motor_ctl-4/User project/3.BasicFunction/Source/bikespeed.c

/**
 * @file Cadence.c
 * @author Wang, Zhiyu(wangzy49@midea.com)
 * @brief Cadence 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 "mathtool.h"
#include "bikespeed.h"
#include "CodePara.h"
#include "api.h"
#include "board_config.h"
#include "AssistCurve.h"
/******************************
 *
 *  Parameter
 *
 ******************************/
BIKESPEED_COF bikespeed_stFreGetCof = BIKESPEED_COF_DEFAULT;
BIKESPEED_OUT bikespeed_stFreGetOut = BIKESPEED_OUT_DEFAULT;

BIKESPDPI_IN bikespeed_stPIIn;
static BIKESPDPI_COF  bikespeed_stPICof;
BIKESPDPI_OUT bikespeed_stPIOut;
LPF_OUT bike_pvt_stCurLpf;
BIKESPDLIMIT_COEF bikespeed_stSpdLimCoef;

static ULONG bikespeed_pvt_FreqPu = 0;
/***************************************************************
 Function: bikespeed_voBikeSpeedCof
 Description: Bike speed cof calculation
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A;
 Reference: N/A
****************************************************************/
void bikespeed_voBikeSpeedCof(void)
{
#ifdef RUN_ARCH_SIM 
    bikespeed_stFreGetCof.uwNumbersPulses = BIKESPEED_NUMBERS_PULSES;
#endif
    bikespeed_stFreGetCof.uwSartIntervalTimeCnt = BIKESPEED_START_INTERVALTIME / BIKESPEED_TIM_TIMERUNIT;
    bikespeed_stFreGetCof.uwNumbersValidPulse2Start = BIKESPEED_NUMBERS_VALIDPULSE2START;
    bikespeed_stFreGetCof.uwHfMinTimeCnt = BIKESPEED_HF_MINTIME / BIKESPEED_TIM_TIMERUNIT;
    bikespeed_stFreGetOut.uwCaputureOverflowMinCnt= bikespeed_stFreGetCof.uwHfMinTimeCnt;
    bikespeed_stFreGetCof.uwErrorResetCnt = BIKESPEED_ERROR_RESETTIME / BIKESPEED_TIM_TIMERUNIT;
    bikespeed_stFreGetCof.uwTimerUnit = BIKESPEED_TIM_TIMERUNIT;
    bikespeed_stFreGetCof.uwBikeSpeedLPFGain = BIKESPEED_LPF_GAIN;
    bikespeed_stFreGetCof.uwMaxBikeSpeedFre = ((ULONG)BIKESPEED_MAX_FREQUENCY << 20) / FBASE;

    bikespeed_stFreGetCof.uwBikespeedPwrErrorCnt = BIKESPEED_POWER_ERROR_DETECT / BIKESPEED_POWER_ERROR_TIMEUNIT;
    bikespeed_stFreGetCof.uwBikespeedPwrRecoverCnt = BIKESPEED_POWER_ERROR_RECOVER / BIKESPEED_POWER_ERROR_TIMEUNIT;
    bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuDown = ((ULONG)BIKESPEED_POWER_ERROR_VOLTAGE_DOWN << 14) / VBASE;
    bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuUp = ((ULONG)BIKESPEED_POWER_ERROR_VOLTAGE_UP << 14) / VBASE;
    bikespeed_stFreGetCof.uwWheelPerimeter = 600;
    bikespeed_stFreGetCof.uwMinTriptoUpdate = 100; // 100m
    bikespeed_stFreGetCof.uwBikespeedKmh2Pu = (1000 << 20)/(FBASE * (ass_stParaCong.uwWheelPerimeter + ass_stParaCong.swDeltPerimeter) * 36);
    
