SDIO driver modules. More...

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

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

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

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

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

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

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

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

void SDIO_DeInit ( void )

Deinitializes the SDIO peripheral registers to their default reset values.

Parameters

None

Return values

None

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

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.

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

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.

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).

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).

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

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.

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

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

uint32_t SDIO_ReadData ( void )

Read one data word from Rx FIFO.

Parameters

None

Return values

Data received

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

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

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

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

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

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

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

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

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

void SDIO_WriteData ( uint32_t Data )

Write one data word to Tx FIFO.

Parameters

Data,: 32-bit data word to write.

Return values

None

Modules

Data Structures

Macros

Functions

Detailed Description

Function Documentation