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/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/iterator.h>
#include "dctool.h"
static int
dctool_list_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *dummy)
{
// Default option values.
unsigned int help = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "h";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_list);
return EXIT_SUCCESS;
}
dc_iterator_t *iterator = NULL;
dc_descriptor_t *descriptor = NULL;
dc_descriptor_iterator (&iterator);
while (dc_iterator_next (iterator, &descriptor) == DC_STATUS_SUCCESS) {
printf ("%s %s\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor));
dc_descriptor_free (descriptor);
}
dc_iterator_free (iterator);
return EXIT_SUCCESS;
}
const dctool_command_t dctool_list = {
dctool_list_run,
DCTOOL_CONFIG_NONE,
"list",
"List supported devices",
"Usage:\n"
" dctool list [options]\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
#else
" -h Show help message\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_list.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/device.h>
#include <libdivecomputer/parser.h>
#include "dctool.h"
#include "common.h"
#include "output.h"
#include "utils.h"
typedef struct event_data_t {
const char *cachedir;
dc_event_devinfo_t devinfo;
} event_data_t;
typedef struct dive_data_t {
dc_device_t *device;
dc_buffer_t **fingerprint;
unsigned int number;
dctool_output_t *output;
} dive_data_t;
static int
dive_cb (const unsigned char *data, unsigned int size, const unsigned char *fingerprint, unsigned int fsize, void *userdata)
{
dive_data_t *divedata = (dive_data_t *) userdata;
dc_status_t rc = DC_STATUS_SUCCESS;
dc_parser_t *parser = NULL;
divedata->number++;
message ("Dive: number=%u, size=%u, fingerprint=", divedata->number, size);
for (unsigned int i = 0; i < fsize; ++i)
message ("%02X", fingerprint[i]);
message ("\n");
// Keep a copy of the most recent fingerprint. Because dives are
// guaranteed to be downloaded in reverse order, the most recent
// dive is always the first dive.
if (divedata->number == 1) {
dc_buffer_t *fp = dc_buffer_new (fsize);
dc_buffer_append (fp, fingerprint, fsize);
*divedata->fingerprint = fp;
}
// Create the parser.
message ("Creating the parser.\n");
rc = dc_parser_new (&parser, divedata->device);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error creating the parser.");
goto cleanup;
}
// Register the data.
message ("Registering the data.\n");
rc = dc_parser_set_data (parser, data, size);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the data.");
goto cleanup;
}
// Parse the dive data.
message ("Parsing the dive data.\n");
rc = dctool_output_write (divedata->output, parser, data, size, fingerprint, fsize);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error parsing the dive data.");
goto cleanup;
}
cleanup:
dc_parser_destroy (parser);
return 1;
}
static void
event_cb (dc_device_t *device, dc_event_type_t event, const void *data, void *userdata)
{
const dc_event_devinfo_t *devinfo = (const dc_event_devinfo_t *) data;
event_data_t *eventdata = (event_data_t *) userdata;
// Forward to the default event handler.
dctool_event_cb (device, event, data, userdata);
switch (event) {
case DC_EVENT_DEVINFO:
// Load the fingerprint from the cache. If there is no
// fingerprint present in the cache, a NULL buffer is returned,
// and the registered fingerprint will be cleared.
if (eventdata->cachedir) {
char filename[1024] = {0};
dc_family_t family = DC_FAMILY_NULL;
dc_buffer_t *fingerprint = NULL;
// Generate the fingerprint filename.
family = dc_device_get_type (device);
snprintf (filename, sizeof (filename), "%s/%s-%08X.bin",
eventdata->cachedir, dctool_family_name (family), devinfo->serial);
// Read the fingerprint file.
fingerprint = dctool_file_read (filename);
// Register the fingerprint data.
dc_device_set_fingerprint (device,
dc_buffer_get_data (fingerprint),
dc_buffer_get_size (fingerprint));
// Free the buffer again.
dc_buffer_free (fingerprint);
}
// Keep a copy of the event data. It will be used for generating
// the fingerprint filename again after a (successful) download.
eventdata->devinfo = *devinfo;
break;
default:
break;
}
}
static dc_status_t
download (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, const char *cachedir, dc_buffer_t *fingerprint, dctool_output_t *output)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_device_t *device = NULL;
dc_buffer_t *ofingerprint = NULL;
// Open the device.
message ("Opening the device (%s %s, %s).\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor),
devname ? devname : "null");
rc = dc_device_open (&device, context, descriptor, devname);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error opening the device.");
goto cleanup;
}
// Initialize the event data.
event_data_t eventdata = {0};
if (fingerprint) {
eventdata.cachedir = NULL;
} else {
eventdata.cachedir = cachedir;
}
// Register the event handler.
message ("Registering the event handler.\n");
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK | DC_EVENT_VENDOR;
rc = dc_device_set_events (device, events, event_cb, &eventdata);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the event handler.");
goto cleanup;
}
// Register the cancellation handler.
message ("Registering the cancellation handler.\n");
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the cancellation handler.");
goto cleanup;
}
// Register the fingerprint data.
if (fingerprint) {
message ("Registering the fingerprint data.\n");
rc = dc_device_set_fingerprint (device, dc_buffer_get_data (fingerprint), dc_buffer_get_size (fingerprint));
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the fingerprint data.");
goto cleanup;
}
}
// Initialize the dive data.
dive_data_t divedata = {0};
divedata.device = device;
divedata.fingerprint = &ofingerprint;
divedata.number = 0;
divedata.output = output;
// Download the dives.
message ("Downloading the dives.\n");
rc = dc_device_foreach (device, dive_cb, &divedata);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error downloading the dives.");
goto cleanup;
}
// Store the fingerprint data.
if (cachedir && ofingerprint) {
char filename[1024] = {0};
dc_family_t family = DC_FAMILY_NULL;
// Generate the fingerprint filename.
family = dc_device_get_type (device);
snprintf (filename, sizeof (filename), "%s/%s-%08X.bin",
cachedir, dctool_family_name (family), eventdata.devinfo.serial);
// Write the fingerprint file.
dctool_file_write (filename, ofingerprint);
}
cleanup:
dc_buffer_free (ofingerprint);
dc_device_close (device);
return rc;
}
static int
dctool_download_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
dc_buffer_t *fingerprint = NULL;
dctool_output_t *output = NULL;
dctool_units_t units = DCTOOL_UNITS_METRIC;
// Default option values.
unsigned int help = 0;
const char *fphex = NULL;
const char *filename = NULL;
const char *cachedir = NULL;
const char *format = "xml";
// Parse the command-line options.
int opt = 0;
const char *optstring = "ho:p:c:f:u:";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"output", required_argument, 0, 'o'},
{"fingerprint", required_argument, 0, 'p'},
{"cache", required_argument, 0, 'c'},
{"format", required_argument, 0, 'f'},
{"units", required_argument, 0, 'u'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
case 'o':
filename = optarg;
break;
case 'p':
fphex = optarg;
break;
case 'c':
cachedir = optarg;
break;
case 'f':
format = optarg;
break;
case 'u':
if (strcmp (optarg, "metric") == 0)
units = DCTOOL_UNITS_METRIC;
if (strcmp (optarg, "imperial") == 0)
units = DCTOOL_UNITS_IMPERIAL;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_download);
return EXIT_SUCCESS;
}
// Convert the fingerprint to binary.
fingerprint = dctool_convert_hex2bin (fphex);
// Create the output.
if (strcasecmp(format, "raw") == 0) {
output = dctool_raw_output_new (filename);
} else if (strcasecmp(format, "xml") == 0) {
output = dctool_xml_output_new (filename, units);
} else {
message ("Unknown output format: %s\n", format);
exitcode = EXIT_FAILURE;
goto cleanup;
}
if (output == NULL) {
message ("Failed to create the output.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Download the dives.
status = download (context, descriptor, argv[0], cachedir, fingerprint, output);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
cleanup:
dctool_output_free (output);
dc_buffer_free (fingerprint);
return exitcode;
}
const dctool_command_t dctool_download = {
dctool_download_run,
DCTOOL_CONFIG_DESCRIPTOR,
"download",
"Download the dives",
"Usage:\n"
" dctool download [options] <devname>\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -o, --output <filename> Output filename\n"
" -p, --fingerprint <data> Fingerprint data (hexadecimal)\n"
" -c, --cache <directory> Cache directory\n"
" -f, --format <format> Output format\n"
" -u, --units <units> Set units (metric or imperial)\n"
#else
" -h Show help message\n"
" -o <filename> Output filename\n"
" -p <fingerprint> Fingerprint data (hexadecimal)\n"
" -c <directory> Cache directory\n"
" -f <format> Output format\n"
" -u <units> Set units (metric or imperial)\n"
#endif
"\n"
"Supported output formats:\n"
"\n"
" XML (default)\n"
"\n"
" All dives are exported to a single xml file.\n"
"\n"
" RAW\n"
"\n"
" Each dive is exported to a raw (binary) file. To output multiple\n"
" files, the filename is interpreted as a template and should\n"
" contain one or more placeholders.\n"
"\n"
"Supported template placeholders:\n"
"\n"
" %f Fingerprint (hexadecimal format)\n"
" %n Number (4 digits)\n"
" %t Timestamp (basic ISO 8601 date/time format)\n"
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_download.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#include <string.h>
#include <stdio.h>
#ifdef _WIN32
#include <io.h>
#include <fcntl.h>
#endif
#include "common.h"
#include "utils.h"
#ifdef _WIN32
#define DC_TICKS_FORMAT "%I64d"
#else
#define DC_TICKS_FORMAT "%lld"
#endif
#define C_ARRAY_SIZE(array) (sizeof (array) / sizeof *(array))
typedef struct backend_table_t {
const char *name;
dc_family_t type;
unsigned int model;
} backend_table_t;
static const backend_table_t g_backends[] = {
{"solution", DC_FAMILY_SUUNTO_SOLUTION, 0},
{"eon", DC_FAMILY_SUUNTO_EON, 0},
{"vyper", DC_FAMILY_SUUNTO_VYPER, 0x0A},
{"vyper2", DC_FAMILY_SUUNTO_VYPER2, 0x10},
{"d9", DC_FAMILY_SUUNTO_D9, 0x0E},
{"eonsteel", DC_FAMILY_SUUNTO_EONSTEEL, 0},
{"aladin", DC_FAMILY_UWATEC_ALADIN, 0x3F},
{"memomouse", DC_FAMILY_UWATEC_MEMOMOUSE, 0},
{"smart", DC_FAMILY_UWATEC_SMART, 0x10},
{"meridian", DC_FAMILY_UWATEC_MERIDIAN, 0x20},
{"g2", DC_FAMILY_UWATEC_G2, 0x11},
{"sensus", DC_FAMILY_REEFNET_SENSUS, 1},
{"sensuspro", DC_FAMILY_REEFNET_SENSUSPRO, 2},
{"sensusultra", DC_FAMILY_REEFNET_SENSUSULTRA, 3},
