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/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef FILEIO_H
#define FILEIO_H
#define FILEIO_MAX_ERROR_STRING (128)
/* make buffering of complete intel-hex format files optional
* to account for resource-limited hosts
*/
#define FILEIO_BUFFER_COMPLETE_IHEX
#include <sys/stat.h>
enum fileio_pri_type
{
FILEIO_TEXT = 0x1,
FILEIO_IMAGE = 0x2,
};
enum fileio_sec_type
{
FILEIO_PLAIN = 0x10,
FILEIO_IHEX = 0x20,
/*
* Possible future enhancements:
* FILEIO_ELF,
* FILEIO_SRECORD,
*/
};
enum fileio_location
{
FILEIO_LOCAL,
/*
* Possible future enhancements:
* FILEIO_NFS,
* FILEIO_BOOTP,
* FILEIO_[XYZ]MODEM,
* FILEIO_HTTP,
* FILEIO_FTP,
*/
};
enum fileio_access
{
FILEIO_READ, /* open for reading, position at beginning */
FILEIO_WRITE, /* open for writing, position at beginning */
FILEIO_READWRITE, /* open for writing, position at beginning, allow reading */
FILEIO_APPEND, /* open for writing, position at end */
FILEIO_APPENDREAD, /* open for writing, position at end, allow reading */
};
typedef struct fileio_s
{
char *url;
char error_str[FILEIO_MAX_ERROR_STRING];
long long size;
enum fileio_pri_type pri_type;
enum fileio_sec_type sec_type;
enum fileio_location location;
enum fileio_access access;
void *location_private;
void *pri_type_private;
void *sec_type_private;
} fileio_t;
typedef struct fileio_text_s
{
} fileio_text_t;
typedef struct fileio_image_s
{
u32 base_address;
int has_start_address;
u32 start_address;
} fileio_image_t;
typedef struct fileio_local_s
{
FILE *file;
struct stat file_stat;
} fileio_local_t;
typedef struct fileio_ihex_s
{
u32 position;
u32 raw_size;
#ifdef FILEIO_BUFFER_COMPLETE_IHEX
u8 *buffer;
#endif
} fileio_ihex_t;
extern int fileio_identify_image_type(enum fileio_sec_type *sec_type, char *type_string);
extern int fileio_write(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_written);
extern int fileio_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read);
extern int fileio_seek(fileio_t *fileio, u32 position);
extern int fileio_close(fileio_t *fileio);
extern int fileio_open(fileio_t *fileio, char *url, enum fileio_access access,
enum fileio_pri_type pri_type, void *pri_info, enum fileio_sec_type sec_type);
#define ERROR_FILEIO_LOCATION_UNKNOWN (-1200)
#define ERROR_FILEIO_NOT_FOUND (-1201)
#define ERROR_FILEIO_OPERATION_FAILED (-1202)
#define ERROR_FILEIO_ACCESS_NOT_SUPPORTED (-1203)
#define ERROR_FILEIO_RESOURCE_TYPE_UNKNOWN (-1204)
#define ERROR_FILEIO_OPERATION_NOT_SUPPORTED (-1205)
#endif /* FILEIO_H */
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