60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#include "H/Function_Init.H"
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void ADC_Init(uint Channel);
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unsigned int ADCValue = 0x0000;
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bit AdcFlag = 0;
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/***********ADC采样口选择*************/
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#if (IC_MODEL == SC95F7617B || IC_MODEL == SC95F7616B)
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enum Channel {AIN0=0,AIN1,AIN2,AIN3,AIN4,AIN5,AIN6,AIN7,AIN8,AIN9,AIN10,AIN11,AIN12,AIN13,AIN14,AIN15,VDD4=31};
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#endif
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#if (IC_MODEL == SC95F7615B || IC_MODEL == SC95F7613B)
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enum Channel {AIN4=4,AIN5,AIN6,AIN7,AIN12=12,AIN13,AIN14,AIN15,VDD4=31};
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#endif
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/*****************************************************
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*函数名称：void ADC_Test(void)
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*函数功能：ADC测试
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*入口参数：void
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*出口参数：void
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*****************************************************/
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void ADC_Test(void)
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{
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ADC_Init(AIN4);
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while(1)
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{
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ADCCON |= 0X40; //开始ADC转换
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while(!AdcFlag); //等待 ADC转换完成;
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AdcFlag = 0;
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ADCValue = (ADCVH<<4)+(ADCVL>>4);
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}
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}
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/*****************************************************
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*函数名称：void ADC_Init(uint Channel)
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*函数功能：ADC初始化
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*入口参数：Channel
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*出口参数：void
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*****************************************************/
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void ADC_Init(uint Channel)
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{
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ADCCON = 0X80|Channel; //开启ADC，ADC采样频率为2M ,选择Channel位ADC采样口
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if(Channel<8)
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{
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ADCCFG0 = 1<<Channel; //设置Channel作为采样口
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}
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else
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{
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ADCCFG1 = 1<<(Channel-8); //设置Channel作为采样口
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}
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ADCCFG2 = 0x10; //ADC采样时间为三个时钟
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IE |= 0X40; //开启ADC中断
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EA = 1;
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}
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void ADC_Interrupt(void) interrupt 6
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{
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ADCCON &= ~(0X20); //清中断标志位
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AdcFlag = 1;
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} |