#include "main.h"

void ADCInit(void)
{

	PORT_Init(PORTA, PIN11, PORTA_PIN11_ADC0_IN5, 0);	//PA.11 => ADC.CH5

}

uint16_t ADCRead(uint8_t ch)
{
	ADC_InitStructure ADC_initStruct;
	
	PORT_Init(PORTA, PIN11, PORTA_PIN11_ADC0_IN5, 0);	//PA.11 => ADC.CH5
	
	ADC_initStruct.clk_src = ADC_CLKSRC_HRC;
	ADC_initStruct.clk_div = 20;
	ADC_initStruct.pga_ref = PGA_REF_INTERNAL;
	ADC_initStruct.channels = 1<<ch;
	ADC_initStruct.samplAvg = ADC_AVG_SAMPLE1;
	ADC_initStruct.trig_src = ADC_TRIGSRC_SW;
	ADC_initStruct.Continue = 0;						//非连续模式，即单次模式
	ADC_initStruct.EOC_IEn = 0;	
	ADC_initStruct.OVF_IEn = 0;
	ADC_initStruct.HFULL_IEn = 0;
	ADC_initStruct.FULL_IEn = 0;
	ADC_Init(ADC0, &ADC_initStruct);					//配置ADC
	
	ADC_Open(ADC0);									//使能ADC
	ADC_Start(ADC0);
	while((ADC0->CH[ch].STAT & ADC_STAT_EOC_Msk) == 0){DelayMs(1);}
	ADC0->CH[ch].STAT = (1 << ADC_STAT_EOC_Pos);
	uint16_t res=ADC_Read(ADC0, 1<<ch);
//	printf("ADC%d=%04d\t", ch,res);
	return res;
}