConfiguration->logicAnalyzerMode[index];
waveReaderCount++;
efiAssertVoid(index < MAX_ICU_COUNT, "too many ICUs");
WaveReader *reader = &readers[index];
WaveReaderHw *hw = &reader->hw;
reader->name = name;
registerCallback(&hw->widthListeners, (IntListener) waAnaWidthCallback, (void*) reader);
registerCallback(&hw->periodListeners, (IntListener) waIcuPeriodCallback, (void*) reader);
initWaveAnalyzerDriver(hw, driver, port, pin);
print("wave%d input on %s%d\r\n", index, portname(reader->hw.port), reader->hw.pin);
setWaveReaderMode(hw, mode);
}
static ALWAYS_INLINE void handleFuelInjectionEvent(int eventIndex, bool limitedFuel, InjectionEvent *event,
int rpm DECLARE_ENGINE_PARAMETER_S) {
if (limitedFuel)
return; // todo: move this check up
/**
* todo: this is a bit tricky with batched injection. is it? Does the same
* wetting coefficient works the same way for any injection mode, or is something
* x2 or /2?
*/
floatms_t injectionDuration = ENGINE(wallFuel).adjust(event->injectorIndex, ENGINE(fuelMs) PASS_ENGINE_PARAMETER);
ENGINE(actualLastInjection) = injectionDuration;
if (cisnan(injectionDuration)) {
warning(OBD_PCM_Processor_Fault, "NaN injection pulse");
return;
}
if (injectionDuration < 0) {
warning(OBD_PCM_Processor_Fault, "Negative injection pulse %f", injectionDuration);
return;
}
if (engine->isCylinderCleanupMode)
return;
floatus_t injectionStartDelayUs = ENGINE(rpmCalculator.oneDegreeUs) * event->injectionStart.angleOffset;
OutputSignal *signal = &ENGINE(engineConfiguration2)->fuelActuators[eventIndex];
if (event->isSimultanious) {
if (injectionDuration < 0) {
firmwareError("duration cannot be negative: %d", injectionDuration);
return;
}
if (cisnan(injectionDuration)) {
firmwareError("NaN in scheduleOutput", injectionDuration);
return;
}
/**
* this is pretty much copy-paste of 'scheduleOutput'
* 'scheduleOutput' is currently only used for injection, so maybe it should be
* changed into 'scheduleInjection' and unified? todo: think about it.
*/
efiAssertVoid(signal!=NULL, "signal is NULL");
int index = getRevolutionCounter() % 2;
scheduling_s * sUp = &signal->signalTimerUp[index];
scheduling_s * sDown = &signal->signalTimerDown[index];
scheduleTask("out up", sUp, (int) injectionStartDelayUs, (schfunc_t) &startSimultaniousInjection, engine);
scheduleTask("out down", sDown, (int) injectionStartDelayUs + MS2US(injectionDuration),
(schfunc_t) &endSimultaniousInjection, engine);
} else {
#if EFI_UNIT_TEST || defined(__DOXYGEN__)
printf("scheduling injection angle=%f/delay=%f injectionDuration=%f\r\n", event->injectionStart.angleOffset, injectionStartDelayUs, injectionDuration);
#endif
scheduleOutput(signal, getTimeNowUs(), injectionStartDelayUs, MS2US(injectionDuration), event->output);
}
}
static void pwmpcb_fast(PWMDriver *pwmp) {
efiAssertVoid(CUSTOM_ERR_6659, getRemainingStack(chThdGetSelfX())> 32, "lwStAdcFast");
#if EFI_INTERNAL_ADC
(void) pwmp;
/*
* Starts an asynchronous ADC conversion operation, the conversion
* will be executed in parallel to the current PWM cycle and will
* terminate before the next PWM cycle.
