#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;
}