STM32 多通道ADC采样，采用Timer1进行采样率控制（2） 最大值, 通道

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//设置指定ADC的规则组通道，设置它们的转化顺序和采样时间（取最大值）
    ADC_RegularChannelConfig(ADC1, ADC_Channel_10 , 1, ADC_SampleTime_239Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_11 , 2, ADC_SampleTime_239Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_12, 3, ADC_SampleTime_239Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_13, 4, ADC_SampleTime_239Cycles5);  
    ADC_RegularChannelConfig(ADC1, ADC_Channel_4, 5, ADC_SampleTime_239Cycles5);
    ADC_RegularChannelConfig(ADC1, ADC_Channel_5, 6, ADC_SampleTime_239Cycles5);


    /* Enable ADC1 DMA*/
    ADC_DMACmd(ADC1, ENABLE);


    /* Enable ADC1 external trigger */
    ADC_ExternalTrigConvCmd(ADC1, ENABLE);

    /* Enable ADC1 */
    ADC_Cmd(ADC1, ENABLE);

    /* Enable ADC1 reset calibaration register */   
    ADC_ResetCalibration(ADC1);
    /* Check the end of ADC1 reset calibration register */
    while(ADC_GetResetCalibrationStatus(ADC1));

    /* Start ADC1 calibaration */
    ADC_StartCalibration(ADC1);
    /* Check the end of ADC1 calibration */
    while(ADC_GetCalibrationStatus(ADC1));

    /* TIM1 counter enable */
    TIM_Cmd(TIM1, ENABLE);
    /* TIM1 main Output Enable */
    TIM_CtrlPWMOutputs(TIM1, ENABLE);
}

void DMA1_Channel1_IRQHandler(void)
{
    static portBASE_TYPE xHigherPriorityTaskWoken=pdFALSE;
    if(DMA_GetITStatus(DMA1_IT_TC1))
    {
        xSemaphoreGiveFromISR(xADCBinary,&xHigherPriorityTaskWoken);
        ADC_count++;
        DMA_ClearITPendingBit(DMA1_IT_GL1);
        portEND_SWITCHING_ISR( xHigherPriorityTaskWoken ); //立即切换上下文
    }
}