C++ (Cpp) BattThermistorConverTempの例

コード例 #1

ファイル: mtk_ts_battery2.c プロジェクト: beyondmtk/MT6589_kernel_source

/* convert ADC_bat_temp_volt to register */
static INT16 BattVoltToTemp(UINT32 dwVolt)
{
    INT32 TRes;
    INT32 dwVCriBat = 0; 
    INT32 sBaTTMP = -100;

    //SW workaround-----------------------------------------------------
    //dwVCriBat = (TBAT_OVER_CRITICAL_LOW * 1800) / (TBAT_OVER_CRITICAL_LOW + 39000);
    dwVCriBat = (TBAT_OVER_CRITICAL_LOW * RBAT_PULL_UP_VOLT) / (TBAT_OVER_CRITICAL_LOW + RBAT_PULL_UP_R);
        
    if(dwVolt > dwVCriBat)
    {
        TRes = TBAT_OVER_CRITICAL_LOW;
    }
    else
    {
        //TRes = (39000*dwVolt) / (1800-dwVolt);
        TRes = (RBAT_PULL_UP_R*dwVolt) / (RBAT_PULL_UP_VOLT-dwVolt);    
    }
    //------------------------------------------------------------------

    g_BAT_TemperatureR = TRes;

    /* convert register to temperature */
    sBaTTMP = BattThermistorConverTemp(TRes);
  
    return sBaTTMP;
}

コード例 #2

ファイル: mtk_ts_battery2.c プロジェクト: Scorpio92/mediatek

/*Volt to Temp formula same with 6589*/
static INT16 BattVoltToTemp(UINT32 dwVolt)
{
    INT32 TRes;
    INT32 dwVCriBat = 0;
    INT32 sBaTTMP = -100;

    //SW workaround-----------------------------------------------------
    //dwVCriBat = (TBAT_OVER_CRITICAL_LOW * 1800) / (TBAT_OVER_CRITICAL_LOW + 39000);
    #ifdef INPUT_PARAM_FROM_USER
    //dwVCriBat = (TBAT_OVER_CRITICAL_LOW * RBAT_PULL_UP_VOLT) / (TBAT_OVER_CRITICAL_LOW + RBAT_PULL_UP_R);
    dwVCriBat = (g_Tbat_over_critical_low * g_Rbat_pull_up_voltage) / (g_Tbat_over_critical_low + g_Rbat_pull_up_R);

    if(dwVolt > dwVCriBat)
    {
        TRes = g_Tbat_over_critical_low;
    }
    else
    {
        //TRes = (39000*dwVolt) / (1800-dwVolt);
       // TRes = (RBAT_PULL_UP_R*dwVolt) / (RBAT_PULL_UP_VOLT-dwVolt);
        TRes = (g_Rbat_pull_up_R*dwVolt) / (g_Rbat_pull_up_voltage-dwVolt);
    }
    //------------------------------------------------------------------
	#else
    //SW workaround-----------------------------------------------------
    //dwVCriBat = (TBAT_OVER_CRITICAL_LOW * 1800) / (TBAT_OVER_CRITICAL_LOW + 39000);
    dwVCriBat = (TBAT_OVER_CRITICAL_LOW * RBAT_PULL_UP_VOLT) / (TBAT_OVER_CRITICAL_LOW + RBAT_PULL_UP_R);

    if(dwVolt > dwVCriBat)
    {
        TRes = TBAT_OVER_CRITICAL_LOW;
    }
    else
    {
        //TRes = (39000*dwVolt) / (1800-dwVolt);
        TRes = (RBAT_PULL_UP_R*dwVolt) / (RBAT_PULL_UP_VOLT-dwVolt);
    }
    //------------------------------------------------------------------
    #endif
    g_BAT_TemperatureR = TRes;

    /* convert register to temperature */
    sBaTTMP = BattThermistorConverTemp(TRes);

    return sBaTTMP;
}

コード例 #3

ファイル: mt_battery.c プロジェクト: yangxianting/mediatek

int BattVoltToTemp(int dwVolt)
{
    kal_int64 TRes_temp;
    kal_int64 TRes;
    int sBaTTMP = -100;

    // TRes_temp = ((kal_int64)RBAT_PULL_UP_R*(kal_int64)dwVolt) / (RBAT_PULL_UP_VOLT-dwVolt); 
    //TRes = (TRes_temp * (kal_int64)RBAT_PULL_DOWN_R)/((kal_int64)RBAT_PULL_DOWN_R - TRes_temp);

    TRes_temp = (RBAT_PULL_UP_R*(kal_int64)dwVolt); 
    do_div(TRes_temp, (RBAT_PULL_UP_VOLT-dwVolt));

    TRes = (TRes_temp * RBAT_PULL_DOWN_R);
    do_div(TRes, abs(RBAT_PULL_DOWN_R - TRes_temp));

    /* convert register to temperature */
    sBaTTMP = BattThermistorConverTemp((int)TRes);
      
    return sBaTTMP;
}

コード例 #4

/* convert ADC_bat_temp_volt to register */
int BattVoltToTemp(int dwVolt)
{
	int TRes;
	int dwVCriBat = (TBAT_OVER_CRITICAL_LOW*RBAT_PULL_UP_VOLT)/(TBAT_OVER_CRITICAL_LOW+RBAT_PULL_UP_R); //~2000mV
	int sBaTTMP = -100;

	if(dwVolt > dwVCriBat)
		TRes = TBAT_OVER_CRITICAL_LOW;
	else
		TRes = (RBAT_PULL_UP_R*dwVolt)/(RBAT_PULL_UP_VOLT-dwVolt);		

	/* convert register to temperature */
	sBaTTMP = BattThermistorConverTemp(TRes);

	//#ifdef CONFIG_DEBUG_MSG_NO_BQ27500
	LOGD(TAG "ft-BattVoltToTemp() : TBAT_OVER_CRITICAL_LOW = %d\n", TBAT_OVER_CRITICAL_LOW);
	LOGD(TAG "ft-BattVoltToTemp() : RBAT_PULL_UP_VOLT = %d\n", RBAT_PULL_UP_VOLT);
	LOGD(TAG "ft-BattVoltToTemp() : dwVolt = %d\n", dwVolt);
	LOGD(TAG "ft-BattVoltToTemp() : TRes = %d\n", TRes);
	LOGD(TAG "ft-BattVoltToTemp() : sBaTTMP = %d\n", sBaTTMP);
	//#endif
	
	return sBaTTMP;
}