STM32H750XB_RT-THREAD/29-ADC电压采集/ADC—双重ADC-单通道—交替采集/User/adc/bsp_adc.c

/**
  ******************************************************************
  * @file    bsp_adcd.c
  * @author  fire
  * @version V1.1
  * @date    2019xx-xx
  * @brief   adcӦ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD>
  ******************************************************************
  * @attention
  *
  * ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32H750<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
  * <EFBFBD><EFBFBD>˾    :http://www.embedfire.com
  * <EFBFBD><EFBFBD>̳    :http://www.firebbs.cn
  * <EFBFBD>Ա<EFBFBD>    :https://fire-stm32.taobao.com
  *
  ******************************************************************
  */
#include "./adc/bsp_adc.h" 

extern float ADC_vol;

ADC_HandleTypeDef ADC_Handle;
ADC_HandleTypeDef ADC_SLAVE_Handle;
DMA_HandleTypeDef hdma_adc;
ADC_MultiModeTypeDef ADC_multimode;
__IO uint32_t ADC_ConvertedValue = 0;


/**
  * @brief  ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */  
static void ADC_GPIO_Mode_Config(void)
{
    /* <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>GPIO_InitTypeDef<65><66><EFBFBD>͵Ľṹ<C4BD><E1B9B9> */
    GPIO_InitTypeDef  GPIO_InitStruct;
    /* ʹ<><CAB9>ADC<44><43><EFBFBD>ŵ<EFBFBD>ʱ<EFBFBD><CAB1> */
    RHEOSTAT_ADC_GPIO_CLK_ENABLE();
    
    GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; 
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Pin = RHEOSTAT_ADC_PIN; 
    /* <20><><EFBFBD><EFBFBD>Ϊģ<CEAA><C4A3><EFBFBD><EFBFBD><EFBFBD>룬<EFBFBD><EBA3AC><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */ 
    HAL_GPIO_Init(RHEOSTAT_ADC_GPIO_PORT, &GPIO_InitStruct);
  
}

/**
  * @brief  ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */ 
static void ADC_Mode_Config(void)
{
    ADC_ChannelConfTypeDef ADC_Config;
  
    RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;  
    /*            <20><><EFBFBD><EFBFBD>ADC3ʱ<33><CAB1>Դ             */
    /*    HSE Frequency(Hz)    = 25000000   */                                             
    /*         PLL_M                = 5     */
    /*         PLL_N                = 160   */
    /*         PLL_P                = 25    */
    /*         PLL_Q                = 2     */
    /*         PLL_R                = 2     */
    /*     ADC_ker_clk         = 32000000   */
	RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
    RCC_PeriphClkInit.PLL2.PLL2FRACN = 0;
    RCC_PeriphClkInit.PLL2.PLL2M = 5;
    RCC_PeriphClkInit.PLL2.PLL2N = 160;
    RCC_PeriphClkInit.PLL2.PLL2P = 25;
    RCC_PeriphClkInit.PLL2.PLL2Q = 2;
    RCC_PeriphClkInit.PLL2.PLL2R = 2;
    RCC_PeriphClkInit.PLL2.PLL2RGE = RCC_PLL2VCIRANGE_2;
    RCC_PeriphClkInit.PLL2.PLL2VCOSEL = RCC_PLL2VCOWIDE;
    RCC_PeriphClkInit.AdcClockSelection = RCC_ADCCLKSOURCE_PLL2; 
	HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);  
  
    /* ʹ<><CAB9>ADCʱ<43><CAB1> */
    RHEOSTAT_ADC_MASTER_CLK_ENABLE();
    /* ʹ<><CAB9>DMAʱ<41><CAB1> */
    RHEOSTAT_ADC_DMA_CLK_ENABLE();
    /* ʹ<><CAB9>ADC_SLAVEʱ<45><CAB1> */
    RHEOSTAT_ADC_SLAVE_CLK_ENABLE();
    
