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libdc/include/libdivecomputer/parser.h
Linus Torvalds eed75cb0be Clean up Shearwater string handling 
And remove the nasty and disgusting transmitter data handling code that
Dirk added to work around his misunderstanding of the parsing code.

This code now collects the various states of the transmitter batteries
throughout a dive and reports the most meaningful summary in the end. It
also rewrites the rest of the string handling code to be architecturally
cleaner.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2017-07-09 14:36:05 -07:00

273 lines
7.0 KiB
C
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/*
* libdivecomputer
*
* Copyright (C) 2008 Jef Driesen
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifndef DC_PARSER_H
#define DC_PARSER_H
#include "common.h"
#include "context.h"
#include "descriptor.h"
#include "device.h"
#include "datetime.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef enum dc_sample_type_t {
DC_SAMPLE_TIME,
DC_SAMPLE_DEPTH,
DC_SAMPLE_PRESSURE,
DC_SAMPLE_TEMPERATURE,
DC_SAMPLE_EVENT,
DC_SAMPLE_RBT,
DC_SAMPLE_HEARTBEAT,
DC_SAMPLE_BEARING,
DC_SAMPLE_VENDOR,
DC_SAMPLE_SETPOINT,
DC_SAMPLE_PPO2,
DC_SAMPLE_CNS,
DC_SAMPLE_DECO,
DC_SAMPLE_GASMIX
} dc_sample_type_t;
typedef enum dc_field_type_t {
DC_FIELD_DIVETIME,
DC_FIELD_MAXDEPTH,
DC_FIELD_AVGDEPTH,
DC_FIELD_GASMIX_COUNT,
DC_FIELD_GASMIX,
DC_FIELD_SALINITY,
DC_FIELD_ATMOSPHERIC,
DC_FIELD_TEMPERATURE_SURFACE,
DC_FIELD_TEMPERATURE_MINIMUM,
DC_FIELD_TEMPERATURE_MAXIMUM,
DC_FIELD_TANK_COUNT,
DC_FIELD_TANK,
DC_FIELD_DIVEMODE,
DC_FIELD_STRING,
} dc_field_type_t;
// Make it easy to test support compile-time with "#ifdef DC_FIELD_STRING"
#define DC_FIELD_STRING DC_FIELD_STRING
typedef enum parser_sample_event_t {
SAMPLE_EVENT_NONE,
SAMPLE_EVENT_DECOSTOP,
SAMPLE_EVENT_RBT,
SAMPLE_EVENT_ASCENT,
SAMPLE_EVENT_CEILING,
SAMPLE_EVENT_WORKLOAD,
SAMPLE_EVENT_TRANSMITTER,
SAMPLE_EVENT_VIOLATION,
SAMPLE_EVENT_BOOKMARK,
SAMPLE_EVENT_SURFACE,
SAMPLE_EVENT_SAFETYSTOP,
SAMPLE_EVENT_GASCHANGE, /* Deprecated: replaced by DC_SAMPLE_GASMIX. */
SAMPLE_EVENT_SAFETYSTOP_VOLUNTARY,
SAMPLE_EVENT_SAFETYSTOP_MANDATORY,
SAMPLE_EVENT_DEEPSTOP,
SAMPLE_EVENT_CEILING_SAFETYSTOP,
SAMPLE_EVENT_FLOOR,
SAMPLE_EVENT_DIVETIME,
SAMPLE_EVENT_MAXDEPTH,
SAMPLE_EVENT_OLF,
SAMPLE_EVENT_PO2,
SAMPLE_EVENT_AIRTIME,
SAMPLE_EVENT_RGBM,
SAMPLE_EVENT_HEADING,
SAMPLE_EVENT_TISSUELEVEL,
SAMPLE_EVENT_GASCHANGE2, /* Deprecated: replaced by DC_SAMPLE_GASMIX. */
SAMPLE_EVENT_STRING,
} parser_sample_event_t;
/* To let the compile know we have this */
#define SAMPLE_EVENT_STRING SAMPLE_EVENT_STRING
/* For backwards compatibility */
#define SAMPLE_EVENT_UNKNOWN SAMPLE_EVENT_FLOOR
typedef enum parser_sample_flags_t {
SAMPLE_FLAGS_NONE = 0,
SAMPLE_FLAGS_BEGIN = (1 << 0),
SAMPLE_FLAGS_END = (1 << 1),
SAMPLE_FLAGS_SEVERITY_MASK = (7 << 2),
} parser_sample_flags_t;
#define SAMPLE_FLAGS_SEVERITY_SHIFT 2
typedef enum parser_sample_vendor_t {
SAMPLE_VENDOR_NONE,
SAMPLE_VENDOR_UWATEC_ALADIN,
SAMPLE_VENDOR_UWATEC_SMART,
SAMPLE_VENDOR_OCEANIC_VTPRO,
SAMPLE_VENDOR_OCEANIC_VEO250,
SAMPLE_VENDOR_OCEANIC_ATOM2,
} parser_sample_vendor_t;
typedef enum dc_water_t {
DC_WATER_FRESH,
DC_WATER_SALT
} dc_water_t;
typedef enum dc_divemode_t {
DC_DIVEMODE_FREEDIVE,
DC_DIVEMODE_GAUGE,
DC_DIVEMODE_OC, /* Open circuit */
DC_DIVEMODE_CC /* Closed circuit */
} dc_divemode_t;
typedef enum dc_deco_type_t {
DC_DECO_NDL,
DC_DECO_SAFETYSTOP,
DC_DECO_DECOSTOP,
DC_DECO_DEEPSTOP
