Functions
static uint32_t	MMC_InitCard (MMC_HandleTypeDef *hmmc)
	Initializes the mmc card.
static uint32_t	MMC_PowerON (MMC_HandleTypeDef *hmmc)
	Enquires cards about their operating voltage and configures clock controls and stores MMC information that will be needed in future in the MMC handle.
static uint32_t	MMC_SendStatus (MMC_HandleTypeDef hmmc, uint32_t pCardStatus)
	Returns the current card's status.
static void	MMC_PowerOFF (MMC_HandleTypeDef *hmmc)
	Turns the SDMMC output signals off.
static void	MMC_Write_IT (MMC_HandleTypeDef *hmmc)
	Wrap up writing in non-blocking mode.
static void	MMC_Read_IT (MMC_HandleTypeDef *hmmc)
	Wrap up reading in non-blocking mode.
static void	MMC_DMATransmitCplt (DMA_HandleTypeDef *hdma)
	DMA MMC transmit process complete callback.
static void	MMC_DMAReceiveCplt (DMA_HandleTypeDef *hdma)
	DMA MMC receive process complete callback.
static void	MMC_DMAError (DMA_HandleTypeDef *hdma)
	DMA MMC communication error callback.
static void	MMC_DMATxAbort (DMA_HandleTypeDef *hdma)
	DMA MMC Tx Abort callback.
static void	MMC_DMARxAbort (DMA_HandleTypeDef *hdma)
	DMA MMC Rx Abort callback.
static HAL_StatusTypeDef	MMC_ReadExtCSD (MMC_HandleTypeDef hmmc, uint32_t pFieldData, uint16_t FieldIndex, uint32_t Timeout)
	Reads extended CSD register to get the sectors number of the device.
static uint32_t	MMC_PwrClassUpdate (MMC_HandleTypeDef *hmmc, uint32_t Wide, uint32_t Speed)
	Update the power class of the device.

Function Documentation

static void MMC_DMAError ( DMA_HandleTypeDef * hdma ) [static]

DMA MMC communication error callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3763 of file stm32l4xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, __HAL_MMC_DISABLE_IT, __MMC_HandleTypeDef::Context, __MMC_HandleTypeDef::ErrorCallback, __DMA_HandleTypeDef::ErrorCode, __MMC_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_TE, HAL_MMC_CARD_RECEIVING, HAL_MMC_CARD_SENDING, HAL_MMC_ERROR_DMA, HAL_MMC_ErrorCallback(), HAL_MMC_GetCardState(), HAL_MMC_STATE_READY, __MMC_HandleTypeDef::hdmarx, __MMC_HandleTypeDef::hdmatx, __MMC_HandleTypeDef::Instance, MMC_CONTEXT_NONE, __DMA_HandleTypeDef::Parent, and __MMC_HandleTypeDef::State.

Referenced by HAL_MMC_ReadBlocks_DMA(), and HAL_MMC_WriteBlocks_DMA().

static void MMC_DMAReceiveCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA MMC receive process complete callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3721 of file stm32l4xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, __MMC_HandleTypeDef::Context, __MMC_HandleTypeDef::ErrorCallback, __MMC_HandleTypeDef::ErrorCode, HAL_MMC_ERROR_NONE, HAL_MMC_ErrorCallback(), HAL_MMC_RxCpltCallback(), HAL_MMC_STATE_READY, __MMC_HandleTypeDef::Instance, MMC_CONTEXT_DMA, MMC_CONTEXT_NONE, MMC_CONTEXT_READ_MULTIPLE_BLOCK, __DMA_HandleTypeDef::Parent, __MMC_HandleTypeDef::RxCpltCallback, and __MMC_HandleTypeDef::State.

