rusefi/firmware/controllers/system/efiGpio.cpp

/**
 * @file	efiGpio.cpp
 * @brief	EFI-related GPIO code
 *
 * @date Sep 26, 2014
 * @author Andrey Belomutskiy, (c) 2012-2017
 */

#include "main.h"
#include "engine.h"
#include "efiGpio.h"

#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
#include "io_pins.h"
#endif /* EFI_GPIO_HARDWARE */

EXTERN_ENGINE;

#if EFI_ENGINE_SNIFFER || defined(__DOXYGEN__)
#include "engine_sniffer.h"
extern WaveChart waveChart;
#endif /* EFI_ENGINE_SNIFFER */

// todo: clean this mess, this should become 'static'/private
EnginePins enginePins;
extern LoggingWithStorage sharedLogger;

static pin_output_mode_e DEFAULT_OUTPUT = OM_DEFAULT;

static const char *sparkNames[IGNITION_PIN_COUNT] = { "c1", "c2", "c3", "c4", "c5", "c6", "c7", "c8",
		"c9", "cA", "cB", "cD"};

static const char *injectorNames[INJECTION_PIN_COUNT] = { "i1", "i2", "i3", "i4", "i5", "i6", "i7", "i8",
		"j9", "iA", "iB", "iC"};

EnginePins::EnginePins() {
	dizzyOutput.name = DIZZY_NAME;
	tachOut.name = TACH_NAME;

	for (int i = 0; i < IGNITION_PIN_COUNT;i++) {
		enginePins.coils[i].name = sparkNames[i];
	}
	for (int i = 0; i < INJECTION_PIN_COUNT;i++) {
		enginePins.injectors[i].injectorIndex = i;
		enginePins.injectors[i].name = injectorNames[i];
	}
}

/**
 * Sets the value of the pin. On this layer the value is assigned as is, without any conversion.
 */

#if EFI_PROD_CODE                                                                  \

#define setPinValue(outputPin, electricalValue, logicValue)                        \
  {                                                                                \
    if ((outputPin)->currentLogicValue != (logicValue)) {                          \
	  palWritePad((outputPin)->port, (outputPin)->pin, (electricalValue));         \
	  (outputPin)->currentLogicValue = (logicValue);                               \
    }                                                                              \
  }
#else /* EFI_PROD_CODE */
#define setPinValue(outputPin, electricalValue, logicValue)                        \
  {                                                                                \
    if ((outputPin)->currentLogicValue != (logicValue)) {                          \
	  (outputPin)->currentLogicValue = (logicValue);                               \
    }                                                                              \
  }
#endif /* EFI_PROD_CODE */

bool EnginePins::stopPins() {
	bool result = false;
	for (int i = 0; i < IGNITION_PIN_COUNT; i++) {
		result |= coils[i].stop();
	}
	for (int i = 0; i < INJECTION_PIN_COUNT; i++) {
		result |= injectors[i].stop();
	}
	return result;
}

void EnginePins::reset() {
	for (int i = 0; i < INJECTION_PIN_COUNT;i++) {
		injectors[i].reset();
	}
	for (int i = 0; i < IGNITION_PIN_COUNT;i++) {
		coils[i].reset();
	}
}

NamedOutputPin::NamedOutputPin() : OutputPin() {
	name = NULL;
}

NamedOutputPin::NamedOutputPin(const char *name) : OutputPin() {
	this->name = name;
}

void NamedOutputPin::setHigh() {
#if EFI_DEFAILED_LOGGING || defined(__DOXYGEN__)
//	signal->hi_time = hTimeNow();
#endif /* EFI_DEFAILED_LOGGING */

	// turn the output level ACTIVE
	setValue(true);

	// sleep for the needed duration
#if EFI_ENGINE_SNIFFER || defined(__DOXYGEN__)
	// explicit check here is a performance optimization to speed up no-chart mode
	if (ENGINE(isEngineChartEnabled)) {
		// this is a performance optimization - array index is cheaper then invoking a method with 'switch'
		const char *pinName = name;
//	dbgDurr = hal_lld_get_counter_value() - dbgStart;

		addEngineSniffferEvent(pinName, WC_UP);
	}
#endif /* EFI_ENGINE_SNIFFER */
//	dbgDurr = hal_lld_get_counter_value() - dbgStart;
}

void NamedOutputPin::setLow() {
	// turn off the output
	setValue(false);

