Added a parser for the Uwatec Smart.
This commit is contained in:
Jef Driesen
parent
1a36118671
commit
52f7d01380
@ -67,7 +67,7 @@ libdivecomputer_la_LIBADD = -lws2_32
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endif
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libdivecomputer_la_SOURCES += \
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irda.h irda.c \
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uwatec_smart.h uwatec_smart.c
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uwatec_smart.h uwatec_smart.c uwatec_smart_parser.c
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endif
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libdivecomputer_la_DEPENDENCIES = libdivecomputer.exp
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@ -8,6 +8,7 @@ reefnet_sensuspro_parser_set_calibration
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reefnet_sensusultra_parser_create
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reefnet_sensusultra_parser_set_calibration
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uwatec_memomouse_parser_create
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uwatec_smart_parser_create
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suunto_vyper_parser_create
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suunto_spyder_parser_create
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suunto_d9_parser_create
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@ -33,7 +33,8 @@ typedef enum parser_type_t {
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PARSER_TYPE_SUUNTO_D9,
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PARSER_TYPE_REEFNET_SENSUSPRO,
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PARSER_TYPE_REEFNET_SENSUSULTRA,
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PARSER_TYPE_UWATEC_MEMOMOUSE
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PARSER_TYPE_UWATEC_MEMOMOUSE,
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PARSER_TYPE_UWATEC_SMART
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} parser_type_t;
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typedef enum parser_status_t {
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@ -90,7 +91,8 @@ typedef enum 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_ALADIN,
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SAMPLE_VENDOR_UWATEC_SMART
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} parser_sample_vendor_t;
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typedef union parser_sample_value_t {
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@ -22,12 +22,13 @@
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#ifndef UWATEC_SMART_H
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#define UWATEC_SMART_H
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#include "device.h"
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#include "parser.h"
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include "device.h"
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#define UWATEC_SMART_VERSION_SIZE 9
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device_status_t
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@ -45,6 +46,9 @@ uwatec_smart_device_version (device_t *device, unsigned char data[], unsigned in
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device_status_t
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uwatec_smart_extract_dives (const unsigned char data[], unsigned int size, dive_callback_t callback, void *userdata);
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parser_status_t
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uwatec_smart_parser_create (parser_t **parser, unsigned int model);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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416
src/uwatec_smart_parser.c
Normal file
416
src/uwatec_smart_parser.c
Normal file
@ -0,0 +1,416 @@
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/*
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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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#include <stdlib.h>
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#include <string.h> // memcmp
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#include <assert.h>
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#include "uwatec_smart.h"
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#include "parser-private.h"
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#include "units.h"
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#include "utils.h"
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#define WARNING(expr) \
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{ \
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message ("%s:%d: %s\n", __FILE__, __LINE__, expr); \
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}
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#define NBITS 8
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#define NELEMENTS(x) ( sizeof(x) / sizeof((x)[0]) )
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typedef struct uwatec_smart_parser_t uwatec_smart_parser_t;
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struct uwatec_smart_parser_t {
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parser_t base;
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unsigned int model;
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};
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static parser_status_t uwatec_smart_parser_set_data (parser_t *abstract, const unsigned char *data, unsigned int size);
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static parser_status_t uwatec_smart_parser_samples_foreach (parser_t *abstract, sample_callback_t callback, void *userdata);
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static parser_status_t uwatec_smart_parser_destroy (parser_t *abstract);
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static const parser_backend_t uwatec_smart_parser_backend = {
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PARSER_TYPE_UWATEC_SMART,
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uwatec_smart_parser_set_data, /* set_data */
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uwatec_smart_parser_samples_foreach, /* samples_foreach */
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uwatec_smart_parser_destroy /* destroy */
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};
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static int
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parser_is_uwatec_smart (parser_t *abstract)
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{
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if (abstract == NULL)
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return 0;
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return abstract->backend == &uwatec_smart_parser_backend;
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}
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parser_status_t
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uwatec_smart_parser_create (parser_t **out, unsigned int model)
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{
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if (out == NULL)
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return PARSER_STATUS_ERROR;
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// Allocate memory.
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uwatec_smart_parser_t *parser = malloc (sizeof (uwatec_smart_parser_t));
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if (parser == NULL) {
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WARNING ("Failed to allocate memory.");
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return PARSER_STATUS_MEMORY;
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}
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// Initialize the base class.
