SDIO

SDIO driver modules. More...

Collaboration diagram for SDIO:

Modules
	SDIO_Exported_Constants
	SDIO_Private_Functions

Data Structures
struct	SDIO_InitTypeDef
struct	SDIO_CmdInitTypeDef
struct	SDIO_DataInitTypeDef

Macros
#define	SDIO_OFFSET   (SDIO_BASE - PERIPH_BASE)
#define	CLKCR_OFFSET   (SDIO_OFFSET + 0x04)
#define	CLKEN_BitNumber   0x08
#define	CLKCR_CLKEN_BB   (PERIPH_BB_BASE + (CLKCR_OFFSET * 32) + (CLKEN_BitNumber * 4))
#define	CMD_OFFSET   (SDIO_OFFSET + 0x0C)
#define	SDIOSUSPEND_BitNumber   0x0B
#define	CMD_SDIOSUSPEND_BB   (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (SDIOSUSPEND_BitNumber * 4))
#define	ENCMDCOMPL_BitNumber   0x0C
#define	CMD_ENCMDCOMPL_BB   (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ENCMDCOMPL_BitNumber * 4))
#define	NIEN_BitNumber   0x0D
#define	CMD_NIEN_BB   (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (NIEN_BitNumber * 4))
#define	ATACMD_BitNumber   0x0E
#define	CMD_ATACMD_BB   (PERIPH_BB_BASE + (CMD_OFFSET * 32) + (ATACMD_BitNumber * 4))
#define	DCTRL_OFFSET   (SDIO_OFFSET + 0x2C)
#define	DMAEN_BitNumber   0x03
#define	DCTRL_DMAEN_BB   (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (DMAEN_BitNumber * 4))
#define	RWSTART_BitNumber   0x08
#define	DCTRL_RWSTART_BB   (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTART_BitNumber * 4))
#define	RWSTOP_BitNumber   0x09
#define	DCTRL_RWSTOP_BB   (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWSTOP_BitNumber * 4))
#define	RWMOD_BitNumber   0x0A
#define	DCTRL_RWMOD_BB   (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (RWMOD_BitNumber * 4))
#define	SDIOEN_BitNumber   0x0B
#define	DCTRL_SDIOEN_BB   (PERIPH_BB_BASE + (DCTRL_OFFSET * 32) + (SDIOEN_BitNumber * 4))
#define	CLKCR_CLEAR_MASK   ((uint32_t)0xFFFF8100)
#define	PWR_PWRCTRL_MASK   ((uint32_t)0xFFFFFFFC)
#define	DCTRL_CLEAR_MASK   ((uint32_t)0xFFFFFF08)
#define	CMD_CLEAR_MASK   ((uint32_t)0xFFFFF800)
#define	SDIO_RESP_ADDR   ((uint32_t)(SDIO_BASE + 0x14))

