text: /**
    ******************************************************************************
    * @file    stm32f4xx_sdio.h
    * @author  MCD Application Team
    * @version V1.5.1
    * @date    22-May-2015
    * @brief   This file contains all the functions prototypes for the SDIO firmware
    *          library.
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
    *
    * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
    * You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at:
    *
    *        http://www.st.com/software_license_agreement_liberty_v2
    *
    * Unless required by applicable law or agreed to in writing, software 
    * distributed under the License is distributed on an "AS IS" BASIS, 
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    *
    ******************************************************************************
    */
  
  /* Define to prevent recursive inclusion -------------------------------------*/
  #ifndef __STM32F4xx_SDIO_H
  #define __STM32F4xx_SDIO_H
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f4xx.h"
  
  /** @addtogroup STM32F4xx_StdPeriph_Driver
    * @{
    */
  
  /** @addtogroup SDIO
    * @{
    */
  
  /* Exported types ------------------------------------------------------------*/
  
  typedef struct
  {
    uint32_t SDIO_ClockEdge;            /*!< Specifies the clock transition on which the bit capture is made.
                                             This parameter can be a value of @ref SDIO_Clock_Edge */
  
    uint32_t SDIO_ClockBypass;          /*!< Specifies whether the SDIO Clock divider bypass is
                                             enabled or disabled.
                                             This parameter can be a value of @ref SDIO_Clock_Bypass */
  
    uint32_t SDIO_ClockPowerSave;       /*!< Specifies whether SDIO Clock output is enabled or
                                             disabled when the bus is idle.
                                             This parameter can be a value of @ref SDIO_Clock_Power_Save */
  
    uint32_t SDIO_BusWide;              /*!< Specifies the SDIO bus width.
                                             This parameter can be a value of @ref SDIO_Bus_Wide */
  
    uint32_t SDIO_HardwareFlowControl;  /*!< Specifies whether the SDIO hardware flow control is enabled or disabled.
                                             This parameter can be a value of @ref SDIO_Hardware_Flow_Control */
  
    uint8_t SDIO_ClockDiv;              /*!< Specifies the clock frequency of the SDIO controller.
                                             This parameter can be a value between 0x00 and 0xFF. */
                                             
  } SDIO_InitTypeDef;
  
  typedef struct
  {
    uint32_t SDIO_Argument;  /*!< Specifies the SDIO command argument which is sent
                                  to a card as part of a command message. If a command
                                  contains an argument, it must be loaded into this register
                                  before writing the command to the command register */
  
    uint32_t SDIO_CmdIndex;  /*!< Specifies the SDIO command index. It must be lower than 0x40. */
  
    uint32_t SDIO_Response;  /*!< Specifies the SDIO response type.
                                  This parameter can be a value of @ref SDIO_Response_Type */
  
    uint32_t SDIO_Wait;      /*!< Specifies whether SDIO wait for interrupt request is enabled or disabled.
                                  This parameter can be a value of @ref SDIO_Wait_Interrupt_State */
  
    uint32_t SDIO_CPSM;      /*!< Specifies whether SDIO Command path state machine (CPSM)
                                  is enabled or disabled.
                                  This parameter can be a value of @ref SDIO_CPSM_State */
  } SDIO_CmdInitTypeDef;
  
  typedef struct
  {
    uint32_t SDIO_DataTimeOut;    /*!< Specifies the data timeout period in card bus clock periods. */
  
    uint32_t SDIO_DataLength;     /*!< Specifies the number of data bytes to be transferred. */
   
    uint32_t SDIO_DataBlockSize;  /*!< Specifies the data block size for block transfer.
                                       This parameter can be a value of @ref SDIO_Data_Block_Size */
   
    uint32_t SDIO_TransferDir;    /*!< Specifies the data transfer direction, whether the transfer
                                       is a read or write.
                                       This parameter can be a value of @ref SDIO_Transfer_Direction */
   
    uint32_t SDIO_TransferMode;   /*!< Specifies whether data transfer is in stream or block mode.
                                       This parameter can be a value of @ref SDIO_Transfer_Type */
   
    uint32_t SDIO_DPSM;           /*!< Specifies whether SDIO Data path state machine (DPSM)
                                       is enabled or disabled.
                                       This parameter can be a value of @ref SDIO_DPSM_State */
  } SDIO_DataInitTypeDef;
  
