拿走，不谢。- void InitADC(void)
- {
- ADCON = 0x80; //允许ADC模块
- ADT = 0xee;
- /* ADC时钟为系统时钟的32分频，T(ad) = 32*(1/16M) = 2us
- ADC采样时间为15个ADC时钟，T(s)= (14+1)*T(ad) = 30us
- ADC转换时间为12*T(ad) + T(s) = 54us
- */
- ADCH = (1<<7)|(1<<6); //通道配置 AN7 AN6
- }
- //调用前ch对应pin一定要设置在ad模式
- uint8 GetADC_8(uint8 ch)
- {
- ADCON = 0x80+ch*2; //选择通道
- ADCON |= 0x01; //开始ADC转换
- while(ADCON&0x01);
- return ADDH; //8bit
- }
- //调用前ch对应pin一定要设置在ad模式
- uint16 GetADC_16(uint8 ch)
- {
- ADCON = 0x80+ch*2; //选择通道
- ADCON |= 0x01; //开始ADC转换
- while(ADCON&0x01);
- return ADDH*4+ADDL; //10bit
- }
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