/**
* @file ALGO_Bat_ATY.c
*
* @param Project ALGO_Algorithm_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2025 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief Familiar functions of Bat calc
*
* @version
*       - 1_01_230107 > ATY
*           -# Preliminary version, first Release
********************************************************************************
*/

#ifndef __ALGO_Bat_ATY_C
#define __ALGO_Bat_ATY_C

#include "ALGO_Bat_ATY.h"

/******************************* For user *************************************/

/******************************************************************************/

/**
 * @brief
 *
 * @param vin           bat vol now
 * @param lastLevel     last bat level
 * @param vmax          bat vol when power full
 * @param vmin          bat vol when power empty or limitted low power
 * @param levels        whole levels to split, start from 1(1 for empty)
 * @param vFilter       max vol for adc noise, must lower than ((vmax - vmin) / levels)
 * @return uint8_t
 */
uint8_t Bat_AD_Levels(float vin, uint8_t lastLevel, float vmax, float vmin, uint8_t levels, float vFilter)
{
    float vUnit = (vmax - vmin) / levels;
    uint8_t resultLevel = lastLevel;

    // input limit judgement
    if(vmax <= vmin)
        return 1;
    if(vin >= vmax)
        return levels;
    else if(vin <= vmin)
        return 1;
    if(vFilter >= vUnit)
        vFilter = vUnit / 2;

    // calc
    if(vin > (vmin + (vUnit * lastLevel) + (vFilter / 2))){
        resultLevel++;
    }
    else if(vin < (vmin + (vUnit * (lastLevel - 1)) - (vFilter / 2))){
        resultLevel--;
    }
    else{}

    // output limit
    if(resultLevel > levels)
        resultLevel = levels;
    else if(resultLevel < 1)
        resultLevel = 1;

    return resultLevel;
}


// mbP_CVBV = 3.2;//ADC_Get(&hadc1, ADC_CHANNEL_VREFINT) * VOL_PER_AD_ATY;
// mbP_CVPV = Bat_AD_Levels(mbP_CVBV, mbP_CVPV, 4.18, 3.20, 5, 0.096);

#endif /* __ALGO_Bat_ATY_C */

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