capture.h

本程序为ST公司开发的源代码

    uint16 input_buffer_size;
    uint16 input_sector_size;
    uint16 warning_overflow_thrs;
    uint16 warning_underflow_thrs;
  } esp_params;
} t_cap_config;

/*---------------------------------------------------------------------------*/
/*!\brief Capture Task Input/Output Events Structures and generic defs       */
/*---------------------------------------------------------------------------*/

typedef enum cap_state
{
  CAP_STATE_NONE = 0,
  CAP_STATE_INIT,
  CAP_STATE_INIT_FOR_NEW_MEDIA,
  CAP_STATE_STOP,
  CAP_STATE_START,
  CAP_STATE_SET_SPEED,
  CAP_STATE_PAUSE,
  CAP_STATE_TOC_JUMP,
  CAP_STATE_WRITE_DATA,
  CAP_STATE_READ_DATA,
  CAP_STATE_ERROR,
  CAP_STATE_IDLE
} t_cap_state;


typedef enum cap_transition_state
{
  CAP_STATE_INIT_TRANSITION,
  CAP_STATE_XFER_STOP,
  CAP_STATE_XFER_STOP_CHECK,
  CAP_STATE_XFER_EVAL,
  CAP_STATE_XFER_START,
  CAP_STATE_XFER_CHECK,
  CAP_STATE_XFER_CONTINUE,
  CAP_STATE_XFER_END,
  CAP_STATE_XFER_ESP_START,
  CAP_STATE_XFER_ESP_OVERFLOW,
  CAP_STATE_XFER_ESP_MEDIA_PAUSE,
  CAP_STATE_XFER_ESP_PAUSE,
  CAP_STATE_XFER_ESP_WAIT,
  CAP_STATE_XFER_IDLE,
  CAP_STATE_INTERNAL_ERROR
} t_cap_transition_state;


typedef struct cap_esp
{
  uint8      data_type;
  uint32     last_good_lba;
  int16      last_good_ptr;
  int16      xfer_pointer;
  t_lba      xfer_sector_start; // [FH] 06/Apl/2007
  t_lba      xfer_sector_end;
  uint8      xfer_condition;
  uint8      xfer_chunk_level;
} t_cap_esp;


/* capture status */
typedef struct cap_status
{
  t_cap_state state;

  t_cap_transition_state write_state;
  t_cap_transition_state read_state;
  t_cap_transition_state forward_state;
  t_cap_transition_state error_state;

  t_cap_esp write;
  t_cap_esp read;

  struct
  {
    RETVAL fsm_result;
    RETVAL error_reason;
  } result;

  struct
  {
    UInt g_retries       : 8;
    UInt g_servo_retries : 4;
    UInt g_good_sectors  : 3;
    UInt g_bd_sector_it  : 8;
    UInt chk_lba         : 8; /* To count invalid sector on CDDA [FH] 25/Sep/2007 */
    t_lba g_good_lba; /* [FH] 13/Apl/2007 */     
  } count;

  struct
  {
    UInt transition    : 1;
    UInt continue_xfer : 1;
  } flags;
} t_cap_status;

/* capture command event */
struct t_init_event
{
  UInt unused : 32;
};

struct t_init_for_new_media_event
{
  UInt unused : 32;
};

struct t_stop_event
{
  UInt force_execution : 1;
  UInt unused          : 31;
};

struct t_start_event
{
  UInt unused : 32;
};

typedef uint8 t_capture_set_speed_event;

#define t_pause_event    SEEK_STRUCT_SID

#define t_toc_jump_event TOC_JUMP_STRUCT

/* unbuffered path, if needed */
#define t_seek_event     SEEK_STRUCT_SID


typedef enum
{
  CAP_DATA_REQUEST,
  CAP_SECTOR_REQUEST,
  CAP_SYNC_SECTOR_REQUEST,
  CAP_HEADER_SECTOR_REQUEST,
  CAP_SB_HDR_SECTOR_REQUEST,
  CAP_SECTOR_TRAILER_REQUEST  
}t_cap_header_trailer;//DR060926a


typedef struct read_event
{
  uint8  *dest;
  uint16 offset;
  uint32 count;
  uint32 Sector_Read;
  t_cap_header_trailer Header_Trailer; //DR060926a  
} t_cap_read_event;