Functions
void	SDIO_DeInit (void)
	Deinitializes the SDIO peripheral registers to their default reset values. More...
void	SDIO_Init (SDIO_InitTypeDef *SDIO_InitStruct)
	Initializes the SDIO peripheral according to the specified parameters in the SDIO_InitStruct. More...
void	SDIO_StructInit (SDIO_InitTypeDef *SDIO_InitStruct)
	Fills each SDIO_InitStruct member with its default value. More...
void	SDIO_ClockCmd (FunctionalState NewState)
	Enables or disables the SDIO Clock. More...
void	SDIO_SetPowerState (uint32_t SDIO_PowerState)
	Sets the power status of the controller. More...
uint32_t	SDIO_GetPowerState (void)
	Gets the power status of the controller. More...
void	SDIO_SendCommand (SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)
	Initializes the SDIO Command according to the specified parameters in the SDIO_CmdInitStruct and send the command. More...
void	SDIO_CmdStructInit (SDIO_CmdInitTypeDef *SDIO_CmdInitStruct)
	Fills each SDIO_CmdInitStruct member with its default value. More...
uint8_t	SDIO_GetCommandResponse (void)
	Returns command index of last command for which response received. More...
uint32_t	SDIO_GetResponse (uint32_t SDIO_RESP)
	Returns response received from the card for the last command. More...
void	SDIO_DataConfig (SDIO_DataInitTypeDef *SDIO_DataInitStruct)
	Initializes the SDIO data path according to the specified parameters in the SDIO_DataInitStruct. More...
void	SDIO_DataStructInit (SDIO_DataInitTypeDef *SDIO_DataInitStruct)
	Fills each SDIO_DataInitStruct member with its default value. More...
uint32_t	SDIO_GetDataCounter (void)
	Returns number of remaining data bytes to be transferred. More...
uint32_t	SDIO_ReadData (void)
	Read one data word from Rx FIFO. More...
void	SDIO_WriteData (uint32_t Data)
	Write one data word to Tx FIFO. More...
uint32_t	SDIO_GetFIFOCount (void)
	Returns the number of words left to be written to or read from FIFO. More...
void	SDIO_StartSDIOReadWait (FunctionalState NewState)
	Starts the SD I/O Read Wait operation. More...
void	SDIO_StopSDIOReadWait (FunctionalState NewState)
	Stops the SD I/O Read Wait operation. More...
void	SDIO_SetSDIOReadWaitMode (uint32_t SDIO_ReadWaitMode)
	Sets one of the two options of inserting read wait interval. More...
void	SDIO_SetSDIOOperation (FunctionalState NewState)
	Enables or disables the SD I/O Mode Operation. More...
void	SDIO_SendSDIOSuspendCmd (FunctionalState NewState)
	Enables or disables the SD I/O Mode suspend command sending. More...
void	SDIO_CommandCompletionCmd (FunctionalState NewState)
	Enables or disables the command completion signal. More...
void	SDIO_CEATAITCmd (FunctionalState NewState)
	Enables or disables the CE-ATA interrupt. More...
void	SDIO_SendCEATACmd (FunctionalState NewState)
	Sends CE-ATA command (CMD61). More...
void	SDIO_DMACmd (FunctionalState NewState)
	Enables or disables the SDIO DMA request. More...
void	SDIO_ITConfig (uint32_t SDIO_IT, FunctionalState NewState)
	Enables or disables the SDIO interrupts. More...
FlagStatus	SDIO_GetFlagStatus (uint32_t SDIO_FLAG)
	Checks whether the specified SDIO flag is set or not. More...
void	SDIO_ClearFlag (uint32_t SDIO_FLAG)
	Clears the SDIO's pending flags. More...
ITStatus	SDIO_GetITStatus (uint32_t SDIO_IT)
	Checks whether the specified SDIO interrupt has occurred or not. More...
void	SDIO_ClearITPendingBit (uint32_t SDIO_IT)
	Clears the SDIO's interrupt pending bits. More...

Detailed Description

SDIO driver modules.

Function Documentation

void SDIO_CEATAITCmd

(

FunctionalState

NewState

)

Enables or disables the CE-ATA interrupt.

Parameters

NewState

new state of CE-ATA interrupt. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 723 of file stm32f4xx_sdio.c.

void SDIO_ClearFlag

(

uint32_t

SDIO_FLAG

)

Clears the SDIO's pending flags.

Parameters

SDIO_FLAG

specifies the flag to clear. This parameter can be one or a combination of the following values: SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed) SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed) SDIO_FLAG_CTIMEOUT: Command response timeout SDIO_FLAG_DTIMEOUT: Data timeout SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error SDIO_FLAG_RXOVERR: Received FIFO overrun error SDIO_FLAG_CMDREND: Command response received (CRC check passed) SDIO_FLAG_CMDSENT: Command sent (no response required) SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero) SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide bus mode SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed) SDIO_FLAG_SDIOIT: SD I/O interrupt received SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61

Return values

None

Definition at line 912 of file stm32f4xx_sdio.c.

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void SDIO_ClearITPendingBit

(

uint32_t

SDIO_IT

)

Clears the SDIO's interrupt pending bits.

