#ifndef __SDIO_SDCARD_H
#define __SDIO_SDCARD_H																			   
#include "stm32f4xx.h" 													   
//////////////////////////////////////////////////////////////////////////////////	 
//本程序只供学习使用，未经作者许可，不得用于其它任何用途
//ALIENTEK STM32F407开发板
//SDIO 驱动代码	   
//正点原子@ALIENTEK
//技术论坛:www.openedv.com
//创建日期:2014/5/14
//版本：V1.1
//版权所有，盗版必究。
//Copyright(C) 广州市星翼电子科技有限公司 2014-2024
//All rights reserved		
//V1.1 
//1,加入超时判断,解决轮询接收死机的问题.
////////////////////////////////////////////////////////////////////////////////// 	 	 

 

//用户配置区			  
//SDIO时钟计算公式:SDIO_CK时钟=SDIOCLK/[clkdiv+2];其中,SDIOCLK固定为48Mhz
//使用DMA模式的时候,传输速率可以到48Mhz,不过如果你的卡不是高速卡,可能也会出错
//出错就请降低时钟,使用查询模式的话,推荐SDIO_TRANSFER_CLK_DIV设置为3或者更大
#define SDIO_INIT_CLK_DIV        0x76 		//SDIO初始化频率，最大400Kh  
#define SDIO_TRANSFER_CLK_DIV    0x00		//SDIO传输频率，最大48Mhz(4bit)。该值太小可能会导致读写文件出错 
										 

//////////////////////////////////////////////////////////////////////////////////////////////////// 
//SDIO工作模式定义,通过SD_SetDeviceMode函数设置.
#define SD_POLLING_MODE    	0  	//查询模式,该模式下,如果读写有问题,建议增大SDIO_TRANSFER_CLK_DIV的设置.
#define SD_DMA_MODE    		1	//DMA模式,该模式下,SDIO_TRANSFER_CLK_DIV可以设置为1,单如果写入出错的话,可以考虑增大SDIO_TRANSFER_CLK_DIV的值   

typedef enum
{
/** 
  * @brief  SDIO specific error defines  
  */   
  SD_CMD_CRC_FAIL                    = (1), /*!< Command response received (but CRC check failed) */
  SD_DATA_CRC_FAIL                   = (2), /*!< Data bock sent/received (CRC check Failed) */
  SD_CMD_RSP_TIMEOUT                 = (3), /*!< Command response timeout */
  SD_DATA_TIMEOUT                    = (4), /*!< Data time out */
  SD_TX_UNDERRUN                     = (5), /*!< Transmit FIFO under-run */
  SD_RX_OVERRUN                      = (6), /*!< Receive FIFO over-run */
  SD_START_BIT_ERR                   = (7), /*!< Start bit not detected on all data signals in widE bus mode */
  SD_CMD_OUT_OF_RANGE                = (8), /*!< CMD's argument was out of range.*/
  SD_ADDR_MISALIGNED                 = (9), /*!< Misaligned address */
  SD_BLOCK_LEN_ERR                   = (10), /*!< Transferred block length is not allowed for the card or the number of transferred bytes does not match the block length */
  SD_ERASE_SEQ_ERR                   = (11), /*!< An error in the sequence of erase command occurs.*/
  SD_BAD_ERASE_PARAM                 = (12), /*!< An Invalid selection for erase groups */
  SD_WRITE_PROT_VIOLATION            = (13), /*!< Attempt to program a write protect block */
  SD_LOCK_UNLOCK_FAILED              = (14), /*!< Sequence or password error has been detected in unlock command or if there was an attempt to access a locked card */
  SD_COM_CRC_FAILED                  = (15), /*!< CRC check of the previous command failed */
  SD_ILLEGAL_CMD                     = (16), /*!< Command is not legal for the card state */
  SD_CARD_ECC_FAILED                 = (17), /*!< Card internal ECC was applied but failed to correct the data */
  SD_CC_ERROR                        = (18), /*!< Internal card controller error */
  SD_GENERAL_UNKNOWN_ERROR           = (19), /*!< General or Unknown error */
  SD_STREAM_READ_UNDERRUN            = (20), /*!< The card could not sustain data transfer in stream read operation. */
  SD_STREAM_WRITE_OVERRUN            = (21), /*!< The card could not sustain data programming in stream mode */
  SD_CID_CSD_OVERWRITE               = (22), /*!< CID/CSD overwrite error */
  SD_WP_ERASE_SKIP                   = (23), /*!< only partial address space was erased */
  SD_CARD_ECC_DISABLED               = (24), /*!< Command has been executed without using internal ECC */
  SD_ERASE_RESET                     = (25), /*!< Erase sequence was cleared before executing because an out of erase sequence command was received */
  SD_AKE_SEQ_ERROR                   = (26), /*!< Error in sequence of authentication. */
  SD_INVALID_VOLTRANGE               = (27),
  SD_ADDR_OUT_OF_RANGE               = (28),
  SD_SWITCH_ERROR                    = (29),
  SD_SDIO_DISABLED                   = (30),
  SD_SDIO_FUNCTION_BUSY              = (31),
  SD_SDIO_FUNCTION_FAILED            = (32),
  SD_SDIO_UNKNOWN_FUNCTION           = (33),

