Interrupt And Clock Configuration

macros to handle interrupts and specific clock configurations More...

Macros
#define	__SDMMC_ENABLE_IT(__INSTANCE__, __INTERRUPT__)
	Enable the SDMMC device interrupt.
#define	__SDMMC_DISABLE_IT(__INSTANCE__, __INTERRUPT__)
	Disable the SDMMC device interrupt.
#define	__SDMMC_GET_FLAG(__INSTANCE__, __FLAG__)
	Checks whether the specified SDMMC flag is set or not.
#define	__SDMMC_CLEAR_FLAG(__INSTANCE__, __FLAG__)
	Clears the SDMMC pending flags.
#define	__SDMMC_GET_IT(__INSTANCE__, __INTERRUPT__)
	Checks whether the specified SDMMC interrupt has occurred or not.
#define	__SDMMC_CLEAR_IT(__INSTANCE__, __INTERRUPT__)
	Clears the SDMMC's interrupt pending bits.
#define	__SDMMC_START_READWAIT_ENABLE(__INSTANCE__)
	Enable Start the SD I/O Read Wait operation.
#define	__SDMMC_START_READWAIT_DISABLE(__INSTANCE__)
	Disable Start the SD I/O Read Wait operations.
#define	__SDMMC_STOP_READWAIT_ENABLE(__INSTANCE__)
	Enable Start the SD I/O Read Wait operation.
#define	__SDMMC_STOP_READWAIT_DISABLE(__INSTANCE__)
	Disable Stop the SD I/O Read Wait operations.
#define	__SDMMC_OPERATION_ENABLE(__INSTANCE__)
	Enable the SD I/O Mode Operation.
#define	__SDMMC_OPERATION_DISABLE(__INSTANCE__)
	Disable the SD I/O Mode Operation.
#define	__SDMMC_SUSPEND_CMD_ENABLE(__INSTANCE__)
	Enable the SD I/O Suspend command sending.
#define	__SDMMC_SUSPEND_CMD_DISABLE(__INSTANCE__)
	Disable the SD I/O Suspend command sending.
#define	__SDMMC_CMDTRANS_ENABLE(__INSTANCE__)
	Enable the CMDTRANS mode.
#define	__SDMMC_CMDTRANS_DISABLE(__INSTANCE__)
	Disable the CMDTRANS mode.
#define	__SDMMC_CMDSTOP_ENABLE(__INSTANCE__)
	Enable the CMDSTOP mode.
#define	__SDMMC_CMDSTOP_DISABLE(__INSTANCE__)
	Disable the CMDSTOP mode.

Detailed Description

macros to handle interrupts and specific clock configurations

Macro Definition Documentation

__SDMMC_CLEAR_FLAG

#define __SDMMC_CLEAR_FLAG	(		__INSTANCE__,
			__FLAG__ )

Value:

((__INSTANCE__)->ICR = (__FLAG__))

Clears the SDMMC pending flags.

Parameters

__INSTANCE__

Pointer to SDMMC register base

__FLAG__

specifies the flag to clear. This parameter can be one or a combination of the following values: SDMMC_FLAG_CCRCFAIL: Command response received (CRC check failed) SDMMC_FLAG_DCRCFAIL: Data block sent/received (CRC check failed) SDMMC_FLAG_CTIMEOUT: Command response timeout SDMMC_FLAG_DTIMEOUT: Data timeout SDMMC_FLAG_TXUNDERR: Transmit FIFO underrun error SDMMC_FLAG_RXOVERR: Received FIFO overrun error SDMMC_FLAG_CMDREND: Command response received (CRC check passed) SDMMC_FLAG_CMDSENT: Command sent (no response required) SDMMC_FLAG_DATAEND: Data end (data counter, DATACOUNT, is zero) SDMMC_FLAG_DHOLD: Data transfer Hold SDMMC_FLAG_DBCKEND: Data block sent/received (CRC check passed) SDMMC_FLAG_DABORT: Data transfer aborted by CMD12 SDMMC_FLAG_BUSYD0END: End of SDMMC_D0 Busy following a CMD response detected SDMMC_FLAG_SDIOIT: SDIO interrupt received SDMMC_FLAG_ACKFAIL: Boot Acknowledgment received SDMMC_FLAG_ACKTIMEOUT: Boot Acknowledgment timeout SDMMC_FLAG_VSWEND: Voltage switch critical timing section completion SDMMC_FLAG_CKSTOP: SDMMC_CK stopped in Voltage switch procedure SDMMC_FLAG_IDMATE: IDMA transfer error SDMMC_FLAG_IDMABTC: IDMA buffer transfer complete

Return values

None

__SDMMC_CLEAR_IT

#define __SDMMC_CLEAR_IT	(		__INSTANCE__,
			__INTERRUPT__ )

Value:

((__INSTANCE__)->ICR = (__INTERRUPT__))

Clears the SDMMC's interrupt pending bits.