{"vtpro", DC_FAMILY_OCEANIC_VTPRO, 0x4245},
{"veo250", DC_FAMILY_OCEANIC_VEO250, 0x424C},
{"atom2", DC_FAMILY_OCEANIC_ATOM2, 0x4342},
{"nemo", DC_FAMILY_MARES_NEMO, 0},
{"puck", DC_FAMILY_MARES_PUCK, 7},
{"darwin", DC_FAMILY_MARES_DARWIN, 0},
{"iconhd", DC_FAMILY_MARES_ICONHD, 0x14},
{"ostc", DC_FAMILY_HW_OSTC, 0},
{"frog", DC_FAMILY_HW_FROG, 0},
{"ostc3", DC_FAMILY_HW_OSTC3, 0x0A},
{"edy", DC_FAMILY_CRESSI_EDY, 0x08},
{"leonardo", DC_FAMILY_CRESSI_LEONARDO, 1},
{"n2ition3", DC_FAMILY_ZEAGLE_N2ITION3, 0},
{"cobalt", DC_FAMILY_ATOMICS_COBALT, 0},
{"predator", DC_FAMILY_SHEARWATER_PREDATOR, 2},
{"petrel", DC_FAMILY_SHEARWATER_PETREL, 3},
{"nitekq", DC_FAMILY_DIVERITE_NITEKQ, 0},
{"aqualand", DC_FAMILY_CITIZEN_AQUALAND, 0},
{"idive", DC_FAMILY_DIVESYSTEM_IDIVE, 0x03},
{"cochran", DC_FAMILY_COCHRAN_COMMANDER, 0},
};
const char *
dctool_errmsg (dc_status_t status)
{
switch (status) {
case DC_STATUS_SUCCESS:
return "Success";
case DC_STATUS_UNSUPPORTED:
return "Unsupported operation";
case DC_STATUS_INVALIDARGS:
return "Invalid arguments";
case DC_STATUS_NOMEMORY:
return "Out of memory";
case DC_STATUS_NODEVICE:
return "No device found";
case DC_STATUS_NOACCESS:
return "Access denied";
case DC_STATUS_IO:
return "Input/output error";
case DC_STATUS_TIMEOUT:
return "Timeout";
case DC_STATUS_PROTOCOL:
return "Protocol error";
case DC_STATUS_DATAFORMAT:
return "Data format error";
case DC_STATUS_CANCELLED:
return "Cancelled";
default:
return "Unknown error";
}
}
dc_family_t
dctool_family_type (const char *name)
{
for (unsigned int i = 0; i < C_ARRAY_SIZE (g_backends); ++i) {
if (strcmp (name, g_backends[i].name) == 0)
return g_backends[i].type;
}
return DC_FAMILY_NULL;
}
const char *
dctool_family_name (dc_family_t type)
{
for (unsigned int i = 0; i < C_ARRAY_SIZE (g_backends); ++i) {
if (g_backends[i].type == type)
return g_backends[i].name;
}
return NULL;
}
unsigned int
dctool_family_model (dc_family_t type)
{
for (unsigned int i = 0; i < C_ARRAY_SIZE (g_backends); ++i) {
if (g_backends[i].type == type)
return g_backends[i].model;
}
return 0;
}
void
dctool_event_cb (dc_device_t *device, dc_event_type_t event, const void *data, void *userdata)
{
const dc_event_progress_t *progress = (const dc_event_progress_t *) data;
const dc_event_devinfo_t *devinfo = (const dc_event_devinfo_t *) data;
const dc_event_clock_t *clock = (const dc_event_clock_t *) data;
const dc_event_vendor_t *vendor = (const dc_event_vendor_t *) data;
switch (event) {
case DC_EVENT_WAITING:
message ("Event: waiting for user action\n");
break;
case DC_EVENT_PROGRESS:
message ("Event: progress %3.2f%% (%u/%u)\n",
100.0 * (double) progress->current / (double) progress->maximum,
progress->current, progress->maximum);
break;
case DC_EVENT_DEVINFO:
message ("Event: model=%u (0x%08x), firmware=%u (0x%08x), serial=%u (0x%08x)\n",
devinfo->model, devinfo->model,
devinfo->firmware, devinfo->firmware,
devinfo->serial, devinfo->serial);
break;
case DC_EVENT_CLOCK:
message ("Event: systime=" DC_TICKS_FORMAT ", devtime=%u\n",
clock->systime, clock->devtime);
break;
case DC_EVENT_VENDOR:
message ("Event: vendor=");
for (unsigned int i = 0; i < vendor->size; ++i)
message ("%02X", vendor->data[i]);
message ("\n");
break;
default:
break;
}
}
dc_status_t
dctool_descriptor_search (dc_descriptor_t **out, const char *name, dc_family_t family, unsigned int model)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_iterator_t *iterator = NULL;
rc = dc_descriptor_iterator (&iterator);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error creating the device descriptor iterator.");
return rc;
}
dc_descriptor_t *descriptor = NULL, *current = NULL;
while ((rc = dc_iterator_next (iterator, &descriptor)) == DC_STATUS_SUCCESS) {
if (name) {
const char *vendor = dc_descriptor_get_vendor (descriptor);
const char *product = dc_descriptor_get_product (descriptor);
size_t n = strlen (vendor);
if (strncasecmp (name, vendor, n) == 0 && name[n] == ' ' &&
strcasecmp (name + n + 1, product) == 0)
{
current = descriptor;
break;
} else if (strcasecmp (name, product) == 0) {
current = descriptor;
break;
}
} else {
if (family == dc_descriptor_get_type (descriptor)) {
if (model == dc_descriptor_get_model (descriptor)) {
// Exact match found. Return immediately.
dc_descriptor_free (current);
current = descriptor;
break;
} else {
// Possible match found. Keep searching for an exact match.
// If no exact match is found, the first match is returned.
if (current == NULL) {
current = descriptor;
descriptor = NULL;
}
}
}
}
dc_descriptor_free (descriptor);
}
if (rc != DC_STATUS_SUCCESS && rc != DC_STATUS_DONE) {
dc_descriptor_free (current);
dc_iterator_free (iterator);
ERROR ("Error iterating the device descriptors.");
return rc;
}
dc_iterator_free (iterator);
*out = current;
return DC_STATUS_SUCCESS;
}
static unsigned char
hex2dec (unsigned char value)
{
if (value >= '0' && value <= '9')
return value - '0';
else if (value >= 'A' && value <= 'F')
return value - 'A' + 10;
else if (value >= 'a' && value <= 'f')
return value - 'a' + 10;
else
return 0;
}
dc_buffer_t *
dctool_convert_hex2bin (const char *str)
{
// Get the length of the fingerprint data.
size_t nbytes = (str ? strlen (str) / 2 : 0);
if (nbytes == 0)
return NULL;
// Allocate a memory buffer.
dc_buffer_t *buffer = dc_buffer_new (nbytes);
// Convert the hexadecimal string.
for (unsigned int i = 0; i < nbytes; ++i) {
unsigned char msn = hex2dec (str[i * 2 + 0]);
unsigned char lsn = hex2dec (str[i * 2 + 1]);
unsigned char byte = (msn << 4) + lsn;
dc_buffer_append (buffer, &byte, 1);
}
return buffer;
}
void
dctool_file_write (const char *filename, dc_buffer_t *buffer)
{
FILE *fp = NULL;
// Open the file.
if (filename) {
fp = fopen (filename, "wb");
} else {
fp = stdout;
#ifdef _WIN32
// Change from text mode to binary mode.
_setmode (_fileno (fp), _O_BINARY);
#endif
}
if (fp == NULL)
return;
// Write the entire buffer to the file.
fwrite (dc_buffer_get_data (buffer), 1, dc_buffer_get_size (buffer), fp);
// Close the file.
fclose (fp);
}
dc_buffer_t *
dctool_file_read (const char *filename)
{
FILE *fp = NULL;
// Open the file.
if (filename) {
fp = fopen (filename, "rb");
} else {
fp = stdin;
#ifdef _WIN32
// Change from text mode to binary mode.
_setmode (_fileno (fp), _O_BINARY);
#endif
}
if (fp == NULL)
return NULL;
// Allocate a memory buffer.
dc_buffer_t *buffer = dc_buffer_new (0);
// Read the entire file into the buffer.
size_t n = 0;
unsigned char block[1024] = {0};
while ((n = fread (block, 1, sizeof (block), fp)) > 0) {
dc_buffer_append (buffer, block, n);
}
// Close the file.
fclose (fp);
return buffer;
}
| libdc-for-dirk-Subsurface-branch | examples/common.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/device.h>
#include <libdivecomputer/hw_ostc.h>
#include <libdivecomputer/hw_ostc3.h>
#include "dctool.h"
#include "common.h"
#include "utils.h"
static dc_status_t
fwupdate (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, const char *hexfile)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_device_t *device = NULL;
// Open the device.
message ("Opening the device (%s %s, %s).\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor),
devname ? devname : "null");
rc = dc_device_open (&device, context, descriptor, devname);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error opening the device.");
goto cleanup;
}
// Register the event handler.
message ("Registering the event handler.\n");
int events = DC_EVENT_PROGRESS;
rc = dc_device_set_events (device, events, dctool_event_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the event handler.");
goto cleanup;
}
// Register the cancellation handler.
message ("Registering the cancellation handler.\n");
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the cancellation handler.");
goto cleanup;
}
// Update the firmware.
message ("Updating the firmware.\n");
switch (dc_device_get_type (device)) {
case DC_FAMILY_HW_OSTC:
rc = hw_ostc_device_fwupdate (device, hexfile);
break;
case DC_FAMILY_HW_OSTC3:
rc = hw_ostc3_device_fwupdate (device, hexfile);
break;
default:
rc = DC_STATUS_UNSUPPORTED;
break;
}
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error updating the firmware.");
goto cleanup;
}
cleanup:
dc_device_close (device);
return rc;
}
static int
dctool_fwupdate_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
// Default option values.
unsigned int help = 0;
const char *filename = NULL;
// Parse the command-line options.
int opt = 0;
const char *optstring = "hf:";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"firmware", required_argument, 0, 'f'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'f':
filename = optarg;
break;
case 'h':
help = 1;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_fwupdate);
return EXIT_SUCCESS;
}
// Check mandatory arguments.
if (!filename) {
message ("No firmware file specified.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Update the firmware.
status = fwupdate (context, descriptor, argv[0], filename);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
cleanup:
return exitcode;
}
const dctool_command_t dctool_fwupdate = {
dctool_fwupdate_run,
DCTOOL_CONFIG_DESCRIPTOR,
"fwupdate",
"Update the firmware",
"Usage:\n"
" dctool fwupdate [options]\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -f, --firmware <filename> Firmware filename\n"
#else
" -h Show help message\n"
" -f <filename> Firmware filename\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_fwupdate.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/parser.h>
#include "dctool.h"
#include "output.h"
#include "common.h"
#include "utils.h"
#define REACTPROWHITE 0x4354
static dc_status_t
parse (dc_buffer_t *buffer, dc_context_t *context, dc_descriptor_t *descriptor, unsigned int devtime, dc_ticks_t systime, dctool_output_t *output)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_parser_t *parser = NULL;
unsigned char *data = dc_buffer_get_data (buffer);
unsigned int size = dc_buffer_get_size (buffer);
// Create the parser.
message ("Creating the parser.\n");
rc = dc_parser_new2 (&parser, context, descriptor, devtime, systime);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error creating the parser.");
goto cleanup;
}
// Register the data.
message ("Registering the data.\n");
rc = dc_parser_set_data (parser, data, size);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the data.");
goto cleanup;
}
// Parse the dive data.
message ("Parsing the dive data.\n");
rc = dctool_output_write (output, parser, data, size, NULL, 0);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error parsing the dive data.");
goto cleanup;
}
cleanup:
dc_parser_destroy (parser);
return rc;
}
static int
dctool_parse_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
// Default values.