/** 
  * @brief  Standard error defines   
  */ 
  SD_INTERNAL_ERROR, 
  SD_NOT_CONFIGURED,
  SD_REQUEST_PENDING, 
  SD_REQUEST_NOT_APPLICABLE, 
  SD_INVALID_PARAMETER,  
  SD_UNSUPPORTED_FEATURE,  
  SD_UNSUPPORTED_HW,  
  SD_ERROR,  
  SD_OK = 0 
} SD_Error;

/** 
  * @brief  SDIO Transfer state  
  */   
typedef enum
{
  SD_TRANSFER_OK  = 0,
  SD_TRANSFER_BUSY = 1,
  SD_TRANSFER_ERROR
} SDTransferState;


/** 
  * @brief  SD Card States 
  */   
typedef enum
{
  SD_CARD_READY                  = ((uint32_t)0x00000001),
  SD_CARD_IDENTIFICATION         = ((uint32_t)0x00000002),
  SD_CARD_STANDBY                = ((uint32_t)0x00000003),
  SD_CARD_TRANSFER               = ((uint32_t)0x00000004),
  SD_CARD_SENDING                = ((uint32_t)0x00000005),
  SD_CARD_RECEIVING              = ((uint32_t)0x00000006),
  SD_CARD_PROGRAMMING            = ((uint32_t)0x00000007),
  SD_CARD_DISCONNECTED           = ((uint32_t)0x00000008),
  SD_CARD_ERROR                  = ((uint32_t)0x000000FF)
}SDCardState;