Parameters

__INSTANCE__

Pointer to SDMMC register base

__INTERRUPT__

specifies the interrupt pending bit to clear. This parameter can be one or a combination of the following values: SDMMC_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDMMC_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDMMC_IT_CTIMEOUT: Command response timeout interrupt SDMMC_IT_DTIMEOUT: Data timeout interrupt SDMMC_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDMMC_IT_RXOVERR: Received FIFO overrun error interrupt SDMMC_IT_CMDREND: Command response received (CRC check passed) interrupt SDMMC_IT_CMDSENT: Command sent (no response required) interrupt SDMMC_IT_DATAEND: Data end (data counter, DATACOUNT, is zero) interrupt SDMMC_IT_DHOLD: Data transfer Hold interrupt SDMMC_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt SDMMC_IT_DABORT: Data transfer aborted by CMD12 interrupt SDMMC_IT_BUSYD0END: End of SDMMC_D0 Busy following a CMD response detected interrupt SDMMC_IT_SDIOIT: SDIO interrupt received interrupt SDMMC_IT_ACKFAIL: Boot Acknowledgment received interrupt SDMMC_IT_ACKTIMEOUT: Boot Acknowledgment timeout interrupt SDMMC_IT_VSWEND: Voltage switch critical timing section completion interrupt SDMMC_IT_CKSTOP: SDMMC_CK stopped in Voltage switch procedure interrupt SDMMC_IT_IDMABTC: IDMA buffer transfer complete interrupt

Return values

None

__SDMMC_CMDSTOP_DISABLE

#define __SDMMC_CMDSTOP_DISABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->CMD &= ~SDMMC_CMD_CMDSTOP)

Disable the CMDSTOP mode.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_CMDSTOP_ENABLE

#define __SDMMC_CMDSTOP_ENABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->CMD |= SDMMC_CMD_CMDSTOP)

Enable the CMDSTOP mode.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_CMDTRANS_DISABLE

#define __SDMMC_CMDTRANS_DISABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->CMD &= ~SDMMC_CMD_CMDTRANS)

Disable the CMDTRANS mode.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_CMDTRANS_ENABLE

#define __SDMMC_CMDTRANS_ENABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->CMD |= SDMMC_CMD_CMDTRANS)

Enable the CMDTRANS mode.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_DISABLE_IT

#define __SDMMC_DISABLE_IT	(		__INSTANCE__,
			__INTERRUPT__ )

Value:

((__INSTANCE__)->MASK &= ~(__INTERRUPT__))

Disable the SDMMC device interrupt.

Parameters

__INSTANCE__

Pointer to SDMMC register base

__INTERRUPT__

specifies the SDMMC interrupt sources to be disabled. This parameter can be one or a combination of the following values: SDMMC_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDMMC_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDMMC_IT_CTIMEOUT: Command response timeout interrupt SDMMC_IT_DTIMEOUT: Data timeout interrupt SDMMC_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDMMC_IT_RXOVERR: Received FIFO overrun error interrupt SDMMC_IT_CMDREND: Command response received (CRC check passed) interrupt SDMMC_IT_CMDSENT: Command sent (no response required) interrupt SDMMC_IT_DATAEND: Data end (data counter, DATACOUNT, is zero) interrupt SDMMC_IT_DHOLD: Data transfer Hold interrupt SDMMC_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt SDMMC_IT_DABORT: Data transfer aborted by CMD12 interrupt SDMMC_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt SDMMC_IT_RXFIFOHF: Receive FIFO Half Full interrupt SDMMC_IT_RXFIFOF: Receive FIFO full interrupt SDMMC_IT_TXFIFOE: Transmit FIFO empty interrupt SDMMC_IT_BUSYD0END: End of SDMMC_D0 Busy following a CMD response detected interrupt SDMMC_IT_SDIOIT: SDIO interrupt received interrupt SDMMC_IT_ACKFAIL: Boot Acknowledgment received interrupt SDMMC_IT_ACKTIMEOUT: Boot Acknowledgment timeout interrupt SDMMC_IT_VSWEND: Voltage switch critical timing section completion interrupt SDMMC_IT_CKSTOP: SDMMC_CK stopped in Voltage switch procedure interrupt SDMMC_IT_IDMABTC: IDMA buffer transfer complete interrupt

Return values

None

__SDMMC_ENABLE_IT

#define __SDMMC_ENABLE_IT	(		__INSTANCE__,
			__INTERRUPT__ )

Value:

((__INSTANCE__)->MASK |= (__INTERRUPT__))

Enable the SDMMC device interrupt.

