STM32F2 Standard Peripheral bibliotheek  1.0
ST Microelectronics bibliotheek documentatie voor de STM32F2 Standard Peripheral Library
 All Data Structures Files Functions Variables Enumerations Enumerator Groups
Interrupts and flags management functions

Interrupts and flags management functions. More...

Functions

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

Interrupts and flags management functions.

 ===============================================================================
                       Interrupts and flags management functions
 ===============================================================================  

Function Documentation

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
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
Thenew 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
Thenew state of SDIO_IT (SET or RESET).
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