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parser_init (&parser->base, &uwatec_smart_parser_backend);
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// Set the default values.
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parser->model = model;
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*out = (parser_t*) parser;
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return PARSER_STATUS_SUCCESS;
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}
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static parser_status_t
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uwatec_smart_parser_destroy (parser_t *abstract)
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{
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if (! parser_is_uwatec_smart (abstract))
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return PARSER_STATUS_TYPE_MISMATCH;
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// Free memory.
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free (abstract);
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return PARSER_STATUS_SUCCESS;
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}
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static parser_status_t
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uwatec_smart_parser_set_data (parser_t *abstract, const unsigned char *data, unsigned int size)
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{
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if (! parser_is_uwatec_smart (abstract))
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return PARSER_STATUS_TYPE_MISMATCH;
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return PARSER_STATUS_SUCCESS;
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}
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static unsigned int
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uwatec_smart_identify (const unsigned char data[], unsigned int size)
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{
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unsigned int count = 0;
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for (unsigned int i = 0; i < size; ++i) {
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unsigned char value = data[i];
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for (unsigned int j = 0; j < NBITS; ++j) {
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unsigned char mask = 1 << (NBITS - 1 - j);
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if ((value & mask) == 0)
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return count;
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count++;
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}
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}
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return count;
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}
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static unsigned int
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uwatec_smart_fixsignbit (unsigned int x, unsigned int n)
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{
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assert (n > 0);
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unsigned int signbit = (1 << (n - 1));
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unsigned int mask = (0xFFFFFFFF << n);
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// When turning a two's-complement number with a certain number
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// of bits into one with more bits, the sign bit must be repeated
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// in all the extra bits.
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if ((x & signbit) == signbit)
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return x | mask;
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else
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return x & ~mask;
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}
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typedef enum {
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DELTA_TANK_PRESSURE_DEPTH,
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DELTA_RBT,
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DELTA_TEMPERATURE,
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DELTA_TANK_PRESSURE,
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DELTA_DEPTH,
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ALARMS,
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TIME,
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ABSOLUTE_DEPTH,
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ABSOLUTE_TEMPERATURE,
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ABSOLUTE_TANK_1_PRESSURE,
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ABSOLUTE_TANK_2_PRESSURE,
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ABSOLUTE_TANK_D_PRESSURE,
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ABSOLUTE_RBT
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} uwatec_smart_sample_t;
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typedef struct uwatec_smart_sample_info_t {
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uwatec_smart_sample_t type;
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unsigned int extrabytes;
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} uwatec_smart_sample_info_t;
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static const
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uwatec_smart_sample_info_t uwatec_smart_pro_table [] = {
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{DELTA_DEPTH, 0}, // 0ddddddd
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{DELTA_TEMPERATURE, 0}, // 10dddddd
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{TIME, 0}, // 110ddddd
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{ALARMS, 0}, // 1110dddd
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{DELTA_DEPTH, 1}, // 11110ddd dddddddd
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{DELTA_TEMPERATURE, 1}, // 111110dd dddddddd
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{ABSOLUTE_DEPTH, 2}, // 1111110d dddddddd dddddddd
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{ABSOLUTE_TEMPERATURE, 2}, // 11111110 dddddddd dddddddd
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};
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static const
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uwatec_smart_sample_info_t uwatec_smart_aladin_table [] = {
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{DELTA_DEPTH, 0}, // 0ddddddd
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{DELTA_TEMPERATURE, 0}, // 10dddddd
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{TIME, 0}, // 110ddddd
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{ALARMS, 0}, // 1110dddd
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{DELTA_DEPTH, 1}, // 11110ddd dddddddd
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{DELTA_TEMPERATURE, 1}, // 111110dd dddddddd
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{ABSOLUTE_DEPTH, 2}, // 1111110d dddddddd dddddddd
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{ABSOLUTE_TEMPERATURE, 2}, // 11111110 dddddddd dddddddd
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{ALARMS, 0}, // 11111111 0ddddddd
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};
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static const
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uwatec_smart_sample_info_t uwatec_smart_com_table [] = {
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{DELTA_TANK_PRESSURE_DEPTH, 1}, // 0ddddddd dddddddd
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{DELTA_RBT, 0}, // 10dddddd
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{DELTA_TEMPERATURE, 0}, // 110ddddd