Parameters

__INSTANCE__

Pointer to SDMMC register base

__INTERRUPT__

specifies the SDMMC interrupt sources to be enabled. This parameter can be one or a combination of the following values: SDMMC_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDMMC_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDMMC_IT_CTIMEOUT: Command response timeout interrupt SDMMC_IT_DTIMEOUT: Data timeout interrupt SDMMC_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDMMC_IT_RXOVERR: Received FIFO overrun error interrupt SDMMC_IT_CMDREND: Command response received (CRC check passed) interrupt SDMMC_IT_CMDSENT: Command sent (no response required) interrupt SDMMC_IT_DATAEND: Data end (data counter, DATACOUNT, is zero) interrupt SDMMC_IT_DHOLD: Data transfer Hold interrupt SDMMC_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt SDMMC_IT_DABORT: Data transfer aborted by CMD12 interrupt SDMMC_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt SDMMC_IT_RXFIFOHF: Receive FIFO Half Full interrupt SDMMC_IT_RXFIFOF: Receive FIFO full interrupt SDMMC_IT_TXFIFOE: Transmit FIFO empty interrupt SDMMC_IT_BUSYD0END: End of SDMMC_D0 Busy following a CMD response detected interrupt SDMMC_IT_SDIOIT: SDIO interrupt received interrupt SDMMC_IT_ACKFAIL: Boot Acknowledgment received interrupt SDMMC_IT_ACKTIMEOUT: Boot Acknowledgment timeout interrupt SDMMC_IT_VSWEND: Voltage switch critical timing section completion interrupt SDMMC_IT_CKSTOP: SDMMC_CK stopped in Voltage switch procedure interrupt SDMMC_IT_IDMABTC: IDMA buffer transfer complete interrupt

Return values

None

__SDMMC_GET_FLAG

#define __SDMMC_GET_FLAG	(		__INSTANCE__,
			__FLAG__ )

Value:

(((__INSTANCE__)->STA &(__FLAG__)) != 0U)

Checks whether the specified SDMMC flag is set or not.

Parameters

__INSTANCE__

Pointer to SDMMC register base

__FLAG__

specifies the flag to check. This parameter can be one of the following values: SDMMC_FLAG_CCRCFAIL: Command response received (CRC check failed) SDMMC_FLAG_DCRCFAIL: Data block sent/received (CRC check failed) SDMMC_FLAG_CTIMEOUT: Command response timeout SDMMC_FLAG_DTIMEOUT: Data timeout SDMMC_FLAG_TXUNDERR: Transmit FIFO underrun error SDMMC_FLAG_RXOVERR: Received FIFO overrun error SDMMC_FLAG_CMDREND: Command response received (CRC check passed) SDMMC_FLAG_CMDSENT: Command sent (no response required) SDMMC_FLAG_DATAEND: Data end (data counter, DATACOUNT, is zero) SDMMC_FLAG_DHOLD: Data transfer Hold SDMMC_FLAG_DBCKEND: Data block sent/received (CRC check passed) SDMMC_FLAG_DABORT: Data transfer aborted by CMD12 SDMMC_FLAG_DPSMACT: Data path state machine active SDMMC_FLAG_CPSMACT: Command path state machine active SDMMC_FLAG_TXFIFOHE: Transmit FIFO Half Empty SDMMC_FLAG_RXFIFOHF: Receive FIFO Half Full SDMMC_FLAG_TXFIFOF: Transmit FIFO full SDMMC_FLAG_RXFIFOF: Receive FIFO full SDMMC_FLAG_TXFIFOE: Transmit FIFO empty SDMMC_FLAG_RXFIFOE: Receive FIFO empty SDMMC_FLAG_BUSYD0: Inverted value of SDMMC_D0 line (Busy) SDMMC_FLAG_BUSYD0END: End of SDMMC_D0 Busy following a CMD response detected SDMMC_FLAG_SDIOIT: SDIO interrupt received SDMMC_FLAG_ACKFAIL: Boot Acknowledgment received SDMMC_FLAG_ACKTIMEOUT: Boot Acknowledgment timeout SDMMC_FLAG_VSWEND: Voltage switch critical timing section completion SDMMC_FLAG_CKSTOP: SDMMC_CK stopped in Voltage switch procedure SDMMC_FLAG_IDMATE: IDMA transfer error SDMMC_FLAG_IDMABTC: IDMA buffer transfer complete

Return values

The	new state of SDMMC_FLAG (SET or RESET).