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
dc_buffer_t *buffer = NULL;
dctool_output_t *output = NULL;
dctool_units_t units = DCTOOL_UNITS_METRIC;
// Default option values.
unsigned int help = 0;
const char *filename = NULL;
unsigned int devtime = 0;
dc_ticks_t systime = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "ho:d:s:u:";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"output", required_argument, 0, 'o'},
{"devtime", required_argument, 0, 'd'},
{"systime", required_argument, 0, 's'},
{"units", required_argument, 0, 'u'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
case 'o':
filename = optarg;
break;
case 'd':
devtime = strtoul (optarg, NULL, 0);
break;
case 's':
systime = strtoll (optarg, NULL, 0);
break;
case 'u':
if (strcmp (optarg, "metric") == 0)
units = DCTOOL_UNITS_METRIC;
if (strcmp (optarg, "imperial") == 0)
units = DCTOOL_UNITS_IMPERIAL;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_parse);
return EXIT_SUCCESS;
}
// Create the output.
output = dctool_xml_output_new (filename, units);
if (output == NULL) {
message ("Failed to create the output.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
for (unsigned int i = 0; i < argc; ++i) {
// Read the input file.
buffer = dctool_file_read (argv[i]);
if (buffer == NULL) {
message ("Failed to open the input file.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Parse the dive.
status = parse (buffer, context, descriptor, devtime, systime, output);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Cleanup.
dc_buffer_free (buffer);
buffer = NULL;
}
cleanup:
dc_buffer_free (buffer);
dctool_output_free (output);
return exitcode;
}
const dctool_command_t dctool_parse = {
dctool_parse_run,
DCTOOL_CONFIG_DESCRIPTOR,
"parse",
"Parse previously downloaded dives",
"Usage:\n"
" dctool parse [options] <filename>\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -o, --output <filename> Output filename\n"
" -d, --devtime <timestamp> Device time\n"
" -s, --systime <timestamp> System time\n"
" -u, --units <units> Set units (metric or imperial)\n"
#else
" -h Show help message\n"
" -o <filename> Output filename\n"
" -d <devtime> Device time\n"
" -s <systime> System time\n"
" -u <units> Set units (metric or imperial)\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_parse.c |
/*
* libdivecomputer
*
* Copyright (C) 2016 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
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <libdivecomputer/units.h>
#include "output-private.h"
#include "utils.h"
static dc_status_t dctool_xml_output_write (dctool_output_t *output, dc_parser_t *parser, const unsigned char data[], unsigned int size, const unsigned char fingerprint[], unsigned int fsize);
static dc_status_t dctool_xml_output_free (dctool_output_t *output);
typedef struct dctool_xml_output_t {
dctool_output_t base;
FILE *ostream;
dctool_units_t units;
} dctool_xml_output_t;
static const dctool_output_vtable_t xml_vtable = {
sizeof(dctool_xml_output_t), /* size */
dctool_xml_output_write, /* write */
dctool_xml_output_free, /* free */
};
typedef struct sample_data_t {
FILE *ostream;
dctool_units_t units;
unsigned int nsamples;
} sample_data_t;
static double
convert_depth (double value, dctool_units_t units)
{
if (units == DCTOOL_UNITS_IMPERIAL) {
return value / FEET;
} else {
return value;
}
}
static double
convert_temperature (double value, dctool_units_t units)
{
if (units == DCTOOL_UNITS_IMPERIAL) {
return value * (9.0 / 5.0) + 32.0;
} else {
return value;
}
}
static double
convert_pressure (double value, dctool_units_t units)
{
if (units == DCTOOL_UNITS_IMPERIAL) {
return value * BAR / PSI;
} else {
return value;
}
}
static double
convert_volume (double value, dctool_units_t units)
{
if (units == DCTOOL_UNITS_IMPERIAL) {
return value / 1000.0 / CUFT;
} else {
return value;
}
}
static void
sample_cb (dc_sample_type_t type, dc_sample_value_t value, void *userdata)
{
static const char *events[] = {
"none", "deco", "rbt", "ascent", "ceiling", "workload", "transmitter",
"violation", "bookmark", "surface", "safety stop", "gaschange",
"safety stop (voluntary)", "safety stop (mandatory)", "deepstop",
"ceiling (safety stop)", "floor", "divetime", "maxdepth",
"OLF", "PO2", "airtime", "rgbm", "heading", "tissue level warning",
"gaschange2"};
static const char *decostop[] = {
"ndl", "safety", "deco", "deep"};
sample_data_t *sampledata = (sample_data_t *) userdata;
switch (type) {
case DC_SAMPLE_TIME:
if (sampledata->nsamples++)
fprintf (sampledata->ostream, "</sample>\n");
fprintf (sampledata->ostream, "<sample>\n");
fprintf (sampledata->ostream, " <time>%02u:%02u</time>\n", value.time / 60, value.time % 60);
break;
case DC_SAMPLE_DEPTH:
fprintf (sampledata->ostream, " <depth>%.2f</depth>\n",
convert_depth(value.depth, sampledata->units));
break;
case DC_SAMPLE_PRESSURE:
fprintf (sampledata->ostream, " <pressure tank=\"%u\">%.2f</pressure>\n",
value.pressure.tank,
convert_pressure(value.pressure.value, sampledata->units));
break;
case DC_SAMPLE_TEMPERATURE:
fprintf (sampledata->ostream, " <temperature>%.2f</temperature>\n",
convert_temperature(value.temperature, sampledata->units));
break;
case DC_SAMPLE_EVENT:
if (value.event.type != SAMPLE_EVENT_GASCHANGE && value.event.type != SAMPLE_EVENT_GASCHANGE2) {
fprintf (sampledata->ostream, " <event type=\"%u\" time=\"%u\" flags=\"%u\" value=\"%u\">%s</event>\n",
value.event.type, value.event.time, value.event.flags, value.event.value, events[value.event.type]);
}
break;
case DC_SAMPLE_RBT:
fprintf (sampledata->ostream, " <rbt>%u</rbt>\n", value.rbt);
break;
case DC_SAMPLE_HEARTBEAT:
fprintf (sampledata->ostream, " <heartbeat>%u</heartbeat>\n", value.heartbeat);
break;
case DC_SAMPLE_BEARING:
fprintf (sampledata->ostream, " <bearing>%u</bearing>\n", value.bearing);
break;
case DC_SAMPLE_VENDOR:
fprintf (sampledata->ostream, " <vendor type=\"%u\" size=\"%u\">", value.vendor.type, value.vendor.size);
for (unsigned int i = 0; i < value.vendor.size; ++i)
fprintf (sampledata->ostream, "%02X", ((const unsigned char *) value.vendor.data)[i]);
fprintf (sampledata->ostream, "</vendor>\n");
break;
case DC_SAMPLE_SETPOINT:
fprintf (sampledata->ostream, " <setpoint>%.2f</setpoint>\n", value.setpoint);
break;
case DC_SAMPLE_PPO2:
fprintf (sampledata->ostream, " <ppo2>%.2f</ppo2>\n", value.ppo2);
break;
case DC_SAMPLE_CNS:
fprintf (sampledata->ostream, " <cns>%.1f</cns>\n", value.cns * 100.0);
break;
case DC_SAMPLE_DECO:
fprintf (sampledata->ostream, " <deco time=\"%u\" depth=\"%.2f\">%s</deco>\n",
value.deco.time,
convert_depth(value.deco.depth, sampledata->units),
decostop[value.deco.type]);
break;
case DC_SAMPLE_GASMIX:
fprintf (sampledata->ostream, " <gasmix>%u</gasmix>\n", value.gasmix);
break;
default:
break;
}
}
dctool_output_t *
dctool_xml_output_new (const char *filename, dctool_units_t units)
{
dctool_xml_output_t *output = NULL;
if (filename == NULL)
goto error_exit;
// Allocate memory.
output = (dctool_xml_output_t *) dctool_output_allocate (&xml_vtable);
if (output == NULL) {
goto error_exit;
}
// Open the output file.
output->ostream = fopen (filename, "w");
if (output->ostream == NULL) {
goto error_free;
}
output->units = units;
fprintf (output->ostream, "<device>\n");
return (dctool_output_t *) output;
error_free:
dctool_output_deallocate ((dctool_output_t *) output);
error_exit:
return NULL;
}
static dc_status_t
dctool_xml_output_write (dctool_output_t *abstract, dc_parser_t *parser, const unsigned char data[], unsigned int size, const unsigned char fingerprint[], unsigned int fsize)
{
dctool_xml_output_t *output = (dctool_xml_output_t *) abstract;
dc_status_t status = DC_STATUS_SUCCESS;
// Initialize the sample data.
sample_data_t sampledata = {0};
sampledata.nsamples = 0;
sampledata.ostream = output->ostream;
sampledata.units = output->units;
fprintf (output->ostream, "<dive>\n<number>%u</number>\n<size>%u</size>\n", abstract->number, size);
if (fingerprint) {
fprintf (output->ostream, "<fingerprint>");
for (unsigned int i = 0; i < fsize; ++i)
fprintf (output->ostream, "%02X", fingerprint[i]);
fprintf (output->ostream, "</fingerprint>\n");
}
// Parse the datetime.
message ("Parsing the datetime.\n");
dc_datetime_t dt = {0};
status = dc_parser_get_datetime (parser, &dt);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the datetime.");
goto cleanup;
}
if (dt.timezone == DC_TIMEZONE_NONE) {
fprintf (output->ostream, "<datetime>%04i-%02i-%02i %02i:%02i:%02i</datetime>\n",
dt.year, dt.month, dt.day,
dt.hour, dt.minute, dt.second);
} else {
fprintf (output->ostream, "<datetime>%04i-%02i-%02i %02i:%02i:%02i %+03i:%02i</datetime>\n",
dt.year, dt.month, dt.day,
dt.hour, dt.minute, dt.second,
dt.timezone / 3600, (dt.timezone % 3600) / 60);
}
// Parse the divetime.
message ("Parsing the divetime.\n");
unsigned int divetime = 0;
status = dc_parser_get_field (parser, DC_FIELD_DIVETIME, 0, &divetime);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the divetime.");
goto cleanup;
}
fprintf (output->ostream, "<divetime>%02u:%02u</divetime>\n",
divetime / 60, divetime % 60);
// Parse the maxdepth.
message ("Parsing the maxdepth.\n");
double maxdepth = 0.0;
status = dc_parser_get_field (parser, DC_FIELD_MAXDEPTH, 0, &maxdepth);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the maxdepth.");
goto cleanup;
}
fprintf (output->ostream, "<maxdepth>%.2f</maxdepth>\n",
convert_depth(maxdepth, output->units));
// Parse the temperature.