#if EFI_DEFAILED_LOGGING || defined(__DOXYGEN__)
	systime_t after = hTimeNow();
	debugInt(&signal->logging, "a_time", after - signal->hi_time);
	scheduleLogging(&signal->logging);
#endif /* EFI_DEFAILED_LOGGING */

#if EFI_ENGINE_SNIFFER || defined(__DOXYGEN__)
	if (ENGINE(isEngineChartEnabled)) {
		// this is a performance optimization - array index is cheaper then invoking a method with 'switch'
		const char *pinName = name;

		addEngineSniffferEvent(pinName, WC_DOWN);
	}
#endif /* EFI_ENGINE_SNIFFER */
}

InjectorOutputPin::InjectorOutputPin() : NamedOutputPin() {
	reset();
	injectorIndex = -1;
}

bool NamedOutputPin::stop() {
#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
	if (isInitialized() && getLogicValue()) {
		setValue(false);
		scheduleMsg(&sharedLogger, "turning off %s", name);
		return true;
	}
#endif /* EFI_GPIO_HARDWARE */
	return false;
}

void InjectorOutputPin::reset() {
	overlappingScheduleOffTime = 0;
	cancelNextTurningInjectorOff = false;
	overlappingCounter = 0;
	// todo: this could be refactored by calling some super-reset method
	currentLogicValue = INITIAL_PIN_STATE;
}

IgnitionOutputPin::IgnitionOutputPin() {
	reset();
}

void IgnitionOutputPin::reset() {
	outOfOrder = false;
	signalFallSparkId = 0;
}

OutputPin::OutputPin() {
	modePtr = &DEFAULT_OUTPUT;
#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
	port = NULL;
	pin = 0;
#endif /* EFI_GPIO_HARDWARE */
	currentLogicValue = INITIAL_PIN_STATE;
}

bool OutputPin::isInitialized() {
#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
	return port != NULL;
#else /* EFI_GPIO_HARDWARE */
	return false;
#endif /* EFI_GPIO_HARDWARE */
}

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 */
}

bool OutputPin::getLogicValue() {
	return currentLogicValue;
}

void OutputPin::unregister() {
#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
	port = NULL;
#endif /* EFI_PROD_CODE */
}

void OutputPin::setDefaultPinState(pin_output_mode_e *outputMode) {
	pin_output_mode_e mode = *outputMode;
	assertOMode(mode);
	this->modePtr = outputMode;
	setValue(false); // initial state
}

void initOutputPins(void) {
#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
	/**
	 * want to make sure it's all zeros so that we can compare in initOutputPinExt() method
	 */
// todo: it's too late to clear now? this breaks default status LEDs
// todo: fix this?
//	memset(&outputs, 0, sizeof(outputs));

#if HAL_USE_SPI || defined(__DOXYGEN__)
	enginePins.sdCsPin.initPin("spi CS5", boardConfiguration->sdCardCsPin);
#endif /* HAL_USE_SPI */

	// todo: should we move this code closer to the fuel pump logic?
	enginePins.fuelPumpRelay.initPin("fuel pump relay", boardConfiguration->fuelPumpPin);

	enginePins.mainRelay.initPin("main relay", boardConfiguration->mainRelayPin, &boardConfiguration->mainRelayPinMode);

	enginePins.fanRelay.initPin("fan relay", boardConfiguration->fanPin);
	enginePins.o2heater.initPin("o2 heater", boardConfiguration->o2heaterPin);
	enginePins.acRelay.initPin("A/C relay", boardConfiguration->acRelayPin, &boardConfiguration->acRelayPinMode);

	// digit 1
	/*
	 ledRegister(LED_HUGE_0, GPIOB, 2);
	 ledRegister(LED_HUGE_1, GPIOE, 7);
	 ledRegister(LED_HUGE_2, GPIOE, 8);
	 ledRegister(LED_HUGE_3, GPIOE, 9);
	 ledRegister(LED_HUGE_4, GPIOE, 10);
	 ledRegister(LED_HUGE_5, GPIOE, 11);
	 ledRegister(LED_HUGE_6, GPIOE, 12);

