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