*/
chSysLockFromISR()
;
if (ADC_FAST_DEVICE.state != ADC_READY &&
ADC_FAST_DEVICE.state != ADC_COMPLETE &&
ADC_FAST_DEVICE.state != ADC_ERROR) {
fastAdc.errorsCount++;
// todo: when? why? firmwareError(OBD_PCM_Processor_Fault, "ADC fast not ready?");
chSysUnlockFromISR()
;
return;
}
adcStartConversionI(&ADC_FAST_DEVICE, &adcgrpcfg_fast, fastAdc.samples, ADC_BUF_DEPTH_FAST);
chSysUnlockFromISR()
;
fastAdc.conversionCount++;
#endif /* EFI_INTERNAL_ADC */
}
void readFromFlash(void) {
efiAssertVoid(getRemainingStack(chThdSelf()) > 256, "read f");
printMsg(logger, "readFromFlash()");
flashRead(FLASH_ADDR, (char *) &persistentState, PERSISTENT_SIZE);
persisted_configuration_state_e result;
if (!isValidCrc(&persistentState)) {
result = CRC_FAILED;
resetConfigurationExt(logger, DEFAULT_ENGINE_TYPE PASS_ENGINE_PARAMETER);
} else if (persistentState.version != FLASH_DATA_VERSION || persistentState.size != PERSISTENT_SIZE) {
result = INCOMPATIBLE_VERSION;
resetConfigurationExt(logger, engineConfiguration->engineType PASS_ENGINE_PARAMETER);
} else {
/**
* At this point we know that CRC and version number is what we expect. Safe to assume it's a valid configuration.
*/
result = OK;
applyNonPersistentConfiguration(logger PASS_ENGINE_PARAMETER);
}
// we can only change the state after the CRC check
engineConfiguration->firmwareVersion = getRusEfiVersion();
if (result == CRC_FAILED) {
printMsg(logger, "Need to reset flash to default due to CRC");
} else if (result == INCOMPATIBLE_VERSION) {
printMsg(logger, "Resetting but saving engine type [%d]", engineConfiguration->engineType);
} else {
printMsg(logger, "Got valid configuration from flash!");
}
}
void doSlowAdc(void) {
efiAssertVoid(CUSTOM_ERR_6658, getRemainingStack(chThdGetSelfX())> 32, "lwStAdcSlow");
#if EFI_INTERNAL_ADC
/* Starts an asynchronous ADC conversion operation, the conversion
will be executed in parallel to the current PWM cycle and will
terminate before the next PWM cycle.*/
slowAdc.conversionCount++;
chSysLockFromISR()
;
if (ADC_SLOW_DEVICE.state != ADC_READY &&
ADC_SLOW_DEVICE.state != ADC_COMPLETE &&
ADC_SLOW_DEVICE.state != ADC_ERROR) {
// todo: why and when does this happen? firmwareError(OBD_PCM_Processor_Fault, "ADC slow not ready?");
slowAdc.errorsCount++;
chSysUnlockFromISR()
;
return;
}
adcStartConversionI(&ADC_SLOW_DEVICE, &adcgrpcfgSlow, slowAdc.samples, ADC_BUF_DEPTH_SLOW);
chSysUnlockFromISR()
;
#endif /* EFI_INTERNAL_ADC */
}
void runConsoleLoop(ts_channel_s *console) {
if (boardConfiguration->startConsoleInBinaryMode) {
// switch to binary protocol
consoleInBinaryMode = true;
runBinaryProtocolLoop(console, true);
}
while (true) {
efiAssertVoid(getRemainingStack(chThdGetSelfX()) > 256, "lowstck#9e");
bool end = getConsoleLine((BaseSequentialStream*) console->channel, console->crcReadBuffer, sizeof(console->crcReadBuffer) - 3);
if (end) {
// firmware simulator is the only case when this happens
continue;
}
char *trimmed = efiTrim(console->crcReadBuffer);
(console_line_callback)(trimmed);
if (consoleInBinaryMode) {
#if EFI_SIMULATOR || defined(__DOXYGEN__)
logMsg("Switching to binary mode\r\n");
#endif
// switch to binary protocol
runBinaryProtocolLoop(console, true);
