Functions
static uint32_t	SD_InitCard (SD_HandleTypeDef *hsd)
	Initializes the sd card.
static uint32_t	SD_PowerON (SD_HandleTypeDef *hsd)
	Enquires cards about their operating voltage and configures clock controls and stores SD information that will be needed in future in the SD handle.
static uint32_t	SD_SendSDStatus (SD_HandleTypeDef hsd, uint32_t pSDstatus)
	Send Status info command.
static uint32_t	SD_SendStatus (SD_HandleTypeDef hsd, uint32_t pCardStatus)
	Returns the current card's status.
static uint32_t	SD_WideBus_Enable (SD_HandleTypeDef *hsd)
	Enables the SDMMC wide bus mode.
static uint32_t	SD_WideBus_Disable (SD_HandleTypeDef *hsd)
	Disables the SDMMC wide bus mode.
static uint32_t	SD_FindSCR (SD_HandleTypeDef hsd, uint32_t pSCR)
	Finds the SD card SCR register value.
static void	SD_PowerOFF (SD_HandleTypeDef *hsd)
	Turns the SDMMC output signals off.
static void	SD_Write_IT (SD_HandleTypeDef *hsd)
	Wrap up writing in non-blocking mode.
static void	SD_Read_IT (SD_HandleTypeDef *hsd)
	Wrap up reading in non-blocking mode.
static void	SD_DMATransmitCplt (DMA_HandleTypeDef *hdma)
	DMA SD transmit process complete callback.
static void	SD_DMAReceiveCplt (DMA_HandleTypeDef *hdma)
	DMA SD receive process complete callback.
static void	SD_DMAError (DMA_HandleTypeDef *hdma)
	DMA SD communication error callback.
static void	SD_DMATxAbort (DMA_HandleTypeDef *hdma)
	DMA SD Tx Abort callback.
static void	SD_DMARxAbort (DMA_HandleTypeDef *hdma)
	DMA SD Rx Abort callback.

Function Documentation

static void SD_DMAError ( DMA_HandleTypeDef * hdma ) [static]

DMA SD communication error callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3275 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __HAL_SD_DISABLE_IT, __SD_HandleTypeDef::Context, __SD_HandleTypeDef::ErrorCallback, __DMA_HandleTypeDef::ErrorCode, __SD_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_TE, HAL_SD_CARD_RECEIVING, HAL_SD_CARD_SENDING, HAL_SD_ERROR_DMA, HAL_SD_ErrorCallback(), HAL_SD_GetCardState(), HAL_SD_STATE_READY, __SD_HandleTypeDef::hdmarx, __SD_HandleTypeDef::hdmatx, __SD_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, SD_CONTEXT_NONE, and __SD_HandleTypeDef::State.

Referenced by HAL_SD_ReadBlocks_DMA(), and HAL_SD_WriteBlocks_DMA().

static void SD_DMAReceiveCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA SD receive process complete callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3233 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __SD_HandleTypeDef::Context, __SD_HandleTypeDef::ErrorCallback, __SD_HandleTypeDef::ErrorCode, HAL_SD_ERROR_NONE, HAL_SD_ErrorCallback(), HAL_SD_RxCpltCallback(), HAL_SD_STATE_READY, __SD_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, __SD_HandleTypeDef::RxCpltCallback, SD_CONTEXT_DMA, SD_CONTEXT_NONE, SD_CONTEXT_READ_MULTIPLE_BLOCK, and __SD_HandleTypeDef::State.

Referenced by HAL_SD_ReadBlocks_DMA().

static void SD_DMARxAbort ( DMA_HandleTypeDef * hdma ) [static]

DMA SD Rx Abort callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3354 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __SD_HandleTypeDef::AbortCpltCallback, __SD_HandleTypeDef::Context, __SD_HandleTypeDef::ErrorCallback, __SD_HandleTypeDef::ErrorCode, HAL_SD_AbortCallback(), HAL_SD_CARD_RECEIVING, HAL_SD_CARD_SENDING, HAL_SD_ERROR_NONE, HAL_SD_ErrorCallback(), HAL_SD_GetCardState(), HAL_SD_STATE_READY, __SD_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, SD_CONTEXT_NONE, and __SD_HandleTypeDef::State.