__SDMMC_GET_IT

#define __SDMMC_GET_IT	(		__INSTANCE__,
			__INTERRUPT__ )

Value:

(((__INSTANCE__)->STA &(__INTERRUPT__)) == (__INTERRUPT__))

Checks whether the specified SDMMC interrupt has occurred or not.

Parameters

__INSTANCE__

Pointer to SDMMC register base

__INTERRUPT__

specifies the SDMMC interrupt source to check. This parameter can be one of the following values: SDMMC_IT_CCRCFAIL: Command response received (CRC check failed) interrupt SDMMC_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt SDMMC_IT_CTIMEOUT: Command response timeout interrupt SDMMC_IT_DTIMEOUT: Data timeout interrupt SDMMC_IT_TXUNDERR: Transmit FIFO underrun error interrupt SDMMC_IT_RXOVERR: Received FIFO overrun error interrupt SDMMC_IT_CMDREND: Command response received (CRC check passed) interrupt SDMMC_IT_CMDSENT: Command sent (no response required) interrupt SDMMC_IT_DATAEND: Data end (data counter, DATACOUNT, is zero) interrupt SDMMC_IT_DHOLD: Data transfer Hold interrupt SDMMC_IT_DBCKEND: Data block sent/received (CRC check passed) interrupt SDMMC_IT_DABORT: Data transfer aborted by CMD12 interrupt SDMMC_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt SDMMC_IT_RXFIFOHF: Receive FIFO Half Full interrupt SDMMC_IT_RXFIFOF: Receive FIFO full interrupt SDMMC_IT_TXFIFOE: Transmit FIFO empty interrupt SDMMC_IT_BUSYD0END: End of SDMMC_D0 Busy following a CMD response detected interrupt SDMMC_IT_SDIOIT: SDIO interrupt received interrupt SDMMC_IT_ACKFAIL: Boot Acknowledgment received interrupt SDMMC_IT_ACKTIMEOUT: Boot Acknowledgment timeout interrupt SDMMC_IT_VSWEND: Voltage switch critical timing section completion interrupt SDMMC_IT_CKSTOP: SDMMC_CK stopped in Voltage switch procedure interrupt SDMMC_IT_IDMABTC: IDMA buffer transfer complete interrupt

Return values

The	new state of SDMMC_IT (SET or RESET).

__SDMMC_OPERATION_DISABLE

#define __SDMMC_OPERATION_DISABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->DCTRL &= ~SDMMC_DCTRL_SDIOEN)

Disable the SD I/O Mode Operation.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_OPERATION_ENABLE

#define __SDMMC_OPERATION_ENABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->DCTRL |= SDMMC_DCTRL_SDIOEN)

Enable the SD I/O Mode Operation.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_START_READWAIT_DISABLE

#define __SDMMC_START_READWAIT_DISABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->DCTRL &= ~SDMMC_DCTRL_RWSTART)

Disable Start the SD I/O Read Wait operations.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_START_READWAIT_ENABLE

#define __SDMMC_START_READWAIT_ENABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->DCTRL |= SDMMC_DCTRL_RWSTART)

Enable Start the SD I/O Read Wait operation.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_STOP_READWAIT_DISABLE

#define __SDMMC_STOP_READWAIT_DISABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->DCTRL &= ~SDMMC_DCTRL_RWSTOP)

Disable Stop the SD I/O Read Wait operations.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_STOP_READWAIT_ENABLE

#define __SDMMC_STOP_READWAIT_ENABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->DCTRL |= SDMMC_DCTRL_RWSTOP)

Enable Start the SD I/O Read Wait operation.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_SUSPEND_CMD_DISABLE

#define __SDMMC_SUSPEND_CMD_DISABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->CMD &= ~SDMMC_CMD_CMDSUSPEND)

Disable the SD I/O Suspend command sending.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None

__SDMMC_SUSPEND_CMD_ENABLE

#define __SDMMC_SUSPEND_CMD_ENABLE

(

__INSTANCE__

)

Value:

((__INSTANCE__)->CMD |= SDMMC_CMD_CMDSUSPEND)

Enable the SD I/O Suspend command sending.

Parameters

__INSTANCE__

Pointer to SDMMC register base

Return values

None