void adc_init_injected(int use_trigger, int trigger){
//Confiure pins PA0[AN1], PA1[AN2] for analog input operation
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA,ENABLE);
GPIO_InitTypeDef myGPIO;
GPIO_StructInit(&myGPIO);
myGPIO.GPIO_Pin=(GPIO_Pin_1|GPIO_Pin_0);
myGPIO.GPIO_Mode=GPIO_Mode_AN;
GPIO_Init(GPIOA,&myGPIO);
//Configure ADC
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_OFF);
RCC_AHBPeriphClockCmd(RCC_AHBENR_ADC12EN,ENABLE);
ADC_CommonInitTypeDef myADC_Comm;
ADC_CommonStructInit(&myADC_Comm);
myADC_Comm.ADC_Clock=ADC_Clock_SynClkModeDiv1;
ADC_CommonInit(ADC1,&myADC_Comm);
ADC_VoltageRegulatorCmd(ADC1,ENABLE);
/*Initial calibration*/
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET);
ADC_GetCalibrationValue(ADC1);
ADC_InjectedInitTypeDef myADC;
ADC_InjectedStructInit(&myADC);
myADC.ADC_ExternalTrigInjecEventEdge= (use_trigger) ? ADC_ExternalTrigInjecEventEdge_RisingEdge : ADC_ExternalTrigInjecEventEdge_None;
//Connect timer with adc
myADC.ADC_ExternalTrigInjecConvEvent=trigger;//Start convertion on TIM2_OTRIG
myADC.ADC_NbrOfInjecChannel=2;
myADC.ADC_InjecSequence1=ADC_InjectedChannel_1;
myADC.ADC_InjecSequence2=ADC_InjectedChannel_1;
myADC.ADC_InjecSequence3=ADC_InjectedChannel_1;
myADC.ADC_InjecSequence4=ADC_InjectedChannel_2;
ADC_InjectedInit(ADC1,&myADC);
ADC_InjectedChannelSampleTimeConfig(ADC1,ADC_InjectedChannel_1,ADC_SampleTime_7Cycles5);
ADC_InjectedChannelSampleTimeConfig(ADC1,ADC_InjectedChannel_2,ADC_SampleTime_7Cycles5);
//
ADC_ITConfig(ADC1, ADC_IT_JEOS, ENABLE);
NVIC_EnableIRQ(ADC1_IRQn);
/* wait for ADRDY */
ADC_Cmd(ADC1,ENABLE);
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY));
}
void ADC_Configuration(void)
{
__IO uint16_t calibration_value = 0;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
ADC_InjectedInitTypeDef ADC_InjInitStructure;
ADC_StructInit(&ADC_InitStructure);
/* Calibration procedure */
ADC_VoltageRegulatorCmd(ADC2, ENABLE);
/* Insert delay equal to 10 µs */
Delay(10);
ADC_SelectCalibrationMode(ADC2, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC2);
while(ADC_GetCalibrationStatus(ADC2) != RESET );
calibration_value = ADC_GetCalibrationValue(ADC2);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_InjSimul;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_OneShot;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC2, &ADC_CommonInitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_OverrunMode = ADC_OverrunMode_Disable;
ADC_InitStructure.ADC_AutoInjMode = ADC_AutoInjec_Enable;
ADC_InitStructure.ADC_NbrOfRegChannel = 3;
ADC_Init(ADC2, &ADC_InitStructure);
ADC_InjInitStructure.ADC_ExternalTrigInjecConvEvent = ADC_ExternalTrigInjecConvEvent_0;
ADC_InjInitStructure.ADC_ExternalTrigInjecEventEdge = ADC_ExternalTrigInjecEventEdge_None;
ADC_InjInitStructure.ADC_NbrOfInjecChannel = 3;
ADC_InjInitStructure.ADC_InjecSequence1 = ADC_Channel_5;
ADC_InjInitStructure.ADC_InjecSequence2 = ADC_Channel_11;
ADC_InjInitStructure.ADC_InjecSequence3 = ADC_Channel_12;
ADC_InjectedInit(ADC2, &ADC_InjInitStructure);
/* ADC1 regular channel7 configuration */
//ADC_RegularChannelConfig(ADC2, ADC_Channel_5, 1, ADC_SampleTime_7Cycles5);
ADC_InjectedChannelSampleTimeConfig(ADC2, ADC_Channel_5, ADC_SampleTime_7Cycles5);
ADC_InjectedChannelSampleTimeConfig(ADC2, ADC_Channel_11,ADC_SampleTime_7Cycles5);
ADC_InjectedChannelSampleTimeConfig(ADC2, ADC_Channel_12,ADC_SampleTime_7Cycles5);
/* Enable ADC1 */
ADC_Cmd(ADC2, ENABLE);
/* wait for ADRDY */
while(!ADC_GetFlagStatus(ADC2, ADC_FLAG_RDY));
/* Start ADC1 Software Conversion */
ADC_StartConversion(ADC2);
}
void ADC_Config( void )
{
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div2);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
/* Setup SysTick Timer for 1 µsec interrupts */
//if (SysTick_Config(SystemCoreClock / 1000000))
// {
/* Capture error */
// while (1)
// {}
//}
/* GPIOC Periph clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
/* Configure ADC Channel7 as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET );
calibration_value = ADC_GetCalibrationValue(ADC1);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_OneShot;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC1, &ADC_CommonInitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
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 = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel1 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_7Cycles5);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* wait for ADRDY */
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY));
/* Start ADC1 Software Conversion */