Referenced by HAL_SD_Abort_IT(), and HAL_SD_IRQHandler().

static void SD_DMATransmitCplt ( DMA_HandleTypeDef * hdma ) [static]

DMA SD transmit process complete callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3220 of file stm32l4xx_hal_sd.c.

References __HAL_SD_ENABLE_IT, and __DMA_HandleTypeDef::Parent.

Referenced by HAL_SD_WriteBlocks_DMA().

static void SD_DMATxAbort ( DMA_HandleTypeDef * hdma ) [static]

DMA SD Tx Abort callback.

Parameters:

hdma	DMA handle

Return values:

None

Definition at line 3315 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __SD_HandleTypeDef::AbortCpltCallback, __SD_HandleTypeDef::Context, __SD_HandleTypeDef::ErrorCallback, __SD_HandleTypeDef::ErrorCode, HAL_SD_AbortCallback(), HAL_SD_CARD_RECEIVING, HAL_SD_CARD_SENDING, HAL_SD_ERROR_NONE, HAL_SD_ErrorCallback(), HAL_SD_GetCardState(), HAL_SD_STATE_READY, __SD_HandleTypeDef::Instance, __DMA_HandleTypeDef::Parent, SD_CONTEXT_NONE, and __SD_HandleTypeDef::State.

Referenced by HAL_SD_Abort_IT(), and HAL_SD_IRQHandler().

static uint32_t SD_FindSCR	(	SD_HandleTypeDef *	hsd,
		uint32_t *	pSCR
	)		`[static]`

Finds the SD card SCR register value.

Parameters:

hsd	Pointer to SD handle
pSCR	pointer to the buffer that will contain the SCR value

Return values:

error state

Definition at line 3907 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __HAL_SD_GET_FLAG, HAL_GetTick(), HAL_SD_ERROR_DATA_CRC_FAIL, HAL_SD_ERROR_DATA_TIMEOUT, HAL_SD_ERROR_NONE, HAL_SD_ERROR_RX_OVERRUN, HAL_SD_ERROR_TIMEOUT, __SD_HandleTypeDef::Instance, HAL_SD_CardInfoTypeDef::RelCardAdd, and __SD_HandleTypeDef::SdCard.

Referenced by SD_WideBus_Disable(), and SD_WideBus_Enable().

static uint32_t SD_InitCard ( SD_HandleTypeDef * hsd ) [static]

Initializes the sd card.

Parameters:

hsd	Pointer to SD handle

Return values:

SD	Card error state

Definition at line 3394 of file stm32l4xx_hal_sd.c.

References CARD_SECURED, HAL_SD_CardInfoTypeDef::CardType, __SD_HandleTypeDef::CID, HAL_SD_CardInfoTypeDef::Class, __SD_HandleTypeDef::CSD, HAL_SD_ERROR_NONE, HAL_SD_ERROR_REQUEST_NOT_APPLICABLE, HAL_SD_ERROR_UNSUPPORTED_FEATURE, HAL_SD_GetCardCSD(), __SD_HandleTypeDef::Init, __SD_HandleTypeDef::Instance, HAL_SD_CardInfoTypeDef::RelCardAdd, and __SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_InitCard().

static void SD_PowerOFF ( SD_HandleTypeDef * hsd ) [static]

Turns the SDMMC output signals off.

Parameters:

hsd	Pointer to SD handle

Return values:

None

Definition at line 3657 of file stm32l4xx_hal_sd.c.

References __SD_HandleTypeDef::Instance.

Referenced by HAL_SD_DeInit().

static uint32_t SD_PowerON ( SD_HandleTypeDef * hsd ) [static]

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

Parameters:

hsd	Pointer to SD handle

Return values:

error state

Definition at line 3488 of file stm32l4xx_hal_sd.c.

