mirror of https://github.com/rusefi/rusefi-1.git
117 lines
4.2 KiB
C++
117 lines
4.2 KiB
C++
/*
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* @file trigger_simulator.cpp
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*
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* @date Sep 23, 2015
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* @author Andrey Belomutskiy, (c) 2012-2017
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*/
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#include "main.h"
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#include "engine.h"
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#include "trigger_simulator.h"
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#include "trigger_emulator_algo.h"
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#define SIMULATION_CYCLE_PERIOD 720000
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EXTERN_ENGINE;
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TriggerStimulatorHelper::TriggerStimulatorHelper() {
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}
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// this is not the only place where we have 'isUpEvent'. todo: reuse
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static bool isRisingEdge[6] = { false, true, false, true, false, true };
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bool isUsefulSignal(trigger_event_e signal, engine_configuration_s *engineConfiguration) {
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return !engineConfiguration->useOnlyRisingEdgeForTrigger || isRisingEdge[(int) signal];
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}
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#if EFI_UNIT_TEST || defined(__DOXYGEN__)
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extern bool printTriggerDebug;
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#endif /* ! EFI_UNIT_TEST */
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void TriggerStimulatorHelper::nextStep(TriggerState *state, TriggerShape * shape, int i,
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trigger_config_s const*triggerConfig DECLARE_ENGINE_PARAMETER_S) {
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int stateIndex = i % shape->getSize();
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int prevIndex = (stateIndex + shape->getSize() - 1 ) % shape->getSize();
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int loopIndex = i / shape->getSize();
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int time = (int) (SIMULATION_CYCLE_PERIOD * (loopIndex + shape->wave.getSwitchTime(stateIndex)));
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bool primaryWheelState = shape->wave.getChannelState(0, prevIndex);
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bool newPrimaryWheelState = shape->wave.getChannelState(0, stateIndex);
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bool secondaryWheelState = shape->wave.getChannelState(1, prevIndex);
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bool newSecondaryWheelState = shape->wave.getChannelState(1, stateIndex);
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bool thirdWheelState = shape->wave.getChannelState(2, prevIndex);
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bool new3rdWheelState = shape->wave.getChannelState(2, stateIndex);
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#if EFI_UNIT_TEST || defined(__DOXYGEN__)
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if (printTriggerDebug) {
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printf("nextStep: %d>%d primary %d>%d secondary %d>%d\r\n", prevIndex, stateIndex, primaryWheelState, newPrimaryWheelState,
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secondaryWheelState, newSecondaryWheelState );
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}
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#endif /* EFI_UNIT_TEST */
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// todo: code duplication with TriggerEmulatorHelper::handleEmulatorCallback?
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if (primaryWheelState != newPrimaryWheelState) {
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primaryWheelState = newPrimaryWheelState;
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trigger_event_e s = primaryWheelState ? SHAFT_PRIMARY_RISING : SHAFT_PRIMARY_FALLING;
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if (isUsefulSignal(s, engineConfiguration))
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state->decodeTriggerEvent(s, time PASS_ENGINE_PARAMETER);
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}
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if (secondaryWheelState != newSecondaryWheelState) {
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secondaryWheelState = newSecondaryWheelState;
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trigger_event_e s = secondaryWheelState ? SHAFT_SECONDARY_RISING : SHAFT_SECONDARY_FALLING;
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if (isUsefulSignal(s, engineConfiguration))
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state->decodeTriggerEvent(s, time PASS_ENGINE_PARAMETER);
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}
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if (thirdWheelState != new3rdWheelState) {
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thirdWheelState = new3rdWheelState;
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trigger_event_e s = thirdWheelState ? SHAFT_3RD_RISING : SHAFT_3RD_FALLING;
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if (isUsefulSignal(s, engineConfiguration))
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state->decodeTriggerEvent(s, time PASS_ENGINE_PARAMETER);
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}
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}
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void TriggerStimulatorHelper::assertSyncPositionAndSetDutyCycle(const uint32_t syncIndex, TriggerState *state, TriggerShape * shape,
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trigger_config_s const*triggerConfig DECLARE_ENGINE_PARAMETER_S) {
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int startIndex = syncIndex + 1;
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for (uint32_t i = startIndex; i <= syncIndex + 2 * shape->getSize(); i++) {
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nextStep(state, shape, i, triggerConfig PASS_ENGINE_PARAMETER);
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}
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int revolutionCounter = state->getTotalRevolutionCounter();
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if (revolutionCounter != 3) {
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warning(CUSTOM_OBD_TRIGGER_SHAPE, "sync failed/wrong gap parameters trigger=%s rc=%d", getTrigger_type_e(engineConfiguration->trigger.type), revolutionCounter);
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shape->shapeDefinitionError = true;
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return;
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}
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shape->shapeDefinitionError = false;
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for (int i = 0; i < PWM_PHASE_MAX_WAVE_PER_PWM; i++) {
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shape->dutyCycle[i] = 1.0 * state->expectedTotalTime[i] / SIMULATION_CYCLE_PERIOD;
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}
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}
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/**
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* @return trigger synchronization point index, or error code if not found
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*/
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uint32_t TriggerStimulatorHelper::doFindTrigger(TriggerShape * shape,
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trigger_config_s const*triggerConfig, TriggerState *state DECLARE_ENGINE_PARAMETER_S) {
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for (int i = 0; i < 4 * PWM_PHASE_MAX_COUNT; i++) {
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nextStep(state, shape, i, triggerConfig PASS_ENGINE_PARAMETER);
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if (state->shaft_is_synchronized)
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return i;
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}
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engine->triggerCentral.triggerShape.shapeDefinitionError = 1;
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warning(CUSTOM_ERR_TRIGGER_SYNC, "findTriggerZeroEventIndex() failed");
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return EFI_ERROR_CODE;
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}
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