    if(0 == ass_stParaCong.uwThrottleMaxSpdKmH)
    {
        bikespeed_stSpdLimCoef.blThrottleExist = FALSE;
    }
    else
    {
        bikespeed_stSpdLimCoef.blThrottleExist = TRUE;
    }
    bikespeed_stSpdLimCoef.uwBikeSpdThresHold1 = (ass_stParaCong.uwThrottleMaxSpdKmH-2)*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
#if(HUAYAO_ENABLE == 1)
    bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 = ass_stParaCong.uwThrottleMaxSpdKmH*bikespeed_stFreGetCof.uwBikespeedKmh2Pu + bikespeed_stFreGetCof.uwBikespeedKmh2Pu/5;
#else
    bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 = ass_stParaCong.uwThrottleMaxSpdKmH*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
#endif
    bikespeed_stSpdLimCoef.ulBikeSpdDeltInv = ((SQWORD)1 << 20) / (bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 - bikespeed_stSpdLimCoef.uwBikeSpdThresHold1); // Q20;
    bikespeed_stSpdLimCoef.uwBikeSpdRefIncrease = (ass_stParaCong.uwThrottleSmooth>>8)*10;
    bikespeed_stSpdLimCoef.uwBikeSpdRefDecrease = (ass_stParaCong.uwThrottleSmooth&0xFF)*10;
}
/***************************************************************
 Function: bikespeed_voSetThrottleMaxSpd
 Description:  
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
void bikespeed_voSetThrottleMaxSpd(UWORD uwBikeGear)
{
    UWORD uwBikeSpdThresHold2;
    if((ass_stParaCong.uwThrottleGearEN & 0xFF) == 0xAA)
    {
        switch(uwBikeGear)
        {
            case 0x01:
                uwBikeSpdThresHold2 = (ass_stParaCong.uwThrottleMaxSpdKmH * bikespeed_stFreGetCof.uwBikespeedKmh2Pu * 9) >> 4;
                break;
            case 0x02:
                uwBikeSpdThresHold2 = (ass_stParaCong.uwThrottleMaxSpdKmH * bikespeed_stFreGetCof.uwBikespeedKmh2Pu * 11) >> 4;
                break;
            case 0x03:
                uwBikeSpdThresHold2 = (ass_stParaCong.uwThrottleMaxSpdKmH * bikespeed_stFreGetCof.uwBikespeedKmh2Pu * 13) >> 4;
                break;
            case 0x04:
                uwBikeSpdThresHold2 = ass_stParaCong.uwThrottleMaxSpdKmH * bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
                break;
            default:
                uwBikeSpdThresHold2 = ass_stParaCong.uwThrottleMaxSpdKmH * bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
                break;
        }
        
        bikespeed_stSpdLimCoef.uwBikeSpdThresHold1 = uwBikeSpdThresHold2 - 2*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
        bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 = uwBikeSpdThresHold2;
        bikespeed_stSpdLimCoef.ulBikeSpdDeltInv = ((SQWORD)1 << 20) / (bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 - bikespeed_stSpdLimCoef.uwBikeSpdThresHold1); // Q20;
    }
    
#if(WEITUER_ENABLE == 1)
    static UBYTE SetMaxThrottleSpeddMode = 0;
    
    if(bikethrottle_stBikeThrottleOut.uwThrottlePercent > 200)
    {
        if(cadence_stFreGetOut.uwLPFFrequencyPu > 3750)             //15RPM*250Pu
        {
            if(SetMaxThrottleSpeddMode == 0)
            {
                SetMaxThrottleSpeddMode = 1;
                
                bikespeed_stSpdLimCoef.uwBikeSpdThresHold1 = (ass_stParaSet.uwAssistLimitBikeSpdStart - 2)*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
                bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 = ass_stParaSet.uwAssistLimitBikeSpdStart*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
                bikespeed_stSpdLimCoef.ulBikeSpdDeltInv = ((SQWORD)1 << 20) / (bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 - bikespeed_stSpdLimCoef.uwBikeSpdThresHold1); // Q20;
            }
        }
        else if(cadence_stFreGetOut.uwLPFFrequencyPu <= 1250)       //5RPM*250Pu
        {
            if(SetMaxThrottleSpeddMode == 1)
            {
                SetMaxThrottleSpeddMode = 0;
                
