STM32F3 ADC Kalibrierungsproblem

  while(ADC_GetCalibrationStatus(ADC1) != RESET );

  CalibrationValue[0] = ADC_GetCalibrationValue(ADC1);

void ADC_Configuration(void)

{

    ADC_InitTypeDef        ADC_InitStructure;

    ADC_CommonInitTypeDef  ADC_CommonInitStructure;

  volatile int i;

  /* Configure the ADC clocks */

  RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div1);

  RCC_ADCCLKConfig(RCC_ADC34PLLCLK_Div1);

  /* Enable ADC1/2/3/4 clocks */

  RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12 | RCC_AHBPeriph_ADC34, ENABLE);

  /* ADC GPIO configuration */

  ADC_GPIO_Configuration();

  /* ADC DMA Channel configuration */

  ADC12_DMA_Configuration();

  ADC34_DMA_Configuration();

  /* ADC Calibration procedure */

  ADC_VoltageRegulatorCmd(ADC1, ENABLE);

  ADC_VoltageRegulatorCmd(ADC2, ENABLE);

  ADC_VoltageRegulatorCmd(ADC3, ENABLE);

  ADC_VoltageRegulatorCmd(ADC4, ENABLE);

  /* Insert delay equal to 10 µs */

  //Delay(10);

    for(i=0; i<10000; i++);

  ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);

  ADC_StartCalibration(ADC1);

  ADC_SelectCalibrationMode(ADC2, ADC_CalibrationMode_Single);

  ADC_StartCalibration(ADC2);

  ADC_SelectCalibrationMode(ADC3, ADC_CalibrationMode_Single);

  ADC_StartCalibration(ADC3);

  ADC_SelectCalibrationMode(ADC4, ADC_CalibrationMode_Single);

  ADC_StartCalibration(ADC4);

  while(ADC_GetCalibrationStatus(ADC1) != RESET );

  CalibrationValue[0] = ADC_GetCalibrationValue(ADC1);

  while(ADC_GetCalibrationStatus(ADC2) != RESET );

  CalibrationValue[1] = ADC_GetCalibrationValue(ADC2);

  while(ADC_GetCalibrationStatus(ADC3) != RESET );

  CalibrationValue[2] = ADC_GetCalibrationValue(ADC3);

  while(ADC_GetCalibrationStatus(ADC4) != RESET );

  CalibrationValue[3] = ADC_GetCalibrationValue(ADC4);

  /* ADC Dual mode configuration */

  ADC_CommonInitStructure.ADC_Mode = ADC_Mode_RegSimul;

  ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;

  ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_1; // 12-bit

  ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_Circular;

  ADC_CommonInitStructure.ADC_TwoSamplingDelay = 10;

  ADC_CommonInit(ADC1, &ADC_CommonInitStructure);

  ADC_CommonInit(ADC3, &ADC_CommonInitStructure);

  /* */

  ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Disable; // Triggered

  ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;

  ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_RisingEdge;

  ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;

  ADC_InitStructure.ADC_OverrunMode = ADC_OverrunMode_Disable;

  ADC_InitStructure.ADC_AutoInjMode = ADC_AutoInjec_Disable;

  ADC_InitStructure.ADC_NbrOfRegChannel = 3;

  ADC_InitStructure.ADC_ExternalTrigConvEvent =

      ADC_ExternalTrigConvEvent_10; // Entspricht dem TRGO2 des TIM1

    //  ADC_ExternalTrigConvEvent_3; // ADC1/2 EXT3 TIM2_CC2

    ADC_Init(ADC1, &ADC_InitStructure);

  ADC_Init(ADC2, &ADC_InitStructure);

  ADC_InitStructure.ADC_ExternalTrigConvEvent =

      ADC_ExternalTrigConvEvent_10; // Entspricht dem TRGO2 des TIM1

     // ADC_ExternalTrigConvEvent_1; // ADC3/4 EXT1 TIM2_CC3

    ADC_Init(ADC3, &ADC_InitStructure);

  ADC_Init(ADC4, &ADC_InitStructure);

}