    //ѡ<><D1A1>DMA1<41><31>Stream1
    hdma_adc.Instance = RHEOSTAT_ADC_DMA_Base;
    //ADC1<43><31>DMA<4D><41><EFBFBD><EFBFBD>
    hdma_adc.Init.Request = RHEOSTAT_ADC_DMA_Request;
    //<2F><><EFBFBD>䷽<EFBFBD><E4B7BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-<2D><><EFBFBD>ڴ<EFBFBD>
    hdma_adc.Init.Direction = DMA_PERIPH_TO_MEMORY;
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    hdma_adc.Init.PeriphInc = DMA_PINC_DISABLE;
    //<2F>ڴ<EFBFBD><DAB4><EFBFBD>ַ<EFBFBD><D6B7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    hdma_adc.Init.MemInc = DMA_PINC_DISABLE;
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF>ȣ<EFBFBD><C8A3><EFBFBD>
    hdma_adc.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
    //<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF>ȣ<EFBFBD><C8A3><EFBFBD>
    hdma_adc.Init.MemDataAlignment = DMA_PDATAALIGN_WORD;
    //DMAѭ<41><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    hdma_adc.Init.Mode = DMA_CIRCULAR;
    //DMA<4D><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>
    hdma_adc.Init.Priority = DMA_PRIORITY_LOW;
    //FIFOģʽ<C4A3>ر<EFBFBD>
    hdma_adc.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
    //DMA<4D><41>ʼ<EFBFBD><CABC>
    HAL_DMA_Init(&hdma_adc);
    //hdma_adc<64><63>ADC_Handle.DMA_Handle<6C><65><EFBFBD><EFBFBD>
    __HAL_LINKDMA(&ADC_Handle,DMA_Handle,hdma_adc);     
    
    ADC_Handle.Instance = RHEOSTAT_ADC_MASTER;

    //ADCʱ<43><CAB1>1<EFBFBD><31>Ƶ
    ADC_Handle.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
    //ʹ<><CAB9><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>ģʽ
    ADC_Handle.Init.ContinuousConvMode = ENABLE;
    //<2F><><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݼĴ<DDBC><C4B4><EFBFBD><EFBFBD><EFBFBD>
    ADC_Handle.Init.ConversionDataManagement = ADC_CONVERSIONDATA_DMA_CIRCULAR;
    //<2F>رղ<D8B1><D5B2><EFBFBD><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>ģʽ
    ADC_Handle.Init.DiscontinuousConvMode = DISABLE;
    //<2F><><EFBFBD><EFBFBD>ת<EFBFBD><D7AA>
    ADC_Handle.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    ADC_Handle.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    //<2F>رյ͹<D5B5><CDB9><EFBFBD><EFBFBD>Զ<EFBFBD><D4B6>ȴ<EFBFBD>
    ADC_Handle.Init.LowPowerAutoWait = DISABLE;
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>д<EFBFBD><D0B4>
    ADC_Handle.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN;
    //<2F><>ʹ<EFBFBD>ܹ<EFBFBD><DCB9><EFBFBD><EFBFBD><EFBFBD>ģʽ
    ADC_Handle.Init.OversamplingMode = DISABLE;
    //<2F>ֱ<EFBFBD><D6B1><EFBFBD>Ϊ<EFBFBD><CEAA>16bit
    ADC_Handle.Init.Resolution = ADC_RESOLUTION_16B;
    //<2F><>ʹ<EFBFBD>ܶ<EFBFBD>ͨ<EFBFBD><CDA8>ɨ<EFBFBD><C9A8>
    ADC_Handle.Init.ScanConvMode = DISABLE;
    //<2F><>ʼ<EFBFBD><CABC> ADC_MASTER
    HAL_ADC_Init(&ADC_Handle);
		
		//ADCУ׼
    HAL_ADCEx_Calibration_Start(&ADC_Handle,ADC_CALIB_OFFSET,ADC_SINGLE_ENDED); 
		
    //<2F><>ʼ<EFBFBD><CABC> ADC_SLAVE
    ADC_SLAVE_Handle.Instance = RHEOSTAT_ADC_SLAVE;
    ADC_SLAVE_Handle.Init = ADC_Handle.Init;
    HAL_ADC_Init(&ADC_SLAVE_Handle);
		