message ("Parsing the temperature.\n");
for (unsigned int i = 0; i < 3; ++i) {
dc_field_type_t fields[] = {DC_FIELD_TEMPERATURE_SURFACE,
DC_FIELD_TEMPERATURE_MINIMUM,
DC_FIELD_TEMPERATURE_MAXIMUM};
const char *names[] = {"surface", "minimum", "maximum"};
double temperature = 0.0;
status = dc_parser_get_field (parser, fields[i], 0, &temperature);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the temperature.");
goto cleanup;
}
if (status != DC_STATUS_UNSUPPORTED) {
fprintf (output->ostream, "<temperature type=\"%s\">%.1f</temperature>\n",
names[i],
convert_temperature(temperature, output->units));
}
}
// Parse the gas mixes.
message ("Parsing the gas mixes.\n");
unsigned int ngases = 0;
status = dc_parser_get_field (parser, DC_FIELD_GASMIX_COUNT, 0, &ngases);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the gas mix count.");
goto cleanup;
}
for (unsigned int i = 0; i < ngases; ++i) {
dc_gasmix_t gasmix = {0};
status = dc_parser_get_field (parser, DC_FIELD_GASMIX, i, &gasmix);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the gas mix.");
goto cleanup;
}
fprintf (output->ostream,
"<gasmix>\n"
" <he>%.1f</he>\n"
" <o2>%.1f</o2>\n"
" <n2>%.1f</n2>\n"
"</gasmix>\n",
gasmix.helium * 100.0,
gasmix.oxygen * 100.0,
gasmix.nitrogen * 100.0);
}
// Parse the tanks.
message ("Parsing the tanks.\n");
unsigned int ntanks = 0;
status = dc_parser_get_field (parser, DC_FIELD_TANK_COUNT, 0, &ntanks);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the tank count.");
goto cleanup;
}
for (unsigned int i = 0; i < ntanks; ++i) {
const char *names[] = {"none", "metric", "imperial"};
dc_tank_t tank = {0};
status = dc_parser_get_field (parser, DC_FIELD_TANK, i, &tank);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the tank.");
goto cleanup;
}
fprintf (output->ostream, "<tank>\n");
if (tank.gasmix != DC_GASMIX_UNKNOWN) {
fprintf (output->ostream,
" <gasmix>%u</gasmix>\n",
tank.gasmix);
}
if (tank.type != DC_TANKVOLUME_NONE) {
fprintf (output->ostream,
" <type>%s</type>\n"
" <volume>%.1f</volume>\n"
" <workpressure>%.2f</workpressure>\n",
names[tank.type],
convert_volume(tank.volume, output->units),
convert_pressure(tank.workpressure, output->units));
}
fprintf (output->ostream,
" <beginpressure>%.2f</beginpressure>\n"
" <endpressure>%.2f</endpressure>\n"
"</tank>\n",
convert_pressure(tank.beginpressure, output->units),
convert_pressure(tank.endpressure, output->units));
}
// Parse the dive mode.
message ("Parsing the dive mode.\n");
dc_divemode_t divemode = DC_DIVEMODE_OC;
status = dc_parser_get_field (parser, DC_FIELD_DIVEMODE, 0, &divemode);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the dive mode.");
goto cleanup;
}
if (status != DC_STATUS_UNSUPPORTED) {
const char *names[] = {"freedive", "gauge", "oc", "ccr", "scr"};
fprintf (output->ostream, "<divemode>%s</divemode>\n",
names[divemode]);
}
// Parse the salinity.
message ("Parsing the salinity.\n");
dc_salinity_t salinity = {DC_WATER_FRESH, 0.0};
status = dc_parser_get_field (parser, DC_FIELD_SALINITY, 0, &salinity);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the salinity.");
goto cleanup;
}
if (status != DC_STATUS_UNSUPPORTED) {
fprintf (output->ostream, "<salinity type=\"%u\">%.1f</salinity>\n",
salinity.type, salinity.density);
}
// Parse the atmospheric pressure.
message ("Parsing the atmospheric pressure.\n");
double atmospheric = 0.0;
status = dc_parser_get_field (parser, DC_FIELD_ATMOSPHERIC, 0, &atmospheric);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing the atmospheric pressure.");
goto cleanup;
}
if (status != DC_STATUS_UNSUPPORTED) {
fprintf (output->ostream, "<atmospheric>%.5f</atmospheric>\n",
convert_pressure(atmospheric, output->units));
}
message ("Parsing strings.\n");
int idx;
for (idx = 0; idx < 100; idx++) {
dc_field_string_t str = { NULL };
status = dc_parser_get_field(parser, DC_FIELD_STRING, idx, &str);
if (status != DC_STATUS_SUCCESS && status != DC_STATUS_UNSUPPORTED) {
ERROR ("Error parsing strings");
goto cleanup;
}
if (status == DC_STATUS_UNSUPPORTED)
break;
if (!str.desc || !str.value)
break;
fprintf (output->ostream, "<extradata key='%s' value='%s' />\n",
str.desc, str.value);
}
// Parse the sample data.
message ("Parsing the sample data.\n");
status = dc_parser_samples_foreach (parser, sample_cb, &sampledata);
if (status != DC_STATUS_SUCCESS) {
ERROR ("Error parsing the sample data.");
goto cleanup;
}
cleanup:
if (sampledata.nsamples)
fprintf (output->ostream, "</sample>\n");
fprintf (output->ostream, "</dive>\n");
return status;
}
static dc_status_t
dctool_xml_output_free (dctool_output_t *abstract)
{
dctool_xml_output_t *output = (dctool_xml_output_t *) abstract;
fprintf (output->ostream, "</device>\n");
fclose (output->ostream);
return DC_STATUS_SUCCESS;
}
| libdc-for-dirk-Subsurface-branch | examples/output_xml.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/device.h>
#include "dctool.h"
#include "common.h"
#include "utils.h"
static dc_status_t
doread (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, unsigned int address, dc_buffer_t *buffer)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_device_t *device = NULL;
// Open the device.
message ("Opening the device (%s %s, %s).\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor),
devname ? devname : "null");
rc = dc_device_open (&device, context, descriptor, devname);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error opening the device.");
goto cleanup;
}
// Register the event handler.
message ("Registering the event handler.\n");
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK | DC_EVENT_VENDOR;
rc = dc_device_set_events (device, events, dctool_event_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the event handler.");
goto cleanup;
}
// Register the cancellation handler.
message ("Registering the cancellation handler.\n");
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the cancellation handler.");
goto cleanup;
}
// Read data from the internal memory.
message ("Reading data from the internal memory.\n");
rc = dc_device_read (device, address, dc_buffer_get_data (buffer), dc_buffer_get_size (buffer));
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error reading from the internal memory.");
goto cleanup;
}
cleanup:
dc_device_close (device);
return rc;
}
static int
dctool_read_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
dc_buffer_t *buffer = NULL;
// Default option values.
unsigned int help = 0;
const char *filename = NULL;
unsigned int address = 0, have_address = 0;
unsigned int count = 0, have_count = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "ha:c:o:";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"address", required_argument, 0, 'a'},
{"count", required_argument, 0, 'c'},
{"output", required_argument, 0, 'o'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
case 'a':
address = strtoul (optarg, NULL, 0);
have_address = 1;
break;
case 'c':
count = strtoul (optarg, NULL, 0);
have_count = 1;
break;
case 'o':
filename = optarg;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_read);
return EXIT_SUCCESS;
}
// Check mandatory arguments.
if (!have_address || !have_count) {
message ("No memory address or byte count specified.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Allocate a memory buffer.
buffer = dc_buffer_new (count);
dc_buffer_resize (buffer, count);
if (buffer == NULL) {
message ("Failed to allocate a memory buffer.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Read data from the internal memory.
status = doread (context, descriptor, argv[0], address, buffer);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Write the buffer to file.
dctool_file_write (filename, buffer);
cleanup:
dc_buffer_free (buffer);
return exitcode;
}
const dctool_command_t dctool_read = {
dctool_read_run,
DCTOOL_CONFIG_DESCRIPTOR,
"read",
"Read data from the internal memory",
"Usage:\n"
" dctool read [options] <devname>\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -a, --address <address> Memory address\n"
" -c, --count <count> Number of bytes\n"
" -o, --output <filename> Output filename\n"
#else
" -h Show help message\n"
" -a <address> Memory address\n"
" -c <count> Number of bytes\n"
" -o <filename> Output filename\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_read.c |
/*
* libdivecomputer
*
* Copyright (C) 2016 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
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "output-private.h"
#include "utils.h"
static dc_status_t dctool_raw_output_write (dctool_output_t *output, dc_parser_t *parser, const unsigned char data[], unsigned int size, const unsigned char fingerprint[], unsigned int fsize);
static dc_status_t dctool_raw_output_free (dctool_output_t *output);
typedef struct dctool_raw_output_t {
dctool_output_t base;
char *template;
} dctool_raw_output_t;
static const dctool_output_vtable_t raw_vtable = {
sizeof(dctool_raw_output_t), /* size */
dctool_raw_output_write, /* write */
dctool_raw_output_free, /* free */
};
static int
mktemplate_fingerprint (char *buffer, size_t size, const unsigned char fingerprint[], size_t fsize)
{
const unsigned char ascii[] = {
'0', '1', '2', '3', '4', '5', '6', '7',
'8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
if (size < 2 * fsize + 1)
return -1;
for (size_t i = 0; i < fsize; ++i) {
// Set the most-significant nibble.
unsigned char msn = (fingerprint[i] >> 4) & 0x0F;
buffer[i * 2 + 0] = ascii[msn];
// Set the least-significant nibble.
unsigned char lsn = fingerprint[i] & 0x0F;
buffer[i * 2 + 1] = ascii[lsn];
}
// Null-terminate the string.
buffer[fsize * 2] = 0;
return fsize * 2;
}
static int
mktemplate_datetime (char *buffer, size_t size, dc_parser_t *parser)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_datetime_t datetime = {0};
int n = 0;
rc = dc_parser_get_datetime (parser, &datetime);
if (rc != DC_STATUS_SUCCESS)
return -1;
n = snprintf (buffer, size, "%04i%02i%02iT%02i%02i%02i",
datetime.year, datetime.month, datetime.day,
datetime.hour, datetime.minute, datetime.second);
if (n < 0 || n >= size)
return -1;
return n;
}
static int
mktemplate_number (char *buffer, size_t size, unsigned int number)
{
int n = 0;
n = snprintf (buffer, size, "%04u", number);
if (n < 0 || n >= size)
return -1;
return n;
}
static int
mktemplate (char *buffer, size_t size, const char *format, dc_parser_t *parser, const unsigned char fingerprint[], size_t fsize, unsigned int number)
{
const char *p = format;
size_t n = 0;
int len = 0;
char ch = 0;
while ((ch = *p++) != 0) {
if (ch != '%') {
if (n >= size)
return -1;
buffer[n] = ch;
n++;
continue;
}
ch = *p++;
switch (ch) {
case '%':
if (n >= size)
return -1;
buffer[n] = ch;
n++;
break;
case 't': // Timestamp
len = mktemplate_datetime (buffer + n, size - n, parser);
if (len < 0)
return -1;
n += len;
break;
case 'f': // Fingerprint
len = mktemplate_fingerprint (buffer + n, size - n, fingerprint, fsize);
if (len < 0)
return -1;
n += len;
break;
case 'n': // Number
len = mktemplate_number (buffer + n, size - n, number);
if (len < 0)
return -1;
n += len;
break;
default:
return -1;
}
}
// Null-terminate the string
if (n >= size)
return -1;
buffer[n] = 0;
return n;
}
dctool_output_t *
dctool_raw_output_new (const char *template)
{
dctool_raw_output_t *output = NULL;
if (template == NULL)
goto error_exit;
// Allocate memory.
output = (dctool_raw_output_t *) dctool_output_allocate (&raw_vtable);
if (output == NULL) {
goto error_exit;
}
output->template = strdup(template);
if (output->template == NULL) {
goto error_free;
}
return (dctool_output_t *) output;
error_free:
dctool_output_deallocate ((dctool_output_t *) output);
error_exit:
return NULL;
}
static dc_status_t
dctool_raw_output_write (dctool_output_t *abstract, dc_parser_t *parser, const unsigned char data[], unsigned int size, const unsigned char fingerprint[], unsigned int fsize)
{
dctool_raw_output_t *output = (dctool_raw_output_t *) abstract;
// Generate the filename.
char name[1024] = {0};
int ret = mktemplate (name, sizeof(name), output->template, parser, fingerprint, fsize, abstract->number);
if (ret < 0) {
ERROR("Failed to generate filename from template.");
return DC_STATUS_SUCCESS;
}
// Open the output file.
