在ADC+DMA循环采集的基础上增加以下代码：
/**
* @brief  AWD configuration.
* @param  None
* @retval None
*/
static void AdcAwdConfig(void)
{
    stc_adc_awd_config_t stcAwd;
    //外部电源电压
    stcAwd.u16WatchdogMode  = ADC_AWD_MD;
    stcAwd.u16LowThreshold  = ADC_Ex_AWD_LOW_THRESHOLD_VAL;
    stcAwd.u16HighThreshold = ADC_Ex_AWD_HIGH_THRESHOLD_VAL;
    (void)ADC_AWD_Config(ADC_UNIT, AWD_0, ADC_AWD_CH_ExPower, &stcAwd);
   
    ADC_AWD_Cmd(ADC_UNIT, AWD_0, ENABLE);   
    //外部电池电压
    stcAwd.u16WatchdogMode  = ADC_AWD_MD;
    stcAwd.u16LowThreshold  = ADC_BAT_AWD_LOW_THRESHOLD_VAL;
    stcAwd.u16HighThreshold = ADC_BAT_AWD_HIGH_THRESHOLD_VAL;
    (void)ADC_AWD_Config(ADC_UNIT, AWD_1, ADC_AWD_CH_Batter, &stcAwd);  
   
    ADC_AWD_Cmd(ADC_UNIT, AWD_1, ENABLE);   
   
    ADC_AWD_SetCombMode(ADC_UNIT,ADC_AWD_COMB_AND);
   

//

}
/**
* @brief  AWD0 IRQ callback.
* @param  None
* @retval None
*/
static void ADC1_Cmp0_IrqCallback(void)
{
    ADC_AWD_ClearStatus(ADC_UNIT, ADC_AWD_FLAG_AWD0);
    m_u32AdcIrqFlag |= ADC_AWD_FLAG_AWD0;
}
/**
* @brief  AWD0 IRQ callback.
* @param  None
* @retval None
*/
static void ADC1_Cmp1_IrqCallback(void)
{
    ADC_AWD_ClearStatus(ADC_UNIT, ADC_AWD_FLAG_AWD1);
    m_u32AdcIrqFlag |= ADC_AWD_FLAG_AWD1;
}


/**
* @brief  ADC IRQ configuration.
* @param  None
* @retval None
*/
static void AdcIrqConfig(void)
{
    stc_irq_signin_config_t stcIrq;

    stcIrq.enIntSrc    = ADC_AWD_INT_SRC0;//
    stcIrq.enIRQn      = ADC_AWD_INT_IRQn;
    stcIrq.pfnCallback = &ADC1_Cmp0_IrqCallback;
    (void)INTC_IrqSignIn(&stcIrq);
   
    NVIC_ClearPendingIRQ(stcIrq.enIRQn);
    NVIC_SetPriority(stcIrq.enIRQn, ADC_AWD_INT_PRIO);
    NVIC_EnableIRQ(stcIrq.enIRQn);
   
    stcIrq.enIntSrc    = ADC_AWD_INT_SRC1;//
    stcIrq.enIRQn      = ADC_AWD_INT_IRQn;
    stcIrq.pfnCallback = &ADC1_Cmp1_IrqCallback;
    (void)INTC_IrqSignIn(&stcIrq);
   
    NVIC_ClearPendingIRQ(stcIrq.enIRQn);
    NVIC_SetPriority(stcIrq.enIRQn, ADC_AWD_INT_PRIO);
    NVIC_EnableIRQ(stcIrq.enIRQn);
    ADC_AWD_IntCmd(ADC_UNIT, ADC_AWD_INT_AWD0, ENABLE);
    ADC_AWD_IntCmd(ADC_UNIT, ADC_AWD_INT_AWD1, ENABLE);
//    ADC_IntCmd(ADC_UNIT, ADC_INT_EOCA, ENABLE);   

   
//    ADC_AWD_IntCmd(ADC_UNIT, ADC_AWD_INT_ALL, ENABLE);   
}

但是AWD无法进入中断