} dc_deco_type_t;
typedef struct dc_salinity_t {
dc_water_t type;
double density;
} dc_salinity_t;
typedef struct dc_gasmix_t {
double helium;
double oxygen;
double nitrogen;
} dc_gasmix_t;
#define DC_GASMIX_UNKNOWN 0xFFFFFFFF
typedef unsigned int dc_tankinfo_t;
#define DC_TANKINFO_METRIC 1
#define DC_TANKINFO_IMPERIAL 2
#define DC_TANKINFO_CC_DILUENT 4
#define DC_TANKINFO_CC_O2 8
// For backwards compatibility
#define DC_TANKVOLUME_NONE 0
#define DC_TANKVOLUME_METRIC DC_TANKINFO_METRIC
#define DC_TANKVOLUME_IMPERIAL DC_TANKINFO_IMPERIAL
/*
* Tank volume
*
* There are two different ways to specify the volume of a tank. In the
* metric system, the tank volume is specified as the water capacity,
* while in the imperial system the tank volume is specified as the air
* capacity at the surface (1 ATM) when the tank is filled at its
* working pressure. Libdivecomputer will always convert the tank volume
* to the metric representation, and indicate the original tank type:
*
* DC_TANKVOLUME_NONE: Tank volume is not available. Both the volume and
* workpressure will be zero.
*
* DC_TANKVOLUME_METRIC: A metric tank. The workpressure is optional and
* may be zero.
*
* DC_TANKVOLUME_IMPERIAL: An imperial tank. Both the volume and
* workpressure are mandatory and always non-zero. The volume has been
* converted from air capacity to water capacity. To calculate the
* original air capacity again, multiply with the workpressure and
* divide by 1 ATM (Vair = Vwater * Pwork / Patm).
*/
typedef struct dc_tank_t {
unsigned int gasmix; /* Gas mix index, or DC_GASMIX_UNKNOWN */
dc_tankinfo_t type; /* Tank type - metric/imperial and oc/cc */
double volume; /* Volume (liter) */
double workpressure; /* Work pressure (bar) */
double beginpressure; /* Begin pressure (bar) */
double endpressure; /* End pressure (bar) */
} dc_tank_t;
typedef struct dc_field_string_t {
const char *desc;
const char *value;
} dc_field_string_t;
typedef union dc_sample_value_t {
unsigned int time;
double depth;
struct {
unsigned int tank;
double value;
} pressure;
double temperature;
struct {
unsigned int type;
unsigned int time;
const char *name;
unsigned int flags;
unsigned int value;
} event;
unsigned int rbt;
unsigned int heartbeat;
unsigned int bearing;
struct {
unsigned int type;
unsigned int size;
const void *data;
} vendor;
double setpoint;
double ppo2;
double cns;
struct {
unsigned int type;
unsigned int time;
double depth;
} deco;
unsigned int gasmix; /* Gas mix index */
} dc_sample_value_t;
typedef struct dc_parser_t dc_parser_t;
typedef void (*dc_sample_callback_t) (dc_sample_type_t type, dc_sample_value_t value, void *userdata);
dc_status_t
dc_parser_new (dc_parser_t **parser, dc_device_t *device);
dc_status_t
dc_parser_new2 (dc_parser_t **parser, dc_context_t *context, dc_descriptor_t *descriptor, unsigned int devtime, dc_ticks_t systime);
dc_family_t
dc_parser_get_type (dc_parser_t *parser);
dc_status_t
dc_parser_set_data (dc_parser_t *parser, const unsigned char *data, unsigned int size);
dc_status_t
dc_parser_get_datetime (dc_parser_t *parser, dc_datetime_t *datetime);
dc_status_t
dc_parser_get_field (dc_parser_t *parser, dc_field_type_t type, unsigned int flags, void *value);
dc_status_t
dc_parser_samples_foreach (dc_parser_t *parser, dc_sample_callback_t callback, void *userdata);
dc_status_t
dc_parser_destroy (dc_parser_t *parser);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* DC_PARSER_H */
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