Referenced by HAL_MMC_ReadBlocks_DMA().

static void MMC_DMARxAbort ( DMA_HandleTypeDef * hdma ) [static]

DMA MMC Rx Abort callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3849 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::AbortCpltCallback, __MMC_HandleTypeDef::Context, __MMC_HandleTypeDef::ErrorCallback, __MMC_HandleTypeDef::ErrorCode, HAL_MMC_AbortCallback(), HAL_MMC_CARD_RECEIVING, HAL_MMC_CARD_SENDING, HAL_MMC_ERROR_NONE, HAL_MMC_ErrorCallback(), HAL_MMC_GetCardState(), HAL_MMC_STATE_READY, __MMC_HandleTypeDef::hdmarx, __MMC_HandleTypeDef::hdmatx, __MMC_HandleTypeDef::Instance, MMC_CONTEXT_NONE, __DMA_HandleTypeDef::Parent, and __MMC_HandleTypeDef::State.

Referenced by HAL_MMC_Abort_IT(), and HAL_MMC_IRQHandler().

static void MMC_DMATransmitCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA MMC transmit process complete callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3708 of file stm32l4xx_hal_mmc.c.

References __HAL_MMC_ENABLE_IT, and __DMA_HandleTypeDef::Parent.

Referenced by HAL_MMC_WriteBlocks_DMA().

static void MMC_DMATxAbort ( DMA_HandleTypeDef * hdma ) [static]

DMA MMC Tx Abort callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3803 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::AbortCpltCallback, __MMC_HandleTypeDef::Context, __MMC_HandleTypeDef::ErrorCallback, __MMC_HandleTypeDef::ErrorCode, HAL_MMC_AbortCallback(), HAL_MMC_CARD_RECEIVING, HAL_MMC_CARD_SENDING, HAL_MMC_ERROR_NONE, HAL_MMC_ErrorCallback(), HAL_MMC_GetCardState(), HAL_MMC_STATE_READY, __MMC_HandleTypeDef::hdmarx, __MMC_HandleTypeDef::hdmatx, __MMC_HandleTypeDef::Instance, MMC_CONTEXT_NONE, __DMA_HandleTypeDef::Parent, and __MMC_HandleTypeDef::State.

Referenced by HAL_MMC_Abort_IT(), and HAL_MMC_IRQHandler().

static uint32_t MMC_InitCard ( MMC_HandleTypeDef * hmmc ) [static]

Initializes the mmc card.

Parameters:

hmmc	Pointer to MMC handle

Return values:

MMC	Card error state

Definition at line 3896 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::CID, HAL_MMC_CardInfoTypeDef::Class, __MMC_HandleTypeDef::CSD, __MMC_HandleTypeDef::ErrorCode, __MMC_HandleTypeDef::Ext_CSD, HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_REQUEST_NOT_APPLICABLE, HAL_MMC_GetCardCSD(), HAL_MMC_GetCardExtCSD(), __MMC_HandleTypeDef::Init, __MMC_HandleTypeDef::Instance, MMC_InitTypeDef, __MMC_HandleTypeDef::MmcCard, and HAL_MMC_CardInfoTypeDef::RelCardAdd.

Referenced by HAL_MMC_InitCard().

static void MMC_PowerOFF ( MMC_HandleTypeDef * hmmc ) [static]

Turns the SDMMC output signals off.

Parameters:

hmmc	Pointer to MMC handle

Return values:

None

Definition at line 4055 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::Instance.

Referenced by HAL_MMC_DeInit().

static uint32_t MMC_PowerON ( MMC_HandleTypeDef * hmmc ) [static]

Enquires cards about their operating voltage and configures clock controls and stores MMC information that will be needed in future in the MMC handle.

Parameters:

hmmc	Pointer to MMC handle

Return values:

error state

Definition at line 4003 of file stm32l4xx_hal_mmc.c.

References HAL_MMC_CardInfoTypeDef::CardType, HAL_MMC_ERROR_INVALID_VOLTRANGE, HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_UNSUPPORTED_FEATURE, __MMC_HandleTypeDef::Instance, MMC_HIGH_CAPACITY_CARD, MMC_LOW_CAPACITY_CARD, MMC_VOLTAGE_RANGE, and __MMC_HandleTypeDef::MmcCard.

Referenced by HAL_MMC_InitCard().

static uint32_t MMC_PwrClassUpdate	(	MMC_HandleTypeDef *	hmmc,
		uint32_t	Wide,
		uint32_t	Speed
	)		`[static]`

Update the power class of the device.