References CARD_SDHC_SDXC, CARD_SDSC, CARD_V1_X, CARD_V2_X, HAL_SD_CardInfoTypeDef::CardType, HAL_SD_CardInfoTypeDef::CardVersion, HAL_GetTick(), HAL_SD_ERROR_INVALID_VOLTRANGE, HAL_SD_ERROR_NONE, HAL_SD_ERROR_TIMEOUT, HAL_SD_ERROR_UNSUPPORTED_FEATURE, __SD_HandleTypeDef::Init, __SD_HandleTypeDef::Instance, and __SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_InitCard().

static void SD_Read_IT ( SD_HandleTypeDef * hsd ) [static]

Wrap up reading in non-blocking mode.

Parameters:

hsd	pointer to a SD_HandleTypeDef structure that contains the configuration information.

Return values:

None

Definition at line 4018 of file stm32l4xx_hal_sd.c.

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

Referenced by HAL_SD_IRQHandler().

static uint32_t SD_SendSDStatus	(	SD_HandleTypeDef *	hsd,
		uint32_t *	pSDstatus
	)		`[static]`

Send Status info command.

Parameters:

hsd	pointer to SD handle
pSDstatus	Pointer to the buffer that will contain the SD card status SD Status register)

Return values:

error state

Definition at line 3670 of file stm32l4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __HAL_SD_GET_FLAG, __SD_HandleTypeDef::ErrorCode, HAL_GetTick(), HAL_SD_ERROR_DATA_CRC_FAIL, HAL_SD_ERROR_DATA_TIMEOUT, HAL_SD_ERROR_LOCK_UNLOCK_FAILED, HAL_SD_ERROR_NONE, HAL_SD_ERROR_RX_OVERRUN, HAL_SD_ERROR_TIMEOUT, __SD_HandleTypeDef::Instance, HAL_SD_CardInfoTypeDef::RelCardAdd, and __SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_GetCardStatus().

static uint32_t SD_SendStatus	(	SD_HandleTypeDef *	hsd,
		uint32_t *	pCardStatus
	)		`[static]`

Returns the current card's status.

Parameters:

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

Return values:

error state

Definition at line 3784 of file stm32l4xx_hal_sd.c.

References HAL_SD_ERROR_NONE, HAL_SD_ERROR_PARAM, __SD_HandleTypeDef::Instance, HAL_SD_CardInfoTypeDef::RelCardAdd, and __SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_GetCardState().

static uint32_t SD_WideBus_Disable ( SD_HandleTypeDef * hsd ) [static]

Disables the SDMMC wide bus mode.

Parameters:

hsd	Pointer to SD handle

Return values:

error state

Definition at line 3858 of file stm32l4xx_hal_sd.c.

References HAL_SD_ERROR_LOCK_UNLOCK_FAILED, HAL_SD_ERROR_NONE, HAL_SD_ERROR_REQUEST_NOT_APPLICABLE, __SD_HandleTypeDef::Instance, HAL_SD_CardInfoTypeDef::RelCardAdd, SD_FindSCR(), and __SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_ConfigWideBusOperation().

static uint32_t SD_WideBus_Enable ( SD_HandleTypeDef * hsd ) [static]

Enables the SDMMC wide bus mode.

Parameters:

hsd	pointer to SD handle

Return values:

error state

Definition at line 3811 of file stm32l4xx_hal_sd.c.

References HAL_SD_ERROR_LOCK_UNLOCK_FAILED, HAL_SD_ERROR_NONE, HAL_SD_ERROR_REQUEST_NOT_APPLICABLE, __SD_HandleTypeDef::Instance, HAL_SD_CardInfoTypeDef::RelCardAdd, SD_FindSCR(), and __SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_ConfigWideBusOperation().

static void SD_Write_IT ( SD_HandleTypeDef * hsd ) [static]

Wrap up writing in non-blocking mode.

Parameters:

hsd	pointer to a SD_HandleTypeDef structure that contains the configuration information.

Return values:

None

Definition at line 4057 of file stm32l4xx_hal_sd.c.

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

Referenced by HAL_SD_IRQHandler().

Functions

Function Documentation