[活动专区] 【AT-START-F407测评】+基于A/D的片内温度检测与显示

int main(void)

{

int num;

RCC_Configuration();

Delay_init();

DMA_Reset(DMA1_Channel1);

DMA_DefaultInitParaConfig(&DMA_InitStructure);

DMA_InitStructure.DMA_PeripheralBaseAddr    = ADC1_DR_Address;

DMA_InitStructure.DMA_MemoryBaseAddr     = (uint32_t)&ADCConvertedValue;

DMA_InitStructure.DMA_Direction             = DMA_DIR_PERIPHERALSRC;

DMA_InitStructure.DMA_BufferSize            = 1;

DMA_InitStructure.DMA_PeripheralInc          = DMA_PERIPHERALINC_DISABLE;

DMA_InitStructure.DMA_MemoryInc            = DMA_MEMORYINC_DISABLE;

DMA_InitStructure.DMA_PeripheralDataWidth    = DMA_PERIPHERALDATAWIDTH_HALFWORD;

DMA_InitStructure.DMA_MemoryDataWidth     = DMA_MEMORYDATAWIDTH_HALFWORD;

DMA_InitStructure.DMA_Mode                = DMA_MODE_CIRCULAR;

DMA_InitStructure.DMA_Priority              = DMA_PRIORITY_HIGH;

DMA_InitStructure.DMA_MTOM              = DMA_MEMTOMEM_DISABLE;

DMA_Init(DMA1_Channel1, &DMA_InitStructure); 

DMA_ChannelEnable(DMA1_Channel1, ENABLE);

ADC_StructInit(&ADC_InitStructure);

ADC_InitStructure.ADC_Mode              = ADC_Mode_Independent;

ADC_InitStructure.ADC_ScanMode          = DISABLE;

ADC_InitStructure.ADC_ContinuousMode     = ENABLE;

ADC_InitStructure.ADC_ExternalTrig         = ADC_ExternalTrig_None;

ADC_InitStructure.ADC_DataAlign           = ADC_DataAlign_Right;

ADC_InitStructure.ADC_NumOfChannel      = 1;

ADC_Init(ADC1, &ADC_InitStructure);

ADC_RegularChannelConfig(ADC1, ADC_Channel_TempSensor, 1, ADC_SampleTime_239_5); 

ADC_DMACtrl(ADC1, ENABLE);          

ADC_TempSensorVrefintCtrl(ENABLE);

ADC_Ctrl(ADC1, ENABLE);

ADC_RstCalibration(ADC1);

while(ADC_GetResetCalibrationStatus(ADC1));

ADC_StartCalibration(ADC1);

while(ADC_GetCalibrationStatus(ADC1));

ADC_SoftwareStartConvCtrl(ADC1, ENABLE);

AT32_OLED_Init();

OLED_Init();

OLED_Clear();

OLED_ShowString(0,0,"AT-START-F407",16);

OLED_ShowString(0,2,"OLED & ADC ",16);   

Delay_ms(1000u);

OLED_Clear();

OLED_ShowString(0,0,"AT-START-F407",16);

OLED_ShowString(0,2,"Temp:    deg C",16);

while (1)

{

num=(ADC_TEMP_BASE-(double)ADCConvertedValue*ADC_VREF/4096)/ADC_TEMP_SLOPE+25;

OLED_ShowNum(40,2,num,3,16);

Delay_sec(1);

}

}