GD32与STM32的ADC差距？

void Temp_Init(void)

{

        ADC_InitTypeDef ADC_InitStructure;

        GPIO_InitTypeDef GPIO_InitStructure;

        DMA_InitTypeDef DMA_InitStructure;

        /* ADCCLK = PCLK2/2 */

        RCC_ADCCLKConfig(RCC_PCLK2_Div8); 

        /* Enable peripheral clocks ------------------------------------------------*/

        /* Enable DMA1 clock */

        RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);



        /* Enable ADC1 and GPIOC clock */

        RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);



        /* Configure PA.00 PA.01(ADC Channel0 1) as analog input -------------------------*/

        GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1;

        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;

        GPIO_Init(GPIOA, &GPIO_InitStructure);



        /* DMA1 channel1 configuration ----------------------------------------------*/

        DMA_DeInit(DMA1_Channel1);

        DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;

        DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)ADCConvertedValue;

        DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;

        DMA_InitStructure.DMA_BufferSize = ADC1_Buf_Len*4;

        DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;

        DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;

        DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;

        DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;

        DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;

        DMA_InitStructure.DMA_Priority = DMA_Priority_High;

        DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;

        DMA_Init(DMA1_Channel1, &DMA_InitStructure);



        /* Enable DMA1 channel1 */

        DMA_Cmd(DMA1_Channel1, ENABLE);



        /* ADC1 configuration ------------------------------------------------------*/

        ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;

        ADC_InitStructure.ADC_ScanConvMode = ENABLE;

        ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;

        ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;

        ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;

        ADC_InitStructure.ADC_NbrOfChannel = 4;

        ADC_Init(ADC1, &ADC_InitStructure);



        ADC_TempSensorVrefintCmd(ENABLE);



        /* ADC1 regular channel0 1 configuration */ 

        ADC_RegularChannelConfig(ADC1, ADC_Channel_0, 1, ADC_SampleTime_55Cycles5);

        ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 2, ADC_SampleTime_55Cycles5);

        ADC_RegularChannelConfig(ADC1, ADC_Channel_16, 3, ADC_SampleTime_55Cycles5);

        ADC_RegularChannelConfig(ADC1, ADC_Channel_17, 4, ADC_SampleTime_55Cycles5);



        /* Enable ADC1 DMA */

        ADC_DMACmd(ADC1, ENABLE);



        /* Enable ADC1 */

        ADC_Cmd(ADC1, ENABLE);



        /* Enable ADC1 reset calibration register */   

        ADC_ResetCalibration(ADC1);

        /* Check the end of ADC1 reset calibration register */

        while(ADC_GetResetCalibrationStatus(ADC1));



        /* Start ADC1 calibration */

        ADC_StartCalibration(ADC1);

        /* Check the end of ADC1 calibration */

        while(ADC_GetCalibrationStatus(ADC1));

        

        /* Start ADC1 Software Conversion */ 

        ADC_SoftwareStartConvCmd(ADC1, ENABLE);

}