/**
  ******************************************************************************
  * @file    stm320518_eval_spi_sd.h
  * @author  MCD Application Team
  * @version V1.1.1
  * @date    16-January-2014
  * @brief   This file contains all the functions prototypes for the stm320518_eval_spi_sd
  *          firmware driver.
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; COPYRIGHT 2014 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 __STM320518_EVAL_SPI_SD_H
#define __STM320518_EVAL_SPI_SD_H

#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm320518_eval.h"

/** @addtogroup Utilities
  * @{
  */
  
/** @addtogroup STM32_EVAL
  * @{
  */

/** @addtogroup STM320518_EVAL
  * @{
  */

/** @addtogroup STM320518_EVAL_SPI_SD
  * @{
  */  

/* Exported types ------------------------------------------------------------*/
typedef enum
{
/**
  * @brief  SD responses and error flags
  */
  SD_RESPONSE_NO_ERROR      = (0x00),
  SD_IN_IDLE_STATE          = (0x01),
  SD_ERASE_RESET            = (0x02),
  SD_ILLEGAL_COMMAND        = (0x04),
  SD_COM_CRC_ERROR          = (0x08),
  SD_ERASE_SEQUENCE_ERROR   = (0x10),
  SD_ADDRESS_ERROR          = (0x20),
  SD_PARAMETER_ERROR        = (0x40),
  SD_RESPONSE_FAILURE       = (0xFF),

/**
  * @brief  Data response error
  */
  SD_DATA_OK                = (0x05),
  SD_DATA_CRC_ERROR         = (0x0B),
  SD_DATA_WRITE_ERROR       = (0x0D),
  SD_DATA_OTHER_ERROR       = (0xFF)
} SD_Error;

/** 
  * @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;

/** 
  * @brief  Card Identification Data: CID Register   
  */
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;

/** 
  * @brief SD Card information 
  */
typedef struct
{
  SD_CSD SD_csd;
  SD_CID SD_cid;
  uint32_t CardCapacity;  /* Card Capacity */
  uint32_t CardBlockSize; /* Card Block Size */
} SD_CardInfo;

/* Exported constants --------------------------------------------------------*/
    
/**
  * @brief  Block Size
  */
#define SD_BLOCK_SIZE    0x200

/**
  * @brief  Dummy byte
  */
#define SD_DUMMY_BYTE   0xFF

/**
  * @brief  Start Data tokens:
  *         Tokens (necessary because at nop/idle (and CS active) only 0xff is 
  *         on the data/command line)  
  */
#define SD_START_DATA_SINGLE_BLOCK_READ    0xFE  /* Data token start byte, Start Single Block Read */
#define SD_START_DATA_MULTIPLE_BLOCK_READ  0xFE  /* Data token start byte, Start Multiple Block Read */
#define SD_START_DATA_SINGLE_BLOCK_WRITE   0xFE  /* Data token start byte, Start Single Block Write */
#define SD_START_DATA_MULTIPLE_BLOCK_WRITE 0xFD  /* Data token start byte, Start Multiple Block Write */
#define SD_STOP_DATA_MULTIPLE_BLOCK_WRITE  0xFD  /* Data toke stop byte, Stop Multiple Block Write */

/**
  * @brief  SD detection on its memory slot
  */
#define SD_PRESENT        ((uint8_t)0x01)
#define SD_NOT_PRESENT    ((uint8_t)0x00)


