management functions More...

Functions
HAL_StatusTypeDef	SDMMC_PowerState_ON (SDMMC_TypeDef *SDMMCx)
	Set SDMMC Power state to ON. More...

HAL_StatusTypeDef	SDMMC_PowerState_Cycle (SDMMC_TypeDef *SDMMCx)
	Set SDMMC Power state to Power-Cycle. More...

HAL_StatusTypeDef	SDMMC_PowerState_OFF (SDMMC_TypeDef *SDMMCx)
	Set SDMMC Power state to OFF. More...

uint32_t	SDMMC_GetPowerState (SDMMC_TypeDef *SDMMCx)
	Get SDMMC Power state. More...

HAL_StatusTypeDef	SDMMC_SendCommand (SDMMC_TypeDef SDMMCx, SDMMC_CmdInitTypeDef Command)
	Configure the SDMMC command path according to the specified parameters in SDMMC_CmdInitTypeDef structure and send the command. More...

uint8_t	SDMMC_GetCommandResponse (SDMMC_TypeDef *SDMMCx)
	Return the command index of last command for which response received. More...

uint32_t	SDMMC_GetResponse (SDMMC_TypeDef *SDMMCx, uint32_t Response)
	Return the response received from the card for the last command. More...

HAL_StatusTypeDef	SDMMC_ConfigData (SDMMC_TypeDef SDMMCx, SDMMC_DataInitTypeDef Data)
	Configure the SDMMC data path according to the specified parameters in the SDMMC_DataInitTypeDef. More...

uint32_t	SDMMC_GetDataCounter (SDMMC_TypeDef *SDMMCx)
	Returns number of remaining data bytes to be transferred. More...

uint32_t	SDMMC_GetFIFOCount (SDMMC_TypeDef *SDMMCx)
	Get the FIFO data. More...

HAL_StatusTypeDef	SDMMC_SetSDMMCReadWaitMode (SDMMC_TypeDef *SDMMCx, uint32_t SDMMC_ReadWaitMode)
	Sets one of the two options of inserting read wait interval. More...

uint32_t	SDMMC_CmdBlockLength (SDMMC_TypeDef *SDMMCx, uint32_t BlockSize)
	Send the Data Block Lenght command and check the response. More...

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

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

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

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

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

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

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

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

uint32_t	SDMMC_CmdErase (SDMMC_TypeDef *SDMMCx)
	Send the Erase command and check the response. More...

uint32_t	SDMMC_CmdStopTransfer (SDMMC_TypeDef *SDMMCx)
	Send the Stop Transfer command and check the response. More...

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

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

uint32_t	SDMMC_CmdOperCond (SDMMC_TypeDef *SDMMCx)
	Send the Operating Condition command and check the response. More...

uint32_t	SDMMC_CmdAppCommand (SDMMC_TypeDef *SDMMCx, 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 (SDMMC_TypeDef *SDMMCx, uint32_t Argument)
	Send the command asking the accessed card to send its operating condition register (OCR) More...

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

uint32_t	SDMMC_CmdSendSCR (SDMMC_TypeDef *SDMMCx)
	Send the Send SCR command and check the response. More...

uint32_t	SDMMC_CmdSendCID (SDMMC_TypeDef *SDMMCx)
	Send the Send CID command and check the response. More...

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

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

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

uint32_t	SDMMC_CmdStatusRegister (SDMMC_TypeDef *SDMMCx)
	Send the Status register command and check the response. More...

uint32_t	SDMMC_CmdVoltageSwitch (SDMMC_TypeDef *SDMMCx)
	Send the command asking the accessed card to send its operating condition register (OCR) More...

uint32_t	SDMMC_CmdOpCondition (SDMMC_TypeDef *SDMMCx, 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 (SDMMC_TypeDef *SDMMCx, uint32_t Argument)
	Checks switchable function and switch card function. SDMMC_CMD_HS_SWITCH comand. More...

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

Detailed Description

management functions

 ===============================================================================
                      ##### Peripheral Control functions #####
 ===============================================================================
    [..]
    This subsection provides a set of functions allowing to control the SDMMC data
    transfers.

Function Documentation

◆ SDMMC_CmdAppCommand()

uint32_t SDMMC_CmdAppCommand	(	SDMMC_TypeDef *	SDMMCx,
		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.

