#include "1ADC.h"


void  Adc_Init(ad_data_s * data_p)
{ 

	CDIF_CR_INTF_EN_Setable(ENABLE);						//¿çµçÔ´Óò½Ó¿ÚʹÄÜ
	VRTC_Init_RCMF_Trim();
	VRTC_RCMFCR_EN_Setable(ENABLE);
	VRTC_ADCCR_CKS_Set(VRTC_ADCCR_CKS_RCMF_2);				//ADC¹¤×÷ʱÖÓÑ¡Ôñ
	VRTC_ADCCR_CKE_Setable(ENABLE);							//ADC¹¤×÷ʱÖÓʹÄÜ
	ADC_CFGR_BUFSEL_Set(data_p->ad_ch);  //(ADC_CFGR_BUFSEL_ADC_IN9);			//ADCÊäÈëͨµÀÑ¡Ôñ
  
	ADC_CFGR_BUFEN_Setable(ENABLE);							//ADCÊäÈëͨµÀbufferʹÄÜ/½ûÖ¹
	ADC_CR_MODE_Set(ADC_CR_MODE_EXTERNAL);					//ADC¹¤×÷ģʽѡÔñÍⲿÀÛ¼ÓÆ÷
	ADC_CR_RSTCTRL_EN_Setable(ENABLE);					    //ÔÊÐí»ý·ÖÆ÷Íⲿ¸´Î»
	ADC_CFGR_ACC_PERIOD_Set(ADC_CFGR_ACC_PERIOD_14BITS);    //ÍⲿÀÛ¼ÓÆ÷ÀÛ¼ÓÖÜÆÚÅäÖÃ
	ADC_CR_HPEN_Set(ADC_CR_HPEN_1MHZ);
	
  ADC_TRIM_Write(0X7FF);									//adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä4ms
//    ADC_TRIM_Write(0X3FF);									//adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä2ms
//	ADC_TRIM_Write(0X1FF);									//adcƵÂÊ1M ʱ ¼ÆËãʱ¼ä1ms
  
	ADC_CR_ACC_IE_Setable(DISABLE);							//ÍⲿÀÛ¼ÓģʽÖжϽûÖ¹
	ADC_CR_EN_Setable(DISABLE);								//ADC¹Ø±Õ

}				  


float ADC_vol_cal(uint32_t adc_data)
{
	float Volt = 0;
	Volt = (adc_data*const_adc_Slope/1000.0)+const_adc_Offset/100.0;	

	if(Volt<0) //VoltΪ¸ºÖµ
	{
			Volt=0;
	}
	return Volt;
}

uint08 ADC_wait_finish(void)
{
	uint32 timeout=0;
	do
	{
        if(SET == ADC_ISR_ACC_IF_Chk()) return 0;//ÍⲿÀÛ¼Ó
			
	}while(timeout++ < 0xFFFFFFFFU);
	return 1;//³¬Ê±
}

u16 Temp_GetADCData(void)
{
	volatile int32_t fVlotage = 0;
	uint32 fTempADC = 0;
	ADC_CR_EN_Setable(ENABLE);		   //ADCÆô¶¯

	ADC_ISR_ACC_IF_Clr();			    //ÍⲿÀÛ¼ÓÇå³ýÖжϱêÖ¾
	if(0 == ADC_wait_finish())	    //µÈ´ýת»»Íê³É
		fTempADC = ADC_DR_Read();	//¶ÁÈ¡ADÖµ
	else
		return 0;
	fVlotage = ADC_vol_cal(fTempADC);//ADֵת»»Îªµçѹ,µçÔ´µçѹΪ5V

	return fVlotage;
}


uint16 Get_vol_Average(ad_data_s * data_p)
{
	u32  	i, j, t;
	uint16	temp;
	uint32 	temp_vol;
	
	Adc_Init(data_p);

	for(i = 0; i < data_p->ad_buffer_cnt; i ++)
	{
		data_p->ad_get_address_p[i] = Temp_GetADCData();		
	}
	
	for(i = 0; i < data_p->ad_buffer_cnt; i ++)
	{  
		for(j = (i + 1); j < data_p->ad_buffer_cnt; j ++)
		if(data_p->ad_get_address_p[j] < data_p->ad_get_address_p[i])
		{	 
			temp     = data_p->ad_get_address_p[j];
			data_p->ad_get_address_p[j] = data_p->ad_get_address_p[i];
			data_p->ad_get_address_p[i] = temp;
		}
	}
	temp_vol = 0;
	for(t = 5; t < (data_p->ad_buffer_cnt - 5); t ++)
	{
		temp_vol += data_p->ad_get_address_p[t];
	}

  temp_vol  = temp_vol /(data_p->ad_buffer_cnt - 10); 	
	

	return (uint16)temp_vol;
}


//--------------------------------------------------------------------------------------------------------
/******************************************
 * func:    get_alka_bat_voltage
 * desc:    Get alka ADC data
 * input:   none
 * output:  none
 * return:  none
 *****************************************/
float get_alka_bat_voltage(void)
{
	uint32	volt_ret;
	float	sample_vol;
	ad_data_s  data_ins;
	float	battery_vol;
	
	data_ins.ad_buffer_cnt		= AD_ALKA_BAT_CNT;		  
	data_ins.ad_ch						= AD_ALKA_BAT_CH;

	volt_ret = Get_vol_Average(&data_ins);//10 - channel  3300 - 3.3v vref
	if(volt_ret > 4096)
	{
		return	0;
	}
	else
	{
		sample_vol = (float)volt_ret * AD_ALKA_BAT_REF_VOL /4096;
		battery_vol = sample_vol * ALKA_VOL_COE;		
	}
	return battery_vol;
}

/******************************************
 * func:    get_lith_bat_voltage
 * desc:    Get lith_bat ADC data
 * input:   none
 * output:  none
 * return:  none
 *****************************************/
float get_lith_bat_voltage(void)
{
	uint32	volt_ret;
	float	sample_vol;
	float	battery_vol;
	ad_data_s  data_ins;
	
	data_ins.ad_buffer_cnt		= AD_LITH_BAT_CNT;		 
	data_ins.ad_ch						= AD_LITH_BAT_CH;

	volt_ret = Get_vol_Average(&data_ins);//10 - channel  3300 - 3.3v vref
	if(volt_ret > 4096)
	{
		return	0;
	}
	else
	{
		sample_vol = (float)volt_ret * AD_LITH_BAT_REF_VOL /4096;
		battery_vol = sample_vol * LITH_VOL_COE ;		
	}
	return battery_vol;
}