ADC_StartConversion(ADC1);
} //end ADC_Config
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f30x.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f30x.c file
*/
/* Configure the ADC clock */
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div2);
/* Enable ADC1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
/* LCD Display init */
Display_Init();
/* Setup SysTick Timer for 1 µsec interrupts */
if (SysTick_Config(SystemCoreClock / 1000000))
{
/* Capture error */
while (1)
{}
}
/* ADC Channel configuration */
/* GPIOC Periph clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
/* Configure ADC Channel7 as analog input */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
ADC_StructInit(&ADC_InitStructure);
/* Calibration procedure */
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
/* Insert delay equal to 10 µs */
Delay(10);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Differential);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET );
calibration_value = ADC_GetCalibrationValue(ADC1);
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_OneShot;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC1, &ADC_CommonInitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
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 = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel7 and channel8 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 1, ADC_SampleTime_7Cycles5);
ADC_RegularChannelConfig(ADC1, ADC_Channel_8, 2, ADC_SampleTime_7Cycles5);
/* Select the differetiel mode for Channel 7 */
ADC_SelectDifferentialMode(ADC1, ADC_Channel_7, ENABLE);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* wait for ADRDY */
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY));
/* Start ADC1 Software Conversion */
ADC_StartConversion(ADC1);
/* Infinite loop */
while (1)
{
/* Test EOC flag */
while(ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET);
/* Get ADC1 converted data */
ADC1ConvertedValue =ADC_GetConversionValue(ADC1);
/* Compute the voltage */
ADC1ConvertedVoltage = (ADC1ConvertedValue *6600)/0xFFF;
/* Display converted data on the LCD */
Display();
}
}
/**
* @brief Configures the ADC1 channel7 in continuous mode.
* @param None
* @retval None
*/
static void ADC_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
/* Enable the GPIOC Clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC, ENABLE);
/* Configure the ADC clock */
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div2);
/* ADC1 Periph clock enable */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
/* Setup SysTick Timer for 1 µsec interrupts */
if (SysTick_Config(SystemCoreClock / 1000000))
{
/* Capture error */
while (1)
{}
}
/* Configure PC.1 (ADC Channel7) in analog mode */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOC, &GPIO_InitStructure);
ADC_StructInit(&ADC_InitStructure);
/* Calibration procedure */
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
/* Insert delay equal to 10 µs */
Delay(10);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET );
calibration_value = ADC_GetCalibrationValue(ADC1);
/* Configure the ADC1 in continuous mode */
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_OneShot;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC1, &ADC_CommonInitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
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 = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel7 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_7, 1, ADC_SampleTime_181Cycles5);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* wait for ADRDY */
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY));
/* ADC1 DMA Enable */
ADC_DMACmd(ADC1, ENABLE);
ADC_DMAConfig(ADC1, ADC_DMAMode_Circular);
/* Start ADC1 Software Conversion */
ADC_StartConversion(ADC1);
}
void ADC_Config( void )
{
DMA_InitTypeDef DMA_InitStruct;
ADC_InitTypeDef ADC_InitStruct;
ADC_CommonInitTypeDef ADC_CommonInitStruct;
GPIO_InitTypeDef GPIO_InitStruct;
/* ADC Clk *******************************************************************/
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div2);
ADCx_CLK_ENABLE();
ADCx_DMA_CLK_ENABLE();
/* ADC Pin *******************************************************************/
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStruct.GPIO_Pin = ADCxP_PIN;
GPIO_Init(ADCxP_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.GPIO_Pin = ADCxN_PIN;
GPIO_Init(ADCxN_GPIO_PORT, &GPIO_InitStruct);
/* ADC DMA *******************************************************************/
DMA_DeInit(ADCx_DMA_CHANNEL);