}
}
}
static void vappendPrintfI(Logging *logging, const char *fmt, va_list arg) {
intermediateLoggingBuffer.eos = 0; // reset
efiAssertVoid(getRemainingStack(chThdSelf()) > 128, "lowstck#1b");
chvprintf((BaseSequentialStream *) &intermediateLoggingBuffer, fmt, arg);
intermediateLoggingBuffer.buffer[intermediateLoggingBuffer.eos] = 0; // need to terminate explicitly
append(logging, (char *) intermediateLoggingBufferData);
}
static void pwmpcb_slow(PWMDriver *pwmp) {
efiAssertVoid(getRemainingStack(chThdSelf())> 32, "lwStAdcSlow");
#if EFI_INTERNAL_ADC
(void) pwmp;
/* Starts an asynchronous ADC conversion operation, the conversion
will be executed in parallel to the current PWM cycle and will
terminate before the next PWM cycle.*/
slowAdc.conversionCount++;
chSysLockFromIsr()
;
if (ADC_SLOW_DEVICE.state != ADC_READY &&
ADC_SLOW_DEVICE.state != ADC_COMPLETE &&
ADC_SLOW_DEVICE.state != ADC_ERROR) {
// todo: why and when does this happen? firmwareError("ADC slow not ready?");
slowAdc.errorsCount++;
chSysUnlockFromIsr()
;
return;
}
adcStartConversionI(&ADC_SLOW_DEVICE, &adcgrpcfgSlow, slowAdc.samples, ADC_BUF_DEPTH_SLOW);
chSysUnlockFromIsr()
;
#endif
}
void addSkippedToothTriggerEvents(trigger_wheel_e wheel, TriggerShape *s, int totalTeethCount, int skippedCount,
float toothWidth, float offset, float engineCycle, float filterLeft, float filterRight) {
efiAssertVoid(CUSTOM_ERR_6586, totalTeethCount > 0, "total count");
efiAssertVoid(CUSTOM_ERR_6587, skippedCount >= 0, "skipped count");
for (int i = 0; i < totalTeethCount - skippedCount - 1; i++) {
float angleDown = engineCycle / totalTeethCount * (i + (1 - toothWidth));
float angleUp = engineCycle / totalTeethCount * (i + 1);
s->addEvent3(offset + angleDown, wheel, TV_RISE, filterLeft, filterRight);
s->addEvent3(offset + angleUp, wheel, TV_FALL, filterLeft, filterRight);
}
float angleDown = engineCycle / totalTeethCount * (totalTeethCount - skippedCount - 1 + (1 - toothWidth));
s->addEvent3(offset + angleDown, wheel, TV_RISE, filterLeft, filterRight);
s->addEvent3(offset + engineCycle, wheel, TV_FALL, filterLeft, filterRight);
}
/**
* This method is not in the adc* lower-level file because it is more business logic then hardware.
*/
void adc_callback_fast(ADCDriver *adcp, adcsample_t *buffer, size_t n) {
(void) buffer;
(void) n;
/**
* Note, only in the ADC_COMPLETE state because the ADC driver fires an
* intermediate callback when the buffer is half full.
* */
if (adcp->state == ADC_COMPLETE) {
/**
* this callback is executed 10 000 times a second, it needs to be as fast as possible
*/
efiAssertVoid(CUSTOM_ERR_6676, getRemainingStack(chThdGetSelfX()) > 128, "lowstck#9b");
#if EFI_MAP_AVERAGING
mapAveragingAdcCallback(fastAdc.samples[fastMapSampleIndex]);
#endif /* EFI_MAP_AVERAGING */
#if EFI_HIP_9011 || defined(__DOXYGEN__)
if (CONFIGB(isHip9011Enabled)) {
hipAdcCallback(fastAdc.samples[hipSampleIndex]);
}
#endif
// if (tpsSampleIndex != TPS_IS_SLOW) {
// tpsFastAdc = fastAdc.samples[tpsSampleIndex];
// }
}
}
/**
* sets the alarm to the specified number of microseconds from now.
* This function should be invoked under kernel lock which would disable interrupts.
