#ifndef ADC_H
#define ADC_H

//ADCON定义
#define AST(N)		(N<<7)					//ADC启动 ， AST=0结束
#define ADIE(N)		(N<<6)					//中断使能
#define ADIF		(1<<5)					 	//中断标志
#define HTME(N) 	(N<<2)					//N=0-7			 //采样时间设置, 时间为2的HTME次方的时钟周期
#define VSEL(N) 	(N)							//N=0-3			 //选择参考电压 0-内部 1-VDD 2-外部

//ADCFGL定义													   
#define ACKD(N)			(N<<5)  			//N=0-7			 //ADC时钟分频	  分频倍数=（ACKD+1)
#define ADCALE(N)		(N<<4) 				//ADC校正，	  选择内部参考电压才有效 
#define ADCHS(N)		(N) 					//N=0-15		 //ADC通道选择 ， 1-13对应通道0-12

//ADCFGH定义

#define AOVF		(1<<7)					 //ADC数据超过设定范围中断标志
#define AOVE(N)		(N<<6)					 //ADC数据超过设定范围中断使能


#define VTRIM(N)	(N)						 //0-63	   校正内部参考电压

//OPACON定义
#define OPAM(N)		(N<<6)	  //n=0~3
#define OPAS(N)		(N<<0)	  //n=0~7


typedef enum {
  ADC_REF_INNER  	= 0,
  ADC_REF_VDD  		= 1,
  ADC_REF_Outer  	= 2
} ADC_RefVolt_TypeDef;

typedef enum {
  DISABLE = 0,
  ENABLE  = 1
}
InterruptSW_TypeDef,AmpSW_TypeDef;

typedef enum {
  AMP_GAIN_1_4 = 0,
  AMP_GAIN_1_3 = 1,
  AMP_GAIN_1_2 = 2,
  AMP_GAIN_5 	 = 3,
  AMP_GAIN_10  = 4,
  AMP_GAIN_15  = 5,
  AMP_GAIN_20  = 6,
  AMP_GAIN_30  = 7,
}AMP_Gain_TypeDef;


typedef enum {
  ADC_CH0  	= 1,
  ADC_CH1  	= 2,
  ADC_CH2  	= 3,
  ADC_CH3  	= 4,
  ADC_CH4  	= 5,
  ADC_CH5  	= 6,
  ADC_CH6  	= 7,
  ADC_CH7  	= 8,
  ADC_VDD  	= 9,
} ADC_Channel_TypeDef;

void ADC_StartConversion(void);
void ADC_init(ADC_RefVolt_TypeDef adc_ref,InterruptSW_TypeDef adc_int,AmpSW_TypeDef amp_sw,AMP_Gain_TypeDef gain);
unsigned int GetAdcValue(void);
void ADC_ConfigChannel(ADC_Channel_TypeDef channel);
#endif