Parameters

SDMMCx	Pointer to SDMMC register base
Argument	Command Argument

Return values

HAL status

Definition at line 906 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = (uint32_t)Argument;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_APP_CMD;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   /* If there is a HAL_ERROR, it is a MMC card, else
   it is a SD card: SD card 2.0 (voltage range mismatch)
      or SD card 1.x */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_APP_CMD, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdAppOperCommand()

uint32_t SDMMC_CmdAppOperCommand	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Argument
	)

Send the command asking the accessed card to send its operating condition register (OCR)

Parameters

SDMMCx	Pointer to SDMMC register base
Argument	Command Argument

Return values

HAL status

Definition at line 934 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
 #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
   sdmmc_cmdinit.Argument         = Argument;
 #else
   sdmmc_cmdinit.Argument         = SDMMC_VOLTAGE_WINDOW_SD | Argument;
 #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SD_APP_OP_COND;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp3(SDMMCx);
 
   return errorstate;
 }

◆ SDMMC_CmdBlockLength()

uint32_t SDMMC_CmdBlockLength	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	BlockSize
	)

Send the Data Block Lenght command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 553 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)BlockSize;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_BLOCKLEN;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SET_BLOCKLEN, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdBusWidth()

uint32_t SDMMC_CmdBusWidth	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	BusWidth
	)

Send the Bus Width command and check the response.

Parameters

SDMMCx	Pointer to SDMMC register base
BusWidth	BusWidth

Return values

HAL status

Definition at line 962 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = (uint32_t)BusWidth;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_APP_SD_SET_BUSWIDTH;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_APP_SD_SET_BUSWIDTH, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdErase()

uint32_t SDMMC_CmdErase ( SDMMC_TypeDef * SDMMCx )

Send the Erase command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 769 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_ERASE;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_ERASE, SDMMC_MAXERASETIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdEraseEndAdd()

uint32_t SDMMC_CmdEraseEndAdd	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	EndAdd
	)

Send the End Address Erase command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 745 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)EndAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_ERASE_GRP_END;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_ERASE_GRP_END, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdEraseStartAdd()

uint32_t SDMMC_CmdEraseStartAdd	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	StartAdd
	)

Send the Start Address Erase command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 721 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)StartAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_ERASE_GRP_START;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_ERASE_GRP_START, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdGoIdleState()

uint32_t SDMMC_CmdGoIdleState ( SDMMC_TypeDef * SDMMCx )

Send the Go Idle State command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 852 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_GO_IDLE_STATE;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_NO;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdError(SDMMCx);
 
   return errorstate;
 }

◆ SDMMC_CmdOpCondition()

uint32_t SDMMC_CmdOpCondition	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Argument
	)

Sends host capacity support information and activates the card's initialization process. Send SDMMC_CMD_SEND_OP_COND command.

Parameters

SDMMCx Pointer to SDMMC register base Argument: Argument used for the command

Return values

HAL status

Definition at line 1132 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = Argument;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SEND_OP_COND;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp3(SDMMCx);
 
   return errorstate;
 }

◆ SDMMC_CmdOperCond()

uint32_t SDMMC_CmdOperCond ( SDMMC_TypeDef * SDMMCx )

Send the Operating Condition command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 875 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD8 to verify SD card interface operating condition */
   /* Argument: - [31:12]: Reserved (shall be set to '0')
   - [11:8]: Supply Voltage (VHS) 0x1 (Range: 2.7-3.6 V)
   - [7:0]: Check Pattern (recommended 0xAA) */
   /* CMD Response: R7 */
   sdmmc_cmdinit.Argument         = SDMMC_CHECK_PATTERN;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_HS_SEND_EXT_CSD;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp7(SDMMCx);
 
   return errorstate;
 }

◆ SDMMC_CmdReadMultiBlock()

uint32_t SDMMC_CmdReadMultiBlock	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	ReadAdd
	)

Send the Read Multi Block command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 601 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)ReadAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_READ_MULT_BLOCK;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_READ_MULT_BLOCK, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdReadSingleBlock()

uint32_t SDMMC_CmdReadSingleBlock	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	ReadAdd
	)

Send the Read Single Block command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 577 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)ReadAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_READ_SINGLE_BLOCK;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_READ_SINGLE_BLOCK, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSDEraseEndAdd()

uint32_t SDMMC_CmdSDEraseEndAdd	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	EndAdd
	)

Send the End Address Erase command for SD and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 697 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)EndAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SD_ERASE_GRP_END;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SD_ERASE_GRP_END, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSDEraseStartAdd()

uint32_t SDMMC_CmdSDEraseStartAdd	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	StartAdd
	)

Send the Start Address Erase command for SD and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 673 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)StartAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SD_ERASE_GRP_START;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SD_ERASE_GRP_START, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSelDesel()

uint32_t SDMMC_CmdSelDesel	(	SDMMC_TypeDef *	SDMMCx,
		uint64_t	Addr
	)

Send the Select Deselect command and check the response.