  
  /* Exported constants --------------------------------------------------------*/
  
  /** @defgroup SDIO_Exported_Constants
    * @{
    */
  
  /** @defgroup SDIO_Clock_Edge 
    * @{
    */
  
  #define SDIO_ClockEdge_Rising               ((uint32_t)0x00000000)
  #define SDIO_ClockEdge_Falling              ((uint32_t)0x00002000)
  #define IS_SDIO_CLOCK_EDGE(EDGE) (((EDGE) == SDIO_ClockEdge_Rising) || \
                                    ((EDGE) == SDIO_ClockEdge_Falling))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Clock_Bypass 
    * @{
    */
  
  #define SDIO_ClockBypass_Disable             ((uint32_t)0x00000000)
  #define SDIO_ClockBypass_Enable              ((uint32_t)0x00000400)    
  #define IS_SDIO_CLOCK_BYPASS(BYPASS) (((BYPASS) == SDIO_ClockBypass_Disable) || \
                                       ((BYPASS) == SDIO_ClockBypass_Enable))
  /**
    * @}
    */ 
  
  /** @defgroup SDIO_Clock_Power_Save 
    * @{
    */
  
  #define SDIO_ClockPowerSave_Disable         ((uint32_t)0x00000000)
  #define SDIO_ClockPowerSave_Enable          ((uint32_t)0x00000200) 
  #define IS_SDIO_CLOCK_POWER_SAVE(SAVE) (((SAVE) == SDIO_ClockPowerSave_Disable) || \
                                          ((SAVE) == SDIO_ClockPowerSave_Enable))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Bus_Wide 
    * @{
    */
  
  #define SDIO_BusWide_1b                     ((uint32_t)0x00000000)
  #define SDIO_BusWide_4b                     ((uint32_t)0x00000800)
  #define SDIO_BusWide_8b                     ((uint32_t)0x00001000)
  #define IS_SDIO_BUS_WIDE(WIDE) (((WIDE) == SDIO_BusWide_1b) || ((WIDE) == SDIO_BusWide_4b) || \
                                  ((WIDE) == SDIO_BusWide_8b))
  
  /**
    * @}
    */
  
  /** @defgroup SDIO_Hardware_Flow_Control 
    * @{
    */
  
  #define SDIO_HardwareFlowControl_Disable    ((uint32_t)0x00000000)
  #define SDIO_HardwareFlowControl_Enable     ((uint32_t)0x00004000)
  #define IS_SDIO_HARDWARE_FLOW_CONTROL(CONTROL) (((CONTROL) == SDIO_HardwareFlowControl_Disable) || \
                                                  ((CONTROL) == SDIO_HardwareFlowControl_Enable))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Power_State 
    * @{
    */
  
  #define SDIO_PowerState_OFF                 ((uint32_t)0x00000000)
  #define SDIO_PowerState_ON                  ((uint32_t)0x00000003)
  #define IS_SDIO_POWER_STATE(STATE) (((STATE) == SDIO_PowerState_OFF) || ((STATE) == SDIO_PowerState_ON))
  /**
    * @}
    */ 
  
  
  /** @defgroup SDIO_Interrupt_sources
    * @{
    */
  
  #define SDIO_IT_CCRCFAIL                    ((uint32_t)0x00000001)
  #define SDIO_IT_DCRCFAIL                    ((uint32_t)0x00000002)
  #define SDIO_IT_CTIMEOUT                    ((uint32_t)0x00000004)
  #define SDIO_IT_DTIMEOUT                    ((uint32_t)0x00000008)
  #define SDIO_IT_TXUNDERR                    ((uint32_t)0x00000010)
  #define SDIO_IT_RXOVERR                     ((uint32_t)0x00000020)
  #define SDIO_IT_CMDREND                     ((uint32_t)0x00000040)
  #define SDIO_IT_CMDSENT                     ((uint32_t)0x00000080)
  #define SDIO_IT_DATAEND                     ((uint32_t)0x00000100)
  #define SDIO_IT_STBITERR                    ((uint32_t)0x00000200)
  #define SDIO_IT_DBCKEND                     ((uint32_t)0x00000400)
  #define SDIO_IT_CMDACT                      ((uint32_t)0x00000800)
  #define SDIO_IT_TXACT                       ((uint32_t)0x00001000)
  #define SDIO_IT_RXACT                       ((uint32_t)0x00002000)
  #define SDIO_IT_TXFIFOHE                    ((uint32_t)0x00004000)
  #define SDIO_IT_RXFIFOHF                    ((uint32_t)0x00008000)
  #define SDIO_IT_TXFIFOF                     ((uint32_t)0x00010000)
  #define SDIO_IT_RXFIFOF                     ((uint32_t)0x00020000)
  #define SDIO_IT_TXFIFOE                     ((uint32_t)0x00040000)
  #define SDIO_IT_RXFIFOE                     ((uint32_t)0x00080000)
  #define SDIO_IT_TXDAVL                      ((uint32_t)0x00100000)
  #define SDIO_IT_RXDAVL                      ((uint32_t)0x00200000)
  #define SDIO_IT_SDIOIT                      ((uint32_t)0x00400000)
  #define SDIO_IT_CEATAEND                    ((uint32_t)0x00800000)
  #define IS_SDIO_IT(IT) ((((IT) & (uint32_t)0xFF000000) == 0x00) && ((IT) != (uint32_t)0x00))
  /**
    * @}
    */ 
  