Parameters

SDIO_IT

specifies the interrupt pending bit to clear. This parameter can be one or a combination of the following values: SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDIO_IT_CTIMEOUT: Command response timeout interrupt SDIO_IT_DTIMEOUT: Data timeout interrupt SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDIO_IT_RXOVERR: Received FIFO overrun error interrupt SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt SDIO_IT_CMDSENT: Command sent (no response required) interrupt SDIO_IT_DATAEND: Data end (data counter, SDIO_DCOUNT, is zero) interrupt SDIO_IT_STBITERR: Start bit not detected on all data signals in wide bus mode interrupt SDIO_IT_SDIOIT: SD I/O interrupt received interrupt SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61

Return values

None

Definition at line 987 of file stm32f4xx_sdio.c.

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void SDIO_ClockCmd

(

FunctionalState

NewState

)

Enables or disables the SDIO Clock.

Parameters

NewState

new state of the SDIO Clock. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 334 of file stm32f4xx_sdio.c.

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void SDIO_CmdStructInit

(

SDIO_CmdInitTypeDef *

SDIO_CmdInitStruct

)

Fills each SDIO_CmdInitStruct member with its default value.

Parameters

SDIO_CmdInitStruct

pointer to an SDIO_CmdInitTypeDef structure which will be initialized.

Return values

None

Definition at line 435 of file stm32f4xx_sdio.c.

void SDIO_CommandCompletionCmd

(

FunctionalState

NewState

)

Enables or disables the command completion signal.

Parameters

NewState

new state of command completion signal. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 709 of file stm32f4xx_sdio.c.

void SDIO_DataConfig

(

SDIO_DataInitTypeDef *

SDIO_DataInitStruct

)

Initializes the SDIO data path according to the specified parameters in the SDIO_DataInitStruct.

Parameters

SDIO_DataInitStruct

: pointer to a SDIO_DataInitTypeDef structure that contains the configuration information for the SDIO command.

Return values

None

Definition at line 503 of file stm32f4xx_sdio.c.

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void SDIO_DataStructInit

(

SDIO_DataInitTypeDef *

SDIO_DataInitStruct

)

Fills each SDIO_DataInitStruct member with its default value.

Parameters

SDIO_DataInitStruct

pointer to an SDIO_DataInitTypeDef structure which will be initialized.

Return values

None

Definition at line 544 of file stm32f4xx_sdio.c.

void SDIO_DeInit

(

void

)

Deinitializes the SDIO peripheral registers to their default reset values.

Parameters

None

Return values

None

Definition at line 266 of file stm32f4xx_sdio.c.

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void SDIO_DMACmd

(

FunctionalState

NewState

)

Enables or disables the SDIO DMA request.

Parameters

NewState

new state of the selected SDIO DMA request. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 769 of file stm32f4xx_sdio.c.

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uint8_t SDIO_GetCommandResponse

(

void

)

Returns command index of last command for which response received.

Parameters

None

Return values

Returns

the command index of the last command response received.

Definition at line 450 of file stm32f4xx_sdio.c.

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uint32_t SDIO_GetDataCounter

(

void

)

Returns number of remaining data bytes to be transferred.

Parameters

None

Return values

Number

of remaining data bytes to be transferred

Definition at line 560 of file stm32f4xx_sdio.c.

uint32_t SDIO_GetFIFOCount

(

void

)

Returns the number of words left to be written to or read from FIFO.

Parameters

None

Return values

Remaining

number of words.

Definition at line 590 of file stm32f4xx_sdio.c.

FlagStatus SDIO_GetFlagStatus

(

uint32_t

SDIO_FLAG

)

Checks whether the specified SDIO flag is set or not.

Parameters

SDIO_FLAG

specifies the flag to check. This parameter can be one of the following values: SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed) SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed) SDIO_FLAG_CTIMEOUT: Command response timeout SDIO_FLAG_DTIMEOUT: Data timeout SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error SDIO_FLAG_RXOVERR: Received FIFO overrun error SDIO_FLAG_CMDREND: Command response received (CRC check passed) SDIO_FLAG_CMDSENT: Command sent (no response required) SDIO_FLAG_DATAEND: Data end (data counter, SDIDCOUNT, is zero) SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide bus mode. SDIO_FLAG_DBCKEND: Data block sent/received (CRC check passed) SDIO_FLAG_CMDACT: Command transfer in progress SDIO_FLAG_TXACT: Data transmit in progress SDIO_FLAG_RXACT: Data receive in progress SDIO_FLAG_TXFIFOHE: Transmit FIFO Half Empty SDIO_FLAG_RXFIFOHF: Receive FIFO Half Full SDIO_FLAG_TXFIFOF: Transmit FIFO full SDIO_FLAG_RXFIFOF: Receive FIFO full SDIO_FLAG_TXFIFOE: Transmit FIFO empty SDIO_FLAG_RXFIFOE: Receive FIFO empty SDIO_FLAG_TXDAVL: Data available in transmit FIFO SDIO_FLAG_RXDAVL: Data available in receive FIFO SDIO_FLAG_SDIOIT: SD I/O interrupt received SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61

