f0b3253296
Introducing a common base class allows to share more code between the backends. Sharing the fingerprint data eliminates the need to pass it with a function parameter.
69 lines
2.2 KiB
C
69 lines
2.2 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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typedef struct oceanic_common_device_t {
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device_t base;
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unsigned char fingerprint[8];
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} oceanic_common_device_t;
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typedef struct oceanic_common_layout_t {
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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_empty;
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unsigned int rb_logbook_begin;
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unsigned int rb_logbook_end;
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// Profile ringbuffer
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unsigned int rb_profile_empty;
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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 mode;
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} oceanic_common_layout_t;
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void
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oceanic_common_device_init (oceanic_common_device_t *device, const device_backend_t *backend);
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device_status_t
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oceanic_common_device_set_fingerprint (oceanic_common_device_t *device, const unsigned char data[], unsigned int size);
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device_status_t
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oceanic_common_device_foreach (oceanic_common_device_t *device, const oceanic_common_layout_t *layout, 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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