12c77a228e
For dive computers where the reference time (epoch) of the device is unknown, libdivecomputer uses the current time of the device (devtime) and the host system (systime) to synchronize both clocks. Currently, both timestamps are passed directly to the constructor of the parser. With the new public function, the application can adjust the timestamps afterwards.
301 lines
7.9 KiB
C
301 lines
7.9 KiB
C
/*
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* libdivecomputer
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*
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* Copyright (C) 2008 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 DC_PARSER_H
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#define DC_PARSER_H
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#include "common.h"
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#include "context.h"
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#include "descriptor.h"
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#include "device.h"
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#include "datetime.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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typedef enum dc_sample_type_t {
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DC_SAMPLE_TIME,
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DC_SAMPLE_DEPTH,
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DC_SAMPLE_PRESSURE,
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DC_SAMPLE_TEMPERATURE,
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DC_SAMPLE_EVENT,
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DC_SAMPLE_RBT,
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DC_SAMPLE_HEARTBEAT,
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DC_SAMPLE_BEARING,
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DC_SAMPLE_VENDOR,
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DC_SAMPLE_SETPOINT,
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DC_SAMPLE_PPO2,
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DC_SAMPLE_CNS,
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DC_SAMPLE_DECO,
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DC_SAMPLE_GASMIX
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} dc_sample_type_t;
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typedef enum dc_field_type_t {
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DC_FIELD_DIVETIME,
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DC_FIELD_MAXDEPTH,
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DC_FIELD_AVGDEPTH,
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DC_FIELD_GASMIX_COUNT,
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DC_FIELD_GASMIX,
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DC_FIELD_SALINITY,
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DC_FIELD_ATMOSPHERIC,
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DC_FIELD_TEMPERATURE_SURFACE,
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DC_FIELD_TEMPERATURE_MINIMUM,
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DC_FIELD_TEMPERATURE_MAXIMUM,
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DC_FIELD_TANK_COUNT,
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DC_FIELD_TANK,
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DC_FIELD_DIVEMODE,
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DC_FIELD_DECOMODEL,
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} dc_field_type_t;
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typedef enum parser_sample_event_t {
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SAMPLE_EVENT_NONE,
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SAMPLE_EVENT_DECOSTOP,
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SAMPLE_EVENT_RBT,
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SAMPLE_EVENT_ASCENT,
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SAMPLE_EVENT_CEILING,
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SAMPLE_EVENT_WORKLOAD,
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SAMPLE_EVENT_TRANSMITTER,
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SAMPLE_EVENT_VIOLATION,
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SAMPLE_EVENT_BOOKMARK,
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SAMPLE_EVENT_SURFACE,
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SAMPLE_EVENT_SAFETYSTOP,
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SAMPLE_EVENT_GASCHANGE, /* Deprecated: replaced by DC_SAMPLE_GASMIX. */
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SAMPLE_EVENT_SAFETYSTOP_VOLUNTARY,
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SAMPLE_EVENT_SAFETYSTOP_MANDATORY,
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SAMPLE_EVENT_DEEPSTOP,
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SAMPLE_EVENT_CEILING_SAFETYSTOP,
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SAMPLE_EVENT_FLOOR,
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SAMPLE_EVENT_DIVETIME,
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SAMPLE_EVENT_MAXDEPTH,
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SAMPLE_EVENT_OLF,
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SAMPLE_EVENT_PO2,
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SAMPLE_EVENT_AIRTIME,
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SAMPLE_EVENT_RGBM,
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SAMPLE_EVENT_HEADING,
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SAMPLE_EVENT_TISSUELEVEL,
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SAMPLE_EVENT_GASCHANGE2, /* Deprecated: replaced by DC_SAMPLE_GASMIX. */
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} parser_sample_event_t;
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/* For backwards compatibility */
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#define SAMPLE_EVENT_UNKNOWN SAMPLE_EVENT_FLOOR
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typedef enum parser_sample_flags_t {
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SAMPLE_FLAGS_NONE = 0,
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SAMPLE_FLAGS_BEGIN = (1 << 0),
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SAMPLE_FLAGS_END = (1 << 1)
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} parser_sample_flags_t;
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typedef enum parser_sample_vendor_t {
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SAMPLE_VENDOR_NONE,
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SAMPLE_VENDOR_UWATEC_ALADIN,
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SAMPLE_VENDOR_UWATEC_SMART,
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SAMPLE_VENDOR_OCEANIC_VTPRO,
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SAMPLE_VENDOR_OCEANIC_VEO250,
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SAMPLE_VENDOR_OCEANIC_ATOM2
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} parser_sample_vendor_t;
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typedef enum dc_water_t {
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DC_WATER_FRESH,
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DC_WATER_SALT
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} dc_water_t;
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typedef enum dc_divemode_t {
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DC_DIVEMODE_FREEDIVE,
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DC_DIVEMODE_GAUGE,
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DC_DIVEMODE_OC, /* Open circuit */
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DC_DIVEMODE_CCR, /* Closed circuit rebreather */
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DC_DIVEMODE_SCR /* Semi-closed circuit rebreather */
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} dc_divemode_t;
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/* For backwards compatibility */
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#define DC_DIVEMODE_CC DC_DIVEMODE_CCR
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typedef enum dc_deco_type_t {
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DC_DECO_NDL,
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DC_DECO_SAFETYSTOP,
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DC_DECO_DECOSTOP,
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DC_DECO_DEEPSTOP
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} dc_deco_type_t;
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typedef struct dc_salinity_t {
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dc_water_t type;
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double density;
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} dc_salinity_t;
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typedef struct dc_gasmix_t {
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double helium;
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double oxygen;
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double nitrogen;
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} dc_gasmix_t;
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#define DC_GASMIX_UNKNOWN 0xFFFFFFFF
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typedef enum dc_tankvolume_t {
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DC_TANKVOLUME_NONE,
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DC_TANKVOLUME_METRIC,
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DC_TANKVOLUME_IMPERIAL,
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} dc_tankvolume_t;
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/*
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* Tank volume
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*
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* There are two different ways to specify the volume of a tank. In the
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* metric system, the tank volume is specified as the water capacity,
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* while in the imperial system the tank volume is specified as the air
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* capacity at the surface (1 ATM) when the tank is filled at its
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* working pressure. Libdivecomputer will always convert the tank volume
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* to the metric representation, and indicate the original tank type:
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*
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* DC_TANKVOLUME_NONE: Tank volume is not available. Both the volume and
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* workpressure will be zero.