Return values

The	new state of SDIO_FLAG (SET or RESET).

Definition at line 875 of file stm32f4xx_sdio.c.

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ITStatus SDIO_GetITStatus

(

uint32_t

SDIO_IT

)

Checks whether the specified SDIO interrupt has occurred or not.

Parameters

SDIO_IT

specifies the SDIO interrupt source to check. This parameter can be one of the following values: SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDIO_IT_CTIMEOUT: Command response timeout interrupt SDIO_IT_DTIMEOUT: Data timeout interrupt SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDIO_IT_RXOVERR: Received FIFO overrun error interrupt SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt SDIO_IT_CMDSENT: Command sent (no response required) interrupt SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt SDIO_IT_STBITERR: Start bit not detected on all data signals in wide bus mode interrupt SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt SDIO_IT_CMDACT: Command transfer in progress interrupt SDIO_IT_TXACT: Data transmit in progress interrupt SDIO_IT_RXACT: Data receive in progress interrupt SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt SDIO_IT_TXFIFOF: Transmit FIFO full interrupt SDIO_IT_RXFIFOF: Receive FIFO full interrupt SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt SDIO_IT_RXFIFOE: Receive FIFO empty interrupt SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt SDIO_IT_RXDAVL: Data available in receive FIFO interrupt SDIO_IT_SDIOIT: SD I/O interrupt received interrupt SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt

Return values

The	new state of SDIO_IT (SET or RESET).

Definition at line 951 of file stm32f4xx_sdio.c.

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uint32_t SDIO_GetPowerState

(

void

)

Gets the power status of the controller.

Parameters

None

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 367 of file stm32f4xx_sdio.c.

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uint32_t SDIO_GetResponse

(

uint32_t

SDIO_RESP

)

Returns response received from the card for the last command.

Parameters

SDIO_RESP

Specifies the SDIO response register. This parameter can be one of the following values: SDIO_RESP1: Response Register 1 SDIO_RESP2: Response Register 2 SDIO_RESP3: Response Register 3 SDIO_RESP4: Response Register 4

Return values

The	Corresponding response register value.

Definition at line 465 of file stm32f4xx_sdio.c.

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void SDIO_Init

(

SDIO_InitTypeDef *

SDIO_InitStruct

)

Initializes the SDIO peripheral according to the specified parameters in the SDIO_InitStruct.

Parameters

SDIO_InitStruct

: pointer to a SDIO_InitTypeDef structure that contains the configuration information for the SDIO peripheral.

Return values

None

Definition at line 279 of file stm32f4xx_sdio.c.

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void SDIO_ITConfig	(	uint32_t	SDIO_IT,
		FunctionalState	NewState
	)

Enables or disables the SDIO interrupts.

Parameters

SDIO_IT

specifies the SDIO interrupt sources to be enabled or disabled. This parameter can be one or a combination of the following values: SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDIO_IT_CTIMEOUT: Command response timeout interrupt SDIO_IT_DTIMEOUT: Data timeout interrupt SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDIO_IT_RXOVERR: Received FIFO overrun error interrupt SDIO_IT_CMDREND: Command response received (CRC check passed) interrupt SDIO_IT_CMDSENT: Command sent (no response required) interrupt SDIO_IT_DATAEND: Data end (data counter, SDIDCOUNT, is zero) interrupt SDIO_IT_STBITERR: Start bit not detected on all data signals in wide bus mode interrupt SDIO_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt SDIO_IT_CMDACT: Command transfer in progress interrupt SDIO_IT_TXACT: Data transmit in progress interrupt SDIO_IT_RXACT: Data receive in progress interrupt SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt SDIO_IT_TXFIFOF: Transmit FIFO full interrupt SDIO_IT_RXFIFOF: Receive FIFO full interrupt SDIO_IT_TXFIFOE: Transmit FIFO empty interrupt SDIO_IT_RXFIFOE: Receive FIFO empty interrupt SDIO_IT_TXDAVL: Data available in transmit FIFO interrupt SDIO_IT_RXDAVL: Data available in receive FIFO interrupt SDIO_IT_SDIOIT: SD I/O interrupt received interrupt SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt

