我用模拟看门狗来检测ADC转换的电压，如果不在看门狗的区间内，则LED1亮，
如果用查询的方式来查看模拟看门狗状态，可以正常工作，改成中断方式后，ADC转换就不能进行，有高手能看一下吗？
这是部分代码。
void ADConvert_Init(void)
{
ADC_InitTypeDef ADC_InitStruct;
GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1|RCC_APB2Periph_GPIOA,ENABLE);

GPIO_InitStructure.GPIO_Mode =GPIO_Mode_AIN;
GPIO_InitStructure.GPIO_Pin =GPIO_Pin_1;
GPIO_Init(GPIOA, &GPIO_InitStructure);

//ADC Init
ADC_DeInit(ADC1);
ADC_InitStruct.ADC_ContinuousConvMode =DISABLE;
ADC_InitStruct.ADC_DataAlign =ADC_DataAlign_Right;
ADC_InitStruct.ADC_ExternalTrigConv =ADC_ExternalTrigConv_None;
ADC_InitStruct.ADC_Mode =ADC_Mode_Independent;
ADC_InitStruct.ADC_NbrOfChannel=1;
ADC_InitStruct.ADC_ScanConvMode =DISABLE;
ADC_Init(ADC1, &ADC_InitStruct);

AnalogWatchDog_Set();
//   ADC_AnalogWatchdogSingleChannelConfig(ADC1,ADC_Channel_1); //??ADC1_channal_1?è???????·
// ADC_AnalogWatchdogThresholdsConfig(ADC1,2482,1861);
// ADC_AnalogWatchdogCmd(ADC1,ADC_AnalogWatchdog_SingleRegEnable);
// ADC_ITConfig(ADC1, ADC_IT_AWD, ENABLE);

ADC_Cmd(ADC1,ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1)); //??????????×??á??
ADC_StartCalibration(ADC1); //????AD??×? 
while(ADC_GetCalibrationStatus(ADC1)); //??????×??á??

}

//?è???????????·
void AnalogWatchDog_Set(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
//Usart1 NVIC ????
    NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3 ;//??????????3
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //×???????3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ?¨??????
NVIC_Init(&NVIC_InitStructure); //?ù?????¨????????????VIC?????÷
  
ADC_AnalogWatchdogSingleChannelConfig(ADC1,ADC_Channel_1); //??ADC1_channal_1?è???????·
ADC_AnalogWatchdogThresholdsConfig(ADC1,2482,1861);
ADC_AnalogWatchdogCmd(ADC1,ADC_AnalogWatchdog_SingleRegEnable);
ADC_ITConfig(ADC1, ADC_IT_AWD, ENABLE);
}

void ADC1_2_IRQHandler(void)   
{
while(ADC_GetITStatus(ADC1, ADC_IT_AWD) != RESET);
ADC_ClearFlag(ADC1, ADC_FLAG_AWD);
LED1=0;
delay_ms(200);
ADC_ClearITPendingBit(ADC1, ADC_IT_AWD); 
}