Parameters

SDMMCx	Pointer to SDMMC register base
addr	Address of the card to be selected

Return values

HAL status

Definition at line 828 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD7 SDMMC_SEL_DESEL_CARD */
   sdmmc_cmdinit.Argument         = (uint32_t)Addr;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SEL_DESEL_CARD;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SEL_DESEL_CARD, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSendCID()

uint32_t SDMMC_CmdSendCID ( SDMMC_TypeDef * SDMMCx )

Send the Send CID command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 1009 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD2 ALL_SEND_CID */
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_ALL_SEND_CID;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_LONG;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp2(SDMMCx);
 
   return errorstate;
 }

◆ SDMMC_CmdSendCSD()

uint32_t SDMMC_CmdSendCSD	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Argument
	)

Send the Send CSD command and check the response.

Parameters

SDMMCx	Pointer to SDMMC register base
Argument	Command Argument

Return values

HAL status

Definition at line 1034 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD9 SEND_CSD */
   sdmmc_cmdinit.Argument         = Argument;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SEND_CSD;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_LONG;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp2(SDMMCx);
 
   return errorstate;
 }

◆ SDMMC_CmdSendEXTCSD()

uint32_t SDMMC_CmdSendEXTCSD	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Argument
	)

Send the Send EXT_CSD command and check the response.

Parameters

SDMMCx	Pointer to SDMMC register base
Argument	Command Argument

Return values

HAL status

Definition at line 1207 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD9 SEND_CSD */
   sdmmc_cmdinit.Argument         = Argument;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_HS_SEND_EXT_CSD;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_HS_SEND_EXT_CSD,SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSendSCR()

uint32_t SDMMC_CmdSendSCR ( SDMMC_TypeDef * SDMMCx )

Send the Send SCR command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 985 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD51 SD_APP_SEND_SCR */
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SD_APP_SEND_SCR;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SD_APP_SEND_SCR, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSendStatus()

uint32_t SDMMC_CmdSendStatus	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Argument
	)

Send the Status command and check the response.

Parameters

SDMMCx	Pointer to SDMMC register base
Argument	Command Argument

Return values

HAL status

Definition at line 1084 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = Argument;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SEND_STATUS;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SEND_STATUS, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdSetRelAdd()

uint32_t SDMMC_CmdSetRelAdd	(	SDMMC_TypeDef *	SDMMCx,
		uint16_t *	pRCA
	)

Send the Send CSD command and check the response.

Parameters

SDMMCx	Pointer to SDMMC register base
pRCA	Card RCA

Return values

HAL status

Definition at line 1059 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD3 SD_CMD_SET_REL_ADDR */
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SET_REL_ADDR;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp6(SDMMCx, SDMMC_CMD_SET_REL_ADDR, pRCA);
 
   return errorstate;
 }

◆ SDMMC_CmdStatusRegister()

uint32_t SDMMC_CmdStatusRegister ( SDMMC_TypeDef * SDMMCx )

Send the Status register command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 1107 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_SD_APP_STATUS;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_SD_APP_STATUS, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdStopTransfer()

uint32_t SDMMC_CmdStopTransfer ( SDMMC_TypeDef * SDMMCx )

Send the Stop Transfer command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 793 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD12 STOP_TRANSMISSION  */
   sdmmc_cmdinit.Argument         = 0U;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_STOP_TRANSMISSION;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
 
 #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
   __SDMMC_CMDSTOP_ENABLE(SDMMCx);
   __SDMMC_CMDTRANS_DISABLE(SDMMCx);
 #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
 
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_STOP_TRANSMISSION, SDMMC_STOPTRANSFERTIMEOUT);
 
 #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
   __SDMMC_CMDSTOP_DISABLE(SDMMCx);
 #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
 
   return errorstate;
 }

◆ SDMMC_CmdSwitch()

uint32_t SDMMC_CmdSwitch	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Argument
	)

Checks switchable function and switch card function. SDMMC_CMD_HS_SWITCH comand.