NewState

new state of the specified SDIO interrupts. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 827 of file stm32f4xx_sdio.c.

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uint32_t SDIO_ReadData

(

void

)

Read one data word from Rx FIFO.

Parameters

None

Return values

Data

received

Definition at line 570 of file stm32f4xx_sdio.c.

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void SDIO_SendCEATACmd

(

FunctionalState

NewState

)

Sends CE-ATA command (CMD61).

Parameters

NewState

new state of CE-ATA command. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 737 of file stm32f4xx_sdio.c.

void SDIO_SendCommand

(

SDIO_CmdInitTypeDef *

SDIO_CmdInitStruct

)

Initializes the SDIO Command according to the specified parameters in the SDIO_CmdInitStruct and send the command.

Parameters

SDIO_CmdInitStruct

: pointer to a SDIO_CmdInitTypeDef structure that contains the configuration information for the SDIO command.

Return values

None

Definition at line 399 of file stm32f4xx_sdio.c.

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void SDIO_SendSDIOSuspendCmd

(

FunctionalState

NewState

)

Enables or disables the SD I/O Mode suspend command sending.

Parameters

NewState

new state of the SD I/O Mode suspend command. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 677 of file stm32f4xx_sdio.c.

void SDIO_SetPowerState

(

uint32_t

SDIO_PowerState

)

Sets the power status of the controller.

Parameters

SDIO_PowerState

new state of the Power state. This parameter can be one of the following values: SDIO_PowerState_OFF: SDIO Power OFF SDIO_PowerState_ON: SDIO Power ON

Return values

None

Definition at line 350 of file stm32f4xx_sdio.c.

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void SDIO_SetSDIOOperation

(

FunctionalState

NewState

)

Enables or disables the SD I/O Mode Operation.

Parameters

NewState

new state of SDIO specific operation. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 663 of file stm32f4xx_sdio.c.

void SDIO_SetSDIOReadWaitMode

(

uint32_t

SDIO_ReadWaitMode

)

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

Parameters

SDIO_ReadWaitMode

SD I/O Read Wait operation mode. This parameter can be: SDIO_ReadWaitMode_CLK: Read Wait control by stopping SDIOCLK SDIO_ReadWaitMode_DATA2: Read Wait control using SDIO_DATA2

Return values

None

Definition at line 649 of file stm32f4xx_sdio.c.

void SDIO_StartSDIOReadWait

(

FunctionalState

NewState

)

Starts the SD I/O Read Wait operation.

Parameters

NewState

new state of the Start SDIO Read Wait operation. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 619 of file stm32f4xx_sdio.c.

void SDIO_StopSDIOReadWait

(

FunctionalState

NewState

)

Stops the SD I/O Read Wait operation.

Parameters

NewState

new state of the Stop SDIO Read Wait operation. This parameter can be: ENABLE or DISABLE.

Return values

None

Definition at line 633 of file stm32f4xx_sdio.c.

void SDIO_StructInit

(

SDIO_InitTypeDef *

SDIO_InitStruct

)

Fills each SDIO_InitStruct member with its default value.

Parameters

SDIO_InitStruct

pointer to an SDIO_InitTypeDef structure which will be initialized.

Return values

None

Definition at line 317 of file stm32f4xx_sdio.c.

void SDIO_WriteData

(

uint32_t

Data

)

Write one data word to Tx FIFO.

Parameters

Data	32-bit data word to write.

Return values

None

Definition at line 580 of file stm32f4xx_sdio.c.

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