Parameters:

hmmc	MMC handle
Wide	Wide of MMC bus
Speed	Speed of the MMC bus

Return values:

MMC	Card error state

Definition at line 4506 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::Ext_CSD, HAL_MMC_ERROR_NONE, __MMC_HandleTypeDef::Instance, MMC_EXT_CSD_PWR_CL_26_INDEX, MMC_EXT_CSD_PWR_CL_26_POS, MMC_EXT_CSD_PWR_CL_52_INDEX, MMC_EXT_CSD_PWR_CL_52_POS, MMC_EXT_CSD_PWR_CL_DDR_52_INDEX, MMC_EXT_CSD_PWR_CL_DDR_52_POS, MMC_ReadExtCSD(), __MMC_HandleTypeDef::MmcCard, and HAL_MMC_CardInfoTypeDef::RelCardAdd.

Referenced by HAL_MMC_ConfigWideBusOperation().

static void MMC_Read_IT ( MMC_HandleTypeDef * hmmc ) [static]

Wrap up reading in non-blocking mode.

Parameters:

hmmc	pointer to a MMC_HandleTypeDef structure that contains the configuration information.

Return values:

None

Definition at line 4212 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::Instance, __MMC_HandleTypeDef::pRxBuffPtr, and __MMC_HandleTypeDef::RxXferSize.

Referenced by HAL_MMC_IRQHandler().

static HAL_StatusTypeDef MMC_ReadExtCSD	(	MMC_HandleTypeDef *	hmmc,
		uint32_t *	pFieldData,
		uint16_t	FieldIndex,
		uint32_t	Timeout
	)		`[static]`

Reads extended CSD register to get the sectors number of the device.

Parameters:

hmmc	Pointer to MMC handle
pFieldData	Pointer to the read buffer
FieldIndex	Index of the field to be read
Timeout	Specify timeout value

Return values:

HAL status

Definition at line 4098 of file stm32l4xx_hal_mmc.c.

References __HAL_MMC_CLEAR_FLAG, __HAL_MMC_GET_FLAG, __MMC_HandleTypeDef::ErrorCode, HAL_GetTick(), HAL_MMC_ERROR_DATA_CRC_FAIL, HAL_MMC_ERROR_DATA_TIMEOUT, HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_RX_OVERRUN, HAL_MMC_ERROR_TIMEOUT, HAL_MMC_STATE_READY, __MMC_HandleTypeDef::Instance, __MMC_HandleTypeDef::MmcCard, HAL_MMC_CardInfoTypeDef::RelCardAdd, and __MMC_HandleTypeDef::State.

Referenced by HAL_MMC_GetCardCSD(), and MMC_PwrClassUpdate().

static uint32_t MMC_SendStatus	(	MMC_HandleTypeDef *	hmmc,
		uint32_t *	pCardStatus
	)		`[static]`

Returns the current card's status.

Parameters:

hmmc	Pointer to MMC handle
pCardStatus	pointer to the buffer that will contain the MMC card status (Card Status register)

Return values:

error state

Definition at line 4068 of file stm32l4xx_hal_mmc.c.

References HAL_MMC_ERROR_NONE, HAL_MMC_ERROR_PARAM, __MMC_HandleTypeDef::Instance, __MMC_HandleTypeDef::MmcCard, and HAL_MMC_CardInfoTypeDef::RelCardAdd.

Referenced by HAL_MMC_GetCardState().

static void MMC_Write_IT ( MMC_HandleTypeDef * hmmc ) [static]

Wrap up writing in non-blocking mode.

Parameters:

hmmc	pointer to a MMC_HandleTypeDef structure that contains the configuration information.

Return values:

None

Definition at line 4251 of file stm32l4xx_hal_mmc.c.

References __MMC_HandleTypeDef::Instance, __MMC_HandleTypeDef::pTxBuffPtr, and __MMC_HandleTypeDef::TxXferSize.

Referenced by HAL_MMC_IRQHandler().

Functions

Function Documentation