  /** @defgroup SDIO_Command_Index
    * @{
    */
  
  #define IS_SDIO_CMD_INDEX(INDEX)            ((INDEX) < 0x40)
  /**
    * @}
    */
  
  /** @defgroup SDIO_Response_Type
    * @{
    */
  
  #define SDIO_Response_No                    ((uint32_t)0x00000000)
  #define SDIO_Response_Short                 ((uint32_t)0x00000040)
  #define SDIO_Response_Long                  ((uint32_t)0x000000C0)
  #define IS_SDIO_RESPONSE(RESPONSE) (((RESPONSE) == SDIO_Response_No) || \
                                      ((RESPONSE) == SDIO_Response_Short) || \
                                      ((RESPONSE) == SDIO_Response_Long))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Wait_Interrupt_State
    * @{
    */
  
  #define SDIO_Wait_No                        ((uint32_t)0x00000000) /*!< SDIO No Wait, TimeOut is enabled */
  #define SDIO_Wait_IT                        ((uint32_t)0x00000100) /*!< SDIO Wait Interrupt Request */
  #define SDIO_Wait_Pend                      ((uint32_t)0x00000200) /*!< SDIO Wait End of transfer */
  #define IS_SDIO_WAIT(WAIT) (((WAIT) == SDIO_Wait_No) || ((WAIT) == SDIO_Wait_IT) || \
                              ((WAIT) == SDIO_Wait_Pend))
  /**
    * @}
    */
  
  /** @defgroup SDIO_CPSM_State
    * @{
    */
  
  #define SDIO_CPSM_Disable                    ((uint32_t)0x00000000)
  #define SDIO_CPSM_Enable                     ((uint32_t)0x00000400)
  #define IS_SDIO_CPSM(CPSM) (((CPSM) == SDIO_CPSM_Enable) || ((CPSM) == SDIO_CPSM_Disable))
  /**
    * @}
    */ 
  
  /** @defgroup SDIO_Response_Registers
    * @{
    */
  
  #define SDIO_RESP1                          ((uint32_t)0x00000000)
  #define SDIO_RESP2                          ((uint32_t)0x00000004)
  #define SDIO_RESP3                          ((uint32_t)0x00000008)
  #define SDIO_RESP4                          ((uint32_t)0x0000000C)
  #define IS_SDIO_RESP(RESP) (((RESP) == SDIO_RESP1) || ((RESP) == SDIO_RESP2) || \
                              ((RESP) == SDIO_RESP3) || ((RESP) == SDIO_RESP4))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Data_Length 
    * @{
    */
  