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{DELTA_TANK_PRESSURE, 1}, // 1110dddd dddddddd
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{DELTA_DEPTH, 1}, // 11110ddd dddddddd
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{DELTA_TEMPERATURE, 1}, // 111110dd dddddddd
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{ALARMS, 1}, // 1111110d dddddddd
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{TIME, 1}, // 11111110 dddddddd
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{ABSOLUTE_DEPTH, 2}, // 11111111 0ddddddd dddddddd dddddddd
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{ABSOLUTE_TANK_1_PRESSURE, 2}, // 11111111 10dddddd dddddddd dddddddd
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{ABSOLUTE_TEMPERATURE, 2}, // 11111111 110ddddd dddddddd dddddddd
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{ABSOLUTE_RBT, 1}, // 11111111 1110dddd dddddddd
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};
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static const
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uwatec_smart_sample_info_t uwatec_smart_tec_table [] = {
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{DELTA_TANK_PRESSURE_DEPTH, 1}, // 0ddddddd dddddddd
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{DELTA_RBT, 0}, // 10dddddd
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{DELTA_TEMPERATURE, 0}, // 110ddddd
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{DELTA_TANK_PRESSURE, 1}, // 1110dddd dddddddd
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{DELTA_DEPTH, 1}, // 11110ddd dddddddd
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{DELTA_TEMPERATURE, 1}, // 111110dd dddddddd
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{ALARMS, 1}, // 1111110d dddddddd
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{TIME, 1}, // 11111110 dddddddd
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{ABSOLUTE_DEPTH, 2}, // 11111111 0ddddddd dddddddd dddddddd
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{ABSOLUTE_TEMPERATURE, 2}, // 11111111 10dddddd dddddddd dddddddd
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{ABSOLUTE_TANK_1_PRESSURE, 2}, // 11111111 110ddddd dddddddd dddddddd
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{ABSOLUTE_TANK_2_PRESSURE, 2}, // 11111111 1110dddd dddddddd dddddddd
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{ABSOLUTE_TANK_D_PRESSURE, 2}, // 11111111 11110ddd dddddddd dddddddd
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{ABSOLUTE_RBT, 1}, // 11111111 111110dd dddddddd
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};
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static parser_status_t
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uwatec_smart_parser_samples_foreach (parser_t *abstract, sample_callback_t callback, void *userdata)
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{
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uwatec_smart_parser_t *parser = (uwatec_smart_parser_t*) abstract;
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if (! parser_is_uwatec_smart (abstract))
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return PARSER_STATUS_TYPE_MISMATCH;
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const unsigned char *data = abstract->data;
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unsigned int size = abstract->size;
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const uwatec_smart_sample_info_t *table = NULL;
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unsigned int entries = 0;
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unsigned int header = 0;
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// Load the correct table.
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switch (parser->model) {
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case 0x10: // Smart Pro
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header = 92;
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table = uwatec_smart_pro_table;
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entries = NELEMENTS (uwatec_smart_pro_table);
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break;
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case 0x12: // Aladin Tec, Prime
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header = 108;
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table = uwatec_smart_aladin_table;
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entries = NELEMENTS (uwatec_smart_aladin_table);
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break;
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case 0x14: // Smart Com
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header = 100;
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table = uwatec_smart_com_table;
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entries = NELEMENTS (uwatec_smart_com_table);
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break;
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case 0x18: // Smart Tec
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case 0x1C: // Smart Z
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header = 132;
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table = uwatec_smart_tec_table;
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entries = NELEMENTS (uwatec_smart_tec_table);
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break;
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default:
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return PARSER_STATUS_ERROR;
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}
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int complete = 1;
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int calibrated = 0;
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unsigned int time = 0;
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unsigned int rbt = 0;
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unsigned int tank = 0;
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double depth = 0, depth_calibration = 0;
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double temperature = 0;
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double pressure = 0;
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unsigned int offset = header;
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while (offset < size) {
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parser_sample_value_t sample = {0};
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// Count the number of type bits in the bitstream.
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unsigned int id = uwatec_smart_identify (data + offset, size - offset);
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assert (id < entries);
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// Skip the processed type bytes.
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offset += id / NBITS;
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// Process the remaining data bytes.
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unsigned int n = id % NBITS;
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unsigned int nbits = NBITS - n - 1;
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unsigned int value = data[offset] & (0xFF >> n);
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assert (offset + table[id].extrabytes + 1 <= size);
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for (unsigned int i = 0; i < table[id].extrabytes; ++i) {
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nbits += NBITS;
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value <<= NBITS;
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value += data[offset + i + 1];
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}
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// Skip the processed data bytes.