                bikespeed_stSpdLimCoef.uwBikeSpdThresHold1 = (ass_stParaCong.uwThrottleMaxSpdKmH-2)*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
                bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 = ass_stParaCong.uwThrottleMaxSpdKmH*bikespeed_stFreGetCof.uwBikespeedKmh2Pu;
                bikespeed_stSpdLimCoef.ulBikeSpdDeltInv = ((SQWORD)1 << 20) / (bikespeed_stSpdLimCoef.uwBikeSpdThresHold2 - bikespeed_stSpdLimCoef.uwBikeSpdThresHold1); // Q20;
            }
        }
    }
#endif
}
/***************************************************************
 Function: bikespeed_voBikeSpeedIdle;
 Description: bike speed function in idel state
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
static void bikespeed_voBikeSpeedIdle(UWORD source)
{
    if (source == 1)
    {
        bikespeed_stFreGetOut.uwCaputureOverflowCnt++;
        if (bikespeed_stFreGetOut.uwCaputureOverflowCnt > (30000 / bikespeed_stFreGetCof.uwTimerUnit)) //  30s
        {
            bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
        }
    }
    else
    {
        if (bikespeed_stFreGetOut.uwCaputureNumCnt != 0 && bikespeed_stFreGetOut.uwCaputureOverflowCnt > bikespeed_stFreGetCof.uwSartIntervalTimeCnt)
        {
            bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
            bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
        }
        bikespeed_stFreGetOut.uwCaputureNumCnt++;
        bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
        if (bikespeed_stFreGetOut.uwCaputureNumCnt >= bikespeed_stFreGetCof.uwNumbersValidPulse2Start)
        {
            bikespeed_stFreGetOut.blBikeSpeedCalStartState = TRUE;
            bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
//            bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
            bikespeed_stFreGetOut.uwCaputureNumCnt = 1;
            bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_WORK;
            bikespeed_pvt_FreqPu = 1 * bikespeed_stFreGetCof.uwBikespeedKmh2Pu ;
            bikespeed_stFreGetOut.uwFrequencyPu =  (UWORD)bikespeed_pvt_FreqPu;  
            bikespeed_stFreGetOut.uwCaputure1Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(3));
        }
    }
}

/***************************************************************
 Function: bikespeed_voBikeSpeedWork
 Description: bike speed function in work state
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
static void bikespeed_voBikeSpeedWork(UWORD source)
{
    ULONG ulCaputureCntErr = 0;
    if (source == 1 && bikespeed_stFreGetOut.uwCaputureNumCnt == 1)
    {
        bikespeed_stFreGetOut.uwCaputureOverflowCnt++;    
    }
    else if (source == 3)
    {
        if (bikespeed_stFreGetOut.uwCaputureNumCnt == 0)
        {
            bikespeed_stFreGetOut.uwCaputureNumCnt = 1;
            bikespeed_stFreGetOut.uwCaputure1Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(3));
        }
        else if (bikespeed_stFreGetOut.uwCaputureNumCnt == 1)
        {
            bikespeed_stFreGetOut.uwCaputureNumCnt = 2;
            bikespeed_stFreGetOut.uwCaputure2Cnt = (UWORD)iCap_GetCaptureValue(0, CAP_CH(3));

            ulCaputureCntErr = (ULONG)(((UQWORD)bikespeed_stFreGetOut.uwCaputureOverflowCnt * (720 * bikespeed_stFreGetCof.uwTimerUnit))+ bikespeed_stFreGetOut.uwCaputure2Cnt
                                - bikespeed_stFreGetOut.uwCaputure1Cnt);
            
            bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = (UWORD)(bikespeed_stFreGetOut.uwCaputureOverflowCnt << 1);
            if(bikespeed_stFreGetOut.uwCaputureOverflowMinCnt > bikespeed_stFreGetCof.uwHfMinTimeCnt)
            {
                bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetCof.uwHfMinTimeCnt;
            }
            else if(bikespeed_stFreGetOut.uwCaputureOverflowMinCnt < 1)
            {
                bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = 1;
            }
            else
            {
                //do nothing
            }
            bikespeed_stFreGetOut.uwCaputureOverflowMinCntTest = bikespeed_stFreGetOut.uwCaputureOverflowMinCnt;

            /* BikeSpeed Freq Cal */
            bikespeed_pvt_FreqPu = (ULONG)(((UQWORD)720000 << 20) / ((UQWORD)ulCaputureCntErr * bikespeed_stFreGetCof.uwNumbersPulses * FBASE));
            bikespeed_stFreGetOut.uwCaputure1Cnt = bikespeed_stFreGetOut.uwCaputure2Cnt;
            bikespeed_stFreGetOut.uwBikeForwardCnt++;
            bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
            bikespeed_stFreGetOut.uwCaputureNumCnt = 1;
        }
        else
        {
        	//do nothing
        }
    }
    else
    {
    	//do nothing
    }
   
    if (bikespeed_pvt_FreqPu > bikespeed_stFreGetCof.uwMaxBikeSpeedFre) 
    {
        bikespeed_stFreGetOut.uwFrequencyPu = 0;
        bikespeed_stFreGetOut.blBikeSpeedCalStartState = FALSE;
        bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
        bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
        bikespeed_stFreGetOut.uwCaputure2Cnt = 0;
        bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
        bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_ERROR;
        bikespeed_stFreGetOut.blBikeSpeedSensorErrorFlg = TRUE;
        bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetCof.uwHfMinTimeCnt;
        cp_stHistoryPara.uwBikeSpdSensorAlamTimes++;
    }
    else if (bikespeed_stFreGetOut.uwCaputureOverflowCnt > bikespeed_stFreGetOut.uwCaputureOverflowMinCnt) 
    {
        bikespeed_stFreGetOut.uwFrequencyPu = 0;
        bikespeed_stFreGetOut.blBikeSpeedCalStartState = FALSE;
        bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
        bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
        bikespeed_stFreGetOut.uwCaputure2Cnt = 0;
        bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
        bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_IDLE;
        bikespeed_stFreGetOut.uwCaputureOverflowMinCnt = bikespeed_stFreGetCof.uwHfMinTimeCnt;
    }
    else 
    {
        bikespeed_stFreGetOut.uwFrequencyPu = (UWORD)bikespeed_pvt_FreqPu;
    }
}

/***************************************************************
 Function: bikespeed_voBikeSpeedError
 Description: bike speed error judge
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
static void bikespeed_voBikeSpeedError(UWORD source)
{
    if (source == 1)
    {
        bikespeed_stFreGetOut.uwCaputureErrorCnt++;
    }

    if (bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg != TRUE &&
        bikespeed_stFreGetOut.uwCaputureErrorCnt >= bikespeed_stFreGetCof.uwErrorResetCnt)
    {
        bikespeed_voBikeSpeedInit();
    }
}

void bikespeed_voGetBikeSpeedPwrError(UWORD BikeSpeedPwrVolPu)
{
    if ((bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg != TRUE) && (BikeSpeedPwrVolPu > bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuUp ||
                                                                         BikeSpeedPwrVolPu < bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuDown))
    {
        bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt++;
        if (bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt == bikespeed_stFreGetCof.uwBikespeedPwrErrorCnt)
        {
            bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_ERROR;
            bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg = TRUE;
            bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = 0;
            cp_stHistoryPara.uwBikeSpdSensorAlamTimes++;
        }
    }
    else
    {
        bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = 0;
    }

