#include <state_sequence.h>

Inheritance diagram for MultiChannelStateSequence:

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Collaboration diagram for MultiChannelStateSequence:

Public Member Functions
virtual float	getSwitchTime (int phaseIndex) const =0

virtual pin_state_t	getChannelState (int channelIndex, int phaseIndex) const =0

void	checkSwitchTimes (float scale) const

expected< int >	findAngleMatch (float angle) const

int	findInsertionAngle (float angle) const

Data Fields
uint16_t	phaseCount = 0

uint16_t	waveCount = 0

Detailed Description

This class represents multi-channel logical signals with shared time axis

This is a semi-abstract interface so that implementations can exist for either regularized patterns (60-2, etc) or completely arbitrary patterns stored in arrays.

Definition at line 52 of file state_sequence.h.

Member Function Documentation

◆ checkSwitchTimes()

void MultiChannelStateSequence::checkSwitchTimes ( float scale ) const

Definition at line 12 of file state_sequence.cpp.

                                                                        {
    efiAssertVoid(ObdCode::CUSTOM_ERR_WAVE_1, phaseCount > 0, "StateSequence cannot be empty");
    if (getSwitchTime(phaseCount - 1) != 1) {
#if EFI_UNIT_TEST
        for (int index = 0;index < phaseCount;index ++) {
            printf("switch time index=%d angle=%f\n", index, getSwitchTime(index));
        }
#endif // EFI_UNIT_TEST
 
        firmwareError(ObdCode::CUSTOM_ERR_WAVE_1, "[count=%d] last switch time has to be 1/%f not %.2f/%f",
                phaseCount,
                  scale, getSwitchTime(phaseCount - 1),
                  scale * getSwitchTime(phaseCount - 1));
        return;
    }
    for (int i = 0; i < phaseCount - 1; i++) {
        if (getSwitchTime(i) >= getSwitchTime(i + 1)) {
            firmwareError(ObdCode::CUSTOM_ERR_WAVE_2, "invalid switchTimes @%d: %.2f/%.2f",
                      i, getSwitchTime(i), getSwitchTime(i + 1));
        }
    }
}

Referenced by copyPwmParameters(), and TriggerWaveform::initializeTriggerWaveform().

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◆ findAngleMatch()

expected< int > MultiChannelStateSequence::findAngleMatch ( float angle ) const

Definition at line 43 of file state_sequence.cpp.

                                                                               {
    for (int i = 0; i < phaseCount; i++) {
        if (isSameF(getSwitchTime(i), angle))
            return i;
    }
    return unexpected;
}

Referenced by TriggerWaveform::addEvent().

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◆ findInsertionAngle()

int MultiChannelStateSequence::findInsertionAngle ( float angle ) const

Definition at line 35 of file state_sequence.cpp.

                                                                         {
    for (int i = phaseCount - 1; i >= 0; i--) {
        if (angle > getSwitchTime(i))
            return i + 1;
    }
    return 0;
}

Referenced by TriggerWaveform::addEvent().

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◆ getChannelState()

virtual pin_state_t MultiChannelStateSequence::getChannelState	(	int	channelIndex,
		int	phaseIndex
	)		const

pure virtual

Implemented in MultiChannelStateSequenceWithData< max_phase >, MultiChannelStateSequenceWithData< 2 >, and MultiChannelStateSequenceWithData< PWM_PHASE_MAX_COUNT >.

Referenced by PwmConfig::applyPwmValue(), TriggerEmulatorHelper::handleEmulatorCallback(), and needEvent().

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◆ getSwitchTime()

virtual float MultiChannelStateSequence::getSwitchTime ( int phaseIndex ) const

pure virtual

values in the (0..1] range which refer to points within the period at at which pin state should be changed So, in the simplest case we turn pin off at 0.3 and turn it on at 1 - that would give us a 70% duty cycle PWM

Implemented in MultiChannelStateSequenceWithData< max_phase >, MultiChannelStateSequenceWithData< 2 >, and MultiChannelStateSequenceWithData< PWM_PHASE_MAX_COUNT >.

Referenced by checkSwitchTimes(), findAngleMatch(), and findInsertionAngle().

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