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offset += table[id].extrabytes + 1;
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// Fix the sign bit.
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value = uwatec_smart_fixsignbit (value, nbits);
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if (complete && table[id].type != TIME) {
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complete = 0;
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sample.time = time;
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if (callback) callback (SAMPLE_TYPE_TIME, sample, userdata);
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}
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// Parse the value.
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switch (table[id].type) {
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case DELTA_TANK_PRESSURE_DEPTH:
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pressure += ((signed char) ((value >> NBITS) & 0xFF)) / 4.0;
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depth += ((signed char) (value & 0xFF)) / 50.0;
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sample.pressure.tank = tank;
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sample.pressure.value = pressure;
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if (callback) callback (SAMPLE_TYPE_PRESSURE, sample, userdata);
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sample.depth = depth - depth_calibration;
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if (callback) callback (SAMPLE_TYPE_DEPTH, sample, userdata);
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complete = 1;
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time += 4;
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break;
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case DELTA_RBT:
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rbt += (signed int) value;
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sample.rbt = rbt;
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if (callback) callback (SAMPLE_TYPE_RBT, sample, userdata);
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break;
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case DELTA_TEMPERATURE:
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temperature += ((signed int)value) / 2.5;
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sample.temperature = temperature;
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if (callback) callback (SAMPLE_TYPE_TEMPERATURE, sample, userdata);
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break;
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case DELTA_TANK_PRESSURE:
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pressure += ((signed int)value) / 4.0;
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sample.pressure.tank = tank;
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sample.pressure.value = pressure;
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if (callback) callback (SAMPLE_TYPE_PRESSURE, sample, userdata);
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break;
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case DELTA_DEPTH:
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depth += ((signed int)value) / 50.0;
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sample.depth = depth - depth_calibration;
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if (callback) callback (SAMPLE_TYPE_DEPTH, sample, userdata);
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complete = 1;
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time += 4;
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break;
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case ALARMS:
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sample.vendor.type = SAMPLE_VENDOR_UWATEC_SMART;
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sample.vendor.size = sizeof (value);
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sample.vendor.data = &value;
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if (callback) callback (SAMPLE_TYPE_VENDOR, sample, userdata);
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break;
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case TIME:
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complete = 1;
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time += value * 4;
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break;
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case ABSOLUTE_DEPTH:
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depth = value / 50.0;
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if (!calibrated) {
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calibrated = 1;
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depth_calibration = depth;
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}
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sample.depth = depth - depth_calibration;
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if (callback) callback (SAMPLE_TYPE_DEPTH, sample, userdata);
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complete = 1;
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time += 4;
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break;
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case ABSOLUTE_TEMPERATURE:
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temperature = value / 2.5;
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sample.temperature = temperature;
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if (callback) callback (SAMPLE_TYPE_TEMPERATURE, sample, userdata);
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break;
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case ABSOLUTE_TANK_D_PRESSURE:
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tank = 2;
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pressure = value / 4.0;
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sample.pressure.tank = tank;
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sample.pressure.value = pressure;
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if (callback) callback (SAMPLE_TYPE_PRESSURE, sample, userdata);
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break;
|
||||
case ABSOLUTE_TANK_2_PRESSURE:
|
||||
tank = 1;
|
||||
pressure = value / 4.0;
|
||||
sample.pressure.tank = tank;
|
||||
sample.pressure.value = pressure;
|
||||
if (callback) callback (SAMPLE_TYPE_PRESSURE, sample, userdata);
|
||||
break;
|
||||
case ABSOLUTE_TANK_1_PRESSURE:
|
||||
tank = 0;
|
||||
pressure = value / 4.0;
|
||||
sample.pressure.tank = tank;
|
||||
sample.pressure.value = pressure;
|
||||
if (callback) callback (SAMPLE_TYPE_PRESSURE, sample, userdata);
|
||||
break;
|
||||
case ABSOLUTE_RBT:
|
||||
rbt = value;
|
||||
sample.rbt = rbt;
|
||||
if (callback) callback (SAMPLE_TYPE_RBT, sample, userdata);
|
||||
break;
|
||||
default:
|
||||
WARNING ("Unknown sample type.");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
assert (offset == size);
|
||||
|
||||
return PARSER_STATUS_SUCCESS;
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user