  #define IS_SDIO_DATA_LENGTH(LENGTH) ((LENGTH) <= 0x01FFFFFF)
  /**
    * @}
    */
  
  /** @defgroup SDIO_Data_Block_Size 
    * @{
    */
  
  #define SDIO_DataBlockSize_1b               ((uint32_t)0x00000000)
  #define SDIO_DataBlockSize_2b               ((uint32_t)0x00000010)
  #define SDIO_DataBlockSize_4b               ((uint32_t)0x00000020)
  #define SDIO_DataBlockSize_8b               ((uint32_t)0x00000030)
  #define SDIO_DataBlockSize_16b              ((uint32_t)0x00000040)
  #define SDIO_DataBlockSize_32b              ((uint32_t)0x00000050)
  #define SDIO_DataBlockSize_64b              ((uint32_t)0x00000060)
  #define SDIO_DataBlockSize_128b             ((uint32_t)0x00000070)
  #define SDIO_DataBlockSize_256b             ((uint32_t)0x00000080)
  #define SDIO_DataBlockSize_512b             ((uint32_t)0x00000090)
  #define SDIO_DataBlockSize_1024b            ((uint32_t)0x000000A0)
  #define SDIO_DataBlockSize_2048b            ((uint32_t)0x000000B0)
  #define SDIO_DataBlockSize_4096b            ((uint32_t)0x000000C0)
  #define SDIO_DataBlockSize_8192b            ((uint32_t)0x000000D0)
  #define SDIO_DataBlockSize_16384b           ((uint32_t)0x000000E0)
  #define IS_SDIO_BLOCK_SIZE(SIZE) (((SIZE) == SDIO_DataBlockSize_1b) || \
                                    ((SIZE) == SDIO_DataBlockSize_2b) || \
                                    ((SIZE) == SDIO_DataBlockSize_4b) || \
                                    ((SIZE) == SDIO_DataBlockSize_8b) || \
                                    ((SIZE) == SDIO_DataBlockSize_16b) || \
                                    ((SIZE) == SDIO_DataBlockSize_32b) || \
                                    ((SIZE) == SDIO_DataBlockSize_64b) || \
                                    ((SIZE) == SDIO_DataBlockSize_128b) || \
                                    ((SIZE) == SDIO_DataBlockSize_256b) || \
                                    ((SIZE) == SDIO_DataBlockSize_512b) || \
                                    ((SIZE) == SDIO_DataBlockSize_1024b) || \
                                    ((SIZE) == SDIO_DataBlockSize_2048b) || \
                                    ((SIZE) == SDIO_DataBlockSize_4096b) || \
                                    ((SIZE) == SDIO_DataBlockSize_8192b) || \
                                    ((SIZE) == SDIO_DataBlockSize_16384b)) 
  /**
    * @}
    */
  
  /** @defgroup SDIO_Transfer_Direction 
    * @{
    */
  
  #define SDIO_TransferDir_ToCard             ((uint32_t)0x00000000)
  #define SDIO_TransferDir_ToSDIO             ((uint32_t)0x00000002)
  #define IS_SDIO_TRANSFER_DIR(DIR) (((DIR) == SDIO_TransferDir_ToCard) || \
                                     ((DIR) == SDIO_TransferDir_ToSDIO))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Transfer_Type 
    * @{
    */
  
  #define SDIO_TransferMode_Block             ((uint32_t)0x00000000)
  #define SDIO_TransferMode_Stream            ((uint32_t)0x00000004)
  #define IS_SDIO_TRANSFER_MODE(MODE) (((MODE) == SDIO_TransferMode_Stream) || \
                                       ((MODE) == SDIO_TransferMode_Block))
  /**
    * @}
    */
  
  /** @defgroup SDIO_DPSM_State 
    * @{
    */
  
  #define SDIO_DPSM_Disable                    ((uint32_t)0x00000000)
  #define SDIO_DPSM_Enable                     ((uint32_t)0x00000001)
  #define IS_SDIO_DPSM(DPSM) (((DPSM) == SDIO_DPSM_Enable) || ((DPSM) == SDIO_DPSM_Disable))
  /**
    * @}
    */
  
