STM32F4xx HAL Documentation: SD Private Functions

STM32F4xx HAL Documentation

Hardware Abstraction Layer for STM32F4 familiy

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Collaboration diagram for SD Private Functions:

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 SDIO wide bus mode.

static uint32_t	SD_WideBus_Disable (SD_HandleTypeDef *hsd)
	Disables the SDIO 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 SDIO 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.

Detailed Description

Function Documentation

◆ SD_InitCard()

static uint32_t SD_InitCard ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

Initializes the sd card.

Parameters

hsd	Pointer to SD handle

Return values

SD	Card error state

Definition at line 2678 of file stm32f4xx_hal_sd.c.

References CARD_SECURED, HAL_SD_CardInfoTypeDef::CardType, SD_HandleTypeDef::CID, HAL_SD_CardInfoTypeDef::Class, SD_HandleTypeDef::CSD, HAL_OK, 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().

◆ SD_PowerON()

static uint32_t SD_PowerON ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

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 2770 of file stm32f4xx_hal_sd.c.

References CARD_SDHC_SDXC, CARD_SDSC, CARD_V1_X, CARD_V2_X, HAL_SD_CardInfoTypeDef::CardType, HAL_SD_CardInfoTypeDef::CardVersion, HAL_SD_ERROR_INVALID_VOLTRANGE, HAL_SD_ERROR_NONE, HAL_SD_ERROR_UNSUPPORTED_FEATURE, SD_HandleTypeDef::Instance, and SD_HandleTypeDef::SdCard.

Referenced by HAL_SD_InitCard().

◆ SD_SendSDStatus()

static uint32_t SD_SendSDStatus	(	SD_HandleTypeDef *	hsd,
		uint32_t *	pSDstatus )

static

#include <stm32f4xx_hal_sd.c>

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 2873 of file stm32f4xx_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().

◆ SD_SendStatus()

static uint32_t SD_SendStatus	(	SD_HandleTypeDef *	hsd,
		uint32_t *	pCardStatus )

static

#include <stm32f4xx_hal_sd.c>

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 2983 of file stm32f4xx_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().

◆ SD_WideBus_Enable()

static uint32_t SD_WideBus_Enable ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

Enables the SDIO wide bus mode.

Parameters

hsd	pointer to SD handle

Return values

error state

Definition at line 3010 of file stm32f4xx_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().

◆ SD_WideBus_Disable()

static uint32_t SD_WideBus_Disable ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

Disables the SDIO wide bus mode.

Parameters

hsd	Pointer to SD handle

Return values

error state

Definition at line 3057 of file stm32f4xx_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().

◆ SD_FindSCR()

static uint32_t SD_FindSCR	(	SD_HandleTypeDef *	hsd,
		uint32_t *	pSCR )

static

#include <stm32f4xx_hal_sd.c>

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 3106 of file stm32f4xx_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().

◆ SD_PowerOFF()

static void SD_PowerOFF ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

Turns the SDIO output signals off.

Parameters

hsd	Pointer to SD handle

Return values

None

Definition at line 2860 of file stm32f4xx_hal_sd.c.

References SD_HandleTypeDef::Instance.

Referenced by HAL_SD_DeInit().

◆ SD_Write_IT()

static void SD_Write_IT ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

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 3246 of file stm32f4xx_hal_sd.c.

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

Referenced by HAL_SD_IRQHandler().

◆ SD_Read_IT()

static void SD_Read_IT ( SD_HandleTypeDef * hsd )

static

#include <stm32f4xx_hal_sd.c>

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 3207 of file stm32f4xx_hal_sd.c.

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

Referenced by HAL_SD_IRQHandler().

◆ SD_DMATransmitCplt()

static void SD_DMATransmitCplt ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_sd.c>

DMA SD transmit process complete callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2501 of file stm32f4xx_hal_sd.c.

References __HAL_SD_ENABLE_IT, and __DMA_HandleTypeDef::Parent.

Referenced by HAL_SD_WriteBlocks_DMA().

◆ SD_DMAReceiveCplt()

static void SD_DMAReceiveCplt ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_sd.c>

DMA SD receive process complete callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2514 of file stm32f4xx_hal_sd.c.

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

Referenced by HAL_SD_ReadBlocks_DMA().

◆ SD_DMAError()

static void SD_DMAError ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_sd.c>

DMA SD communication error callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2556 of file stm32f4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, __HAL_SD_DISABLE_IT, SD_HandleTypeDef::Context, __DMA_HandleTypeDef::ErrorCode, SD_HandleTypeDef::ErrorCode, HAL_DMA_ERROR_FE, HAL_DMA_ERROR_TE, HAL_DMA_GetError(), 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().

◆ SD_DMATxAbort()

static void SD_DMATxAbort ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_sd.c>

DMA SD Tx Abort callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2600 of file stm32f4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, SD_HandleTypeDef::Context, 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().

◆ SD_DMARxAbort()

static void SD_DMARxAbort ( DMA_HandleTypeDef * hdma )

static

#include <stm32f4xx_hal_sd.c>

DMA SD Rx Abort callback.

Parameters

hdma	DMA handle

Return values

None

Definition at line 2639 of file stm32f4xx_hal_sd.c.

References __HAL_SD_CLEAR_FLAG, SD_HandleTypeDef::Context, 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().

Generated on Wed Feb 26 2025 for STM32F4xx HAL Documentation by 1.12.0