FILE *fp = fopen (name, "wb");
if (fp == NULL) {
ERROR("Failed to open the output file.");
return DC_STATUS_SUCCESS;
}
// Write the data.
fwrite (data, sizeof (unsigned char), size, fp);
fclose (fp);
return DC_STATUS_SUCCESS;
}
static dc_status_t
dctool_raw_output_free (dctool_output_t *abstract)
{
dctool_raw_output_t *output = (dctool_raw_output_t *) abstract;
free (output->template);
return DC_STATUS_SUCCESS;
}
| libdc-for-dirk-Subsurface-branch | examples/output_raw.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/device.h>
#include "dctool.h"
#include "common.h"
#include "utils.h"
static dc_status_t
dowrite (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, unsigned int address, dc_buffer_t *buffer)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_device_t *device = NULL;
// Open the device.
message ("Opening the device (%s %s, %s).\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor),
devname ? devname : "null");
rc = dc_device_open (&device, context, descriptor, devname);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error opening the device.");
goto cleanup;
}
// Register the event handler.
message ("Registering the event handler.\n");
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK | DC_EVENT_VENDOR;
rc = dc_device_set_events (device, events, dctool_event_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the event handler.");
goto cleanup;
}
// Register the cancellation handler.
message ("Registering the cancellation handler.\n");
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the cancellation handler.");
goto cleanup;
}
// Write data to the internal memory.
message ("Writing data to the internal memory.\n");
rc = dc_device_write (device, address, dc_buffer_get_data (buffer), dc_buffer_get_size (buffer));
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error writing to the internal memory.");
goto cleanup;
}
cleanup:
dc_device_close (device);
return rc;
}
static int
dctool_write_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
dc_buffer_t *buffer = NULL;
// Default option values.
unsigned int help = 0;
const char *filename = NULL;
unsigned int address = 0, have_address = 0;
unsigned int count = 0, have_count = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "ha:c:i:";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"address", required_argument, 0, 'a'},
{"count", required_argument, 0, 'c'},
{"input", required_argument, 0, 'i'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
case 'a':
address = strtoul (optarg, NULL, 0);
have_address = 1;
break;
case 'c':
count = strtoul (optarg, NULL, 0);
have_count = 1;
break;
case 'i':
filename = optarg;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_write);
return EXIT_SUCCESS;
}
// Check mandatory arguments.
if (!have_address) {
message ("No memory address specified.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Read the buffer from file.
buffer = dctool_file_read (filename);
if (buffer == NULL) {
message ("Failed to read the input file.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Check the number of bytes (if provided)
if (have_count && count != dc_buffer_get_size (buffer)) {
message ("Number of bytes doesn't match file length.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Write data to the internal memory.
status = dowrite (context, descriptor, argv[0], address, buffer);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
cleanup:
dc_buffer_free (buffer);
return exitcode;
}
const dctool_command_t dctool_write = {
dctool_write_run,
DCTOOL_CONFIG_DESCRIPTOR,
"write",
"Write data to the internal memory",
"Usage:\n"
" dctool write [options] <devname>\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -a, --address <address> Memory address\n"
" -c, --count <count> Number of bytes\n"
" -i, --input <filename> Input filename\n"
#else
" -h Show help message\n"
" -a <address> Memory address\n"
" -c <count> Number of bytes\n"
" -i <filename> Input filename\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_write.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include "dctool.h"
#include "utils.h"
static int
dctool_help_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
// Default option values.
unsigned int help = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "h";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_help);
return EXIT_SUCCESS;
}
// Try to find the command.
const dctool_command_t *command = NULL;
if (argv[0] != NULL) {
command = dctool_command_find (argv[0]);
if (command == NULL) {
message ("Unknown command %s.\n", argv[0]);
return EXIT_FAILURE;
}
}
// Show help message for the command.
dctool_command_showhelp (command);
return EXIT_SUCCESS;
}
const dctool_command_t dctool_help = {
dctool_help_run,
DCTOOL_CONFIG_NONE,
"help",
"Show basic help instructions",
"Usage:\n"
" dctool help [options] [<command>]\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
#else
" -h Show help message\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_help.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/device.h>
#include "dctool.h"
#include "common.h"
#include "utils.h"
static dc_status_t
dump (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, dc_buffer_t *fingerprint, dc_buffer_t *buffer)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_device_t *device = NULL;
// Open the device.
message ("Opening the device (%s %s, %s).\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor),
devname ? devname : "null");
rc = dc_device_open (&device, context, descriptor, devname);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error opening the device.");
goto cleanup;
}
// Register the event handler.
message ("Registering the event handler.\n");
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK | DC_EVENT_VENDOR;
rc = dc_device_set_events (device, events, dctool_event_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the event handler.");
goto cleanup;
}
// Register the cancellation handler.
message ("Registering the cancellation handler.\n");
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the cancellation handler.");
goto cleanup;
}
// Register the fingerprint data.
if (fingerprint) {
message ("Registering the fingerprint data.\n");
rc = dc_device_set_fingerprint (device, dc_buffer_get_data (fingerprint), dc_buffer_get_size (fingerprint));
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the fingerprint data.");
goto cleanup;
}
}
// Download the memory dump.
message ("Downloading the memory dump.\n");
rc = dc_device_dump (device, buffer);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error downloading the memory dump.");
goto cleanup;
}
cleanup:
dc_device_close (device);
return rc;
}
static int
dctool_dump_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
dc_buffer_t *fingerprint = NULL;
dc_buffer_t *buffer = NULL;
// Default option values.
unsigned int help = 0;
const char *fphex = NULL;
const char *filename = NULL;
// Parse the command-line options.
int opt = 0;
const char *optstring = "ho:p:";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"output", required_argument, 0, 'o'},
{"fingerprint", required_argument, 0, 'p'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
case 'o':
filename = optarg;
break;
case 'p':
fphex = optarg;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_dump);
return EXIT_SUCCESS;
}
// Convert the fingerprint to binary.
fingerprint = dctool_convert_hex2bin (fphex);
// Allocate a memory buffer.
buffer = dc_buffer_new (0);
// Download the memory dump.
status = dump (context, descriptor, argv[0], fingerprint, buffer);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Write the memory dump to disk.
dctool_file_write (filename, buffer);
cleanup:
dc_buffer_free (buffer);
dc_buffer_free (fingerprint);
return exitcode;
}
const dctool_command_t dctool_dump = {
dctool_dump_run,
DCTOOL_CONFIG_DESCRIPTOR,
"dump",
"Download a memory dump",
"Usage:\n"
" dctool dump [options] <devname>\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -o, --output <filename> Output filename\n"
" -p, --fingerprint <data> Fingerprint data (hexadecimal)\n"
#else
" -h Show help message\n"
" -o <filename> Output filename\n"
" -p <fingerprint> Fingerprint data (hexadecimal)\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_dump.c |
/*
* 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
*/
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <libdivecomputer/datetime.h>
#include <libdivecomputer/version.h>
#include "utils.h"
static FILE* g_logfile = NULL;
static unsigned char g_lastchar = '\n';
#ifdef _WIN32
#include <windows.h>
static LARGE_INTEGER g_timestamp, g_frequency;
#else
#include <sys/time.h>
static struct timeval g_timestamp;
#endif
int message (const char* fmt, ...)
{
va_list ap;
if (g_logfile) {
if (g_lastchar == '\n') {
#ifdef _WIN32
LARGE_INTEGER now, timestamp;
QueryPerformanceCounter(&now);
timestamp.QuadPart = now.QuadPart - g_timestamp.QuadPart;
timestamp.QuadPart *= 1000000;
timestamp.QuadPart /= g_frequency.QuadPart;
fprintf (g_logfile, "[%I64i.%06I64i] ", timestamp.QuadPart / 1000000, timestamp.QuadPart % 1000000);
#else
struct timeval now, timestamp;
gettimeofday (&now, NULL);
timersub (&now, &g_timestamp, ×tamp);
fprintf (g_logfile, "[%lli.%06lli] ", (long long)timestamp.tv_sec, (long long)timestamp.tv_usec);
#endif
}
size_t len = strlen (fmt);
if (len > 0)
g_lastchar = fmt[len - 1];
else
g_lastchar = 0;
va_start (ap, fmt);
vfprintf (g_logfile, fmt, ap);
va_end (ap);
}
va_start (ap, fmt);
int rc = vfprintf (stderr, fmt, ap);
va_end (ap);
return rc;
}
void message_set_logfile (const char* filename)
{
if (g_logfile) {
fclose (g_logfile);
g_logfile = NULL;
}
if (filename)
g_logfile = fopen (filename, "w");
if (g_logfile) {
g_lastchar = '\n';
#ifdef _WIN32
QueryPerformanceFrequency(&g_frequency);
QueryPerformanceCounter(&g_timestamp);
#else
gettimeofday (&g_timestamp, NULL);
#endif
dc_datetime_t dt = {0};
dc_ticks_t now = dc_datetime_now ();
dc_datetime_gmtime (&dt, now);
message ("DATETIME %u-%02u-%02uT%02u:%02u:%02uZ (%lu)\n",
dt.year, dt.month, dt.day, dt.hour, dt.minute, dt.second,
(unsigned long) now);
message ("VERSION %s\n", dc_version (NULL));
}
}
| libdc-for-dirk-Subsurface-branch | examples/utils.c |
/*
* libdivecomputer
*
* Copyright (C) 2017 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/device.h>
#include "dctool.h"
#include "common.h"
#include "utils.h"
static dc_status_t
do_timesync (dc_context_t *context, dc_descriptor_t *descriptor, const char *devname, const dc_datetime_t *datetime)
{
dc_status_t rc = DC_STATUS_SUCCESS;
dc_device_t *device = NULL;
// Open the device.
message ("Opening the device (%s %s, %s).\n",
dc_descriptor_get_vendor (descriptor),
dc_descriptor_get_product (descriptor),
devname ? devname : "null");
rc = dc_device_open (&device, context, descriptor, devname);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error opening the device.");
goto cleanup;
}
// Register the event handler.
message ("Registering the event handler.\n");
int events = DC_EVENT_WAITING | DC_EVENT_PROGRESS | DC_EVENT_DEVINFO | DC_EVENT_CLOCK | DC_EVENT_VENDOR;
rc = dc_device_set_events (device, events, dctool_event_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the event handler.");
goto cleanup;
}
// Register the cancellation handler.