*/
void setHardwareUsTimer(int32_t timeUs) {
setHwTimerCounter++;
/**
* #259 BUG error: not positive timeUs
* Once in a while we night get an interrupt where we do not expect it
*/
if (timeUs <= 0) {
timerFreezeCounter++;
warning(CUSTOM_OBD_LOCAL_FREEZE, "local freeze cnt=%d", timerFreezeCounter);
}
if (timeUs < 2)
timeUs = 2; // for some reason '1' does not really work
efiAssertVoid(CUSTOM_ERR_6681, timeUs > 0, "not positive timeUs");
if (timeUs >= 10 * US_PER_SECOND) {
firmwareError(CUSTOM_ERR_TIMER_OVERFLOW, "setHardwareUsTimer() too long: %d", timeUs);
return;
}
if (GPTDEVICE.state == GPT_ONESHOT) {
gptStopTimerI(&GPTDEVICE);
}
if (GPTDEVICE.state != GPT_READY) {
firmwareError(CUSTOM_HW_TIMER, "HW timer state %d/%d", GPTDEVICE.state, setHwTimerCounter);
return;
}
if (hasFirmwareError())
return;
gptStartOneShotI(&GPTDEVICE, timeUs);
lastSetTimerTimeNt = getTimeNowNt();
lastSetTimerValue = timeUs;
isTimerPending = TRUE;
timerRestartCounter++;
}
void setVwConfiguration(TriggerShape *s) {
efiAssertVoid(s != NULL, "TriggerShape is NULL");
operation_mode_e operationMode = FOUR_STROKE_CRANK_SENSOR;
s->useRiseEdge = true;
initializeSkippedToothTriggerShapeExt(s, 60, 2,
operationMode);
s->isSynchronizationNeeded = true;
s->reset(operationMode, false);
int totalTeethCount = 60;
int skippedCount = 2;
float engineCycle = getEngineCycle(operationMode);
float toothWidth = 0.5;
addSkippedToothTriggerEvents(T_PRIMARY, s, 60, 2, toothWidth, 0, engineCycle,
NO_LEFT_FILTER, 690);
float angleDown = engineCycle / totalTeethCount * (totalTeethCount - skippedCount - 1 + (1 - toothWidth) );
s->addEvent(0 + angleDown + 12, T_PRIMARY, TV_HIGH, NO_LEFT_FILTER, NO_RIGHT_FILTER);
s->addEvent(0 + engineCycle, T_PRIMARY, TV_LOW, NO_LEFT_FILTER, NO_RIGHT_FILTER);
s->setTriggerSynchronizationGap2(1.6, 4);
}
/**
* Main PWM loop: toggle pin & schedule next invocation
*/
static void timerCallback(PwmConfig *state) {
state->dbgNestingLevel++;
efiAssertVoid(state->dbgNestingLevel < 25, "PWM nesting issue");
efitimeus_t switchTimeUs = state->togglePwmState();
scheduleByTimestamp(&state->scheduling, switchTimeUs, (schfunc_t) timerCallback, state);
state->dbgNestingLevel--;
}
static void doAddAction(const char *token, action_type_e type, Void callback, void *param) {
efiAssertVoid(consoleActionCount < CONSOLE_MAX_ACTIONS, "Too many console actions");
TokenCallback *current = &consoleActions[consoleActionCount++];
current->token = token;
current->parameterType = type;
current->callback = callback;
current->param = param;
}
/**
* @breif Add a new value into histogram_s
*/
void hsAdd(histogram_s *h, int64_t value) {
int index = histogramGetIndex(value);
int count = 1;
h->total_value += value;
h->total_count += count;
efiAssertVoid(index < BOUND_LENGTH, "histogram issue");
h->values[index] += count;
}
void assertCylinderId(int cylinderId, const char *msg) {
int isValid = cylinderId >= 1 && cylinderId <= engineConfiguration->specs.cylindersCount;
if (!isValid) {
// we are here only in case of a fatal issue - at this point it is fine to make some blocking i-o
//scheduleSimpleMsg(&logger, "cid=", cylinderId);
print("ERROR [%s] cid=%d\r\n", msg, cylinderId);
efiAssertVoid(false, "Cylinder ID");
}
}
void append(Logging *logging, const char *text) {
efiAssertVoid(text != NULL, "append NULL");
uint32_t extraLen = efiStrlen(text);
int isError = validateBuffer(logging, extraLen);
if (isError) {
return;
}
strcpy(logging->linePointer, text);
logging->linePointer += extraLen;
}