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*
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* DC_TANKVOLUME_METRIC: A metric tank. The workpressure is optional and
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* may be zero.
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*
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* DC_TANKVOLUME_IMPERIAL: An imperial tank. Both the volume and
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* workpressure are mandatory and always non-zero. The volume has been
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* converted from air capacity to water capacity. To calculate the
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* original air capacity again, multiply with the workpressure and
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* divide by 1 ATM (Vair = Vwater * Pwork / Patm).
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*/
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typedef struct dc_tank_t {
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unsigned int gasmix; /* Gas mix index, or DC_GASMIX_UNKNOWN */
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dc_tankvolume_t type; /* Tank type */
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double volume; /* Volume (liter) */
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double workpressure; /* Work pressure (bar) */
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double beginpressure; /* Begin pressure (bar) */
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double endpressure; /* End pressure (bar) */
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} dc_tank_t;
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typedef enum dc_decomodel_type_t {
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DC_DECOMODEL_NONE,
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DC_DECOMODEL_BUHLMANN,
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DC_DECOMODEL_VPM,
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DC_DECOMODEL_RGBM,
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DC_DECOMODEL_DCIEM,
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} dc_decomodel_type_t;
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/*
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* Decompression model
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*
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* The type field contains the decompression algorithm.
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*
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* The (optional) conservatism field contains the personal adjustment
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* setting of the algorithm. The exact interpretation depends on the
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* dive computer, but the default value (zero) will typically correspond
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* to the neutral setting, while a positive value is more conservative
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* and a negative value more aggressive.
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*
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* The (optional) params field contains the parameters of the algorithm:
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*
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* DC_DECOMODEL_BUHLMANN: The Gradient Factor (GF) parameters low and
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* high. For a pure Buhlmann algorithm (e.g. without GF enabled), both
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* values are 100. If GF are enabled, but the actual parameter values
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* are not available from the dive computer, both values are zero.
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*/
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typedef struct dc_decomodel_t {
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dc_decomodel_type_t type;
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int conservatism;
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union {
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struct {
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unsigned int high;
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unsigned int low;
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} gf;
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} params;
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} dc_decomodel_t;
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typedef union dc_sample_value_t {
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unsigned int time;
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double depth;
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struct {
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unsigned int tank;
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double value;
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} pressure;
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double temperature;
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struct {
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unsigned int type;
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unsigned int time;
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unsigned int flags;
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unsigned int value;
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} event;
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unsigned int rbt;
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unsigned int heartbeat;
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unsigned int bearing;
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struct {
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unsigned int type;
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unsigned int size;
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const void *data;
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} vendor;
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double setpoint;
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double ppo2;
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double cns;
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struct {
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unsigned int type;
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unsigned int time;
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double depth;
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} deco;
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unsigned int gasmix; /* Gas mix index */
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} dc_sample_value_t;
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typedef struct dc_parser_t dc_parser_t;
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typedef void (*dc_sample_callback_t) (dc_sample_type_t type, dc_sample_value_t value, void *userdata);
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dc_status_t
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dc_parser_new (dc_parser_t **parser, dc_device_t *device);
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dc_status_t
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dc_parser_new2 (dc_parser_t **parser, dc_context_t *context, dc_descriptor_t *descriptor, unsigned int devtime, dc_ticks_t systime);
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dc_family_t
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dc_parser_get_type (dc_parser_t *parser);
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dc_status_t
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dc_parser_set_clock (dc_parser_t *parser, unsigned int devtime, dc_ticks_t systime);
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dc_status_t
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dc_parser_set_atmospheric (dc_parser_t *parser, double atmospheric);
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dc_status_t
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dc_parser_set_density (dc_parser_t *parser, double density);
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dc_status_t
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dc_parser_set_data (dc_parser_t *parser, const unsigned char *data, unsigned int size);
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dc_status_t
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dc_parser_get_datetime (dc_parser_t *parser, dc_datetime_t *datetime);
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dc_status_t
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dc_parser_get_field (dc_parser_t *parser, dc_field_type_t type, unsigned int flags, void *value);
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dc_status_t
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dc_parser_samples_foreach (dc_parser_t *parser, dc_sample_callback_t callback, void *userdata);
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dc_status_t
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dc_parser_destroy (dc_parser_t *parser);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* DC_PARSER_H */
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