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/**
 * @brief Processes the current quarter-hour power estimation.
 *
 * This function calculates the estimated average power consumption for the current quarter-hour period
 * based on the elapsed time and the current average demand. It uses a blending percentage to take
 * the current power consumption into account next to extrapolating the past energy usage.
 *
 * @param meting Pointer to a P1Meting structure containing the current measurement data.
 *
 * The function performs the following steps:
 * 1. Calculates the elapsed seconds in the current quarter-hour period.
 * 2. If any seconds have elapsed, it estimates the quarter-hour power consumption using the
 *    current average demand and the elapsed time.
 * 3. It also estimates the power consumption by blending the current average demand with the
 *    consumption power.
 * 4. If no seconds have elapsed, it sets the quarter-hour power estimation to the consumption power.
 *
 * The results are stored in the following fields of the P1Meting structure:
 * - kwartierVermogenSchatting: Extrapollated consumption for the current quarter-hour period.
 * - kwartierVermogenSchatting2: Estimation of the power consumption based on current power and past usage.
 * - kwartierVermogenSchatting3: Final blended estimation using the blending percentage.
 */
static inline void processKwartier(P1Meting *meting){
    int secondenverstreken;
    int blendingPercentage = 25; // is percentage schatting op basis van huidig vermogen
    secondenverstreken = (meting->testTimeInfo.tm_min % 15) * 60;
    secondenverstreken = secondenverstreken + meting->testTimeInfo.tm_sec;
    if (secondenverstreken > 0){
        meting->kwartierVermogenSchatting = (int)(meting->current_average_demand / ((float)secondenverstreken / 900));
        meting->kwartierVermogenSchatting2 = meting->current_average_demand + (((900-secondenverstreken) * meting->consumptionPower)/900);
        meting->kwartierVermogenSchatting3 = ((meting->kwartierVermogenSchatting * (100 - blendingPercentage)) + (meting->kwartierVermogenSchatting2 * blendingPercentage))/100;
    } else {
        meting->kwartierVermogenSchatting = (int)meting->consumptionPower;
        meting->kwartierVermogenSchatting2 = (int)meting->consumptionPower;
        meting->kwartierVermogenSchatting3 = (int)meting->consumptionPower;
    }
}