stm32f4xx_sdio.h 22.2 KB
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/**
  ******************************************************************************
  * @file    stm32f4xx_sdio.h
  * @author  MCD Application Team
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  * @version V1.3.0
  * @date    08-November-2013
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  * @brief   This file contains all the functions prototypes for the SDIO firmware
  *          library.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2013 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 
  * @{
  */

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#define SDIO_ReadWaitMode_DATA2             ((uint32_t)0x00000000)
#define SDIO_ReadWaitMode_CLK               ((uint32_t)0x00000001)
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#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****/