Parameters

SDMMCx Pointer to SDMMC register base Argument: Argument used for the command

Return values

HAL status

Definition at line 1156 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Send CMD6 to activate SDR50 Mode and Power Limit 1.44W */
   /* CMD Response: R1 */
   sdmmc_cmdinit.Argument         = Argument; /* SDMMC_SDR25_SWITCH_PATTERN;*/
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_HS_SWITCH;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_HS_SWITCH, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdVoltageSwitch()

uint32_t SDMMC_CmdVoltageSwitch ( SDMMC_TypeDef * SDMMCx )

Send the command asking the accessed card to send its operating condition register (OCR)

Parameters

None

Return values

HAL status

Definition at line 1183 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   sdmmc_cmdinit.Argument         = 0x00000000;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_VOLTAGE_SWITCH;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_VOLTAGE_SWITCH, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdWriteMultiBlock()

uint32_t SDMMC_CmdWriteMultiBlock	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	WriteAdd
	)

Send the Write Multi Block command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 649 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)WriteAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_WRITE_MULT_BLOCK;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_WRITE_MULT_BLOCK, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_CmdWriteSingleBlock()

uint32_t SDMMC_CmdWriteSingleBlock	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	WriteAdd
	)

Send the Write Single Block command and check the response.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 625 of file stm32l4xx_ll_sdmmc.c.

 {
   SDMMC_CmdInitTypeDef  sdmmc_cmdinit;
   uint32_t errorstate;
 
   /* Set Block Size for Card */
   sdmmc_cmdinit.Argument         = (uint32_t)WriteAdd;
   sdmmc_cmdinit.CmdIndex         = SDMMC_CMD_WRITE_SINGLE_BLOCK;
   sdmmc_cmdinit.Response         = SDMMC_RESPONSE_SHORT;
   sdmmc_cmdinit.WaitForInterrupt = SDMMC_WAIT_NO;
   sdmmc_cmdinit.CPSM             = SDMMC_CPSM_ENABLE;
   (void)SDMMC_SendCommand(SDMMCx, &sdmmc_cmdinit);
 
   /* Check for error conditions */
   errorstate = SDMMC_GetCmdResp1(SDMMCx, SDMMC_CMD_WRITE_SINGLE_BLOCK, SDMMC_CMDTIMEOUT);
 
   return errorstate;
 }

◆ SDMMC_ConfigData()

HAL_StatusTypeDef SDMMC_ConfigData	(	SDMMC_TypeDef *	SDMMCx,
		SDMMC_DataInitTypeDef *	Data
	)

Configure the SDMMC data path according to the specified parameters in the SDMMC_DataInitTypeDef.

Parameters

SDMMCx	Pointer to SDMMC register base
Data	: pointer to a SDMMC_DataInitTypeDef structure that contains the configuration information for the SDMMC data.

Return values

HAL status

Definition at line 459 of file stm32l4xx_ll_sdmmc.c.

 {
   uint32_t tmpreg = 0;
 
   /* Check the parameters */
   assert_param(IS_SDMMC_DATA_LENGTH(Data->DataLength));
   assert_param(IS_SDMMC_BLOCK_SIZE(Data->DataBlockSize));
   assert_param(IS_SDMMC_TRANSFER_DIR(Data->TransferDir));
   assert_param(IS_SDMMC_TRANSFER_MODE(Data->TransferMode));
   assert_param(IS_SDMMC_DPSM(Data->DPSM));
 
   /* Set the SDMMC Data TimeOut value */
   SDMMCx->DTIMER = Data->DataTimeOut;
 
   /* Set the SDMMC DataLength value */
   SDMMCx->DLEN = Data->DataLength;
 
   /* Set the SDMMC data configuration parameters */
   tmpreg |= (uint32_t)(Data->DataBlockSize |\
                        Data->TransferDir   |\
                        Data->TransferMode  |\
                        Data->DPSM);
 
   /* Write to SDMMC DCTRL */
   MODIFY_REG(SDMMCx->DCTRL, DCTRL_CLEAR_MASK, tmpreg);
 
   return HAL_OK;
 
 }

◆ SDMMC_GetCommandResponse()

uint8_t SDMMC_GetCommandResponse ( SDMMC_TypeDef * SDMMCx )

Return the command index of last command for which response received.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

Command index of the last command response received

Definition at line 421 of file stm32l4xx_ll_sdmmc.c.

