/**
 *  @author Matthew Kennedy, (c) 2017
 */
#include "main.h"
#include "oil_pressure.h"
#include "interpolation.h"
#include "analog_input.h"
#include "engine.h"

EXTERN_ENGINE;

bool hasOilPressureSensor(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
    return engineConfiguration->oilPressure.hwChannel != EFI_ADC_NONE;
}

float getOilPressure(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
    // If there's no sensor, return 0 pressure.
    if(!hasOilPressureSensor(PASS_ENGINE_PARAMETER_SIGNATURE)) {
        return 0.0f;
    }

    oil_pressure_config_s* sensor = &CONFIG(oilPressure);

    float volts = getVoltageDivided("oilp", sensor->hwChannel);

    return interpolate(sensor->v1, sensor->value1, sensor->v2, sensor->value2, volts);
}