//SD卡CSD寄存器数据		  
/** 
  * @brief  Card Specific Data: CSD Register   
  */ 
typedef struct
{
  __IO uint8_t  CSDStruct;            /*!< CSD structure */
  __IO uint8_t  SysSpecVersion;       /*!< System specification version */
  __IO uint8_t  Reserved1;            /*!< Reserved */
  __IO uint8_t  TAAC;                 /*!< Data read access-time 1 */
  __IO uint8_t  NSAC;                 /*!< Data read access-time 2 in CLK cycles */
  __IO uint8_t  MaxBusClkFrec;        /*!< Max. bus clock frequency */
  __IO uint16_t CardComdClasses;      /*!< Card command classes */
  __IO uint8_t  RdBlockLen;           /*!< Max. read data block length */
  __IO uint8_t  PartBlockRead;        /*!< Partial blocks for read allowed */
  __IO uint8_t  WrBlockMisalign;      /*!< Write block misalignment */
  __IO uint8_t  RdBlockMisalign;      /*!< Read block misalignment */
  __IO uint8_t  DSRImpl;              /*!< DSR implemented */
  __IO uint8_t  Reserved2;            /*!< Reserved */
  __IO uint32_t DeviceSize;           /*!< Device Size */
  __IO uint8_t  MaxRdCurrentVDDMin;   /*!< Max. read current @ VDD min */
  __IO uint8_t  MaxRdCurrentVDDMax;   /*!< Max. read current @ VDD max */
  __IO uint8_t  MaxWrCurrentVDDMin;   /*!< Max. write current @ VDD min */
  __IO uint8_t  MaxWrCurrentVDDMax;   /*!< Max. write current @ VDD max */
  __IO uint8_t  DeviceSizeMul;        /*!< Device size multiplier */
  __IO uint8_t  EraseGrSize;          /*!< Erase group size */
  __IO uint8_t  EraseGrMul;           /*!< Erase group size multiplier */
  __IO uint8_t  WrProtectGrSize;      /*!< Write protect group size */
  __IO uint8_t  WrProtectGrEnable;    /*!< Write protect group enable */
  __IO uint8_t  ManDeflECC;           /*!< Manufacturer default ECC */
  __IO uint8_t  WrSpeedFact;          /*!< Write speed factor */
  __IO uint8_t  MaxWrBlockLen;        /*!< Max. write data block length */
  __IO uint8_t  WriteBlockPaPartial;  /*!< Partial blocks for write allowed */
  __IO uint8_t  Reserved3;            /*!< Reserded */
  __IO uint8_t  ContentProtectAppli;  /*!< Content protection application */
  __IO uint8_t  FileFormatGrouop;     /*!< File format group */
  __IO uint8_t  CopyFlag;             /*!< Copy flag (OTP) */
  __IO uint8_t  PermWrProtect;        /*!< Permanent write protection */
  __IO uint8_t  TempWrProtect;        /*!< Temporary write protection */
  __IO uint8_t  FileFormat;           /*!< File Format */
  __IO uint8_t  ECC;                  /*!< ECC code */
  __IO uint8_t  CSD_CRC;              /*!< CSD CRC */
  __IO uint8_t  Reserved4;            /*!< always 1*/
} SD_CSD;
//SD卡CID寄存器数据
typedef struct
{
  __IO uint8_t  ManufacturerID;       /*!< ManufacturerID */
  __IO uint16_t OEM_AppliID;          /*!< OEM/Application ID */
  __IO uint32_t ProdName1;            /*!< Product Name part1 */
  __IO uint8_t  ProdName2;            /*!< Product Name part2*/
  __IO uint8_t  ProdRev;              /*!< Product Revision */
  __IO uint32_t ProdSN;               /*!< Product Serial Number */
  __IO uint8_t  Reserved1;            /*!< Reserved1 */
  __IO uint16_t ManufactDate;         /*!< Manufacturing Date */
  __IO uint8_t  CID_CRC;              /*!< CID CRC */
  __IO uint8_t  Reserved2;            /*!< always 1 */
} SD_CID;

typedef struct
{
  __IO uint8_t DAT_BUS_WIDTH;
  __IO uint8_t SECURED_MODE;
  __IO uint16_t SD_CARD_TYPE;
  __IO uint32_t SIZE_OF_PROTECTED_AREA;
  __IO uint8_t SPEED_CLASS;
  __IO uint8_t PERFORMANCE_MOVE;
  __IO uint8_t AU_SIZE;
  __IO uint16_t ERASE_SIZE;
  __IO uint8_t ERASE_TIMEOUT;
  __IO uint8_t ERASE_OFFSET;
} SD_CardStatus;



//SD卡信息,包括CSD,CID等数据
typedef struct
{
  SD_CSD SD_csd;
  SD_CID SD_cid;
  long long CardCapacity;  	//SD卡容量,单位:字节,最大支持2^64字节大小的卡.
  uint32_t CardBlockSize; 		//SD卡块大小	
  uint16_t RCA;					//卡相对地址
  uint8_t CardType;				//卡类型
} SD_CardInfo;