  /** @defgroup SDIO_Flags 
    * @{
    */
  
  #define SDIO_FLAG_CCRCFAIL                  ((uint32_t)0x00000001)
  #define SDIO_FLAG_DCRCFAIL                  ((uint32_t)0x00000002)
  #define SDIO_FLAG_CTIMEOUT                  ((uint32_t)0x00000004)
  #define SDIO_FLAG_DTIMEOUT                  ((uint32_t)0x00000008)
  #define SDIO_FLAG_TXUNDERR                  ((uint32_t)0x00000010)
  #define SDIO_FLAG_RXOVERR                   ((uint32_t)0x00000020)
  #define SDIO_FLAG_CMDREND                   ((uint32_t)0x00000040)
  #define SDIO_FLAG_CMDSENT                   ((uint32_t)0x00000080)
  #define SDIO_FLAG_DATAEND                   ((uint32_t)0x00000100)
  #define SDIO_FLAG_STBITERR                  ((uint32_t)0x00000200)
  #define SDIO_FLAG_DBCKEND                   ((uint32_t)0x00000400)
  #define SDIO_FLAG_CMDACT                    ((uint32_t)0x00000800)
  #define SDIO_FLAG_TXACT                     ((uint32_t)0x00001000)
  #define SDIO_FLAG_RXACT                     ((uint32_t)0x00002000)
  #define SDIO_FLAG_TXFIFOHE                  ((uint32_t)0x00004000)
  #define SDIO_FLAG_RXFIFOHF                  ((uint32_t)0x00008000)
  #define SDIO_FLAG_TXFIFOF                   ((uint32_t)0x00010000)
  #define SDIO_FLAG_RXFIFOF                   ((uint32_t)0x00020000)
  #define SDIO_FLAG_TXFIFOE                   ((uint32_t)0x00040000)
  #define SDIO_FLAG_RXFIFOE                   ((uint32_t)0x00080000)
  #define SDIO_FLAG_TXDAVL                    ((uint32_t)0x00100000)
  #define SDIO_FLAG_RXDAVL                    ((uint32_t)0x00200000)
  #define SDIO_FLAG_SDIOIT                    ((uint32_t)0x00400000)
  #define SDIO_FLAG_CEATAEND                  ((uint32_t)0x00800000)
  #define IS_SDIO_FLAG(FLAG) (((FLAG)  == SDIO_FLAG_CCRCFAIL) || \
                              ((FLAG)  == SDIO_FLAG_DCRCFAIL) || \
                              ((FLAG)  == SDIO_FLAG_CTIMEOUT) || \
                              ((FLAG)  == SDIO_FLAG_DTIMEOUT) || \
                              ((FLAG)  == SDIO_FLAG_TXUNDERR) || \
                              ((FLAG)  == SDIO_FLAG_RXOVERR) || \
                              ((FLAG)  == SDIO_FLAG_CMDREND) || \
                              ((FLAG)  == SDIO_FLAG_CMDSENT) || \
                              ((FLAG)  == SDIO_FLAG_DATAEND) || \
                              ((FLAG)  == SDIO_FLAG_STBITERR) || \
                              ((FLAG)  == SDIO_FLAG_DBCKEND) || \
                              ((FLAG)  == SDIO_FLAG_CMDACT) || \
                              ((FLAG)  == SDIO_FLAG_TXACT) || \
                              ((FLAG)  == SDIO_FLAG_RXACT) || \
                              ((FLAG)  == SDIO_FLAG_TXFIFOHE) || \
                              ((FLAG)  == SDIO_FLAG_RXFIFOHF) || \
                              ((FLAG)  == SDIO_FLAG_TXFIFOF) || \
                              ((FLAG)  == SDIO_FLAG_RXFIFOF) || \
                              ((FLAG)  == SDIO_FLAG_TXFIFOE) || \
                              ((FLAG)  == SDIO_FLAG_RXFIFOE) || \
                              ((FLAG)  == SDIO_FLAG_TXDAVL) || \
                              ((FLAG)  == SDIO_FLAG_RXDAVL) || \
                              ((FLAG)  == SDIO_FLAG_SDIOIT) || \
                              ((FLAG)  == SDIO_FLAG_CEATAEND))
  
  #define IS_SDIO_CLEAR_FLAG(FLAG) ((((FLAG) & (uint32_t)0xFF3FF800) == 0x00) && ((FLAG) != (uint32_t)0x00))
  
  #define IS_SDIO_GET_IT(IT) (((IT)  == SDIO_IT_CCRCFAIL) || \
                              ((IT)  == SDIO_IT_DCRCFAIL) || \
                              ((IT)  == SDIO_IT_CTIMEOUT) || \
                              ((IT)  == SDIO_IT_DTIMEOUT) || \
                              ((IT)  == SDIO_IT_TXUNDERR) || \
                              ((IT)  == SDIO_IT_RXOVERR) || \
                              ((IT)  == SDIO_IT_CMDREND) || \
                              ((IT)  == SDIO_IT_CMDSENT) || \
                              ((IT)  == SDIO_IT_DATAEND) || \
                              ((IT)  == SDIO_IT_STBITERR) || \
                              ((IT)  == SDIO_IT_DBCKEND) || \
                              ((IT)  == SDIO_IT_CMDACT) || \
                              ((IT)  == SDIO_IT_TXACT) || \
                              ((IT)  == SDIO_IT_RXACT) || \
                              ((IT)  == SDIO_IT_TXFIFOHE) || \
                              ((IT)  == SDIO_IT_RXFIFOHF) || \
                              ((IT)  == SDIO_IT_TXFIFOF) || \
                              ((IT)  == SDIO_IT_RXFIFOF) || \
                              ((IT)  == SDIO_IT_TXFIFOE) || \
                              ((IT)  == SDIO_IT_RXFIFOE) || \
                              ((IT)  == SDIO_IT_TXDAVL) || \
                              ((IT)  == SDIO_IT_RXDAVL) || \
                              ((IT)  == SDIO_IT_SDIOIT) || \
                              ((IT)  == SDIO_IT_CEATAEND))
  