/*Header_Trailer Read Commands
Header_Trailer = 0 ;Only data is requested
Header_Trailer = 1 ;Complete sector is requested
Header_Trailer = 2 ;Sync with data is requested
Header_Trailer = 3 ;Header with data is requested
Header_Trailer = 4 ;Sub-header with data is requested
Header_Trailer = 5 ;Data with trailer is requested
Header_Trailer = 6 ;Only data is requested
Header_Trailer = 7 ;Only data is requested
*/

typedef struct write_event
{
  t_lba     sector_start;
  t_lba     sector_stop;
  uint8     start_mode;
  uint8     end_mode;
  uint8     data_mode;
  UInt      data_type       : 4;
  UInt      force_execution : 1;
  UInt      Play_Mode :1;//DR060912 (if 1 then Access Buffer in Play Mode otherwsie ROM Mode)
  UInt      dont_ignore_first_track_change : 1;
  UInt      FB_mode : 1;  
  UInt      update_process : 1;
  uint8     cur_TNO;  
} t_write_event;

typedef enum
{
  CAP_CMD_NONE = NO_EVENT,
  CAP_CMD_INIT,
  CAP_CMD_INIT_FOR_NEW_MEDIA,
  CAP_CMD_STOP,
  CAP_CMD_START,
  CAP_CMD_SET_SPEED,
  CAP_CMD_PAUSE,
  CAP_CMD_TOC_JUMP,
  CAP_CMD_XFER_DATA,
  /* unbuffered path, if needed */
  CAP_CMD_SEEK
} t_cap_command;


typedef struct cap_cmd_event
{
  t_duid did;
  t_cap_command command;
  union
  {
    struct t_init_event                init_params;
    struct t_init_for_new_media_event  init_for_new_media_params;
    struct t_stop_event                stop_params;
    struct t_start_event               start_params;
    t_capture_set_speed_event          set_speed_params;
    t_pause_event                      pause_params;
    t_write_event                      xfer_params;
    t_toc_jump_event                   toc_jump_params;

    /* unbuffered path, if needed */
    t_seek_event                       seek_params;
  } command_params;
} t_cap_cmd_event;


/* buffer structure */
struct t_cap_block_fl
{
  t_lba     lba;
  uint16    pos;
};

struct t_cap_block_cu
{
  t_lba     lba;
  uint16    pos;
  uint16    first_byte;
};

typedef struct cap_esp_buf
{
  struct t_cap_block_fl first;
  struct t_cap_block_fl last;
  UInt                  fill : 1;
} t_cap_esp_buf;

#define t_capture_subcode_event t_acq_subcode_event

typedef struct
{
  uint8 DataType;
  uint8 b1;
  uint8 b2;
  uint8 b3;
  uint8 b4;
  uint8 SubcodeStatus;
  uint16 SectorFlags;
} BLOCK_INFO_STRUCT;


/*---------------------------------------------------------------------------*/
/*!\brief capture functions                                                  */
/*---------------------------------------------------------------------------*/
void cap_fsm_init(void);
void cap_update_config(void);
RETVAL cap_cmd(t_cap_cmd_event *cmd_event);
RETVAL cap_read_cmd(t_cap_read_event *cmd_event);
void cap_esp_write_controller_update_isr(void);

extern uint8        new_cap_config;
extern t_cap_config cap_config;
extern int16        cap_esp_margin;

extern t_cap_esp_buf cap_esp_buf;

#if (0 == HAVE_SHOCK_MEMORY)
extern uint8 cap_input_buffer_IntRAM[];
#else
extern t_cap_cmd_event cap_cmd_event;
extern uint8 *cap_input_buffer_SDRAM;
extern uint16 CAP_CHIN_SECTOR_SIZE;
extern uint16 CAP_INPUT_BUFFER_SIZE_SDRAM;
#endif

extern tQsubcode_event capture_subcode_event[];
#endif

/******************************************************************************
*******************************************************************************/