以下是我定义的ADC初始化函数
void ADC_Config(u8 ADC_Channel)
{
ADC_InitTypeDef ADC_InitStructure;
RCC_HSICmd(ENABLE); //
while(RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE); //
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfConversion = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1 ,ADC_SampleTime_4Cycles);
ADC_DelaySelectionConfig(ADC1, ADC_DelayLength_Freeze);
ADC_PowerDownCmd(ADC1, ADC_PowerDown_Idle_Delay, ENABLE);
ADC_Cmd(ADC1,ENABLE);
while (ADC_GetFlagStatus(ADC1, ADC_FLAG_ADONS) == RESET)
{
}
}
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