    if ((bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg == TRUE) && (BikeSpeedPwrVolPu < bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuUp &&
                                                                         BikeSpeedPwrVolPu > bikespeed_stFreGetCof.uwBikespeedPwrErrorVoltagePuDown))
    {
        bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt++;
        if (bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt == bikespeed_stFreGetCof.uwBikespeedPwrRecoverCnt)
        {
            bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_IDLE;
            bikespeed_stFreGetOut.blBikeSpeedSensorPwrErrorFlg = FALSE;
            bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt = 0;
            bikespeed_stFreGetOut.uwCaputureErrorCnt = 0;
        }
    }
    else
    {
        bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt = 0;
    }
}

/***************************************************************
 Function: bikespeed_voBikeSpeedInit
 Description: Bike speed initialization
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
void bikespeed_votempTripCal(void)
{
    UWORD Temptrip;
    Temptrip = (ULONG)(ass_stParaCong.uwWheelPerimeter + ass_stParaCong.swDeltPerimeter)* bikespeed_stFreGetOut.uwBikeForwardCnt /100; //219cm
    if (Temptrip > bikespeed_stFreGetCof.uwMinTriptoUpdate)
    {
        bikespeed_stFreGetOut.uwBikeForwardCnt = 0;
        bikespeed_stFreGetOut.blUpdateTripCntFlg = TRUE;
    }
} 

/***************************************************************
  Function: bikespeed_voBikeSpeedInit
  Description: Bike speed initialization
  Call by: 
  Input Variables: N/A
  Output/Return Variables: N/A
  Subroutine Call: N/A
  Reference: N/A
 ****************************************************************/
void bikespeed_voBikeSpeedInit(void)
{
    bikespeed_stFreGetOut.uwFrequencyPu = 0;
    bikespeed_stFreGetOut.uwLPFFrequencyPu = 0;
    bikespeed_stFreGetOut.uwCaputure1Cnt = 0;
    bikespeed_stFreGetOut.uwCaputure2Cnt = 0;
    bikespeed_stFreGetOut.uwCaputureNumCnt = 0;
    bikespeed_stFreGetOut.uwCaputureOverflowCnt = 0;
    bikespeed_stFreGetOut.uwCaputureErrorCnt = 0;
    bikespeed_stFreGetOut.blBikeSpeedSensorErrorFlg = FALSE;
    bikespeed_stFreGetOut.blBikeSpeedCalStartState = FALSE;
    bikespeed_stFreGetOut.bikespeed_fsm = BIKESPEED_IDLE;
    bikespeed_stFreGetOut.uwBikespeedPwrErrorCnt = 0;
    bikespeed_stFreGetOut.uwBikespeedPwrRecoverCnt = 0;
    bikespeed_stFreGetOut.uwCaputureOverflowMinCntTest = 0;
    mth_voLPFilterCoef(1000000 / 25, EVENT_1MS_HZ/100, &bike_pvt_stCurLpf.uwKx); //100Hz
}

/***************************************************************
 Function: bikespeed_voBikeSpeedCal;
 Description: bike speed FSM
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
void bikespeed_voBikeSpeedCal(UWORD source)
{
    switch (bikespeed_stFreGetOut.bikespeed_fsm)
    {
    case BIKESPEED_IDLE:
        bikespeed_voBikeSpeedIdle(source);
        break;
    case BIKESPEED_WORK:
        bikespeed_voBikeSpeedWork(source);
        break;
    case BIKESPEED_ERROR:
        bikespeed_voBikeSpeedError(source);
        break;
    default:
        break;
    }
}

