fome-fw/firmware/controllers/trigger/trigger_simulator.cpp

83 lines
2.9 KiB
C++

/*
* @file trigger_simulator.cpp
*
* @date Sep 23, 2015
* @author Andrey Belomutskiy, (c) 2012-2015
*/
#include "main.h"
#include "engine.h"
#include "trigger_simulator.h"
#define SIMULATION_CYCLE_PERIOD 720000
EXTERN_ENGINE;
TriggerStimulatorHelper::TriggerStimulatorHelper() {
}
void TriggerStimulatorHelper::nextStep(TriggerState *state, TriggerShape * shape, int i,
trigger_config_s const*triggerConfig DECLARE_ENGINE_PARAMETER_S) {
int stateIndex = i % shape->getSize();
int prevIndex = (stateIndex + shape->getSize() - 1 ) % shape->getSize();
int loopIndex = i / shape->getSize();
int time = (int) (SIMULATION_CYCLE_PERIOD * (loopIndex + shape->wave.getSwitchTime(stateIndex)));
bool_t primaryWheelState = shape->wave.getChannelState(0, prevIndex);
bool_t newPrimaryWheelState = shape->wave.getChannelState(0, stateIndex);
bool_t secondaryWheelState = shape->wave.getChannelState(1, prevIndex);
bool_t newSecondaryWheelState = shape->wave.getChannelState(1, stateIndex);
bool_t thirdWheelState = shape->wave.getChannelState(2, prevIndex);
bool_t new3rdWheelState = shape->wave.getChannelState(2, stateIndex);
if (primaryWheelState != newPrimaryWheelState) {
primaryWheelState = newPrimaryWheelState;
trigger_event_e s = primaryWheelState ? SHAFT_PRIMARY_UP : SHAFT_PRIMARY_DOWN;
state->decodeTriggerEvent(s, time PASS_ENGINE_PARAMETER);
}
if (secondaryWheelState != newSecondaryWheelState) {
secondaryWheelState = newSecondaryWheelState;
trigger_event_e s = secondaryWheelState ? SHAFT_SECONDARY_UP : SHAFT_SECONDARY_DOWN;
state->decodeTriggerEvent(s, time PASS_ENGINE_PARAMETER);
}
if (thirdWheelState != new3rdWheelState) {
thirdWheelState = new3rdWheelState;
trigger_event_e s = thirdWheelState ? SHAFT_3RD_UP : SHAFT_3RD_DOWN;
state->decodeTriggerEvent(s, time PASS_ENGINE_PARAMETER);
}
}
void TriggerStimulatorHelper::assertSyncPositionAndSetDutyCycle(uint32_t index, TriggerState *state, TriggerShape * shape,
trigger_config_s const*triggerConfig DECLARE_ENGINE_PARAMETER_S) {
int startIndex = engineConfiguration->useOnlyFrontForTrigger ? index + 2 : index + 1;
for (uint32_t i = startIndex; i <= index + 2 * shape->getSize(); i++) {
nextStep(state, shape, i, triggerConfig PASS_ENGINE_PARAMETER);
}
// todo: nicer error handling?
efiAssertVoid(state->getTotalRevolutionCounter() == 3, "totalRevolutionCounter2 expected 3");
for (int i = 0; i < PWM_PHASE_MAX_WAVE_PER_PWM; i++) {
shape->dutyCycle[i] = 1.0 * state->expectedTotalTime[i] / SIMULATION_CYCLE_PERIOD;
}
}
uint32_t TriggerStimulatorHelper::doFindTrigger(TriggerShape * shape,
trigger_config_s const*triggerConfig, TriggerState *state DECLARE_ENGINE_PARAMETER_S) {
for (int i = 0; i < 4 * PWM_PHASE_MAX_COUNT; i++) {
nextStep(state, shape, i, triggerConfig PASS_ENGINE_PARAMETER);
if (state->shaft_is_synchronized)
return i;
}
firmwareError("findTriggerZeroEventIndex() failed");
return EFI_ERROR_CODE;
}