message ("Registering the cancellation handler.\n");
rc = dc_device_set_cancel (device, dctool_cancel_cb, NULL);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error registering the cancellation handler.");
goto cleanup;
}
// Syncronize the device clock.
message ("Syncronize the device clock.\n");
rc = dc_device_timesync (device, datetime);
if (rc != DC_STATUS_SUCCESS) {
ERROR ("Error syncronizing the device clock.");
goto cleanup;
}
cleanup:
dc_device_close (device);
return rc;
}
static int
dctool_timesync_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
// Default option values.
unsigned int help = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "h";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_timesync);
return EXIT_SUCCESS;
}
// Get the system time.
dc_datetime_t datetime = {0};
dc_ticks_t now = dc_datetime_now ();
if (!dc_datetime_localtime(&datetime, now)) {
message ("ERROR: Failed to get the system time.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Synchronize the device clock.
status = do_timesync (context, descriptor, argv[0], &datetime);
if (status != DC_STATUS_SUCCESS) {
message ("ERROR: %s\n", dctool_errmsg (status));
exitcode = EXIT_FAILURE;
goto cleanup;
}
cleanup:
return exitcode;
}
const dctool_command_t dctool_timesync = {
dctool_timesync_run,
DCTOOL_CONFIG_DESCRIPTOR,
"timesync",
"Synchronize the device clock",
"Usage:\n"
" dctool timesync [options]\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
#else
" -h Show help message\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_timesync.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <stdio.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include <libdivecomputer/version.h>
#include "dctool.h"
static int
dctool_version_run (int argc, char *argv[], dc_context_t *context, dc_descriptor_t *descriptor)
{
// Default option values.
unsigned int help = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = "h";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
default:
return EXIT_FAILURE;
}
}
argc -= optind;
argv += optind;
// Show help message.
if (help) {
dctool_command_showhelp (&dctool_version);
return EXIT_SUCCESS;
}
printf ("libdivecomputer version %s\n", dc_version (NULL));
return EXIT_SUCCESS;
}
const dctool_command_t dctool_version = {
dctool_version_run,
DCTOOL_CONFIG_NONE,
"version",
"Show version information",
"Usage:\n"
" dctool version [options]\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
#else
" -h Show help message\n"
#endif
};
| libdc-for-dirk-Subsurface-branch | examples/dctool_version.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <signal.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <libdivecomputer/context.h>
#include <libdivecomputer/descriptor.h>
#include "common.h"
#include "dctool.h"
#include "utils.h"
#if defined(__GLIBC__) || defined(__MINGW32__)
#define RESET 0
#else
#define RESET 1
#endif
#if defined(__GLIBC__) || defined(__MINGW32__) || defined(BSD)
#define NOPERMUTATION "+"
#else
#define NOPERMUTATION ""
#endif
static const dctool_command_t *g_commands[] = {
&dctool_help,
&dctool_version,
&dctool_list,
&dctool_download,
&dctool_dump,
&dctool_parse,
&dctool_read,
&dctool_write,
&dctool_timesync,
&dctool_fwupdate,
NULL
};
static volatile sig_atomic_t g_cancel = 0;
const dctool_command_t *
dctool_command_find (const char *name)
{
if (name == NULL)
return NULL;
size_t i = 0;
while (g_commands[i] != NULL) {
if (strcmp(g_commands[i]->name, name) == 0) {
break;
}
i++;
}
return g_commands[i];
}
void
dctool_command_showhelp (const dctool_command_t *command)
{
if (command == NULL) {
unsigned int maxlength = 0;
for (size_t i = 0; g_commands[i] != NULL; ++i) {
unsigned int length = strlen (g_commands[i]->name);
if (length > maxlength)
maxlength = length;
}
printf (
"A simple command line interface for the libdivecomputer library\n"
"\n"
"Usage:\n"
" dctool [options] <command> [<args>]\n"
"\n"
"Options:\n"
#ifdef HAVE_GETOPT_LONG
" -h, --help Show help message\n"
" -d, --device <device> Device name\n"
" -f, --family <family> Device family type\n"
" -m, --model <model> Device model number\n"
" -l, --logfile <logfile> Logfile\n"
" -q, --quiet Quiet mode\n"
" -v, --verbose Verbose mode\n"
#else
" -h Show help message\n"
" -d <device> Device name\n"
" -f <family> Family type\n"
" -m <model> Model number\n"
" -l <logfile> Logfile\n"
" -q Quiet mode\n"
" -v Verbose mode\n"
#endif
"\n"
"Available commands:\n");
for (size_t i = 0; g_commands[i] != NULL; ++i) {
printf (" %-*s%s\n", maxlength + 3, g_commands[i]->name, g_commands[i]->description);
}
printf ("\nSee 'dctool help <command>' for more information on a specific command.\n\n");
} else {
printf ("%s\n\n%s\n", command->description, command->usage);
}
}
int
dctool_cancel_cb (void *userdata)
{
return g_cancel;
}
static void
sighandler (int signum)
{
#ifndef _WIN32
// Restore the default signal handler.
signal (signum, SIG_DFL);
#endif
g_cancel = 1;
}
static void
logfunc (dc_context_t *context, dc_loglevel_t loglevel, const char *file, unsigned int line, const char *function, const char *msg, void *userdata)
{
const char *loglevels[] = {"NONE", "ERROR", "WARNING", "INFO", "DEBUG", "ALL"};
if (loglevel == DC_LOGLEVEL_ERROR || loglevel == DC_LOGLEVEL_WARNING) {
message ("%s: %s [in %s:%d (%s)]\n", loglevels[loglevel], msg, file, line, function);
} else {
message ("%s: %s\n", loglevels[loglevel], msg);
}
}
int
main (int argc, char *argv[])
{
int exitcode = EXIT_SUCCESS;
dc_status_t status = DC_STATUS_SUCCESS;
dc_context_t *context = NULL;
dc_descriptor_t *descriptor = NULL;
// Default option values.
unsigned int help = 0;
dc_loglevel_t loglevel = DC_LOGLEVEL_WARNING;
const char *logfile = NULL;
const char *device = NULL;
dc_family_t family = DC_FAMILY_NULL;
unsigned int model = 0;
unsigned int have_family = 0, have_model = 0;
// Parse the command-line options.
int opt = 0;
const char *optstring = NOPERMUTATION "hd:f:m:l:qv";
#ifdef HAVE_GETOPT_LONG
struct option options[] = {
{"help", no_argument, 0, 'h'},
{"device", required_argument, 0, 'd'},
{"family", required_argument, 0, 'f'},
{"model", required_argument, 0, 'm'},
{"logfile", required_argument, 0, 'l'},
{"quiet", no_argument, 0, 'q'},
{"verbose", no_argument, 0, 'v'},
{0, 0, 0, 0 }
};
while ((opt = getopt_long (argc, argv, optstring, options, NULL)) != -1) {
#else
while ((opt = getopt (argc, argv, optstring)) != -1) {
#endif
switch (opt) {
case 'h':
help = 1;
break;
case 'd':
device = optarg;
break;
case 'f':
family = dctool_family_type (optarg);
have_family = 1;
break;
case 'm':
model = strtoul (optarg, NULL, 0);
have_model = 1;
break;
case 'l':
logfile = optarg;
break;
case 'q':
loglevel = DC_LOGLEVEL_NONE;
break;
case 'v':
loglevel++;
break;
default:
return EXIT_FAILURE;
}
}
// Skip the processed arguments.
argc -= optind;
argv += optind;
optind = RESET;
#if defined(HAVE_DECL_OPTRESET) && HAVE_DECL_OPTRESET
optreset = 1;
#endif
// Set the default model number.
if (have_family && !have_model) {
model = dctool_family_model (family);
}
// Translate the help option into a command.
char *argv_help[] = {(char *) "help", NULL, NULL};
if (help || argv[0] == NULL) {
if (argv[0]) {
argv_help[1] = argv[0];
argv = argv_help;
argc = 2;
} else {
argv = argv_help;
argc = 1;
}
}
// Try to find the command.
const dctool_command_t *command = dctool_command_find (argv[0]);
if (command == NULL) {
message ("Unknown command %s.\n", argv[0]);
return EXIT_FAILURE;
}
// Setup the cancel signal handler.
signal (SIGINT, sighandler);
// Initialize the logfile.
message_set_logfile (logfile);
// Initialize a library context.
status = dc_context_new (&context);
if (status != DC_STATUS_SUCCESS) {
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Setup the logging.
dc_context_set_loglevel (context, loglevel);
dc_context_set_logfunc (context, logfunc, NULL);
if (command->config & DCTOOL_CONFIG_DESCRIPTOR) {
// Check mandatory arguments.
if (device == NULL && family == DC_FAMILY_NULL) {
message ("No device name or family type specified.\n");
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Search for a matching device descriptor.
status = dctool_descriptor_search (&descriptor, device, family, model);
if (status != DC_STATUS_SUCCESS) {
exitcode = EXIT_FAILURE;
goto cleanup;
}
// Fail if no device descriptor found.
if (descriptor == NULL) {
if (device) {
message ("No supported device found: %s\n",
device);
} else {
message ("No supported device found: %s, 0x%X\n",
dctool_family_name (family), model);
}
exitcode = EXIT_FAILURE;
goto cleanup;
}
}
// Execute the command.
exitcode = command->run (argc, argv, context, descriptor);
cleanup:
dc_descriptor_free (descriptor);
dc_context_free (context);
message_set_logfile (NULL);
return exitcode;
}
| libdc-for-dirk-Subsurface-branch | examples/dctool.c |
/*
* libdivecomputer
*
* Copyright (C) 2016 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
*/
#include <stdlib.h>
#include <assert.h>
#include "output-private.h"
dctool_output_t *
dctool_output_allocate (const dctool_output_vtable_t *vtable)
{
dctool_output_t *output = NULL;
assert(vtable != NULL);
assert(vtable->size >= sizeof(dctool_output_t));
// Allocate memory.
