nf_drv.h

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  #define NF_SIZE               (Uint16)(2048)
  #define NF_ZONE_MAX           (Byte)(4)
  #define NF_SECTOR_SIZE        (Uint32)(1023999)
  #define NF_5_CYCLE_ADDRESS    (1)
  #endif

  #ifndef NF_TYPE
    #error NF capacity must be defined in board.h
  #endif

  #define NF_ZONE_MAX_CPT         NF_ZONE_MAX
  #define NF_5_CYCLE_ADDRESS_BIT  NF_5_CYCLE_ADDRESS  

#endif

/* SCSI DEFINITION FOR SMARTMEDIA */
#define NF_BLOCK_SIZE     ((Uint32)(2048))
#define NF_DISK_SIZE      ((Uint32)(NF_SECTOR_SIZE))

/* Low Level routine */
#define Nf_rd_byte()                (nf_data)
#define Nf_wr_byte(b)               (nf_data = b)
#define Nf_send_command(command)    (nf_send_cmd = command)
#define Nf_send_address(address)    (nf_send_add = address)


#if NF_CAPACITY_AUTO_DETECT
  #define Nf_write_open(address_sector)                                           \
          Nf_send_command (NF_SEQUENTIAL_DATA_INPUT_CMD);                       \
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( 0x00 );                                             \
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          if (NF_5_CYCLE_ADDRESS_BIT)                                           \
            Nf_send_address ( ((Byte*)&address_sector)[1] )
    
    #define Nf_read_open(address_sector)                                        \
          Nf_send_command (NF_READ_CMD);                                        \
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          if (NF_5_CYCLE_ADDRESS_BIT)                                           \
            Nf_send_address ( ((Byte*)&address_sector)[1] );                    \
          Nf_send_command (NF_READ_CMD2);                                       \
          Nf_wait_busy()
    
    #define Nf_read_open_spare_area(address_sector, nb_byte)                    \
          Nf_send_command (NF_READ_CMD);                                        \
          Nf_send_address ( nb_byte );                                          \
          Nf_send_address ( NF_SPARE_PAGE );                                    \
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          if (NF_5_CYCLE_ADDRESS_BIT)                                           \
            Nf_send_address ( ((Byte*)&address_sector)[1] );                    \
          Nf_send_command (NF_READ_CMD2);                                       \
          Nf_wait_busy()
    
    #define Nf_write_open_spare_area(address_sector, nb_byte)                   \
          Nf_send_command (NF_SEQUENTIAL_DATA_INPUT_CMD);                       \
          Nf_send_address ( nb_byte );                                          \
          Nf_send_address ( NF_SPARE_PAGE );                                    \ 
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          if (NF_5_CYCLE_ADDRESS_BIT)                                           \
            Nf_send_address ( ((Byte*)&address_sector)[1] )
#else

  #if NF_5_CYCLE_ADDRESS == 0
  
    #define Nf_write_open(address_sector)                                       \
          Nf_send_command (NF_SEQUENTIAL_DATA_INPUT_CMD);                       \
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( 0x00 );                                             \
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] )
    
    #define Nf_read_open(address_sector)                                        \
          Nf_send_command (NF_READ_CMD);                                        \
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          Nf_send_command (NF_READ_CMD2);                                       \
          Nf_wait_busy()
    
    #define Nf_read_open_spare_area(address_sector, nb_byte)                    \
          Nf_send_command (NF_READ_CMD);                                        \
          Nf_send_address ( nb_byte );                                          \
          Nf_send_address ( NF_SPARE_PAGE );                                    \
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          Nf_send_command (NF_READ_CMD2);                                       \
          Nf_wait_busy()
    
    #define Nf_write_open_spare_area(address_sector, nb_byte)                   \
          Nf_send_command (NF_SEQUENTIAL_DATA_INPUT_CMD);                       \
          Nf_send_address ( nb_byte );                                          \
          Nf_send_address ( NF_SPARE_PAGE );                                    \ 
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] )
  
  #else
  
    #define Nf_write_open(address_sector)                                       \
          Nf_send_command (NF_SEQUENTIAL_DATA_INPUT_CMD);                       \
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( 0x00 );                                             \
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[1] )
    
    #define Nf_read_open(address_sector)                                        \
          Nf_send_command (NF_READ_CMD);                                        \
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( 0x00 );                                             \        
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[1] );                      \
          Nf_send_command (NF_READ_CMD2);                                       \
          Nf_wait_busy()
    
    #define Nf_read_open_spare_area(address_sector, nb_byte)                    \
          Nf_send_command (NF_READ_CMD);                                        \
          Nf_send_address ( nb_byte );                                          \
          Nf_send_address ( NF_SPARE_PAGE );                                    \
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[1] );                      \
          Nf_send_command (NF_READ_CMD2);                                       \
          Nf_wait_busy()
    
    #define Nf_write_open_spare_area(address_sector, nb_byte)                   \
          Nf_send_command (NF_SEQUENTIAL_DATA_INPUT_CMD);                       \
          Nf_send_address ( nb_byte );                                          \
          Nf_send_address ( NF_SPARE_PAGE );                                    \ 
          Nf_send_address ( ((Byte*)&address_sector)[3] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[2] );                      \
          Nf_send_address ( ((Byte*)&address_sector)[1] )
  #endif
#endif

/*_____ D E C L A R A T I O N ______________________________________________*/
extern  void  nf_init_buffer(void);                 /* Initialize the buffer gl_buffer with 0xFF */
extern  void  nf_download_buffer(void);     /* Copy the content of gl_buffer on the card */
extern  void  nf_upload_buffer(void);       /* Load the content of the card on gl_buffer */

void  nf_copy_block_head(void);             /* Copy the first sectors of a block */
void  nf_copy_block_tail(void);             /* Copy the last sectors of a block */
void  nf_reassign_block(void);              /* reassign the physical block on the look up table */
bit   nf_block_erase (Uint32);              /* Erase one block */
bit   nf_erase_all_block(void);             /* Erase all block */
void  nf_init_spare(void);                  /* Init the first redundant data of a block */
void  nf_calc_logical_block();              /* Calulate the value of logical block in spare area */
void  nf_update_spare_data(void);           /* Write only the redundant information */
bit   nf_read_spare_byte(void);             /* LUT generation */


#endif /* _NF_DRV_H_ */