C++ (Cpp) IS_ADC_REGULAR_DISC_NUMBER Examples

Example #1

File: stm32f10x_adc.c Project: alexd74/stm32base

/**
  * @brief  Configures the discontinuous mode for the selected ADC regular
  *         group channel.
  * @param  ADCx: where x can be 1, 2 or 3 to select the ADC peripheral.
  * @param  Number: specifies the discontinuous mode regular channel
  *         count value. This number must be between 1 and 8.
  * @retval None
  */
void ADC_DiscModeChannelCountConfig(ADC_TypeDef* ADCx, uint8_t Number)
{
  uint32_t tmpreg1 = 0;
  uint32_t tmpreg2 = 0;
  /* Check the parameters */
  assert_param(IS_ADC_ALL_PERIPH(ADCx));
  assert_param(IS_ADC_REGULAR_DISC_NUMBER(Number));
  /* Get the old register value */
  tmpreg1 = ADCx->CR1;
  /* Clear the old discontinuous mode channel count */
  tmpreg1 &= CR1_DISCNUM_Reset;
  /* Set the discontinuous mode channel count */
  tmpreg2 = Number - 1;
  tmpreg1 |= tmpreg2 << 13;
  /* Store the new register value */
  ADCx->CR1 = tmpreg1;
}

Example #2

File: stm32f10x_adc.c Project: WrongChao/lammbo-fly

/*******************************************************************************
* 函数名称: ADC_DiscModeChannelCountConfig
* 功能描述: 配置选中的ADC常规组为非连续模式.
* 输入参数: (1)ADCx:其中x可以是1、2或3，用来选择ADC外围模块.
*           (2)Number:非连续模式下常规信道计数值。该值范围为1－8。
* 输出参数: 无
* 返回参数: 无
*******************************************************************************/
void ADC_DiscModeChannelCountConfig(ADC_TypeDef* ADCx, u8 Number)
{
  u32 tmpreg1 = 0;
  u32 tmpreg2 = 0;

  /* Check the parameters [检查参数] */
  assert_param(IS_ADC_ALL_PERIPH(ADCx));
  assert_param(IS_ADC_REGULAR_DISC_NUMBER(Number));

  /* Get the old register value [取得过去的寄存器值]*/
  tmpreg1 = ADCx->CR1;
  /* Clear the old discontinuous mode channel count [清除过去的不间断模式通道计数器]*/
  tmpreg1 &= CR1_DISCNUM_Reset;
  /* Set the discontinuous mode channel count [设置不间断模式通道计数器]*/
  tmpreg2 = Number - 1;
  tmpreg1 |= tmpreg2 << 13;
  /* Store the new register value [存储新的寄存器值]*/
  ADCx->CR1 = tmpreg1;
}

Example #3

File: stm32f4xx_hal_adc.c Project: Cheong2K/rt-thread

/**
  * @brief  Initializes the ADCx peripheral according to the specified parameters 
  *         in the ADC_InitStruct without initializing the ADC MSP.       
  * @param  hadc: pointer to a ADC_HandleTypeDef structure that contains
  *         the configuration information for the specified ADC.  
  * @retval None
  */
static void ADC_Init(ADC_HandleTypeDef* hadc)
{
  /* Set ADC parameters */
  /* Set the ADC clock prescaler */
  ADC->CCR &= ~(ADC_CCR_ADCPRE);
  ADC->CCR |=  hadc->Init.ClockPrescaler;
  
  /* Set ADC scan mode */
  hadc->Instance->CR1 &= ~(ADC_CR1_SCAN);
  hadc->Instance->CR1 |=  ADC_CR1_SCANCONV(hadc->Init.ScanConvMode);
  
  /* Set ADC resolution */
  hadc->Instance->CR1 &= ~(ADC_CR1_RES);
  hadc->Instance->CR1 |=  hadc->Init.Resolution;
  
  /* Set ADC data alignment */
  hadc->Instance->CR2 &= ~(ADC_CR2_ALIGN);
  hadc->Instance->CR2 |= hadc->Init.DataAlign;
  
  /* Enable external trigger if trigger selection is different of software  */
  /* start.                                                                 */
  /* Note: This configuration keeps the hardware feature of parameter       */
  /*       ExternalTrigConvEdge "trigger edge none" equivalent to           */
  /*       software start.                                                  */
  if(hadc->Init.ExternalTrigConv != ADC_SOFTWARE_START)
  {
    /* Select external trigger to start conversion */
    hadc->Instance->CR2 &= ~(ADC_CR2_EXTSEL);
    hadc->Instance->CR2 |= hadc->Init.ExternalTrigConv;
    
    /* Select external trigger polarity */
    hadc->Instance->CR2 &= ~(ADC_CR2_EXTEN);
    hadc->Instance->CR2 |= hadc->Init.ExternalTrigConvEdge;
  }
  else
  {
    /* Reset the external trigger */
    hadc->Instance->CR2 &= ~(ADC_CR2_EXTSEL);
    hadc->Instance->CR2 &= ~(ADC_CR2_EXTEN);
  }
  
  /* Enable or disable ADC continuous conversion mode */
  hadc->Instance->CR2 &= ~(ADC_CR2_CONT);
  hadc->Instance->CR2 |= ADC_CR2_CONTINUOUS(hadc->Init.ContinuousConvMode);
  
  if(hadc->Init.DiscontinuousConvMode != DISABLE)
  {
    assert_param(IS_ADC_REGULAR_DISC_NUMBER(hadc->Init.NbrOfDiscConversion));
  
    /* Enable the selected ADC regular discontinuous mode */
    hadc->Instance->CR1 |= (uint32_t)ADC_CR1_DISCEN;
    
    /* Set the number of channels to be converted in discontinuous mode */
    hadc->Instance->CR1 &= ~(ADC_CR1_DISCNUM);
    hadc->Instance->CR1 |=  ADC_CR1_DISCONTINUOUS(hadc->Init.NbrOfDiscConversion);
  }
  else
  {
    /* Disable the selected ADC regular discontinuous mode */
    hadc->Instance->CR1 &= ~(ADC_CR1_DISCEN);
  }
  
  /* Set ADC number of conversion */
  hadc->Instance->SQR1 &= ~(ADC_SQR1_L);
  hadc->Instance->SQR1 |=  ADC_SQR1(hadc->Init.NbrOfConversion);
  
  /* Enable or disable ADC DMA continuous request */
  hadc->Instance->CR2 &= ~(ADC_CR2_DDS);
  hadc->Instance->CR2 |= ADC_CR2_DMAContReq(hadc->Init.DMAContinuousRequests);
  
  /* Enable or disable ADC end of conversion selection */
  hadc->Instance->CR2 &= ~(ADC_CR2_EOCS);
  hadc->Instance->CR2 |= ADC_CR2_EOCSelection(hadc->Init.EOCSelection);
}