output = (dctool_output_t *) malloc (vtable->size);
if (output == NULL) {
return output;
}
output->vtable = vtable;
output->number = 0;
return output;
}
void
dctool_output_deallocate (dctool_output_t *output)
{
free (output);
}
dc_status_t
dctool_output_write (dctool_output_t *output, dc_parser_t *parser, const unsigned char data[], unsigned int size, const unsigned char fingerprint[], unsigned int fsize)
{
if (output == NULL || output->vtable->write == NULL)
return DC_STATUS_SUCCESS;
output->number++;
return output->vtable->write (output, parser, data, size, fingerprint, fsize);
}
dc_status_t
dctool_output_free (dctool_output_t *output)
{
dc_status_t status = DC_STATUS_SUCCESS;
if (output == NULL)
return DC_STATUS_SUCCESS;
if (output->vtable->free) {
status = output->vtable->free (output);
}
dctool_output_deallocate (output);
return status;
}
| libdc-for-dirk-Subsurface-branch | examples/output.c |
/*
* libdivecomputer
*
* Copyright (C) 2014 Linus Torvalds
*
* 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
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include <math.h>
#include <stdarg.h>
/* Wow. MSC is truly crap */
#ifdef _MSC_VER
#define snprintf _snprintf
#define vsnprintf _vsnprintf
#endif
#include "suunto_eonsteel.h"
#include "context-private.h"
#include "parser-private.h"
#include "array.h"
#include "platform.h"
#define C_ARRAY_SIZE(a) (sizeof(a) / sizeof(*(a)))
enum eon_sample {
ES_none = 0,
ES_dtime, // duint16,precision=3 (time delta in ms)
ES_depth, // uint16,precision=2,nillable=65535 (depth in cm)
ES_temp, // int16,precision=2,nillable=-3000 (temp in deci-Celsius)
ES_ndl, // int16,nillable=-1 (ndl in minutes)
ES_ceiling, // uint16,precision=2,nillable=65535 (ceiling in cm)
ES_tts, // uint16,nillable=65535 (time to surface)
ES_heading, // uint16,precision=4,nillable=65535 (heading in degrees)
ES_abspressure, // uint16,precision=0,nillable=65535 (abs presure in centibar)
ES_gastime, // int16,nillable=-1 (remaining gas time in minutes)
ES_ventilation, // uint16,precision=6,nillable=65535 ("x/6000000,x"? No idea)
ES_gasnr, // uint8
ES_pressure, // uint16,nillable=65535 (cylinder pressure in centibar)
ES_state, // enum:0=Wet Outside,1=Below Wet Activation Depth,2=Below Surface,3=Dive Active,4=Surface Calculation,5=Tank pressure available,6=Closed Circuit Mode
ES_state_active, // bool
ES_notify, // enum:0=NoFly Time,1=Depth,2=Surface Time,3=Tissue Level,4=Deco,5=Deco Window,6=Safety Stop Ahead,7=Safety Stop,8=Safety Stop Broken,9=Deep Stop Ahead,10=Deep Stop,11=Dive Time,12=Gas Available,13=SetPoint Switch,14=Diluent Hypoxia,15=Air Time,16=Tank Pressure
ES_notify_active, // bool
ES_warning, // enum:0=ICD Penalty,1=Deep Stop Penalty,2=Mandatory Safety Stop,3=OTU250,4=OTU300,5=CNS80%,6=CNS100%,7=Max.Depth,8=Air Time,9=Tank Pressure,10=Safety Stop Broken,11=Deep Stop Broken,12=Ceiling Broken,13=PO2 High
ES_warning_active, // bool
ES_alarm,
ES_alarm_active,
ES_gasswitch, // uint16
ES_setpoint_type, // enum:0=Low,1=High,2=Custom
ES_setpoint_po2, // uint32
ES_setpoint_automatic, // bool
ES_bookmark,
};
#define EON_MAX_GROUP 16
struct type_desc {
const char *desc, *format, *mod;
unsigned int size;
enum eon_sample type[EON_MAX_GROUP];
};
#define MAXTYPE 512
#define MAXGASES 16
#define MAXSTRINGS 32
typedef struct suunto_eonsteel_parser_t {
dc_parser_t base;
struct type_desc type_desc[MAXTYPE];
// field cache
struct {
unsigned int initialized;
unsigned int divetime;
double maxdepth;
double avgdepth;
unsigned int ngases;
dc_gasmix_t gasmix[MAXGASES];
dc_salinity_t salinity;
double surface_pressure;
dc_divemode_t divemode;
double lowsetpoint;
double highsetpoint;
double customsetpoint;
dc_field_string_t strings[MAXSTRINGS];
dc_tankinfo_t tankinfo[MAXGASES];
double tanksize[MAXGASES];
double tankworkingpressure[MAXGASES];
} cache;
} suunto_eonsteel_parser_t;
typedef int (*eon_data_cb_t)(unsigned short type, const struct type_desc *desc, const unsigned char *data, int len, void *user);
static const struct {
const char *name;
enum eon_sample type;
} type_translation[] = {
{ "+Time", ES_dtime },
{ "Depth", ES_depth },
{ "Temperature", ES_temp },
{ "NoDecTime", ES_ndl },
{ "Ceiling", ES_ceiling },
{ "TimeToSurface", ES_tts },
{ "Heading", ES_heading },
{ "DeviceInternalAbsPressure", ES_abspressure },
{ "GasTime", ES_gastime },
{ "Ventilation", ES_ventilation },
{ "Cylinders+Cylinder.GasNumber", ES_gasnr },
{ "Cylinders.Cylinder.Pressure", ES_pressure },
{ "Events+State.Type", ES_state },
{ "Events.State.Active", ES_state_active },
{ "Events+Notify.Type", ES_notify },
{ "Events.Notify.Active", ES_notify_active },
{ "Events+Warning.Type", ES_warning },
{ "Events.Warning.Active", ES_warning_active },
{ "Events+Alarm.Type", ES_alarm },
{ "Events.Alarm.Active", ES_alarm_active },
{ "Events.Bookmark.Name", ES_bookmark },
{ "Events.GasSwitch.GasNumber", ES_gasswitch },
{ "Events.SetPoint.Type", ES_setpoint_type },
{ "Events.Events.SetPoint.PO2", ES_setpoint_po2 },
{ "Events.SetPoint.Automatic", ES_setpoint_automatic },
{ "Events.DiveTimer.Active", ES_none },
{ "Events.DiveTimer.Time", ES_none },
};
static enum eon_sample lookup_descriptor_type(suunto_eonsteel_parser_t *eon, struct type_desc *desc)
{
int i;
const char *name = desc->desc;
// Not a sample type? Skip it
if (strncmp(name, "sml.DeviceLog.Samples", 21))
return ES_none;
// Skip the common base
name += 21;
// We have a "+Sample.Time", which starts a new
// sample and contains the time delta
if (!strcmp(name, "+Sample.Time"))
return ES_dtime;
// .. the rest should start with ".Sample."
if (strncmp(name, ".Sample.", 8))
return ES_none;
// Skip the ".Sample."
name += 8;
// .. and look it up in the table of sample type strings
for (i = 0; i < C_ARRAY_SIZE(type_translation); i++) {
if (!strcmp(name, type_translation[i].name))
return type_translation[i].type;
}
return ES_none;
}
static const char *desc_type_name(enum eon_sample type)
{
int i;
for (i = 0; i < C_ARRAY_SIZE(type_translation); i++) {
if (type == type_translation[i].type)
return type_translation[i].name;
}
return "Unknown";
}
static int lookup_descriptor_size(suunto_eonsteel_parser_t *eon, struct type_desc *desc)
{
const char *format = desc->format;
unsigned char c;
if (!format)
return 0;
if (!strncmp(format, "bool", 4))
return 1;
if (!strncmp(format, "enum", 4))
return 1;
if (!strncmp(format, "utf8", 4))
return 0;
// find the byte size (eg "float32" -> 4 bytes)
while ((c = *format) != 0) {
if (isdigit(c))
return atoi(format)/8;
format++;
}
return 0;
}
static int fill_in_group_details(suunto_eonsteel_parser_t *eon, struct type_desc *desc)
{
int subtype = 0;
const char *grp = desc->desc;
for (;;) {
struct type_desc *base;
char *end;
long index;
index = strtol(grp, &end, 10);
if (index < 0 || index >= MAXTYPE || end == grp) {
ERROR(eon->base.context, "Group type descriptor '%s' does not parse", desc->desc);
break;
}
base = eon->type_desc + index;
if (!base->desc) {
ERROR(eon->base.context, "Group type descriptor '%s' has undescribed index %ld", desc->desc, index);
break;
}
if (!base->size) {
ERROR(eon->base.context, "Group type descriptor '%s' uses unsized sub-entry '%s'", desc->desc, base->desc);
break;
}
if (!base->type[0]) {
ERROR(eon->base.context, "Group type descriptor '%s' has non-enumerated sub-entry '%s'", desc->desc, base->desc);
break;
}
if (base->type[1]) {
ERROR(eon->base.context, "Group type descriptor '%s' has a recursive group sub-entry '%s'", desc->desc, base->desc);
break;
}
if (subtype >= EON_MAX_GROUP-1) {
ERROR(eon->base.context, "Group type descriptor '%s' has too many sub-entries", desc->desc);
break;
}
desc->size += base->size;
desc->type[subtype++] = base->type[0];
switch (*end) {
case 0:
return 0;
case ',':
grp = end+1;
continue;
default:
ERROR(eon->base.context, "Group type descriptor '%s' has unparseable index %ld", desc->desc, index);
return -1;
}
}
return -1;
}
/*
* Here we cache descriptor data so that we don't have
* to re-parse the string all the time. That way we can
* do it just once per type.
*
* Right now we only bother with the sample descriptors,
* which all start with "sml.DeviceLog.Samples" (for the
* base types) or are "GRP" types that are a group of said
* types and are a set of numbers.
*/
static int fill_in_desc_details(suunto_eonsteel_parser_t *eon, struct type_desc *desc)
{
if (!desc->desc)
return 0;
if (isdigit(desc->desc[0]))
return fill_in_group_details(eon, desc);
desc->size = lookup_descriptor_size(eon, desc);
desc->type[0] = lookup_descriptor_type(eon, desc);
return 0;
}
static void
desc_free (struct type_desc desc[], unsigned int count)
{
for (unsigned int i = 0; i < count; ++i) {
free((void *)desc[i].desc);
free((void *)desc[i].format);
free((void *)desc[i].mod);
}
}
static int record_type(suunto_eonsteel_parser_t *eon, unsigned short type, const char *name, int namelen)
{
struct type_desc desc;
const char *next;
memset(&desc, 0, sizeof(desc));
do {
int len;
char *p;
next = strchr(name, '\n');
if (next) {
len = next - name;
next++;
} else {
len = strlen(name);
if (!len)
break;
}
if (len < 5 || name[0] != '<' || name[4] != '>') {
ERROR(eon->base.context, "Unexpected type description: %.*s", len, name);
return -1;
}
p = (char *) malloc(len-4);
if (!p) {
ERROR(eon->base.context, "out of memory");
desc_free(&desc, 1);
return -1;
}
memcpy(p, name+5, len-5);
p[len-5] = 0;
// PTH, GRP, FRM, MOD
switch (name[1]) {
case 'P':
case 'G':
desc.desc = p;
break;
case 'F':
desc.format = p;
break;
case 'M':
desc.mod = p;
break;
default:
ERROR(eon->base.context, "Unknown type descriptor: %.*s", len, name);
desc_free(&desc, 1);
free(p);
return -1;
}
} while ((name = next) != NULL);
if (type >= MAXTYPE) {
ERROR(eon->base.context, "Type out of range (%04x: '%s' '%s' '%s')",
type,
desc.desc ? desc.desc : "",
desc.format ? desc.format : "",
desc.mod ? desc.mod : "");
desc_free(&desc, 1);
return -1;
}
fill_in_desc_details(eon, &desc);
desc_free(eon->type_desc + type, 1);
eon->type_desc[type] = desc;
return 0;
}
static int traverse_entry(suunto_eonsteel_parser_t *eon, const unsigned char *p, int len, eon_data_cb_t callback, void *user)
{
const unsigned char *name, *data, *end, *last, *one_past_end = p + len;
int textlen, type;
int rc;
// First two bytes: zero and text length
if (p[0]) {
HEXDUMP(eon->base.context, DC_LOGLEVEL_DEBUG, "next", p, 8);
ERROR(eon->base.context, "Bad dive entry (%02x)", p[0]);
return -1;
}
textlen = p[1];
name = p + 2;
if (textlen == 0xff) {
textlen = array_uint32_le(name);
name += 4;
}
// Two bytes of 'type' followed by the name/descriptor, followed by the data
data = name + textlen;
type = array_uint16_le(name);
name += 2;
if (*name != '<') {
HEXDUMP(eon->base.context, DC_LOGLEVEL_DEBUG, "bad", p, 16);
return -1;
}
record_type(eon, type, (const char *) name, textlen-3);
end = data;
last = data;
while (end < one_past_end && *end) {
const unsigned char *begin = end;
unsigned int type = *end++;
unsigned int len;
if (type == 0xff) {
type = array_uint16_le(end);
end += 2;
}
len = *end++;
// I've never actually seen this case yet..