		//ADCУ׼
    HAL_ADCEx_Calibration_Start(&ADC_SLAVE_Handle,ADC_CALIB_OFFSET,ADC_SINGLE_ENDED); 
                  
    //ʹ<><CAB9>ͨ<EFBFBD><CDA8>18
    ADC_Config.Channel = RHEOSTAT_ADC_MASTER_CHANNEL;
    //ת<><D7AA>˳<EFBFBD><CBB3>Ϊ1
    ADC_Config.Rank = ADC_REGULAR_RANK_1;
    //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ64.5<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    ADC_Config.SamplingTime = ADC_SAMPLETIME_64CYCLES_5;
    //<2F><>ʹ<EFBFBD>ò<EFBFBD><C3B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĺ<EFBFBD><C4B9><EFBFBD>
    ADC_Config.SingleDiff = ADC_SINGLE_ENDED ;
    //<2F><><EFBFBD><EFBFBD>ADCѡ<43><D1A1><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB><EFBFBD><EFBFBD>
    ADC_Config.OffsetNumber = ADC_OFFSET_NONE;
    
    //<2F><><EFBFBD><EFBFBD>ADC_MASTERͨ<52><CDA8>
    HAL_ADC_ConfigChannel(&ADC_Handle, &ADC_Config); 
    
    ADC_Config.Channel =RHEOSTAT_ADC_SLAVE_CHANNEL; 
    //<2F><><EFBFBD><EFBFBD>ADC_SLAVEͨ<45><CDA8>
    HAL_ADC_ConfigChannel(&ADC_SLAVE_Handle, &ADC_Config);
    
    //ʹ<><CAB9>ADC1<43><31>2
    ADC_Enable(&ADC_Handle);
    ADC_Enable(&ADC_SLAVE_Handle);
    
    //<2F><><EFBFBD>ݸ<EFBFBD>ʽ
    ADC_multimode.DualModeData = ADC_DUALMODEDATAFORMAT_32_10_BITS;
    //˫<><CBAB>ADC<44><43><EFBFBD><EFBFBD>ģʽ
    ADC_multimode.Mode = ADC_DUALMODE_INTERL;
    //ADC_MASTER<45><52>ADC_SLAVE<56><45><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD><33>ADCʱ<43><CAB1>
    ADC_multimode.TwoSamplingDelay = ADC_TWOSAMPLINGDELAY_3CYCLES;
    //ADC˫<43><CBAB>ģʽ<C4A3><CABD><EFBFBD>ó<EFBFBD>ʼ<EFBFBD><CABC>
    HAL_ADCEx_MultiModeConfigChannel(&ADC_Handle, &ADC_multimode);
    //ʹ<><CAB9>DMA
    HAL_ADCEx_MultiModeStart_DMA(&ADC_Handle, (uint32_t*)&ADC_ConvertedValue, 1);
    
}
/**
  * @brief  ADC<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */  
void Rheostat_ADC_NVIC_Config(void)
{
    HAL_NVIC_SetPriority(Rheostat_ADC12_IRQ, 1, 0);
    HAL_NVIC_EnableIRQ(Rheostat_ADC12_IRQ);
}

/**
  * @brief  ADC<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @param  <EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
void ADC_Init(void)
{
    
    ADC_GPIO_Mode_Config();
  
    ADC_Mode_Config();
    
    //<2F><>ʼADCת<43><D7AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    HAL_ADC_Start(&ADC_Handle);
    HAL_ADC_Start(&ADC_SLAVE_Handle);
}

/**
  * @brief  ת<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϻص<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD>
  * @param  AdcHandle : ADC<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  * @retval <EFBFBD><EFBFBD>
  */
void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* AdcHandle)
{
  /* <20><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD> */
    ADC_ConvertedValue = HAL_ADC_GetValue(AdcHandle); 
}
/*********************************************END OF FILE**********************/