/**
 * @file Bikethrottle.c
 * @author Wang, Zhiyu(wangzy49@midea.com)
 * @brief throttle of ebike
 * @version 0.1
 * @date 2021-09-29
 *
 * @copyright Copyright (c) 2021
 *
 */

/************************************************************************
 Beginning of File, do not put anything above here except notes
 Compiler Directives:
*************************************************************************/
#include "syspar.h"
#include "typedefine.h"
#include "mathtool.h"
#include "hwsetup.h"
#include "bikethrottle.h"

/******************************
 *
 * static Parameter
 *
 ******************************/
static BIKETHROTTLE_COF bikethrottle_stBikeThrottleCof = BIKETHROTTLE_COF_DEFAULT;
static LPF_OUT          scm_stBikeThrottleLpf;
BIKETHROTTLE_OUT        bikethrottle_stBikeThrottleOut = BIKETHROTTLE_OUT_DEFAULT;

/******************************
 *
 * extern Parameter
 *
 ******************************/
UWORD Bikethrottle_uwDMAReg = 0;

/***************************************************************
 Function: bikethrottle_voBikeThrottleCof;
 Description: bikethrottle coef cal
 Call by: functions in main loop;
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A;
 Reference: N/A
****************************************************************/
void bikethrottle_voBikeThrottleCof(void)
{
    ULONG ulLpfTm = 0;

    bikethrottle_stBikeThrottleCof.uwMaxThrottleVolOutputPu = ((ULONG)BIKETHROTTLE_VOLTAGE_MAX_RANGE << 14) / (VBASE * 100); // Q15
    bikethrottle_stBikeThrottleCof.uwMinThrottleVolOutputPu = ((ULONG)BIKETHROTTLE_VOLTAGE_MIN_RANGE << 14) / (VBASE * 100); // Q15
    bikethrottle_stBikeThrottleCof.uwThrottleVolSen2McuGain = BIKETHROTTLE_VOLTAGE_SEN2MCUGAIN;
    bikethrottle_stBikeThrottleCof.uwThrottleVolLPFFrq = BIKETHROTTLE_LPF_FRQ;
    bikethrottle_stBikeThrottleCof.uwThrottleVolLPFDisFrq = BIKETHROTTLE_LPF_DISCRETEHZ;
    bikethrottle_stBikeThrottleCof.uwThrottleVolReg2Pu = (((SQWORD)33 << 24) / 10) / (1 << ADC_RESOLUTION_BIT) /
                                                         bikethrottle_stBikeThrottleCof.uwThrottleVolSen2McuGain * 100 * 10 /
                                                         VBASE; // Real Voltage to Pu Q24
    // 3.3/4096/harwaregain/VBase;
    bikethrottle_stBikeThrottleCof.uwThrottleOffsetPu = bikethrottle_stBikeThrottleCof.uwMinThrottleVolOutputPu;

    /* Bike Throttle limit coef */
    ulLpfTm = 1000000 / bikethrottle_stBikeThrottleCof.uwThrottleVolLPFFrq;
    mth_voLPFilterCoef(ulLpfTm, bikethrottle_stBikeThrottleCof.uwThrottleVolLPFDisFrq, &scm_stBikeThrottleLpf.uwKx);

    bikethrottle_stBikeThrottleCof.uwThrottleErrorCnt = BIKETHROTTLE_ERROR_TIME / BIKETHROTTLE_ERROE_TIMEUNIT;
    bikethrottle_stBikeThrottleCof.uwThrottleRecoverCnt = BIKETHROTTLE_RECOVER_TIME / BIKETHROTTLE_ERROE_TIMEUNIT;
}

/***************************************************************
 Function: bikethrottle_voBikeThrottleInit;
 Description: Bike throttle signal initialization
 Call by: functions in main loop;
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A;
 Reference: N/A
****************************************************************/
void bikethrottle_voBikeThrottleInit(void)
{
    bikethrottle_stBikeThrottleOut.uwThrottleVolReg = 0;
    bikethrottle_stBikeThrottleOut.uwThrottleVolPu = 0;
    bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu = 0;
    bikethrottle_stBikeThrottleOut.blThrottleErrorFlg = FALSE;
    bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt = 0;
    bikethrottle_stBikeThrottleOut.uwThrottleRecoverCnt = 0;
}

/***************************************************************
 Function: bikethrottle_voBikeThrottleADC;
 Description: bikethrottle get
 Call by: functions in main loop;
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A;
 Reference: N/A
****************************************************************/
void bikethrottle_voBikeThrottleADC(void) // need to match ADC_StartConversion(ADC1);
{
    if (bikethrottle_stBikeThrottleOut.blThrottleErrorFlg == TRUE)
    {
        bikethrottle_stBikeThrottleOut.uwThrottleVolPu = 0;
        bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu = 0;
        bikethrottle_stBikeThrottleOut.uwThrottleRecoverCnt++;
        if (bikethrottle_stBikeThrottleOut.uwThrottleRecoverCnt == bikethrottle_stBikeThrottleCof.uwThrottleRecoverCnt)
        {
            bikethrottle_stBikeThrottleOut.blThrottleErrorFlg = FALSE;
            bikethrottle_stBikeThrottleOut.uwThrottleRecoverCnt = 0;
        }
    }
    else
    {
        bikethrottle_stBikeThrottleOut.uwThrottleVolReg = hw_uwADC0[6]; //hw_uwADC2[6]; 
        bikethrottle_stBikeThrottleOut.uwThrottleVolPu =
            ((SQWORD)bikethrottle_stBikeThrottleOut.uwThrottleVolReg * bikethrottle_stBikeThrottleCof.uwThrottleVolReg2Pu) >> 10; // Q14
        mth_voLPFilter(bikethrottle_stBikeThrottleOut.uwThrottleVolPu, &scm_stBikeThrottleLpf);
        bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu = scm_stBikeThrottleLpf.slY.sw.hi;

        if (bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu < bikethrottle_stBikeThrottleCof.uwMinThrottleVolOutputPu)
        {
            bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu = bikethrottle_stBikeThrottleCof.uwMinThrottleVolOutputPu;
            bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt++;
            if (bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt == bikethrottle_stBikeThrottleCof.uwThrottleErrorCnt)
            {
                bikethrottle_stBikeThrottleOut.blThrottleErrorFlg = TRUE;
                bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt = 0;
            }
        }
        else if (bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu > bikethrottle_stBikeThrottleCof.uwMaxThrottleVolOutputPu)
        {
            bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu = bikethrottle_stBikeThrottleCof.uwMaxThrottleVolOutputPu;
            bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt++;
            if (bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt == bikethrottle_stBikeThrottleCof.uwThrottleErrorCnt)
            {
                bikethrottle_stBikeThrottleOut.blThrottleErrorFlg = TRUE;
                bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt = 0;
            }
        }
        else
        {
            bikethrottle_stBikeThrottleOut.uwThrottleErrorCnt = 0;
            bikethrottle_stBikeThrottleOut.uwThrottlePercent =
                (bikethrottle_stBikeThrottleOut.uwThrottleVolLPFPu - bikethrottle_stBikeThrottleCof.uwThrottleOffsetPu) * 1000 /
                (bikethrottle_stBikeThrottleCof.uwMaxThrottleVolOutputPu - bikethrottle_stBikeThrottleCof.uwMinThrottleVolOutputPu);
        }
    }
}

/*************************************************************************
 End of this File (EOF)!
 Do not put anything after this part!
*************************************************************************/