C++ (Cpp) IS_SDIO_CLKDIV示例

示例#1

文件： stm32f2xx_ll_sdmmc.c 项目： AlessandroA/mbed

/**
  * @brief  Initializes the SDIO according to the specified
  *         parameters in the SDIO_InitTypeDef and create the associated handle.
  * @param  SDIOx: Pointer to SDIO register base
  * @param  Init: SDIO initialization structure   
  * @retval HAL status
  */
HAL_StatusTypeDef SDIO_Init(SDIO_TypeDef *SDIOx, SDIO_InitTypeDef Init)
{
  uint32_t tmpreg = 0; 

  /* Check the parameters */
  assert_param(IS_SDIO_ALL_INSTANCE(SDIOx));
  assert_param(IS_SDIO_CLOCK_EDGE(Init.ClockEdge)); 
  assert_param(IS_SDIO_CLOCK_BYPASS(Init.ClockBypass));
  assert_param(IS_SDIO_CLOCK_POWER_SAVE(Init.ClockPowerSave));
  assert_param(IS_SDIO_BUS_WIDE(Init.BusWide));
  assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(Init.HardwareFlowControl));
  assert_param(IS_SDIO_CLKDIV(Init.ClockDiv));
  
  /* Set SDIO configuration parameters */
  tmpreg |= (Init.ClockEdge           |\
             Init.ClockBypass         |\
             Init.ClockPowerSave      |\
             Init.BusWide             |\
             Init.HardwareFlowControl |\
             Init.ClockDiv
             ); 
  
  /* Write to SDIO CLKCR */
  MODIFY_REG(SDIOx->CLKCR, CLKCR_CLEAR_MASK, tmpreg);  

  return HAL_OK;
}

示例#2

文件： stm32f4xx_ll_sdmmc.c 项目： 0x00f/stm32

/**
  * @brief  Initializes the SDIO according to the specified
  *         parameters in the SDIO_InitTypeDef and create the associated handle.
  * @param  SDIOx: Pointer to SDIO register base
  * @param  Init: SDIO initialization structure   
  * @retval HAL status
  */
HAL_StatusTypeDef SDIO_Init(SDIO_TypeDef *SDIOx, SDIO_InitTypeDef Init)
{
  __IO uint32_t tmpreg = 0; 

  /* Check the parameters */
  assert_param(IS_SDIO_ALL_INSTANCE(SDIOx));
  assert_param(IS_SDIO_CLOCK_EDGE(Init.ClockEdge)); 
  assert_param(IS_SDIO_CLOCK_BYPASS(Init.ClockBypass));
  assert_param(IS_SDIO_CLOCK_POWER_SAVE(Init.ClockPowerSave));
  assert_param(IS_SDIO_BUS_WIDE(Init.BusWide));
  assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(Init.HardwareFlowControl));
  assert_param(IS_SDIO_CLKDIV(Init.ClockDiv));
  
  /* Get the SDIO CLKCR value */
  tmpreg = SDIOx->CLKCR;
  
  /* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */
  tmpreg &= CLKCR_CLEAR_MASK;
  
  /* Set SDIO configuration parameters */
  tmpreg |= (Init.ClockEdge           |\
             Init.ClockBypass         |\
             Init.ClockPowerSave      |\
             Init.BusWide             |\
             Init.HardwareFlowControl |\
             Init.ClockDiv
             ); 
  
  /* Write to SDIO CLKCR */
  SDIOx->CLKCR = tmpreg;  

  return HAL_OK;
}