Functions
static void	updateVrThresholdPwm (float rpm, size_t index)

void	updateVrThresholdPwm ()

void	initVrThresholdPwm ()

void	setDefaultVrThresholds ()

Variables
static OutputPin	pins [VR_THRESHOLD_COUNT]

static SimplePwm	pwms [VR_THRESHOLD_COUNT]

Function Documentation

◆ initVrThresholdPwm()

void initVrThresholdPwm ( )

Definition at line 39 of file vr_pwm.cpp.

                          {
    for (size_t i = 0; i < efi::size(engineConfiguration->vrThreshold); i++) {
        auto& cfg = engineConfiguration->vrThreshold[i];
 
        if (!isBrainPinValid(cfg.pin)) {
            continue;
        }
 
        startSimplePwmHard(&pwms[i], "VR Threshold",
            &engine->scheduler,
            cfg.pin,
            &pins[i],
            10000,  // it's guaranteed to be hardware PWM, the faster the PWM, the less noise makes it through
            0
        );
    }
}

Referenced by initRealHardwareEngineController().

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◆ setDefaultVrThresholds()

void setDefaultVrThresholds ( )

Definition at line 57 of file vr_pwm.cpp.

                              {
    for (int i = 0;i<VR_THRESHOLD_COUNT;i++) {
        setRpmTableBin(engineConfiguration->vrThreshold[i].rpmBins);
        setLinearCurve(engineConfiguration->vrThreshold[i].values, 0.6, 1.2, 0.1);
    }
}

Referenced by setDefaultBaseEngine().

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◆ updateVrThresholdPwm() [1/2]

void updateVrThresholdPwm ( )

Definition at line 31 of file vr_pwm.cpp.

                            {
    auto rpm = Sensor::getOrZero(SensorType::Rpm);
 
    for (size_t i = 0; i < efi::size(engineConfiguration->vrThreshold); i++) {
        updateVrThresholdPwm(rpm, i);
    }
}

Referenced by Engine::periodicSlowCallback(), and updateVrThresholdPwm().

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◆ updateVrThresholdPwm() [2/2]

static void updateVrThresholdPwm	(	float	rpm,
		size_t	index
	)

static

Definition at line 13 of file vr_pwm.cpp.

                                                          {
    auto& cfg = engineConfiguration->vrThreshold[index];
 
    if (!isBrainPinValid(cfg.pin)) {
        return;
    }
 
    float thresholdVoltage = interpolate2d(rpm, cfg.rpmBins, cfg.values);
 
    // 0v   threshold voltage = 3.3v output from mcu = 100% duty
    // 2.5v threshold voltage = 0v   output from mcu = 0% duty
    float thresholdInputVoltage = interpolateClamped(0, 3.3f, 2.5f, 0, thresholdVoltage);
 
    float duty = thresholdInputVoltage / VR_SUPPLY_VOLTAGE;
 
    pwms[index].setSimplePwmDutyCycle(duty);
}