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libcasio/include/libcasio/format/std/lang.h

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C

/* ****************************************************************************
* libcasio/format/std/lang.h -- the standard language file format description.
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
*
* This file is part of libcasio.
* libcasio is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3.0 of the License,
* or (at your option) any later version.
*
* libcasio 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
* ************************************************************************* */
#ifndef LIBCASIO_FORMAT_STD_LANG_H
# define LIBCASIO_FORMAT_STD_LANG_H
# include "../../cdefs.h"
# pragma pack(1)
CASIO_BEGIN_NAMESPACE
/* ---
* G1L - Language files for fx calculators.
* --- */
/* It all starts with a header: */
typedef struct casio_lang_subheader_s {
/* identifier: is "PowerUSB" on original things */
casio_uint8_t casio_lang_subheader_identifier[8];
/* OS information (raw binary format), e.g. 0x02,0x09 for 2.09. */
casio_uint8_t casio_lang_subheader_os_major;
casio_uint8_t casio_lang_subheader_os_minor;
/* unknown bytes */
casio_uint8_t casio_lang_subheader__unknown[2];
/* message count */
casio_uint16_t casio_lang_subheader_count;
} casio_lang_subheader_t;
/* Then comes a list of offsets, and the messages.
*
* Each element of the offsets list is 16-bytes long.
* It is relative to the first element (which starts right after the
* offsets list - no alignment).
*
* The messages are null-terminated - once you get the offsets, you get
* them completely. */
/* ---
* G3L - Language files for the Prizm.
* --- */
/* G3L and G3N start with the StandardHeader and the Standard Subheader,
* then the Prizm-specific subheader. After this, both the G3L and G3N
* have this language header: */
typedef struct casio_prizm_lang_subheader_s {
/* Sequence: '4C 59 37 35 35 00 00 00' (LY755 ) */
casio_uint8_t casio_prizm_lang_subheader_sequence[8];
/* Unknown: 0x02 */
casio_uint8_t casio_prizm_lang_subheader__unknown;
/* Unused byte. */
casio_uint8_t casio_prizm_lang_subheader__unused0;
/* Number of messages ("possibly 0 base indexed") */
casio_uint32_t casio_prizm_lang_subheader_count;
/* Unused bytes */
casio_uint8_t casio_prizm_lang_subheader__unused1[2];
} casio_prizm_lang_subheader_t;
/* Then we have offsets of all messages (4 bytes each),
* then messages themselves, zero-terminated.
*
* And don't forget the footer (see `libcasio/format/std.h`) */
CASIO_END_NAMESPACE
# pragma pack()
#endif /* LIBCASIO_FORMAT_STD_LANG_H */