  #define IS_SDIO_CLEAR_IT(IT) ((((IT) & (uint32_t)0xFF3FF800) == 0x00) && ((IT) != (uint32_t)0x00))
  
  /**
    * @}
    */
  
  /** @defgroup SDIO_Read_Wait_Mode 
    * @{
    */
  
  #define SDIO_ReadWaitMode_DATA2             ((uint32_t)0x00000000)
  #define SDIO_ReadWaitMode_CLK               ((uint32_t)0x00000001)
  #define IS_SDIO_READWAIT_MODE(MODE) (((MODE) == SDIO_ReadWaitMode_CLK) || \
                                       ((MODE) == SDIO_ReadWaitMode_DATA2))
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions --------------------------------------------------------*/
  /*  Function used to set the SDIO configuration to the default reset state ****/
  void SDIO_DeInit(void);
  
  /* Initialization and Configuration functions *********************************/
  void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct);
  void SDIO_StructInit(SDIO_InitTypeDef* SDIO_InitStruct);
  void SDIO_ClockCmd(FunctionalState NewState);
  void SDIO_SetPowerState(uint32_t SDIO_PowerState);
  uint32_t SDIO_GetPowerState(void);
  
  /* Command path state machine (CPSM) management functions *********************/
  void SDIO_SendCommand(SDIO_CmdInitTypeDef *SDIO_CmdInitStruct);
  void SDIO_CmdStructInit(SDIO_CmdInitTypeDef* SDIO_CmdInitStruct);
  uint8_t SDIO_GetCommandResponse(void);
  uint32_t SDIO_GetResponse(uint32_t SDIO_RESP);
  
  /* Data path state machine (DPSM) management functions ************************/
  void SDIO_DataConfig(SDIO_DataInitTypeDef* SDIO_DataInitStruct);
  void SDIO_DataStructInit(SDIO_DataInitTypeDef* SDIO_DataInitStruct);
  uint32_t SDIO_GetDataCounter(void);
  uint32_t SDIO_ReadData(void);
  void SDIO_WriteData(uint32_t Data);
  uint32_t SDIO_GetFIFOCount(void);
  
  /* SDIO IO Cards mode management functions ************************************/
  void SDIO_StartSDIOReadWait(FunctionalState NewState);
  void SDIO_StopSDIOReadWait(FunctionalState NewState);
  void SDIO_SetSDIOReadWaitMode(uint32_t SDIO_ReadWaitMode);
  void SDIO_SetSDIOOperation(FunctionalState NewState);
  void SDIO_SendSDIOSuspendCmd(FunctionalState NewState);
  
  /* CE-ATA mode management functions *******************************************/
  void SDIO_CommandCompletionCmd(FunctionalState NewState);
  void SDIO_CEATAITCmd(FunctionalState NewState);
  void SDIO_SendCEATACmd(FunctionalState NewState);
  
  /* DMA transfers management functions *****************************************/
  void SDIO_DMACmd(FunctionalState NewState);
  
  /* Interrupts and flags management functions **********************************/
  void SDIO_ITConfig(uint32_t SDIO_IT, FunctionalState NewState);
  FlagStatus SDIO_GetFlagStatus(uint32_t SDIO_FLAG);
  void SDIO_ClearFlag(uint32_t SDIO_FLAG);
  ITStatus SDIO_GetITStatus(uint32_t SDIO_IT);
  void SDIO_ClearITPendingBit(uint32_t SDIO_IT);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __STM32F4xx_SDIO_H */
  
  /**
    * @}
    */
  
  /**
    * @}
    */
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  