float BMP180_ReadTemperature()
{
        /* Start temperature conversion */
        TM_BMP180_StartTemperature(&BMP180);

        /* Wait delay */
        Delay(BMP180.Delay);

        /* Read temperature first */
        TM_BMP180_ReadTemperature(&BMP180);

        return BMP180.Temperature-1.3;
}

float BMP180_ReadPressure()
{
        /* Start temperature conversion */
        TM_BMP180_StartTemperature(&BMP180);

        /* Wait delay */
        Delay(BMP180.Delay);

        /* Read temperature first */
        TM_BMP180_ReadTemperature(&BMP180);

        /* Start pressure conversion at ultra high resolution */
        TM_BMP180_StartPressure(&BMP180, TM_BMP180_Oversampling_HighResolution);
        Delay(BMP180.Delay);

        /* Read pressure value */
        TM_BMP180_ReadPressure(&BMP180);

        // Auf mBar Meereshöhe umrechnen
        double pressure_normal = (double)BMP180.Pressure / 100;

        if ((pressure_normal < MIN_PRES) || (pressure_normal > MAX_PRES))
            return 1013.0;

        float foo = pressure_normal / pow(1-(0.0065 * HOEHE_ORT) / 288.15, 5.255);

        return foo;
}