DMA_InitStruct.DMA_PeripheralBaseAddr = ADCx_DR_ADDRESS;
DMA_InitStruct.DMA_MemoryBaseAddr = (uint32_t)ADC_DMA_ConvBuf;
DMA_InitStruct.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStruct.DMA_BufferSize = ADC_BUF_CHENNAL * ADC_BUF_SIZE;
DMA_InitStruct.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStruct.DMA_MemoryInc = DMA_MemoryInc_Enable;
DMA_InitStruct.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStruct.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStruct.DMA_Mode = DMA_Mode_Circular;
DMA_InitStruct.DMA_Priority = DMA_Priority_Medium;
DMA_InitStruct.DMA_M2M = DMA_M2M_Disable;
DMA_Init(ADCx_DMA_CHANNEL, &DMA_InitStruct);
DMA_Cmd(ADCx_DMA_CHANNEL, ENABLE);
/* ADC Calibration ***********************************************************/
ADC_VoltageRegulatorCmd(ADCx, ENABLE);
delay_ms(10);
ADC_SelectCalibrationMode(ADCx, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADCx);
while(ADC_GetCalibrationStatus(ADCx) != RESET);
calibrationValue = ADC_GetCalibrationValue(ADCx);
/* ADC Common Init ***********************************************************/
ADC_CommonInitStruct.ADC_Mode = ADC_Mode_Interleave; // ADC_Mode_Independent
ADC_CommonInitStruct.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStruct.ADC_DMAAccessMode = ADC_DMAAccessMode_1;
ADC_CommonInitStruct.ADC_DMAMode = ADC_DMAMode_Circular;
ADC_CommonInitStruct.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADCx, &ADC_CommonInitStruct);
/* ADC Init *****************************************************************/
ADC_InitStruct.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStruct.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStruct.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStruct.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
ADC_InitStruct.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStruct.ADC_OverrunMode = ADC_OverrunMode_Disable;
ADC_InitStruct.ADC_AutoInjMode = ADC_AutoInjec_Disable;
ADC_InitStruct.ADC_NbrOfRegChannel = ADC_BUF_SIZE;
ADC_Init(ADCx, &ADC_InitStruct);
/* ADC Regular Config *******************************************************/
ADC_RegularChannelConfig(ADCx, ADCxP_CHANNEL, 1, ADC_SampleTime_601Cycles5);
ADC_RegularChannelConfig(ADCx, ADCxN_CHANNEL, 2, ADC_SampleTime_601Cycles5);
/* Enable & Start ***********************************************************/
ADC_DMACmd(ADCx, ENABLE);
ADC_Cmd(ADCx, ENABLE);
while(!ADC_GetFlagStatus(ADCx, ADC_FLAG_RDY));
DMA_Cmd(ADCx_DMA_CHANNEL, ENABLE);
ADC_StartConversion(ADCx);
}
/**
* @brief ADC configuration.
* @param None
* @retval None
*/
static void ADC_Config(void)
{
__IO uint16_t calibration_value = 0x00;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Configure the ADC clock */
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div1);
/* Enable ADC1 clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
/* Setup SysTick Timer for 1 µsec interrupts */
if (SysTick_Config(SystemCoreClock / 1000000))
{
/* Capture error */
while (1)
{}
}
/* ADC Channel3 configuration */
/* GPIO PA0 configuration is done within OPAMP_Config function
as the ADC channel3 is the OPAMP1 output*/
ADC_StructInit(&ADC_InitStructure);
/* Calibration procedure */
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
/* Insert delay equal to 10 µs */
Delay(10);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET );
calibration_value = ADC_GetCalibrationValue(ADC1);
/* Configure the ADC1 in continuous mode */
ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_CommonInitStructure.ADC_Clock = ADC_Clock_AsynClkMode;
ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
ADC_CommonInitStructure.ADC_DMAMode = ADC_DMAMode_OneShot;
ADC_CommonInitStructure.ADC_TwoSamplingDelay = 0;
ADC_CommonInit(ADC1, &ADC_CommonInitStructure);
ADC_InitStructure.ADC_ContinuousConvMode = ADC_ContinuousConvMode_Enable;
ADC_InitStructure.ADC_Resolution = ADC_Resolution_12b;
ADC_InitStructure.ADC_ExternalTrigConvEvent = ADC_ExternalTrigConvEvent_0;
ADC_InitStructure.ADC_ExternalTrigEventEdge = ADC_ExternalTrigEventEdge_None;
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 = 1;
ADC_Init(ADC1, &ADC_InitStructure);
/* ADC1 regular channel3 configuration */
ADC_RegularChannelConfig(ADC1, ADC_Channel_3, 1, ADC_SampleTime_1Cycles5);
/* Enable EOC interrupt */
ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);
/* Enable ADC1 IRQ */
NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable ADC1 */
ADC_Cmd(ADC1, ENABLE);
/* wait for ADRDY */
while(ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY) == RESET);
/* ADC1 start Conversion */
ADC_StartConversion(ADC1);
}