 {
   return (uint8_t)(SDMMCx->RESPCMD);
 }

◆ SDMMC_GetDataCounter()

uint32_t SDMMC_GetDataCounter ( SDMMC_TypeDef * SDMMCx )

Returns number of remaining data bytes to be transferred.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

Number of remaining data bytes to be transferred

Definition at line 494 of file stm32l4xx_ll_sdmmc.c.

 {
   return (SDMMCx->DCOUNT);
 }

◆ SDMMC_GetFIFOCount()

uint32_t SDMMC_GetFIFOCount ( SDMMC_TypeDef * SDMMCx )

Get the FIFO data.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

Data received

Definition at line 504 of file stm32l4xx_ll_sdmmc.c.

 {
   return (SDMMCx->FIFO);
 }

◆ SDMMC_GetPowerState()

uint32_t SDMMC_GetPowerState ( SDMMC_TypeDef * SDMMCx )

Get SDMMC Power state.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

Power

status of the controller. The returned value can be one of the following values:

0x00: Power OFF
0x02: Power UP
0x03: Power ON

Definition at line 378 of file stm32l4xx_ll_sdmmc.c.

 {
   return (SDMMCx->POWER & SDMMC_POWER_PWRCTRL);
 }

◆ SDMMC_GetResponse()

uint32_t SDMMC_GetResponse	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	Response
	)

Return the response received from the card for the last command.

Parameters

SDMMCx	Pointer to SDMMC register base
Response	Specifies the SDMMC response register. This parameter can be one of the following values: SDMMC_RESP1: Response Register 1 SDMMC_RESP2: Response Register 2 SDMMC_RESP3: Response Register 3 SDMMC_RESP4: Response Register 4

Return values

The	Corresponding response register value

Definition at line 438 of file stm32l4xx_ll_sdmmc.c.

 {
   uint32_t tmp;
 
   /* Check the parameters */
   assert_param(IS_SDMMC_RESP(Response));
 
   /* Get the response */
   tmp = (uint32_t)(&(SDMMCx->RESP1)) + Response;
 
   return (*(__IO uint32_t *) tmp);
 }

◆ SDMMC_PowerState_Cycle()

HAL_StatusTypeDef SDMMC_PowerState_Cycle ( SDMMC_TypeDef * SDMMCx )

Set SDMMC Power state to Power-Cycle.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 343 of file stm32l4xx_ll_sdmmc.c.

 {
   /* Set power state to Power Cycle*/
   SDMMCx->POWER |= SDMMC_POWER_PWRCTRL_1;
 
   return HAL_OK;
 }

◆ SDMMC_PowerState_OFF()

HAL_StatusTypeDef SDMMC_PowerState_OFF ( SDMMC_TypeDef * SDMMCx )

Set SDMMC Power state to OFF.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 357 of file stm32l4xx_ll_sdmmc.c.

 {
   /* Set power state to OFF */
 #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
   SDMMCx->POWER &= ~(SDMMC_POWER_PWRCTRL);
 #else
   SDMMCx->POWER = (uint32_t)0x00000000;
 #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
 
   return HAL_OK;
 }

◆ SDMMC_PowerState_ON()

HAL_StatusTypeDef SDMMC_PowerState_ON ( SDMMC_TypeDef * SDMMCx )

Set SDMMC Power state to ON.

Parameters

SDMMCx Pointer to SDMMC register base

Return values

HAL status

Definition at line 321 of file stm32l4xx_ll_sdmmc.c.

 {
   /* Set power state to ON */
 #if defined(STM32L4R5xx) || defined(STM32L4R7xx) || defined(STM32L4R9xx) || defined(STM32L4S5xx) || defined(STM32L4S7xx) || defined(STM32L4S9xx)
   SDMMCx->POWER |= SDMMC_POWER_PWRCTRL;
 #else
   SDMMCx->POWER = SDMMC_POWER_PWRCTRL;
 #endif /* STM32L4R5xx || STM32L4R7xx || STM32L4R9xx || STM32L4S5xx || STM32L4S7xx || STM32L4S9xx */
 
   /* 1ms: required power up waiting time before starting the SD initialization
   sequence */
   HAL_Delay(2);
 
   return HAL_OK;
 }

◆ SDMMC_SendCommand()

HAL_StatusTypeDef SDMMC_SendCommand	(	SDMMC_TypeDef *	SDMMCx,
		SDMMC_CmdInitTypeDef *	Command
	)

Configure the SDMMC command path according to the specified parameters in SDMMC_CmdInitTypeDef structure and send the command.

