[mw_shl_code=c,true]void  Adc_Init(void)
{   
  GPIO_InitTypeDef  GPIO_InitStructure;
        //ADC_CommonInitTypeDef ADC_CommonInitStructure;
        ADC_InitTypeDef       ADC_InitStructure;
       
  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);//ê1ÄüGPIOAê±Öó
  RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); //ê1ÄüADC1ê±Öó

  //Ïè3õê¼»ˉADC1í¨μà5 IO¿ú
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;//PA5 í¨μà5
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;//Ä￡Äaêäèë
  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;//2»′øéÏÏÂà-
  GPIO_Init(GPIOA, &GPIO_InitStructure);//3õê¼»ˉ  

        RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1,ENABLE);          //ADC1¸′λ
        RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1,DISABLE);        //¸′λ½áêø         

       
// ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;//¶àá￠Ä￡ê½
// ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_5Cycles;//ὸö2éÑù½×¶ÎÖ®¼äμÄÑó3ù5¸öê±Öó
// ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled; //DMAê§Äü
  //ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div4;//Ô¤·ÖÆμ4·ÖÆμ¡￡ADCCLK=PCLK2/4=84/4=21Mhz,ADCê±Öó×îoÃ2»òa3¬1y36Mhz
// ADC_CommonInit(&ADC_CommonInitStructure);//3õê¼»ˉ
       
  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;//12λÄ￡ê½
// ADC_InitStructure.ADC_ScanDirection=DISABLE;//ADC_ScanConvMode = DISABLE;//·Çé¨ÃèÄ￡ê½       
  ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;//1رÕá¬Dø×a»»
  ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;//½ûÖ1′￥·￠¼ì2a￡¬ê1óÃèí¼t′￥·￠
  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;//óò¶ÔÆë       
  ADC_InitStructure.ADC_ScanDirection=ADC_ScanDirection_Backward;//ADC_NbrOfConversion = 1;//1¸ö×a»»Ôú1æÔòDòáDÖD ò2¾íêÇÖ»×a»»1æÔòDòáD1
  ADC_Init(ADC1, &ADC_InitStructure);//ADC3õê¼»ˉ
        ADC_ChannelConfig(ADC1, ADC_Channel_5 , ADC_SampleTime_55_5Cycles);

        ADC_Cmd(ADC1, ENABLE);//¿aÆôAD×a»»Æ÷       

}                                  [/mw_shl_code]
[mw_shl_code=c,true]u16 Get_Adc(u8 ch)   
{
                  //éèÖÃÖ¸¶¨ADCμÄ1æÔò×éí¨μà￡¬ò»¸öDòáD￡¬2éÑùê±¼ä
        ADC_RegularChannelConfig(ADC1, ch, 1, ADC_SampleTime_55_5Cycles );        //ADC1,ADCí¨μà,480¸öÖüÆú,ìá¸ß2éÑùê±¼ä¿éòÔìá¸ß¾«è·¶è                            
  
        ADC_SoftwareStartConv(ADC1);                //ê1ÄüÖ¸¶¨μÄADC1μÄèí¼t×a»»Æô¶ˉ1|Äü       
         
        while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC ));//μè′y×a»»½áêø

        return ADC_GetConversionValue(ADC1);        //·μ»Ø×î½üò»′ÎADC11æÔò×éμÄ×a»»½á1û
}[/mw_shl_code]