speedometer.h File Reference

Functions
void	initSpeedometer ()
void	speedoUpdate ()

Function Documentation

initSpeedometer()

void initSpeedometer

(

)

Definition at line 31 of file speedometer.cpp.

                       {
    hasSpeedoInit = false;
 
    if (!isBrainPinValid(engineConfiguration->speedometerOutputPin)) {
        return;
    }
 
    startSimplePwm(&speedoPwm,
                    "Speedometer",
                    &engine->scheduler,
                    &enginePins.speedoOut,
                    NAN, 0.5f);
 
    hasSpeedoInit = true;
}

Referenced by commonInitEngineController().

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speedoUpdate()

void speedoUpdate

(

)

Definition at line 15 of file speedometer.cpp.

                    {
    if (!hasSpeedoInit) {
        return;
    }
 
    float kph = Sensor::getOrZero(SensorType::VehicleSpeed);
    float kps = kph * (1. / 3600);
    float freq = kps * engineConfiguration->speedometerPulsePerKm;
 
    if (freq < 1) {
        freq = NAN;
    }
 
    speedoPwm.setFrequency(freq);
}

Referenced by Engine::periodicFastCallback().

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