Header file of SDMMC HAL module. More...

Data Structures
struct	SDIO_CmdInitTypeDef
	SDMMC Command Control structure. More...

struct	SDIO_DataInitTypeDef
	SDMMC Data Control structure. More...

Functions
HAL_StatusTypeDef	SDIO_Init (SDIO_TypeDef *SDIOx, SDIO_InitTypeDef Init)
	Initializes the SDMMC according to the specified parameters in the SDMMC_InitTypeDef and create the associated handle. More...

uint32_t	SDIO_ReadFIFO (SDIO_TypeDef *SDIOx)
	Read data (word) from Rx FIFO in blocking mode (polling) More...

HAL_StatusTypeDef	SDIO_WriteFIFO (SDIO_TypeDef SDIOx, uint32_t pWriteData)
	Write data (word) to Tx FIFO in blocking mode (polling) More...

HAL_StatusTypeDef	SDIO_PowerState_ON (SDIO_TypeDef *SDIOx)
	Set SDMMC Power state to ON. More...

HAL_StatusTypeDef	SDIO_PowerState_OFF (SDIO_TypeDef *SDIOx)
	Set SDMMC Power state to OFF. More...

uint32_t	SDIO_GetPowerState (SDIO_TypeDef *SDIOx)
	Get SDMMC Power state. More...

HAL_StatusTypeDef	SDIO_SendCommand (SDIO_TypeDef SDIOx, SDIO_CmdInitTypeDef Command)
	Configure the SDMMC command path according to the specified parameters in SDIO_CmdInitTypeDef structure and send the command. More...

uint8_t	SDIO_GetCommandResponse (SDIO_TypeDef *SDIOx)
	Return the command index of last command for which response received. More...

uint32_t	SDIO_GetResponse (SDIO_TypeDef *SDIOx, uint32_t Response)
	Return the response received from the card for the last command. More...

HAL_StatusTypeDef	SDIO_ConfigData (SDIO_TypeDef SDIOx, SDIO_DataInitTypeDef Data)
	Configure the SDMMC data path according to the specified parameters in the SDIO_DataInitTypeDef. More...

uint32_t	SDIO_GetDataCounter (SDIO_TypeDef *SDIOx)
	Returns number of remaining data bytes to be transferred. More...

uint32_t	SDIO_GetFIFOCount (SDIO_TypeDef *SDIOx)
	Get the FIFO data. More...

HAL_StatusTypeDef	SDIO_SetSDMMCReadWaitMode (SDIO_TypeDef *SDIOx, uint32_t SDIO_ReadWaitMode)
	Sets one of the two options of inserting read wait interval. More...

uint32_t	SDMMC_CmdBlockLength (SDIO_TypeDef *SDIOx, uint32_t BlockSize)
	Send the Data Block Length command and check the response. More...

uint32_t	SDMMC_CmdReadSingleBlock (SDIO_TypeDef *SDIOx, uint32_t ReadAdd)
	Send the Read Single Block command and check the response. More...

uint32_t	SDMMC_CmdReadMultiBlock (SDIO_TypeDef *SDIOx, uint32_t ReadAdd)
	Send the Read Multi Block command and check the response. More...

uint32_t	SDMMC_CmdWriteSingleBlock (SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
	Send the Write Single Block command and check the response. More...

uint32_t	SDMMC_CmdWriteMultiBlock (SDIO_TypeDef *SDIOx, uint32_t WriteAdd)
	Send the Write Multi Block command and check the response. More...

uint32_t	SDMMC_CmdEraseStartAdd (SDIO_TypeDef *SDIOx, uint32_t StartAdd)
	Send the Start Address Erase command and check the response. More...

uint32_t	SDMMC_CmdSDEraseStartAdd (SDIO_TypeDef *SDIOx, uint32_t StartAdd)
	Send the Start Address Erase command for SD and check the response. More...

uint32_t	SDMMC_CmdEraseEndAdd (SDIO_TypeDef *SDIOx, uint32_t EndAdd)
	Send the End Address Erase command and check the response. More...

uint32_t	SDMMC_CmdSDEraseEndAdd (SDIO_TypeDef *SDIOx, uint32_t EndAdd)
	Send the End Address Erase command for SD and check the response. More...

uint32_t	SDMMC_CmdErase (SDIO_TypeDef *SDIOx)
	Send the Erase command and check the response. More...

uint32_t	SDMMC_CmdStopTransfer (SDIO_TypeDef *SDIOx)
	Send the Stop Transfer command and check the response. More...

uint32_t	SDMMC_CmdSelDesel (SDIO_TypeDef *SDIOx, uint64_t Addr)
	Send the Select Deselect command and check the response. More...

uint32_t	SDMMC_CmdGoIdleState (SDIO_TypeDef *SDIOx)
	Send the Go Idle State command and check the response. More...

uint32_t	SDMMC_CmdOperCond (SDIO_TypeDef *SDIOx)
	Send the Operating Condition command and check the response. More...

uint32_t	SDMMC_CmdAppCommand (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Send the Application command to verify that that the next command is an application specific com-mand rather than a standard command and check the response. More...