/***************************************************************
 Function: bikespeed_voPIInit
 Description:  
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
void bikespeed_voPIInit(void)
{
    bikespeed_stPIOut.slErrorZ1 = 0;
    bikespeed_stPIOut.slIqRefPu = 0;
    bikespeed_stPIOut.swIqRefPu = 0;
}
/***************************************************************
 Function: bikespeed_voPICoef
 Description:  
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
void bikespeed_voPICoef(void)
{
     bikespeed_stPICof.uwKpPu = 25000 ;   //Q15
     bikespeed_stPICof.uwKiPu = 500 ;    //Q15
}
/***************************************************************
 Function: bikespeed_voPI
 Description:  
 Call by: 
 Input Variables: N/A
 Output/Return Variables: N/A
 Subroutine Call: N/A
 Reference: N/A
****************************************************************/
UWORD uwBikeSpeedGain;
void bikespeed_voPI(const BIKESPDPI_IN *in, BIKESPDPI_OUT *out)
{
    SLONG  slIqMaxPu, slIqMinPu;  // Q30
    SLONG  slSpdErrPu, slDeltaErrPu; //Q20
    SQWORD sqIqRefPu, sqIqpPu, sqIqiPu; //Q30
    
    slIqMaxPu = (SLONG)in->swIqMaxPu << 16; // Q14+Q16=Q30
    slIqMinPu = (SLONG)in->swIqMinPu << 16; // Q14+Q16=Q30

    slSpdErrPu = (SLONG)in->slSpdRefPu - in->slSpdFdkPu; // Q20
    if (slSpdErrPu > 1048576L)
    {
        slSpdErrPu = 1048576L;
    }
    else if (slSpdErrPu < -1048576L)
    {
        slSpdErrPu = -1048576L;
    }
    else
    {
    /* Nothing */
    }
    
    slDeltaErrPu = slSpdErrPu - out->slErrorZ1;
    if (slDeltaErrPu > 1048576L)
    {
    	slDeltaErrPu = 1048576L;
    }
    else if (slDeltaErrPu < -1048576L)
    {
    	slDeltaErrPu = -1048576L;
    }
    else
    {
    /* Nothing */
    }
    
    bikespeed_stPICof.uwKpPu = 10000; 
    bikespeed_stPICof.uwKiPu = 20000; 

//    bikespeed_stPICof.uwKpPu = 25000; 
//    if(((SWORD)ABS(out->slErrorZ1) - (SWORD)ABS(slSpdErrPu)) > 20)   //Fast Approach
//    {
//        bikespeed_stPICof.uwKiPu = 0; 
//        
//        if(slSpdErrPu < 0 && slSpdErrPu > (SWORD)-3 * BIKESPEED_KMPERH2FREQPU)
//        {
//            bikespeed_stPICof.uwKpPu = 6250;
//            bikespeed_stPICof.uwKiPu = 200;
//        }
//        else if(slSpdErrPu <= (SWORD)-3 * BIKESPEED_KMPERH2FREQPU)
//        {
//            bikespeed_stPICof.uwKpPu = 6250;
//            bikespeed_stPICof.uwKiPu = 400;
//        }
//        else
//        {
//        	//do nothing
//        }
//    }
//    else if(((SWORD)ABS(out->slErrorZ1) - (SWORD)ABS(slSpdErrPu)) > 0) //Fast Approach
//    {
//        if(in->slSpdFdkPu<500)
//        {
//            bikespeed_stPICof.uwKiPu = 500;
//        }
//        else
//        {
//            bikespeed_stPICof.uwKiPu = 1000; 
//        }
//        
//        if(slSpdErrPu < 0 && slSpdErrPu > (SWORD)-3 * BIKESPEED_KMPERH2FREQPU)
//        {
//            bikespeed_stPICof.uwKpPu = 6250;
//            bikespeed_stPICof.uwKiPu = 200;
//        }
//        else if(slSpdErrPu <= (SWORD)-3 * BIKESPEED_KMPERH2FREQPU)
//        {
//            bikespeed_stPICof.uwKpPu = 6250;
//            bikespeed_stPICof.uwKiPu = 400;
//        }
//        else
//        {
//        	//do nothing
//        }
//    }
//    else  //Away
//    {
//        if(in->slSpdFdkPu<500)
//        {
//            bikespeed_stPICof.uwKiPu = 500;
//        }
//        else
//        {
//            bikespeed_stPICof.uwKiPu = 3000; 
//        }
//            
//        if(slSpdErrPu > (0 * BIKESPEED_KMPERH2FREQPU) && slSpdErrPu <= (3 * BIKESPEED_KMPERH2FREQPU))
//        {
//            bikespeed_stPICof.uwKiPu  = 0;
//        }
//    }
//    
//    if(in->slSpdFdkPu >= (27 * BIKESPEED_KMPERH2FREQPU))
//    {
//        bikespeed_stPICof.uwKiPu  = 6000;
//    }
//    
    sqIqpPu = ((SQWORD)slDeltaErrPu * bikespeed_stPICof.uwKpPu) << 4; // Q30     
    sqIqiPu = (SQWORD)slSpdErrPu * bikespeed_stPICof.uwKiPu ; // Q30
    sqIqRefPu = sqIqpPu + sqIqiPu + (SQWORD)out->slIqRefPu; // Q30