	 // digit 2
	 ledRegister(LED_HUGE_7, GPIOE, 13);
	 ledRegister(LED_HUGE_8, GPIOE, 14);
	 ledRegister(LED_HUGE_9, GPIOE, 15);
	 ledRegister(LED_HUGE_10, GPIOB, 10);
	 ledRegister(LED_HUGE_11, GPIOB, 11);
	 ledRegister(LED_HUGE_12, GPIOB, 12);
	 ledRegister(LED_HUGE_13, GPIOB, 13);

	 // digit 3
	 ledRegister(LED_HUGE_14, GPIOE, 0);
	 ledRegister(LED_HUGE_15, GPIOE, 2);
	 ledRegister(LED_HUGE_16, GPIOE, 4);
	 ledRegister(LED_HUGE_17, GPIOE, 6);
	 ledRegister(LED_HUGE_18, GPIOE, 5);
	 ledRegister(LED_HUGE_19, GPIOE, 3);
	 ledRegister(LED_HUGE_20, GPIOE, 1);
	 */
#endif /* EFI_GPIO_HARDWARE */
}

void OutputPin::initPin(const char *msg, brain_pin_e brainPin) {
	initPin(msg, brainPin, &DEFAULT_OUTPUT);
}

void OutputPin::initPin(const char *msg, brain_pin_e brainPin, pin_output_mode_e *outputMode) {
#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)
	if (brainPin == GPIO_UNASSIGNED)
		return;
	ioportid_t port = getHwPort(brainPin);
	int pin = getHwPin(brainPin);

	/**
	 * This method is used for digital GPIO pins only, for peripheral pins see mySetPadMode
	 */
	if (port == GPIO_NULL) {
		// that's for GRIO_NONE
		this->port = port;
		return;
	}

	assertOMode(*outputMode);
	iomode_t mode = (*outputMode == OM_DEFAULT || *outputMode == OM_INVERTED) ?
		PAL_MODE_OUTPUT_PUSHPULL : PAL_MODE_OUTPUT_OPENDRAIN;

	/**
	 * @brief Initialize the hardware output pin while also assigning it a logical name
	 */
	if (this->port != NULL && (this->port != port || this->pin != pin)) {
		/**
		 * here we check if another physical pin is already assigned to this logical output
		 */
	// todo: need to clear '&outputs' in io_pins.c
		warning(CUSTOM_OBD_PIN_CONFLICT, "outputPin [%s] already assigned to %x%d", msg, this->port, this->pin);
		engine->withError = true;
		return;
	}
	this->currentLogicValue = INITIAL_PIN_STATE;
	this->port = port;
	this->pin = pin;

	mySetPadMode2(msg, brainPin, mode);

	setDefaultPinState(outputMode);
#endif /* EFI_GPIO_HARDWARE */
}

#if EFI_GPIO_HARDWARE || defined(__DOXYGEN__)

void initPrimaryPins(void) {
	enginePins.errorLedPin.initPin("led: ERROR status", LED_ERROR_BRAIN_PIN);
}

/**
 * This method is part of fatal error handling.
 * Please note that worst case scenario the pins might get re-enabled by some other code :(
 * The whole method is pretty naive, but that's at least something.
 */
void turnAllPinsOff(void) {
	for (int i = 0; i < INJECTION_PIN_COUNT; i++) {
		enginePins.injectors[i].setValue(false);
	}
	for (int i = 0; i < IGNITION_PIN_COUNT; i++) {
		enginePins.coils[i].setValue(false);
	}
}


/**
 * @deprecated - use hwPortname() instead
 */
const char *portname(ioportid_t GPIOx) {
	if (GPIOx == GPIOA)
		return "PA";
	if (GPIOx == GPIOB)
		return "PB";
	if (GPIOx == GPIOC)
		return "PC";
	if (GPIOx == GPIOD)
		return "PD";
#if defined(STM32F4XX)
	if (GPIOx == GPIOE)
		return "PE";
	if (GPIOx == GPIOH)
		return "PH";
#endif
	if (GPIOx == GPIOF)
		return "PF";
	return "unknown";
}

#else /* EFI_GPIO_HARDWARE */
const char *hwPortname(brain_pin_e brainPin) {
	(void)brainPin;
	return "N/A";
}
#endif /* EFI_GPIO_HARDWARE */