stm32l1xx_sdio.c

VS1003_MP3_SPI_SDHC_FAT32

  /* Check the parameters */
  assert_param(IS_SDIO_READWAIT_MODE(SDIO_ReadWaitMode));
  
  *(__IO uint32_t *) DCTRL_RWMOD_BB = SDIO_ReadWaitMode;
}

/**
  * @brief  Enables or disables the SD I/O Mode Operation.
  * @param  NewState: new state of SDIO specific operation. 
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void SDIO_SetSDIOOperation(FunctionalState NewState)
{ 
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) DCTRL_SDIOEN_BB = (uint32_t)NewState;
}

/**
  * @brief  Enables or disables the SD I/O Mode suspend command sending.
  * @param  NewState: new state of the SD I/O Mode suspend command.
  *   This parameter can be: ENABLE or DISABLE.
  * @retval None
  */
void SDIO_SendSDIOSuspendCmd(FunctionalState NewState)
{ 
  /* Check the parameters */
  assert_param(IS_FUNCTIONAL_STATE(NewState));
  
  *(__IO uint32_t *) CMD_SDIOSUSPEND_BB = (uint32_t)NewState;
}

/**
  * @}
  */

/** @defgroup SDIO_Group6 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_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, SDIDCOUNT, 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 2012 STMicroelectronics *****END OF FILE****/