stm32f2xx_sdio.c

STM32+Grlib

  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) CMD_SDIOSUSPEND_BB = (uint32_t)NewState;
}

/**
  * @}
  */

/** @defgroup SDIO_Group5 CE-ATA mode management functions
 *  @brief   CE-ATA mode management functions
 *
@verbatim   
 ===============================================================================
              CE-ATA mode management functions
 ===============================================================================  

  This section provide functions allowing to program and read the CE-ATA card.

@endverbatim
  * @{
  */

/**
  * @brief  Enables or disables the command completion signal.
  * @param  NewState: new state of command completion signal. 
  *         This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void SDIO_CommandCompletionCmd(FunctionalState NewState)
{ 
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) CMD_ENCMDCOMPL_BB = (uint32_t)NewState;
}

/**
  * @brief  Enables or disables the CE-ATA interrupt.
  * @param  NewState: new state of CE-ATA interrupt. 
  *         This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void SDIO_CEATAITCmd(FunctionalState NewState)
{ 
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) CMD_NIEN_BB = (uint32_t)((~((uint32_t)NewState)) & ((uint32_t)0x1));
}

/**
  * @brief  Sends CE-ATA command (CMD61).
  * @param  NewState: new state of CE-ATA command. 
  *         This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void SDIO_SendCEATACmd(FunctionalState NewState)
{ 
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) CMD_ATACMD_BB = (uint32_t)NewState;
}

/**
  * @}
  */

/** @defgroup SDIO_Group6 DMA transfers management functions
 *  @brief   DMA transfers management functions
 *
@verbatim   
 ===============================================================================
              DMA transfers management functions
 ===============================================================================  

  This section provide functions allowing to program SDIO DMA transfer.

@endverbatim
  * @{
  */

/**
  * @brief  Enables or disables the SDIO DMA request.
  * @param  NewState: new state of the selected SDIO DMA request.
  *          This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void SDIO_DMACmd(FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) DCTRL_DMAEN_BB = (uint32_t)NewState;
}

/**
  * @}
  */

/** @defgroup SDIO_Group7 Interrupts and flags management functions
 *  @brief   Interrupts and flags management functions  
 *
@verbatim   
 ===============================================================================
                       Interrupts and flags management functions
 ===============================================================================  


@endverbatim
  * @{
  */

/**
  * @brief  Enables or disables the SDIO interrupts.
  * @param  SDIO_IT: specifies the SDIO interrupt sources to be enabled or disabled.
  *          This parameter can be one or a combination of the following values:
  *            @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt
  *            @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt
  *            @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt
  *            @arg SDIO_IT_DTIMEOUT: Data timeout interrupt
  *            @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
  *            @arg SDIO_IT_RXOVERR:  Received FIFO overrun error interrupt
  *            @arg SDIO_IT_CMDREND:  Command response received (CRC check passed) interrupt
  *            @arg SDIO_IT_CMDSENT:  Command sent (no response required) interrupt
  *            @arg SDIO_IT_DATAEND:  Data end (data counter, SDIDCOUNT, is zero) interrupt
  *            @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide 
  *                                   bus mode interrupt
  *            @arg SDIO_IT_DBCKEND:  Data block sent/received (CRC check passed) interrupt
  *            @arg SDIO_IT_CMDACT:   Command transfer in progress interrupt
  *            @arg SDIO_IT_TXACT:    Data transmit in progress interrupt
  *            @arg SDIO_IT_RXACT:    Data receive in progress interrupt
  *            @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt
  *            @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt
  *            @arg SDIO_IT_TXFIFOF:  Transmit FIFO full interrupt
  *            @arg SDIO_IT_RXFIFOF:  Receive FIFO full interrupt
  *            @arg SDIO_IT_TXFIFOE:  Transmit FIFO empty interrupt
  *            @arg SDIO_IT_RXFIFOE:  Receive FIFO empty interrupt
  *            @arg SDIO_IT_TXDAVL:   Data available in transmit FIFO interrupt
  *            @arg SDIO_IT_RXDAVL:   Data available in receive FIFO interrupt
  *            @arg SDIO_IT_SDIOIT:   SD I/O interrupt received interrupt
  *            @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt
  * @param  NewState: new state of the specified SDIO interrupts.
  *          This parameter can be: ENABLE or DISABLE.
  * @retval None 
  */
void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState)
{
  /* Check the parameters */
  assert_param(IS_SDIO_IT(SDIO_IT));
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  if (NewState != DISABLE)
  {
    /* Enable the SDIO interrupts */
    SDIO->MASK |= SDIO_IT;
  }
  else
  {
    /* Disable the SDIO interrupts */
    SDIO->MASK &= ~SDIO_IT;
  } 
}

