ADC STM32f303
Hi everyone,
I’m coming to you because I’m truely desesperate. I’d like to use the ADC on stm32f303K8T6. I am working on System WorkBench (Windows 10). I’ve tried lots of example, but no one works. The problem comes from the configuration:
void My_ADC_Init(void){
//Working on ADC1_IN1
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
ADC_CommonInitTypeDef ADC_CommonInitStructure;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
RCC_ADCCLKConfig(RCC_ADC12PLLCLK_Div1);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_ADC12, ENABLE);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
GPIO_InitStructure.GPIO_OType=GPIO_OType_OD;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
ADC_StructInit(&ADC_InitStructure);
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);
//Start Calibration
ADC_VrefintCmd(ADC1, ENABLE);
ADC_VoltageRegulatorCmd(ADC1, ENABLE);
ADC_SelectCalibrationMode(ADC1, ADC_CalibrationMode_Single);
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1) != RESET );
ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_1Cycles5);
ADC_Cmd(ADC1, ENABLE);
/* wait for ADRDY */ while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_RDY));
}
I want to work on the PA0. Unfortunately, I stay stuck in the while(ADC_GetCalibrationStatus(ADC1) != RESET ); loop (I tried with the debugger). I don’t know why.
I know it’s a very simple problem, but I can’t fix it.
Thanks in advance.
Emilien
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