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80 lines
3.2 KiB
C
80 lines
3.2 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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#ifndef DIVECOMPUTER_H
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#define DIVECOMPUTER_H
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#include "divemode.h"
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#include "units.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct extra_data;
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struct sample;
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/* Is this header the correct place? */
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#define SURFACE_THRESHOLD 750 /* somewhat arbitrary: only below 75cm is it really diving */
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/*
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* NOTE! The deviceid and diveid are model-specific *hashes* of
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* whatever device identification that model may have. Different
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* dive computers will have different identifying data, it could
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* be a firmware number or a serial ID (in either string or in
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* numeric format), and we do not care.
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*
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* The only thing we care about is that subsurface will hash
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* that information the same way. So then you can check the ID
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* of a dive computer by comparing the hashes for equality.
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*
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* A deviceid or diveid of zero is assumed to be "no ID".
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*/
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struct divecomputer {
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timestamp_t when;
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duration_t duration, surfacetime, last_manual_time;
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depth_t maxdepth, meandepth;
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temperature_t airtemp, watertemp;
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pressure_t surface_pressure;
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enum divemode_t divemode; // dive computer type: OC(default) or CCR
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uint8_t no_o2sensors; // rebreathers: number of O2 sensors used
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int salinity; // kg per 10000 l
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const char *model, *serial, *fw_version;
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uint32_t deviceid, diveid;
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int samples, alloc_samples;
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struct sample *sample;
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struct event *events;
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struct extra_data *extra_data;
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struct divecomputer *next;
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};
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extern void fake_dc(struct divecomputer *dc);
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extern void free_dc(struct divecomputer *dc);
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extern void free_dc_contents(struct divecomputer *dc);
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extern enum divemode_t get_current_divemode(const struct divecomputer *dc, int time, const struct event **evp, enum divemode_t *divemode);
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extern int get_depth_at_time(const struct divecomputer *dc, unsigned int time);
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extern void free_dive_dcs(struct divecomputer *dc);
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extern void alloc_samples(struct divecomputer *dc, int num);
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extern void free_samples(struct divecomputer *dc);
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extern struct sample *prepare_sample(struct divecomputer *dc);
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extern void finish_sample(struct divecomputer *dc);
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extern struct sample *add_sample(const struct sample *sample, int time, struct divecomputer *dc);
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extern void fixup_dc_duration(struct divecomputer *dc);
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extern unsigned int dc_airtemp(const struct divecomputer *dc);
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extern unsigned int dc_watertemp(const struct divecomputer *dc);
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extern void copy_events(const struct divecomputer *s, struct divecomputer *d);
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extern void swap_event(struct divecomputer *dc, struct event *from, struct event *to);
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extern void copy_samples(const struct divecomputer *s, struct divecomputer *d);
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extern void add_event_to_dc(struct divecomputer *dc, struct event *ev);
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extern struct event *add_event(struct divecomputer *dc, unsigned int time, int type, int flags, int value, const char *name);
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extern void remove_event_from_dc(struct divecomputer *dc, struct event *event);
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extern void add_extra_data(struct divecomputer *dc, const char *key, const char *value);
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extern bool is_dc_planner(const struct divecomputer *dc);
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/* Check if two dive computer entries are the exact same dive (-1=no/0=maybe/1=yes) */
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extern int match_one_dc(const struct divecomputer *a, const struct divecomputer *b);
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#ifdef __cplusplus
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}
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#endif
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#endif
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