/**
  * @brief  Commands: CMDxx = CMD-number | 0x40
  */
#define SD_CMD_GO_IDLE_STATE          0   /*!< CMD0 = 0x40 */
#define SD_CMD_SEND_OP_COND           1   /*!< CMD1 = 0x41 */
#define SD_CMD_SEND_CSD               9   /*!< CMD9 = 0x49 */
#define SD_CMD_SEND_CID               10  /*!< CMD10 = 0x4A */
#define SD_CMD_STOP_TRANSMISSION      12  /*!< CMD12 = 0x4C */
#define SD_CMD_SEND_STATUS            13  /*!< CMD13 = 0x4D */
#define SD_CMD_SET_BLOCKLEN           16  /*!< CMD16 = 0x50 */
#define SD_CMD_READ_SINGLE_BLOCK      17  /*!< CMD17 = 0x51 */
#define SD_CMD_READ_MULT_BLOCK        18  /*!< CMD18 = 0x52 */
#define SD_CMD_SET_BLOCK_COUNT        23  /*!< CMD23 = 0x57 */
#define SD_CMD_WRITE_SINGLE_BLOCK     24  /*!< CMD24 = 0x58 */
#define SD_CMD_WRITE_MULT_BLOCK       25  /*!< CMD25 = 0x59 */
#define SD_CMD_PROG_CSD               27  /*!< CMD27 = 0x5B */
#define SD_CMD_SET_WRITE_PROT         28  /*!< CMD28 = 0x5C */
#define SD_CMD_CLR_WRITE_PROT         29  /*!< CMD29 = 0x5D */
#define SD_CMD_SEND_WRITE_PROT        30  /*!< CMD30 = 0x5E */
#define SD_CMD_SD_ERASE_GRP_START     32  /*!< CMD32 = 0x60 */
#define SD_CMD_SD_ERASE_GRP_END       33  /*!< CMD33 = 0x61 */
#define SD_CMD_UNTAG_SECTOR           34  /*!< CMD34 = 0x62 */
#define SD_CMD_ERASE_GRP_START        35  /*!< CMD35 = 0x63 */
#define SD_CMD_ERASE_GRP_END          36  /*!< CMD36 = 0x64 */
#define SD_CMD_UNTAG_ERASE_GROUP      37  /*!< CMD37 = 0x65 */
#define SD_CMD_ERASE                  38  /*!< CMD38 = 0x66 */
  
/* Exported macro ------------------------------------------------------------*/
/** 
  * @brief  Select SD Card: ChipSelect pin low   
  */  
#define SD_CS_LOW()     GPIO_ResetBits(SD_CS_GPIO_PORT, SD_CS_PIN)
/** 
  * @brief  Deselect SD Card: ChipSelect pin high   
  */ 
#define SD_CS_HIGH()    GPIO_SetBits(SD_CS_GPIO_PORT, SD_CS_PIN)

/* Exported functions ------------------------------------------------------- */ 
void SD_DeInit(void);  
SD_Error SD_Init(void);
uint8_t SD_Detect(void);
SD_Error SD_GetCardInfo(SD_CardInfo *cardinfo);
SD_Error SD_ReadBlock(uint8_t* pBuffer, uint32_t ReadAddr, uint16_t BlockSize);
SD_Error SD_ReadMultiBlocks(uint8_t* pBuffer, uint32_t ReadAddr, uint16_t BlockSize, uint32_t NumberOfBlocks);
SD_Error SD_WriteBlock(uint8_t* pBuffer, uint32_t WriteAddr, uint16_t BlockSize);
SD_Error SD_WriteMultiBlocks(uint8_t* pBuffer, uint32_t WriteAddr, uint16_t BlockSize, uint32_t NumberOfBlocks);
SD_Error SD_GetCSDRegister(SD_CSD* SD_csd);
SD_Error SD_GetCIDRegister(SD_CID* SD_cid);

void SD_SendCmd(uint8_t Cmd, uint32_t Arg, uint8_t Crc);
SD_Error SD_GetResponse(uint8_t Response);
uint8_t SD_GetDataResponse(void);
SD_Error SD_GoIdleState(void);
uint16_t SD_GetStatus(void);

uint8_t SD_WriteByte(uint8_t byte);
uint8_t SD_ReadByte(void);

#ifdef __cplusplus
}
#endif

#endif /* __STM320518_EVAL_SPI_SD_H */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */

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