Initialization and de-initialization functions

Initialization and de-initialization functions. More...

Functions
HAL_StatusTypeDef	HAL_SD_Init (SD_HandleTypeDef *hsd)
	Initializes the SD according to the specified parameters in the SD_HandleTypeDef and create the associated handle.
HAL_StatusTypeDef	HAL_SD_InitCard (SD_HandleTypeDef *hsd)
	Initializes the SD Card.
HAL_StatusTypeDef	HAL_SD_DeInit (SD_HandleTypeDef *hsd)
	De-Initializes the SD card.
__weak void	HAL_SD_MspInit (SD_HandleTypeDef *hsd)
	Initializes the SD MSP.
__weak void	HAL_SD_MspDeInit (SD_HandleTypeDef *hsd)
	De-Initialize SD MSP.

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Detailed Description

Initialization and de-initialization functions.

  ==============================================================================
          ##### Initialization and de-initialization functions #####
  ==============================================================================
  [..]
    This section provides functions allowing to initialize/de-initialize the SD
    card device to be ready for use.

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Function Documentation

HAL_StatusTypeDef HAL_SD_DeInit

(

SD_HandleTypeDef *

hsd

)

De-Initializes the SD card.

Parameters:

hsd	Pointer to SD handle

Return values:

HAL

status

Definition at line 584 of file stm32l4xx_hal_sd.c.

References assert_param, __SD_HandleTypeDef::ErrorCode, HAL_SD_ERROR_NONE, HAL_SD_MspDeInit(), HAL_SD_STATE_BUSY, HAL_SD_STATE_RESET, __SD_HandleTypeDef::Init, __SD_HandleTypeDef::Instance, __SD_HandleTypeDef::MspDeInitCallback, SD_PowerOFF(), and __SD_HandleTypeDef::State.

HAL_StatusTypeDef HAL_SD_Init

(

SD_HandleTypeDef *

hsd

)

Initializes the SD according to the specified parameters in the SD_HandleTypeDef and create the associated handle.

Parameters:

hsd	Pointer to the SD handle

Return values:

HAL

status

Definition at line 357 of file stm32l4xx_hal_sd.c.

References __SD_HandleTypeDef::AbortCpltCallback, assert_param, CARD_SDHC_SDXC, HAL_SD_CardInfoTypeDef::CardType, __SD_HandleTypeDef::Context, __SD_HandleTypeDef::ErrorCallback, __SD_HandleTypeDef::ErrorCode, HAL_GetTick(), HAL_SD_AbortCallback(), HAL_SD_CARD_TRANSFER, HAL_SD_ConfigWideBusOperation(), HAL_SD_ERROR_NONE, HAL_SD_ERROR_TIMEOUT, HAL_SD_ErrorCallback(), HAL_SD_GetCardState(), HAL_SD_GetCardStatus(), HAL_SD_InitCard(), HAL_SD_MspInit(), HAL_SD_RxCpltCallback(), HAL_SD_STATE_BUSY, HAL_SD_STATE_READY, HAL_SD_STATE_RESET, HAL_SD_TxCpltCallback(), __SD_HandleTypeDef::Init, __SD_HandleTypeDef::Instance, __SD_HandleTypeDef::Lock, __SD_HandleTypeDef::MspInitCallback, __SD_HandleTypeDef::RxCpltCallback, SD_CONTEXT_NONE, __SD_HandleTypeDef::SdCard, __SD_HandleTypeDef::State, and __SD_HandleTypeDef::TxCpltCallback.

HAL_StatusTypeDef HAL_SD_InitCard

(

SD_HandleTypeDef *

hsd

)

Initializes the SD Card.

Parameters:

hsd	Pointer to SD handle

Note:

This function initializes the SD card. It could be used when a card re-initialization is needed.

Return values:

HAL

status

Definition at line 484 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __HAL_SD_DISABLE, __HAL_SD_ENABLE, BLOCKSIZE, __SD_HandleTypeDef::ErrorCode, HAL_Delay(), HAL_RCCEx_GetPeriphCLKFreq(), HAL_SD_ERROR_NONE, HAL_SD_STATE_READY, __SD_HandleTypeDef::Init, __SAI_HandleTypeDef::Init, __SD_HandleTypeDef::Instance, RCC_PERIPHCLK_SDMMC1, SD_INIT_FREQ, SD_InitCard(), SD_InitTypeDef, SD_PowerON(), and __SD_HandleTypeDef::State.

Referenced by HAL_SD_Init().

void HAL_SD_MspDeInit

(

SD_HandleTypeDef *

hsd

)

De-Initialize SD MSP.

Parameters:

hsd	Pointer to SD handle

Return values:

None

Definition at line 656 of file stm32l4xx_hal_sd.c.

Referenced by HAL_SD_DeInit(), and HAL_SD_UnRegisterCallback().

void HAL_SD_MspInit

(

SD_HandleTypeDef *

hsd

)

Initializes the SD MSP.

Parameters:

hsd	Pointer to SD handle

Return values:

None

Definition at line 641 of file stm32l4xx_hal_sd.c.

Referenced by HAL_SD_Init(), and HAL_SD_UnRegisterCallback().