/*
 ******************************************************************************
 *
 * @file     adc.c
 * @brief    adc module
 * @ic		 	 sy8835                
 *
 * @version  1.0
 * @date     2024/11/01   15:00:40
 * @author   Alex Xu
 *
 * Copyright (c) 2013-2099,Tkplusemi Technology Co.,Ltd.
 * All Rights Reserved
 *
 * History:
 * Revision          Date           Author            Desc
 * 1.0.0            2024/11/01      Alex          build this file
 ******************************************************************************/
 /*_____ I N C L U D E S ____________________________________________________*/

#include "adc.h"
#include "system.h"
#include "sys_tim.h"

#if ADC_ENABLE

/******************************************************************************\
                          Macro definitions
\******************************************************************************/

/******************************************************************************\
                             Variables definitions
\******************************************************************************/
uint8_t ADC_Chn_Num = 0;

idata uint16_t Vbat_Adc = 0;

idata uint16_t g_Vpmu_Adc = 0;

idata uint16_t g_Vntc_Adc = 0;

idata uint16_t g_Vbjt_Adc = 0;

idata uint16_t g_Vp13_Adc = 0;

idata uint16_t g_Vref_Adc = 0;

uint8_t	g_PMU_ADC_Chn	= 0;

idata uint16_t g_pmu_Adc_Ivol = 0;

idata uint16_t g_pmu_Adc_Vin = 0;

idata uint16_t g_pmu_Adc_Vpmid = 0;

idata uint16_t g_pmu_Adc_Vor = 0;

idata uint16_t g_pmu_Adc_Vol = 0;

idata uint16_t g_pmu_Adc_Vdd = 0;

idata uint16_t g_pmu_Adc_Ivor = 0;

/******************************************************************************\
                             Functions definitions
\******************************************************************************/
/*
 *******************************************************************************
 *			   void Adc_Init(void)
 *
 * Description : ADC Initialization. --- 系统初始化调用。
 *
 * Arguments   : NONE

 * Returns	   : NONE

 * Notes	   : NONE
 *
 *******************************************************************************
 */
void Adc_Init(void)
{
	SFRADDR = ADC_CTL2;																//ADC 2.5V Enable b[7];ADC1 Pullup 100K Enable b[0].
	SFRDATA = 0x81;		
	
	SFRADDR = MFP_CTL0;																//Set P14 As ADC1 For NTC
    SFRDATA |= 0x10;

	ExtSfr_Write(ADC_CTL0,0xAB);													//0B10101001,0xA9--ADC EN;Average time:16; Single mode; ADC CLK divided by 24=460k
											
//	ADC_CTL1 = (ADC_PMU_CH0 + 1) | (ADC_NTC_CH1 + 1) | 0x80;						//ADC Start Enable,Set Channel N Enabel.

	SFRADDR = ADC_IntEn;															//Enable ADC Interrupt.b[4:0]:ADC4-ADC0
	SFRDATA |= 0x03;

	EX6 = 1;																		//ADC IRQ Enable
}

/*
*******************************************************************************
*			 void PMU_ADC_Chn_Data(PMU_ADC_CHANNELS_E pmu_Adc_Chn)
*
* Description : 设置相应通道的使能。在主循环中按通道设置各个通道的使能，在中断中获取对应的ADC值，减少主函数的阻塞。
*
* Arguments  : NONE

* Returns	 : NONE

* Notes 	 : NONE
*
*******************************************************************************
*/
void PMU_ADC_Chn_Data(PMU_ADC_CHANNELS_E pmu_Adc_Chn)
{
	I2cSfr_Write( XSEN_CTRL , (0x08 | pmu_Adc_Chn) );	
	
	g_PMU_ADC_Chn = pmu_Adc_Chn;

	ADC_CTL1 = 0x81;						//ADC Start Enable,Set Channel N Enabel.
	
	SFRADDR = ADC_IntEn;															//Enable ADC Interrupt.b[4:0]:ADC4-ADC0
	SFRDATA = 0x01;
}

/*
 *******************************************************************************
 *             void EX6_ADC_isr(void ) interrupt Interrupt_Vector_IE6
 *
 * Description : System External Intterupt 6  adc Interrupt.
 *
 * Arguments   : NONE

 * Returns     : NONE

 * Notes       : NONE
 *
 *******************************************************************************
 */
void EX6_ADC_isr(void) interrupt Interrupt_Vector_IE6
{
	uint8_t reg_addr_bk = 0;

	reg_addr_bk = SFRADDR;
	
	if(ADC_IntFlag & 0x01)
	{
		g_Vpmu_Adc = ExtSfr_Read(ADC_CH0_L);
		g_Vpmu_Adc |= (uint16_t)( ( ExtSfr_Read(ADC_CH0_H) & 0x03 ) << 8 );
				
		g_Vpmu_Adc = ((uint32_t)g_Vpmu_Adc * 2500)  >> 10 ;				//ADC的LSB = 2500mV / 1024 = 2.44mV
			
		/*获取xSen对应的ADC值*/
		switch (g_PMU_ADC_Chn)
		{
			case pmu_ADC_IVOL:
				g_pmu_Adc_Ivol = g_Vpmu_Adc >> 2;					//采样比例4mV/mA
				break;
			
			case pmu_ADC_VBAT:
				Vbat_Adc = g_Vpmu_Adc << 1;					//vbat的2分压
				break;	
			
			case pmu_ADC_VIN:
				g_pmu_Adc_Vin = g_Vpmu_Adc << 3;					//vin的8分压
				break;	

			case pmu_ADC_VPMID:
				g_pmu_Adc_Vpmid = g_Vpmu_Adc << 2;					//PMID的4分压
				break;	

			case pmu_ADC_VOR:
				g_pmu_Adc_Vor = g_Vpmu_Adc << 2;					//vor的4分压
				break;	

			case pmu_ADC_VOL:
				g_pmu_Adc_Vol = g_Vpmu_Adc << 2;					//vol的4分压
				break;	

			case pmu_ADC_VDD:
				g_pmu_Adc_Vdd = g_Vpmu_Adc << 1;					//vdd的2分压
				break;		

			case pmu_ADC_IVOR:
				g_pmu_Adc_Ivor = g_Vpmu_Adc >> 2;					//采样比例4mV/mA
				break;	
			default:
				break;
		}
	}
	
	if(ADC_IntFlag & 0x02)
	{
		g_Vntc_Adc = ExtSfr_Read(ADC_CH1_L);
		g_Vntc_Adc |= (uint16_t)( ( ExtSfr_Read(ADC_CH1_H) & 0x03 ) << 8 );
	}
	
	if(ADC_IntFlag & 0x04)
	{
		g_Vbjt_Adc = ExtSfr_Read(ADC_CH2_L);
		g_Vbjt_Adc |= (uint16_t)( ( ExtSfr_Read(ADC_CH2_H) & 0x03 ) << 8 );
	}
	
	if(ADC_IntFlag & 0x08)
	{
		g_Vp13_Adc = ExtSfr_Read(ADC_CH3_L);
		g_Vp13_Adc |= (uint16_t)( ( ExtSfr_Read(ADC_CH3_H) & 0x03 ) << 8 );
	}
	
	if(ADC_IntFlag & 0x10)
	{
		g_Vref_Adc = ExtSfr_Read(ADC_CH4_L);
		g_Vref_Adc |= (uint16_t)( ( ExtSfr_Read(ADC_CH4_H) & 0x03 ) << 8 );
	}
	
	ADC_IntFlag = 0x0F;
	
	SFRADDR = reg_addr_bk;
}


#endif