    if (sqIqRefPu > slIqMaxPu)
    {
        out->slIqRefPu = slIqMaxPu;
    }
    else if (sqIqRefPu < slIqMinPu)
    {
        out->slIqRefPu = slIqMinPu;
    }
    else
    {
        out->slIqRefPu = (SLONG)sqIqRefPu;
    }
    
    if (in->slSpdFdkPu <= bikespeed_stSpdLimCoef.uwBikeSpdThresHold1)
    {
        uwBikeSpeedGain = Q12_1; // Q12
        
    }
    else if (in->slSpdFdkPu > bikespeed_stSpdLimCoef.uwBikeSpdThresHold1 && in->slSpdFdkPu <= bikespeed_stSpdLimCoef.uwBikeSpdThresHold2)
    {
        uwBikeSpeedGain  =
            Q12_1 -
            ((((SQWORD)in->slSpdFdkPu - (SQWORD)bikespeed_stSpdLimCoef.uwBikeSpdThresHold1 ) * (SQWORD)ass_stCurLimCoef.ulBikeSpdDeltInv) >> 8); // Q12
    }
    else
    {
        uwBikeSpeedGain  = 0;
    }
    mth_voLPFilter(uwBikeSpeedGain, &bike_pvt_stCurLpf); 
    
//    if (in->slSpdFdkPu <= 33*BIKESPEED_KMPERH2FREQPU)
//    {
//        uwBikeSpeedGain = Q12_1; // Q12
//        
//    }
//    else if (in->slSpdFdkPu > 33*BIKESPEED_KMPERH2FREQPU && in->slSpdFdkPu <= 37*BIKESPEED_KMPERH2FREQPU)
//    {
//        uwBikeSpeedGain  =
//            Q12_1 -
//            ((((SQWORD)in->slSpdFdkPu - (SQWORD)33*BIKESPEED_KMPERH2FREQPU ) * (SQWORD)ass_CurLimCoef.ulBikeSpdDeltInv) >> 9); // Q12
//    }
//    else
//    {
//        uwBikeSpeedGain  = 0;
//    }
//    mth_voLPFilter(uwBikeSpeedGain, &bike_pvt_stCurLpf); 
 
//    out->swIqRefPu = (SWORD)(out->slIqRefPu >> 16); // Q30-Q16=Q14
    out->swIqRefPu = ((SLONG)(cp_stMotorPara.swIpeakMaxA * in->slSpdRefPu / ass_stParaCong.uwThrottleMaxSpdKmH /bikespeed_stFreGetCof.uwBikespeedKmh2Pu) << 14) / IBASE ;
    out->slErrorZ1 = slSpdErrPu;
}
/*************************************************************************
 Local Functions (N/A)
*************************************************************************/

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