/**
  * @brief  Checks whether the specified SDIO flag is set or not.
  * @param  SDIO_FLAG: specifies the flag to check. 
  *          This parameter can be one of the following values:
  *            @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed)
  *            @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed)
  *            @arg SDIO_FLAG_CTIMEOUT: Command response timeout
  *            @arg SDIO_FLAG_DTIMEOUT: Data timeout
  *            @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error
  *            @arg SDIO_FLAG_RXOVERR:  Received FIFO overrun error
  *            @arg SDIO_FLAG_CMDREND:  Command response received (CRC check passed)
  *            @arg SDIO_FLAG_CMDSENT:  Command sent (no response required)
  *            @arg SDIO_FLAG_DATAEND:  Data end (data counter, SDIDCOUNT, is zero)
  *            @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide bus mode.
  *            @arg SDIO_FLAG_DBCKEND:  Data block sent/received (CRC check passed)
  *            @arg SDIO_FLAG_CMDACT:   Command transfer in progress
  *            @arg SDIO_FLAG_TXACT:    Data transmit in progress
  *            @arg SDIO_FLAG_RXACT:    Data receive in progress
  *            @arg SDIO_FLAG_TXFIFOHE: Transmit FIFO Half Empty
  *            @arg SDIO_FLAG_RXFIFOHF: Receive FIFO Half Full
  *            @arg SDIO_FLAG_TXFIFOF:  Transmit FIFO full
  *            @arg SDIO_FLAG_RXFIFOF:  Receive FIFO full
  *            @arg SDIO_FLAG_TXFIFOE:  Transmit FIFO empty
  *            @arg SDIO_FLAG_RXFIFOE:  Receive FIFO empty
  *            @arg SDIO_FLAG_TXDAVL:   Data available in transmit FIFO
  *            @arg SDIO_FLAG_RXDAVL:   Data available in receive FIFO
  *            @arg SDIO_FLAG_SDIOIT:   SD I/O interrupt received
  *            @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61
  * @retval The new state of SDIO_FLAG (SET or RESET).
  */
FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG)
{ 
  FlagStatus bitstatus = RESET;
  
  /* Check the parameters */
  assert_param(IS_SDIO_FLAG(SDIO_FLAG));
  
  if ((SDIO->STA & SDIO_FLAG) != (uint32_t)RESET)
  {
    bitstatus = SET;
  }
  else
  {
    bitstatus = RESET;
  }
  return bitstatus;
}

/**
  * @brief  Clears the SDIO's pending flags.
  * @param  SDIO_FLAG: specifies the flag to clear.  
  *          This parameter can be one or a combination of the following values:
  *            @arg SDIO_FLAG_CCRCFAIL: Command response received (CRC check failed)
  *            @arg SDIO_FLAG_DCRCFAIL: Data block sent/received (CRC check failed)
  *            @arg SDIO_FLAG_CTIMEOUT: Command response timeout
  *            @arg SDIO_FLAG_DTIMEOUT: Data timeout
  *            @arg SDIO_FLAG_TXUNDERR: Transmit FIFO underrun error
  *            @arg SDIO_FLAG_RXOVERR:  Received FIFO overrun error
  *            @arg SDIO_FLAG_CMDREND:  Command response received (CRC check passed)
  *            @arg SDIO_FLAG_CMDSENT:  Command sent (no response required)
  *            @arg SDIO_FLAG_DATAEND:  Data end (data counter, SDIDCOUNT, is zero)
  *            @arg SDIO_FLAG_STBITERR: Start bit not detected on all data signals in wide bus mode
  *            @arg SDIO_FLAG_DBCKEND:  Data block sent/received (CRC check passed)
  *            @arg SDIO_FLAG_SDIOIT:   SD I/O interrupt received
  *            @arg SDIO_FLAG_CEATAEND: CE-ATA command completion signal received for CMD61
  * @retval None
  */
void SDIO_ClearFlag(uint32_t SDIO_FLAG)
{ 
  /* Check the parameters */
  assert_param(IS_SDIO_CLEAR_FLAG(SDIO_FLAG));
   