extern SD_CardInfo SDCardInfo;//SD卡信息			 
////////////////////////////////////////////////////////////////////////////////////////////////////
//SDIO 指令集
#define SD_CMD_GO_IDLE_STATE                       ((u8)0)
#define SD_CMD_SEND_OP_COND                        ((u8)1)
#define SD_CMD_ALL_SEND_CID                        ((u8)2)
#define SD_CMD_SET_REL_ADDR                        ((u8)3) /*!< SDIO_SEND_REL_ADDR for SD Card */
#define SD_CMD_SET_DSR                             ((u8)4)
#define SD_CMD_SDIO_SEN_OP_COND                    ((u8)5)
#define SD_CMD_HS_SWITCH                           ((u8)6)
#define SD_CMD_SEL_DESEL_CARD                      ((u8)7)
#define SD_CMD_HS_SEND_EXT_CSD                     ((u8)8)
#define SD_CMD_SEND_CSD                            ((u8)9)
#define SD_CMD_SEND_CID                            ((u8)10)
#define SD_CMD_READ_DAT_UNTIL_STOP                 ((u8)11) /*!< SD Card doesn't support it */
#define SD_CMD_STOP_TRANSMISSION                   ((u8)12)
#define SD_CMD_SEND_STATUS                         ((u8)13)
#define SD_CMD_HS_BUSTEST_READ                     ((u8)14)
#define SD_CMD_GO_INACTIVE_STATE                   ((u8)15)
#define SD_CMD_SET_BLOCKLEN                        ((u8)16)
#define SD_CMD_READ_SINGLE_BLOCK                   ((u8)17)
#define SD_CMD_READ_MULT_BLOCK                     ((u8)18)
#define SD_CMD_HS_BUSTEST_WRITE                    ((u8)19)
#define SD_CMD_WRITE_DAT_UNTIL_STOP                ((u8)20) 
#define SD_CMD_SET_BLOCK_COUNT                     ((u8)23) 
#define SD_CMD_WRITE_SINGLE_BLOCK                  ((u8)24)
#define SD_CMD_WRITE_MULT_BLOCK                    ((u8)25)
#define SD_CMD_PROG_CID                            ((u8)26)
#define SD_CMD_PROG_CSD                            ((u8)27)
#define SD_CMD_SET_WRITE_PROT                      ((u8)28)
#define SD_CMD_CLR_WRITE_PROT                      ((u8)29)
#define SD_CMD_SEND_WRITE_PROT                     ((u8)30)
#define SD_CMD_SD_ERASE_GRP_START                  ((u8)32) /*!< To set the address of the first write
                                                                  block to be erased. (For SD card only) */
#define SD_CMD_SD_ERASE_GRP_END                    ((u8)33) /*!< To set the address of the last write block of the
                                                                  continuous range to be erased. (For SD card only) */
#define SD_CMD_ERASE_GRP_START                     ((u8)35) /*!< To set the address of the first write block to be erased.
                                                                  (For MMC card only spec 3.31) */

#define SD_CMD_ERASE_GRP_END                       ((u8)36) /*!< To set the address of the last write block of the
                                                                  continuous range to be erased. (For MMC card only spec 3.31) */

#define SD_CMD_ERASE                               ((u8)38)
#define SD_CMD_FAST_IO                             ((u8)39) /*!< SD Card doesn't support it */
#define SD_CMD_GO_IRQ_STATE                        ((u8)40) /*!< SD Card doesn't support it */
#define SD_CMD_LOCK_UNLOCK                         ((u8)42)
#define SD_CMD_APP_CMD                             ((u8)55)
#define SD_CMD_GEN_CMD                             ((u8)56)
#define SD_CMD_NO_CMD                              ((u8)64)

/** 
  * @brief Following commands are SD Card Specific commands.
  *        SDIO_APP_CMD ：CMD55 should be sent before sending these commands. 
  */
#define SD_CMD_APP_SD_SET_BUSWIDTH                 ((u8)6)  /*!< For SD Card only */
#define SD_CMD_SD_APP_STAUS                        ((u8)13) /*!< For SD Card only */
#define SD_CMD_SD_APP_SEND_NUM_WRITE_BLOCKS        ((u8)22) /*!< For SD Card only */
#define SD_CMD_SD_APP_OP_COND                      ((u8)41) /*!< For SD Card only */
#define SD_CMD_SD_APP_SET_CLR_CARD_DETECT          ((u8)42) /*!< For SD Card only */
#define SD_CMD_SD_APP_SEND_SCR                     ((u8)51) /*!< For SD Card only */
#define SD_CMD_SDIO_RW_DIRECT                      ((u8)52) /*!< For SD I/O Card only */
#define SD_CMD_SDIO_RW_EXTENDED                    ((u8)53) /*!< For SD I/O Card only */