Parameters

SDMMCx	Pointer to SDMMC register base
Command	pointer to a SDMMC_CmdInitTypeDef structure that contains the configuration information for the SDMMC command

Return values

HAL status

Definition at line 391 of file stm32l4xx_ll_sdmmc.c.

 {
   uint32_t tmpreg = 0;
 
   /* Check the parameters */
   assert_param(IS_SDMMC_CMD_INDEX(Command->CmdIndex));
   assert_param(IS_SDMMC_RESPONSE(Command->Response));
   assert_param(IS_SDMMC_WAIT(Command->WaitForInterrupt));
   assert_param(IS_SDMMC_CPSM(Command->CPSM));
 
   /* Set the SDMMC Argument value */
   SDMMCx->ARG = Command->Argument;
 
   /* Set SDMMC command parameters */
   tmpreg |= (uint32_t)(Command->CmdIndex         |\
                        Command->Response         |\
                        Command->WaitForInterrupt |\
                        Command->CPSM);
 
   /* Write to SDMMC CMD register */
   MODIFY_REG(SDMMCx->CMD, CMD_CLEAR_MASK, tmpreg);
 
   return HAL_OK;
 }

◆ SDMMC_SetSDMMCReadWaitMode()

HAL_StatusTypeDef SDMMC_SetSDMMCReadWaitMode	(	SDMMC_TypeDef *	SDMMCx,
		uint32_t	SDMMC_ReadWaitMode
	)

Sets one of the two options of inserting read wait interval.

Parameters

SDMMCx	Pointer to SDMMC register base
SDMMC_ReadWaitMode	SDMMC Read Wait operation mode. This parameter can be: SDMMC_READ_WAIT_MODE_CLK: Read Wait control by stopping SDMMCCLK SDMMC_READ_WAIT_MODE_DATA2: Read Wait control using SDMMC_DATA2

Return values

None

Definition at line 518 of file stm32l4xx_ll_sdmmc.c.

 {
   /* Check the parameters */
   assert_param(IS_SDMMC_READWAIT_MODE(SDMMC_ReadWaitMode));
 
   /* Set SDMMC read wait mode */
   MODIFY_REG(SDMMCx->DCTRL, SDMMC_DCTRL_RWMOD, SDMMC_ReadWaitMode);
 
   return HAL_OK;
 }

Functions

Detailed Description

Function Documentation

◆ SDMMC_CmdAppCommand()

◆ SDMMC_CmdAppOperCommand()

◆ SDMMC_CmdBlockLength()

◆ SDMMC_CmdBusWidth()

◆ SDMMC_CmdErase()

◆ SDMMC_CmdEraseEndAdd()

◆ SDMMC_CmdEraseStartAdd()

◆ SDMMC_CmdGoIdleState()

◆ SDMMC_CmdOpCondition()

◆ SDMMC_CmdOperCond()

◆ SDMMC_CmdReadMultiBlock()

◆ SDMMC_CmdReadSingleBlock()

◆ SDMMC_CmdSDEraseEndAdd()

◆ SDMMC_CmdSDEraseStartAdd()

◆ SDMMC_CmdSelDesel()

◆ SDMMC_CmdSendCID()

◆ SDMMC_CmdSendCSD()

◆ SDMMC_CmdSendEXTCSD()

◆ SDMMC_CmdSendSCR()

◆ SDMMC_CmdSendStatus()

◆ SDMMC_CmdSetRelAdd()

◆ SDMMC_CmdStatusRegister()

◆ SDMMC_CmdStopTransfer()

◆ SDMMC_CmdSwitch()

◆ SDMMC_CmdVoltageSwitch()

◆ SDMMC_CmdWriteMultiBlock()

◆ SDMMC_CmdWriteSingleBlock()

◆ SDMMC_ConfigData()

◆ SDMMC_GetCommandResponse()

◆ SDMMC_GetDataCounter()

◆ SDMMC_GetFIFOCount()

◆ SDMMC_GetPowerState()

◆ SDMMC_GetResponse()

◆ SDMMC_PowerState_Cycle()

◆ SDMMC_PowerState_OFF()

◆ SDMMC_PowerState_ON()

◆ SDMMC_SendCommand()

◆ SDMMC_SetSDMMCReadWaitMode()