  SDIO->ICR = SDIO_FLAG;
}

/**
  * @brief  Checks whether the specified SDIO interrupt has occurred or not.
  * @param  SDIO_IT: specifies the SDIO interrupt source to check. 
  *          This parameter can be one of the following values:
  *            @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt
  *            @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt
  *            @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt
  *            @arg SDIO_IT_DTIMEOUT: Data timeout interrupt
  *            @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
  *            @arg SDIO_IT_RXOVERR:  Received FIFO overrun error interrupt
  *            @arg SDIO_IT_CMDREND:  Command response received (CRC check passed) interrupt
  *            @arg SDIO_IT_CMDSENT:  Command sent (no response required) interrupt
  *            @arg SDIO_IT_DATAEND:  Data end (data counter, SDIDCOUNT, is zero) interrupt
  *            @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide 
  *                                   bus mode interrupt
  *            @arg SDIO_IT_DBCKEND:  Data block sent/received (CRC check passed) interrupt
  *            @arg SDIO_IT_CMDACT:   Command transfer in progress interrupt
  *            @arg SDIO_IT_TXACT:    Data transmit in progress interrupt
  *            @arg SDIO_IT_RXACT:    Data receive in progress interrupt
  *            @arg SDIO_IT_TXFIFOHE: Transmit FIFO Half Empty interrupt
  *            @arg SDIO_IT_RXFIFOHF: Receive FIFO Half Full interrupt
  *            @arg SDIO_IT_TXFIFOF:  Transmit FIFO full interrupt
  *            @arg SDIO_IT_RXFIFOF:  Receive FIFO full interrupt
  *            @arg SDIO_IT_TXFIFOE:  Transmit FIFO empty interrupt
  *            @arg SDIO_IT_RXFIFOE:  Receive FIFO empty interrupt
  *            @arg SDIO_IT_TXDAVL:   Data available in transmit FIFO interrupt
  *            @arg SDIO_IT_RXDAVL:   Data available in receive FIFO interrupt
  *            @arg SDIO_IT_SDIOIT:   SD I/O interrupt received interrupt
  *            @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61 interrupt
  * @retval The new state of SDIO_IT (SET or RESET).
  */
ITStatus SDIO_GetITStatus(uint32_t SDIO_IT)
{ 
  ITStatus bitstatus = RESET;
  
  /* Check the parameters */
  assert_param(IS_SDIO_GET_IT(SDIO_IT));
  if ((SDIO->STA & SDIO_IT) != (uint32_t)RESET)  
  {
    bitstatus = SET;
  }
  else
  {
    bitstatus = RESET;
  }
  return bitstatus;
}

/**
  * @brief  Clears the SDIO's interrupt pending bits.
  * @param  SDIO_IT: specifies the interrupt pending bit to clear. 
  *          This parameter can be one or a combination of the following values:
  *            @arg SDIO_IT_CCRCFAIL: Command response received (CRC check failed) interrupt
  *            @arg SDIO_IT_DCRCFAIL: Data block sent/received (CRC check failed) interrupt
  *            @arg SDIO_IT_CTIMEOUT: Command response timeout interrupt
  *            @arg SDIO_IT_DTIMEOUT: Data timeout interrupt
  *            @arg SDIO_IT_TXUNDERR: Transmit FIFO underrun error interrupt
  *            @arg SDIO_IT_RXOVERR:  Received FIFO overrun error interrupt
  *            @arg SDIO_IT_CMDREND:  Command response received (CRC check passed) interrupt
  *            @arg SDIO_IT_CMDSENT:  Command sent (no response required) interrupt
  *            @arg SDIO_IT_DATAEND:  Data end (data counter, SDIO_DCOUNT, is zero) interrupt
  *            @arg SDIO_IT_STBITERR: Start bit not detected on all data signals in wide 
  *                                   bus mode interrupt
  *            @arg SDIO_IT_SDIOIT:   SD I/O interrupt received interrupt
  *            @arg SDIO_IT_CEATAEND: CE-ATA command completion signal received for CMD61
  * @retval None
  */
void SDIO_ClearITPendingBit(uint32_t SDIO_IT)
{ 
  /* Check the parameters */
  assert_param(IS_SDIO_CLEAR_IT(SDIO_IT));
   
  SDIO->ICR = SDIO_IT;
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/