/** 
  * @brief Following commands are SD Card Specific security commands.
  *        SDIO_APP_CMD should be sent before sending these commands. 
  */
#define SD_CMD_SD_APP_GET_MKB                      ((u8)43) /*!< For SD Card only */
#define SD_CMD_SD_APP_GET_MID                      ((u8)44) /*!< For SD Card only */
#define SD_CMD_SD_APP_SET_CER_RN1                  ((u8)45) /*!< For SD Card only */
#define SD_CMD_SD_APP_GET_CER_RN2                  ((u8)46) /*!< For SD Card only */
#define SD_CMD_SD_APP_SET_CER_RES2                 ((u8)47) /*!< For SD Card only */
#define SD_CMD_SD_APP_GET_CER_RES1                 ((u8)48) /*!< For SD Card only */
#define SD_CMD_SD_APP_SECURE_READ_MULTIPLE_BLOCK   ((u8)18) /*!< For SD Card only */
#define SD_CMD_SD_APP_SECURE_WRITE_MULTIPLE_BLOCK  ((u8)25) /*!< For SD Card only */
#define SD_CMD_SD_APP_SECURE_ERASE                 ((u8)38) /*!< For SD Card only */
#define SD_CMD_SD_APP_CHANGE_SECURE_AREA           ((u8)49) /*!< For SD Card only */
#define SD_CMD_SD_APP_SECURE_WRITE_MKB             ((u8)48) /*!< For SD Card only */
  			   
//支持的SD卡定义
#define SDIO_STD_CAPACITY_SD_CARD_V1_1             ((u32)0x00000000)
#define SDIO_STD_CAPACITY_SD_CARD_V2_0             ((u32)0x00000001)
#define SDIO_HIGH_CAPACITY_SD_CARD                 ((u32)0x00000002)
#define SDIO_MULTIMEDIA_CARD                       ((u32)0x00000003)
#define SDIO_SECURE_DIGITAL_IO_CARD                ((u32)0x00000004)
#define SDIO_HIGH_SPEED_MULTIMEDIA_CARD            ((u32)0x00000005)
#define SDIO_SECURE_DIGITAL_IO_COMBO_CARD          ((u32)0x00000006)
#define SDIO_HIGH_CAPACITY_MMC_CARD                ((u32)0x00000007)



//SDIO相关参数定义
#define NULL 0
#define SDIO_STATIC_FLAGS               ((u32)0x000005FF)
#define SDIO_CMD0TIMEOUT                ((u32)0x00010000)	  
#define SDIO_DATATIMEOUT                ((u32)0xFFFFFFFF)	  
#define SDIO_FIFO_Address               ((u32)0x40018080)

//Mask for errors Card Status R1 (OCR Register)  
#define SD_OCR_ADDR_OUT_OF_RANGE        ((u32)0x80000000)
#define SD_OCR_ADDR_MISALIGNED          ((u32)0x40000000)
#define SD_OCR_BLOCK_LEN_ERR            ((u32)0x20000000)
#define SD_OCR_ERASE_SEQ_ERR            ((u32)0x10000000)
#define SD_OCR_BAD_ERASE_PARAM          ((u32)0x08000000)
#define SD_OCR_WRITE_PROT_VIOLATION     ((u32)0x04000000)
#define SD_OCR_LOCK_UNLOCK_FAILED       ((u32)0x01000000)
#define SD_OCR_COM_CRC_FAILED           ((u32)0x00800000)
#define SD_OCR_ILLEGAL_CMD              ((u32)0x00400000)
#define SD_OCR_CARD_ECC_FAILED          ((u32)0x00200000)
#define SD_OCR_CC_ERROR                 ((u32)0x00100000)
#define SD_OCR_GENERAL_UNKNOWN_ERROR    ((u32)0x00080000)
#define SD_OCR_STREAM_READ_UNDERRUN     ((u32)0x00040000)
#define SD_OCR_STREAM_WRITE_OVERRUN     ((u32)0x00020000)
#define SD_OCR_CID_CSD_OVERWRIETE       ((u32)0x00010000)
#define SD_OCR_WP_ERASE_SKIP            ((u32)0x00008000)
#define SD_OCR_CARD_ECC_DISABLED        ((u32)0x00004000)
#define SD_OCR_ERASE_RESET              ((u32)0x00002000)
#define SD_OCR_AKE_SEQ_ERROR            ((u32)0x00000008)
#define SD_OCR_ERRORBITS                ((u32)0xFDFFE008)

