50f3ba3189
With just a single table, the version string matching not only becomes simpler, but adding new layouts also requires no code changes anymore. For devices that need different layouts depending on the firmware version (e.g. Oceanic Atom 2.0 and Aeris Manta), the table may contain multiple entries with the different firmware versions. The only requirement is that the entry with the highest firmware version must be listed first.
107 lines
3.5 KiB
C
107 lines
3.5 KiB
C
/*
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* libdivecomputer
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*
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* Copyright (C) 2009 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#ifndef OCEANIC_COMMON_H
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#define OCEANIC_COMMON_H
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#include "device-private.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#define PAGESIZE 0x10
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#define FPMAXSIZE 0x20
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#define OCEANIC_COMMON_MATCH(version,patterns) \
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oceanic_common_match ((version), (patterns), \
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sizeof (patterns) / sizeof *(patterns))
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typedef struct oceanic_common_layout_t {
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// Memory size.
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unsigned int memsize;
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unsigned int highmem;
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// Device info.
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unsigned int cf_devinfo;
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// Ringbuffer pointers.
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unsigned int cf_pointers;
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// Logbook ringbuffer.
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unsigned int rb_logbook_begin;
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unsigned int rb_logbook_end;
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unsigned int rb_logbook_entry_size;
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// Profile ringbuffer
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unsigned int rb_profile_begin;
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unsigned int rb_profile_end;
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// The pointer mode indicates how the global ringbuffer pointers
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// should be interpreted (a first/last or a begin/end pair), and
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// how the profile pointers are stored in each logbook entry (two
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// 12-bit values or two 16-bit values with each 4 bits padding).
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unsigned int pt_mode_global;
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unsigned int pt_mode_logbook;
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unsigned int pt_mode_serial;
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} oceanic_common_layout_t;
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typedef struct oceanic_common_device_t {
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dc_device_t base;
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unsigned char version[PAGESIZE];
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unsigned char fingerprint[FPMAXSIZE];
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const oceanic_common_layout_t *layout;
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unsigned int multipage;
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} oceanic_common_device_t;
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typedef struct oceanic_common_device_vtable_t {
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dc_device_vtable_t base;
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dc_status_t (*logbook) (dc_device_t *device, dc_event_progress_t *progress, dc_buffer_t *logbook);
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dc_status_t (*profile) (dc_device_t *device, dc_event_progress_t *progress, dc_buffer_t *logbook, dc_dive_callback_t callback, void *userdata);
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} oceanic_common_device_vtable_t;
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typedef struct oceanic_common_version_t {
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unsigned char pattern[PAGESIZE + 1];
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unsigned int firmware;
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const oceanic_common_layout_t *layout;
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} oceanic_common_version_t;
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const oceanic_common_layout_t *
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oceanic_common_match (const unsigned char *version, const oceanic_common_version_t patterns[], size_t n);
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void
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oceanic_common_device_init (oceanic_common_device_t *device);
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dc_status_t
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oceanic_common_device_logbook (dc_device_t *device, dc_event_progress_t *progress, dc_buffer_t *logbook);
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dc_status_t
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oceanic_common_device_profile (dc_device_t *device, dc_event_progress_t *progress, dc_buffer_t *logbook, dc_dive_callback_t callback, void *userdata);
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dc_status_t
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oceanic_common_device_set_fingerprint (dc_device_t *device, const unsigned char data[], unsigned int size);
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dc_status_t
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oceanic_common_device_dump (dc_device_t *abstract, dc_buffer_t *buffer);
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dc_status_t
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oceanic_common_device_foreach (dc_device_t *device, dc_dive_callback_t callback, void *userdata);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* OCEANIC_COMMON_H */
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