uint32_t	SDMMC_CmdAppOperCommand (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Send the command asking the accessed card to send its operating condition register (OCR) More...

uint32_t	SDMMC_CmdBusWidth (SDIO_TypeDef *SDIOx, uint32_t BusWidth)
	Send the Bus Width command and check the response. More...

uint32_t	SDMMC_CmdSendSCR (SDIO_TypeDef *SDIOx)
	Send the Send SCR command and check the response. More...

uint32_t	SDMMC_CmdSendCID (SDIO_TypeDef *SDIOx)
	Send the Send CID command and check the response. More...

uint32_t	SDMMC_CmdSendCSD (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Send the Send CSD command and check the response. More...

uint32_t	SDMMC_CmdSetRelAdd (SDIO_TypeDef SDIOx, uint16_t pRCA)
	Send the Send CSD command and check the response. More...

uint32_t	SDMMC_CmdSetRelAddMmc (SDIO_TypeDef *SDIOx, uint16_t RCA)
	Send the Set Relative Address command to MMC card (not SD card). More...

uint32_t	SDMMC_CmdSendStatus (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Send the Status command and check the response. More...

uint32_t	SDMMC_CmdStatusRegister (SDIO_TypeDef *SDIOx)
	Send the Status register command and check the response. More...

uint32_t	SDMMC_CmdOpCondition (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Sends host capacity support information and activates the card's initialization process. Send SDMMC_CMD_SEND_OP_COND command. More...

uint32_t	SDMMC_CmdSwitch (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Checks switchable function and switch card function. SDMMC_CMD_HS_SWITCH command. More...

uint32_t	SDMMC_CmdSendEXTCSD (SDIO_TypeDef *SDIOx, uint32_t Argument)
	Send the Send EXT_CSD command and check the response. More...

uint32_t	SDMMC_GetCmdResp1 (SDIO_TypeDef *SDIOx, uint8_t SD_CMD, uint32_t Timeout)
	Checks for error conditions for R1 response. More...

uint32_t	SDMMC_GetCmdResp2 (SDIO_TypeDef *SDIOx)
	Checks for error conditions for R2 (CID or CSD) response. More...

uint32_t	SDMMC_GetCmdResp3 (SDIO_TypeDef *SDIOx)
	Checks for error conditions for R3 (OCR) response. More...

uint32_t	SDMMC_GetCmdResp6 (SDIO_TypeDef SDIOx, uint8_t SD_CMD, uint16_t pRCA)
	Checks for error conditions for R6 (RCA) response. More...

uint32_t	SDMMC_GetCmdResp7 (SDIO_TypeDef *SDIOx)
	Checks for error conditions for R7 response. More...

Variables
	C

Detailed Description

Header file of SDMMC HAL module.

Author: MCD Application Team

Attention

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file stm32f4xx_ll_sdmmc.h.

Data Structure Documentation

◆ SDIO_CmdInitTypeDef

struct SDIO_CmdInitTypeDef

SDMMC Command Control structure.

Definition at line 76 of file stm32f4xx_ll_sdmmc.h.

Data Fields
uint32_t	Argument	Specifies the SDMMC command argument which is sent to a card as part of a command message. If a command contains an argument, it must be loaded into this register before writing the command to the command register.
uint32_t	CmdIndex	Specifies the SDMMC command index. It must be Min_Data = 0 and Max_Data = 64
uint32_t	CPSM	Specifies whether SDMMC Command path state machine (CPSM) is enabled or disabled. This parameter can be a value of SDMMC_LL_CPSM_State
uint32_t	Response	Specifies the SDMMC response type. This parameter can be a value of SDMMC_LL_Response_Type
uint32_t	WaitForInterrupt	Specifies whether SDMMC wait for interrupt request is enabled or disabled. This parameter can be a value of SDMMC_LL_Wait_Interrupt_State

◆ SDIO_DataInitTypeDef

struct SDIO_DataInitTypeDef

SDMMC Data Control structure.

Definition at line 102 of file stm32f4xx_ll_sdmmc.h.

Data Fields
uint32_t	DataBlockSize	Specifies the data block size for block transfer. This parameter can be a value of SDMMC_LL_Data_Block_Size
uint32_t	DataLength	Specifies the number of data bytes to be transferred.
uint32_t	DataTimeOut	Specifies the data timeout period in card bus clock periods.
uint32_t	DPSM	Specifies whether SDMMC Data path state machine (DPSM) is enabled or disabled. This parameter can be a value of SDMMC_LL_DPSM_State
uint32_t	TransferDir	Specifies the data transfer direction, whether the transfer is a read or write. This parameter can be a value of SDMMC_LL_Transfer_Direction
uint32_t	TransferMode	Specifies whether data transfer is in stream or block mode. This parameter can be a value of SDMMC_LL_Transfer_Type

Data Structures

Functions

Variables

Detailed Description

Data Structure Documentation

◆ SDIO_CmdInitTypeDef

◆ SDIO_DataInitTypeDef