mirror of https://github.com/rusefi/rusefi-1.git
125 lines
3.4 KiB
C++
125 lines
3.4 KiB
C++
/**
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* @file trigger_input_icu.cpp
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* @brief Position sensor hardware layer - ICU version
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*
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* todo: code reuse with digital_input_icu.cpp was never finished
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* todo: at the moment due to half-done code reuse we already depend on EFI_ICU_INPUTS but still have custom code
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* todo: VVT implementation is a nasty copy-paste :(
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*
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* see digital_input_icu.cpp
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*
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* @date Dec 30, 2012
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#include "pch.h"
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int icuRisingCallbackCounter = 0;
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int icuFallingCallbackCounter = 0;
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#if EFI_SHAFT_POSITION_INPUT && (HAL_USE_ICU == TRUE)
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#include "trigger_input.h"
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#include "digital_input_icu.h"
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#include "tooth_logger.h"
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static void vvtRisingCallback(void *arg) {
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efitick_t now = getTimeNowNt();
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TRIGGER_BAIL_IF_DISABLED
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#if HW_CHECK_MODE
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TRIGGER_BAIL_IF_SELF_STIM
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#endif
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int index = (int)arg;
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#if EFI_TOOTH_LOGGER
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if (!engineConfiguration->displayLogicLevelsInEngineSniffer) {
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// real physical fronts go into engine sniffer
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LogTriggerTooth(SHAFT_SECONDARY_RISING, now);
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}
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#endif /* EFI_TOOTH_LOGGER */
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hwHandleVvtCamSignal(engineConfiguration->invertCamVVTSignal ? TV_FALL : TV_RISE, now, index);
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}
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static void vvtFallingCallback(void * arg) {
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efitick_t now = getTimeNowNt();
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TRIGGER_BAIL_IF_DISABLED
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#if HW_CHECK_MODE
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TRIGGER_BAIL_IF_SELF_STIM
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#endif
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int index = (int)arg;
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#if EFI_TOOTH_LOGGER
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if (!engineConfiguration->displayLogicLevelsInEngineSniffer) {
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LogTriggerTooth(SHAFT_SECONDARY_FALLING, now);
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}
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#endif /* EFI_TOOTH_LOGGER */
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hwHandleVvtCamSignal(engineConfiguration->invertCamVVTSignal ? TV_RISE : TV_FALL, now, index);
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}
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/**
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* that's hardware timer input capture IRQ entry point
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*/
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static void shaftRisingCallback(bool isPrimary) {
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efitick_t stamp = getTimeNowNt();
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TRIGGER_BAIL_IF_DISABLED
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#if HW_CHECK_MODE
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TRIGGER_BAIL_IF_SELF_STIM
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#endif
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icuRisingCallbackCounter++;
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// icucnt_t last_width = icuGetWidth(icup); so far we are fine with system time
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hwHandleShaftSignal(isPrimary ? 0 : 1, true, stamp);
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}
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static void shaftFallingCallback(bool isPrimary) {
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efitick_t stamp = getTimeNowNt();
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TRIGGER_BAIL_IF_DISABLED
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#if HW_CHECK_MODE
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TRIGGER_BAIL_IF_SELF_STIM
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#endif
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icuFallingCallbackCounter++;
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hwHandleShaftSignal(isPrimary ? 0 : 1, false, stamp);
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}
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/*==========================================================================*/
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/* Exported functions. */
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/*==========================================================================*/
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int icuTriggerTurnOnInputPin(const char *msg, int index, bool isTriggerShaft) {
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(void)msg;
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brain_pin_e brainPin = isTriggerShaft ? engineConfiguration->triggerInputPins[index] : engineConfiguration->camInputs[index];
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if (!isBrainPinValid(brainPin)) {
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return -1;
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}
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digital_input_s* input = startDigitalCapture(msg, brainPin);
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if (input == NULL) {
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/* error already reported */
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return -1;
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}
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if (isTriggerShaft) {
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void * arg = (void*) (index == 0);
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input->setWidthCallback((VoidInt)(void*)shaftRisingCallback, arg);
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input->setPeriodCallback((VoidInt)(void*)shaftFallingCallback, arg);
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} else {
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void * arg = (void *)index;
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input->setWidthCallback((VoidInt)(void*)vvtRisingCallback, arg);
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input->setPeriodCallback((VoidInt)(void*)vvtFallingCallback, arg);
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}
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return 0;
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}
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void icuTriggerTurnOffInputPin(brain_pin_e brainPin) {
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stopDigitalCapture("trigger", brainPin);
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}
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void icuTriggerTurnOnInputPins() {
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}
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#endif /* (EFI_SHAFT_POSITION_INPUT && (HAL_USE_ICU == TRUE)) */
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