//Masks for R6 Response 
#define SD_R6_GENERAL_UNKNOWN_ERROR     ((u32)0x00002000)
#define SD_R6_ILLEGAL_CMD               ((u32)0x00004000)
#define SD_R6_COM_CRC_FAILED            ((u32)0x00008000)

#define SD_VOLTAGE_WINDOW_SD            ((u32)0x80100000)
#define SD_HIGH_CAPACITY                ((u32)0x40000000)
#define SD_STD_CAPACITY                 ((u32)0x00000000)
#define SD_CHECK_PATTERN                ((u32)0x000001AA)
#define SD_VOLTAGE_WINDOW_MMC           ((u32)0x80FF8000)

#define SD_MAX_VOLT_TRIAL               ((u32)0x0000FFFF)
#define SD_ALLZERO                      ((u32)0x00000000)

#define SD_WIDE_BUS_SUPPORT             ((u32)0x00040000)
#define SD_SINGLE_BUS_SUPPORT           ((u32)0x00010000)
#define SD_CARD_LOCKED                  ((u32)0x02000000)
#define SD_CARD_PROGRAMMING             ((u32)0x00000007)
#define SD_CARD_RECEIVING               ((u32)0x00000006)
#define SD_DATATIMEOUT                  ((u32)0xFFFFFFFF)
#define SD_0TO7BITS                     ((u32)0x000000FF)
#define SD_8TO15BITS                    ((u32)0x0000FF00)
#define SD_16TO23BITS                   ((u32)0x00FF0000)
#define SD_24TO31BITS                   ((u32)0xFF000000)
#define SD_MAX_DATA_LENGTH              ((u32)0x01FFFFFF)

#define SD_HALFFIFO                     ((u32)0x00000008)
#define SD_HALFFIFOBYTES                ((u32)0x00000020)

//Command Class Supported  
#define SD_CCCC_LOCK_UNLOCK             ((u32)0x00000080)
#define SD_CCCC_WRITE_PROT              ((u32)0x00000040)
#define SD_CCCC_ERASE                   ((u32)0x00000020)
																	 
																	 
																	 
//CMD8指令
#define SDIO_SEND_IF_COND               ((u32)0x00000008)
////////////////////////////////////////////////////////////////////////////////////////////////////
//相关函数定义
SD_Error SD_Init(void);
void SDIO_Clock_Set(u8 clkdiv);
SD_Error SD_PowerON(void);    
SD_Error SD_PowerOFF(void);
SD_Error SD_InitializeCards(void);
SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo);		  
SD_Error SD_EnableWideBusOperation(u32 wmode);
SD_Error SD_SetDeviceMode(u32 mode);
SD_Error SD_SelectDeselect(u32 addr); 

SD_Error SD_ReadBlock(u8 *buf,long long addr,u16 blksize);  
SD_Error SD_ReadMultiBlocks(u8 *buf,long long  addr,u16 blksize,u32 nblks);  
SD_Error SD_WriteBlock(u8 *buf,long long addr,  u16 blksize);	
SD_Error SD_WriteMultiBlocks(u8 *buf,long long addr,u16 blksize,u32 nblks);
SD_Error SD_ProcessIRQSrc(void);
void SD_DMA_Config(u32*mbuf,u32 bufsize,u32 dir); 

u8 SD_ReadDisk(u8*buf,u32 sector,u8 cnt); 	//读SD卡,fatfs/usb调用
u8 SD_WriteDisk(u8*buf,u32 sector,u8 cnt);	//写SD卡,fatfs/usb调用


#endif 





