Initialization and de-initialization functions

Initialization and de-initialization functions. More...

Functions
HAL_StatusTypeDef	HAL_MMC_Init (MMC_HandleTypeDef *hmmc)
	Initializes the MMC according to the specified parameters in the MMC_HandleTypeDef and create the associated handle.
HAL_StatusTypeDef	HAL_MMC_InitCard (MMC_HandleTypeDef *hmmc)
	Initializes the MMC Card.
HAL_StatusTypeDef	HAL_MMC_DeInit (MMC_HandleTypeDef *hmmc)
	De-Initializes the MMC card.
__weak void	HAL_MMC_MspInit (MMC_HandleTypeDef *hmmc)
	Initializes the MMC MSP.
__weak void	HAL_MMC_MspDeInit (MMC_HandleTypeDef *hmmc)
	De-Initialize MMC 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 MMC
    card device to be ready for use.

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Function Documentation

HAL_StatusTypeDef HAL_MMC_DeInit

(

MMC_HandleTypeDef *

hmmc

)

De-Initializes the MMC card.

Parameters:

hmmc,:

Pointer to MMC handle

Return values:

HAL

status

Definition at line 499 of file stm32h7xx_hal_mmc.c.

References assert_param, __MMC_HandleTypeDef::ErrorCode, HAL_MMC_ERROR_NONE, HAL_MMC_MspDeInit(), HAL_MMC_STATE_BUSY, HAL_MMC_STATE_RESET, __MMC_HandleTypeDef::Instance, MMC_PowerOFF(), __MMC_HandleTypeDef::MspDeInitCallback, and __MMC_HandleTypeDef::State.

HAL_StatusTypeDef HAL_MMC_Init

(

MMC_HandleTypeDef *

hmmc

)

Initializes the MMC according to the specified parameters in the MMC_HandleTypeDef and create the associated handle.

Parameters:

hmmc,:

Pointer to the MMC handle

Return values:

HAL

status

Definition at line 345 of file stm32h7xx_hal_mmc.c.

References __MMC_HandleTypeDef::AbortCpltCallback, assert_param, __MMC_HandleTypeDef::Context, __MMC_HandleTypeDef::ErrorCallback, __MMC_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_NONE, HAL_MMC_AbortCallback(), HAL_MMC_ConfigWideBusOperation(), HAL_MMC_ErrorCallback(), HAL_MMC_InitCard(), HAL_MMC_MspInit(), HAL_MMC_RxCpltCallback(), HAL_MMC_STATE_BUSY, HAL_MMC_STATE_READY, HAL_MMC_STATE_RESET, HAL_MMC_TxCpltCallback(), HAL_MMCEx_Read_DMADoubleBuf0CpltCallback(), HAL_MMCEx_Read_DMADoubleBuf1CpltCallback(), HAL_MMCEx_Write_DMADoubleBuf0CpltCallback(), HAL_MMCEx_Write_DMADoubleBuf1CpltCallback(), __MMC_HandleTypeDef::Init, __MMC_HandleTypeDef::Instance, __MMC_HandleTypeDef::Lock, MMC_CONTEXT_NONE, __MMC_HandleTypeDef::MspInitCallback, __MMC_HandleTypeDef::Read_DMADblBuf0CpltCallback, __MMC_HandleTypeDef::Read_DMADblBuf1CpltCallback, __MMC_HandleTypeDef::RxCpltCallback, __MMC_HandleTypeDef::State, __MMC_HandleTypeDef::TxCpltCallback, __MMC_HandleTypeDef::Write_DMADblBuf0CpltCallback, and __MMC_HandleTypeDef::Write_DMADblBuf1CpltCallback.

HAL_StatusTypeDef HAL_MMC_InitCard

(

MMC_HandleTypeDef *

hmmc

)

Initializes the MMC Card.

Parameters:

hmmc,:

Pointer to MMC handle

Note:

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

Return values:

HAL

status

Definition at line 425 of file stm32h7xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, __MMC_HandleTypeDef::ErrorCode, HAL_Delay(), HAL_MMC_ERROR_NONE, HAL_MMC_STATE_READY, HAL_RCCEx_GetPeriphCLKFreq(), __MDMA_HandleTypeDef::Init, __MMC_HandleTypeDef::Instance, MMC_BLOCKSIZE, MMC_INIT_FREQ, MMC_InitCard(), MMC_InitTypeDef, MMC_PowerON(), RCC_PERIPHCLK_SDMMC, and __MMC_HandleTypeDef::State.

Referenced by HAL_MMC_Init().

void HAL_MMC_MspDeInit

(

MMC_HandleTypeDef *

hmmc

)

De-Initialize MMC MSP.

Parameters:

hmmc,:

Pointer to MMC handle

Return values:

None

Definition at line 555 of file stm32h7xx_hal_mmc.c.

Referenced by HAL_MMC_DeInit(), and HAL_MMC_UnRegisterCallback().

void HAL_MMC_MspInit

(

MMC_HandleTypeDef *

hmmc

)

Initializes the MMC MSP.

Parameters:

hmmc,:

Pointer to MMC handle

Return values:

None

Definition at line 540 of file stm32h7xx_hal_mmc.c.

Referenced by HAL_MMC_Init(), and HAL_MMC_UnRegisterCallback().