// Just assuming from the other cases.
if (len == 0xff) {
HEXDUMP(eon->base.context, DC_LOGLEVEL_DEBUG, "len-ff", end, 8);
len = array_uint32_le(end);
end += 4;
}
if (type >= MAXTYPE || !eon->type_desc[type].desc) {
HEXDUMP(eon->base.context, DC_LOGLEVEL_DEBUG, "last", last, 16);
HEXDUMP(eon->base.context, DC_LOGLEVEL_DEBUG, "this", begin, 16);
} else {
rc = callback(type, eon->type_desc+type, end, len, user);
if (rc < 0)
return rc;
}
last = begin;
end += len;
}
return end - p;
}
static int traverse_data(suunto_eonsteel_parser_t *eon, eon_data_cb_t callback, void *user)
{
const unsigned char *data = eon->base.data;
int len = eon->base.size;
// Dive files start with "SBEM" and four NUL characters
// Additionally, we've prepended the time as an extra
// 4-byte pre-header
if (len < 12 || memcmp(data+4, "SBEM", 4))
return 0;
data += 12;
len -= 12;
while (len > 4) {
int i = traverse_entry(eon, data, len, callback, user);
if (i < 0)
return 1;
len -= i;
data += i;
}
return 0;
}
struct sample_data {
suunto_eonsteel_parser_t *eon;
dc_sample_callback_t callback;
void *userdata;
unsigned int time;
const char *state_type, *notify_type;
const char *warning_type, *alarm_type;
/* We gather up deco and cylinder pressure information */
int gasnr;
int tts, ndl;
double ceiling;
};
static void sample_time(struct sample_data *info, unsigned short time_delta)
{
dc_sample_value_t sample = {0};
info->time += time_delta;
sample.time = info->time / 1000;
if (info->callback) info->callback(DC_SAMPLE_TIME, sample, info->userdata);
}
static void sample_depth(struct sample_data *info, unsigned short depth)
{
dc_sample_value_t sample = {0};
if (depth == 0xffff)
return;
sample.depth = depth / 100.0;
if (info->callback) info->callback(DC_SAMPLE_DEPTH, sample, info->userdata);
}
static void sample_temp(struct sample_data *info, short temp)
{
dc_sample_value_t sample = {0};
if (temp < -3000)
return;
sample.temperature = temp / 10.0;
if (info->callback) info->callback(DC_SAMPLE_TEMPERATURE, sample, info->userdata);
}
static void sample_ndl(struct sample_data *info, short ndl)
{
dc_sample_value_t sample = {0};
info->ndl = ndl;
if (ndl < 0)
return;
sample.deco.type = DC_DECO_NDL;
sample.deco.time = ndl;
if (info->callback) info->callback(DC_SAMPLE_DECO, sample, info->userdata);
}
static void sample_tts(struct sample_data *info, unsigned short tts)
{
if (tts != 0xffff)
info->tts = tts;
}
static void sample_ceiling(struct sample_data *info, unsigned short ceiling)
{
if (ceiling != 0xffff)
info->ceiling = ceiling / 100.0;
}
static void sample_heading(struct sample_data *info, unsigned short heading)
{
dc_sample_value_t sample = {0};
if (heading == 0xffff)
return;
sample.event.type = SAMPLE_EVENT_HEADING;
sample.event.value = heading;
if (info->callback) info->callback(DC_SAMPLE_EVENT, sample, info->userdata);
}
static void sample_abspressure(struct sample_data *info, unsigned short pressure)
{
}
static void sample_gastime(struct sample_data *info, short gastime)
{
dc_sample_value_t sample = {0};
if (gastime < 0)
return;
// Hmm. We have no good way to report airtime remaining
}
/*
* Per-sample "ventilation" data.
*
* It's described as:
* - "uint16,precision=6,nillable=65535"
* - "x/6000000,x"
*/
static void sample_ventilation(struct sample_data *info, unsigned short unk)
{
}
static void sample_gasnr(struct sample_data *info, unsigned char idx)
{
info->gasnr = idx;
}
static void sample_pressure(struct sample_data *info, unsigned short pressure)
{
dc_sample_value_t sample = {0};
if (pressure == 0xffff)
return;
sample.pressure.tank = info->gasnr-1;
sample.pressure.value = pressure / 100.0;
if (info->callback) info->callback(DC_SAMPLE_PRESSURE, sample, info->userdata);
}
static void sample_bookmark_event(struct sample_data *info, unsigned short idx)
{
dc_sample_value_t sample = {0};
sample.event.type = SAMPLE_EVENT_BOOKMARK;
sample.event.value = idx;
if (info->callback) info->callback(DC_SAMPLE_EVENT, sample, info->userdata);
}
static void sample_gas_switch_event(struct sample_data *info, unsigned short idx)
{
suunto_eonsteel_parser_t *eon = info->eon;
dc_sample_value_t sample = {0};
if (idx < 1 || idx > eon->cache.ngases)
return;
sample.gasmix = idx - 1;
if (info->callback) info->callback(DC_SAMPLE_GASMIX, sample, info->userdata);
}
/*
* Look up the string from an enumeration.
*
* Enumerations have the enum values in the "format" string,
* and all start with "enum:" followed by a comma-separated list
* of enumeration values and strings. Example:
*
* "enum:0=NoFly Time,1=Depth,2=Surface Time,3=..."
*/
static const char *lookup_enum(const struct type_desc *desc, unsigned char value)
{
const char *str = desc->format;
unsigned char c;
if (!str)
return NULL;
if (strncmp(str, "enum:", 5))
return NULL;
str += 5;
while ((c = *str) != 0) {
unsigned char n;
const char *begin, *end;
char *ret;
str++;
if (!isdigit(c))
continue;
n = c - '0';
// We only handle one or two digits
if (isdigit(*str)) {
n = n*10 + *str - '0';
str++;
}
begin = end = str;
while ((c = *str) != 0) {
str++;
if (c == ',')
break;
end = str;
}
// Verify that it has the 'n=string' format and skip the equals sign
if (*begin != '=')
continue;
begin++;
// Is it the value we're looking for?
if (n != value)
continue;
ret = (char *)malloc(end - begin + 1);
if (!ret)
break;
memcpy(ret, begin, end-begin);
ret[end-begin] = 0;
return ret;
}
return NULL;
}
/*
* The EON Steel has four different sample events: "state", "notification",
* "warning" and "alarm". All end up having two fields: type and a boolean value.
*/
static void sample_event_state_type(const struct type_desc *desc, struct sample_data *info, unsigned char type)
{
info->state_type = lookup_enum(desc, type);
}
static void sample_event_state_value(const struct type_desc *desc, struct sample_data *info, unsigned char value)
{
dc_sample_value_t sample = {0};
const char *name;
name = info->state_type;
if (!name)
return;
sample.event.type = SAMPLE_EVENT_STRING;
sample.event.name = name;
sample.event.flags = value ? SAMPLE_FLAGS_BEGIN : SAMPLE_FLAGS_END;
sample.event.flags |= 1 << SAMPLE_FLAGS_SEVERITY_SHIFT;
if (info->callback) info->callback(DC_SAMPLE_EVENT, sample, info->userdata);
}
static void sample_event_notify_type(const struct type_desc *desc, struct sample_data *info, unsigned char type)
{
info->notify_type = lookup_enum(desc, type);
}
static void sample_event_notify_value(const struct type_desc *desc, struct sample_data *info, unsigned char value)
{
dc_sample_value_t sample = {0};
const char *name;
name = info->notify_type;
if (!name)
return;
sample.event.type = SAMPLE_EVENT_STRING;
sample.event.name = name;
sample.event.flags = value ? SAMPLE_FLAGS_BEGIN : SAMPLE_FLAGS_END;
sample.event.flags |= 2 << SAMPLE_FLAGS_SEVERITY_SHIFT;
if (info->callback) info->callback(DC_SAMPLE_EVENT, sample, info->userdata);
}
static void sample_event_warning_type(const struct type_desc *desc, struct sample_data *info, unsigned char type)
{
info->warning_type = lookup_enum(desc, type);
}
static void sample_event_warning_value(const struct type_desc *desc, struct sample_data *info, unsigned char value)
{
dc_sample_value_t sample = {0};
const char *name;
name = info->warning_type;
if (!name)
return;
sample.event.type = SAMPLE_EVENT_STRING;
sample.event.name = name;
sample.event.flags = value ? SAMPLE_FLAGS_BEGIN : SAMPLE_FLAGS_END;
sample.event.flags |= 3 << SAMPLE_FLAGS_SEVERITY_SHIFT;
if (info->callback) info->callback(DC_SAMPLE_EVENT, sample, info->userdata);
}
static void sample_event_alarm_type(const struct type_desc *desc, struct sample_data *info, unsigned char type)
{
info->alarm_type = lookup_enum(desc, type);
}
static void sample_event_alarm_value(const struct type_desc *desc, struct sample_data *info, unsigned char value)
{
const char *name;
dc_sample_value_t sample = {0};
name = info->alarm_type;
if (!name)
return;
sample.event.type = SAMPLE_EVENT_STRING;
sample.event.name = name;
sample.event.flags = value ? SAMPLE_FLAGS_BEGIN : SAMPLE_FLAGS_END;
sample.event.flags |= 4 << SAMPLE_FLAGS_SEVERITY_SHIFT;
if (info->callback) info->callback(DC_SAMPLE_EVENT, sample, info->userdata);
}
// enum:0=Low,1=High,2=Custom
static void sample_setpoint_type(const struct type_desc *desc, struct sample_data *info, unsigned char value)
{
dc_sample_value_t sample = {0};
const char *type = lookup_enum(desc, value);
if (!type) {
DEBUG(info->eon->base.context, "sample_setpoint_type(%u) did not match anything in %s", value, desc->format);
return;
}
if (!strcasecmp(type, "Low"))
sample.ppo2 = info->eon->cache.lowsetpoint;
else if (!strcasecmp(type, "High"))
sample.ppo2 = info->eon->cache.highsetpoint;
else if (!strcasecmp(type, "Custom"))
sample.ppo2 = info->eon->cache.customsetpoint;
else {
DEBUG(info->eon->base.context, "sample_setpoint_type(%u) unknown type '%s'", value, type);
free((void *)type);
return;
}
if (info->callback) info->callback(DC_SAMPLE_SETPOINT, sample, info->userdata);
free((void *)type);
}
// uint32
static void sample_setpoint_po2(struct sample_data *info, unsigned int pressure)
{
// I *think* this just sets the custom SP, and then
// we'll get a setpoint_type(2) later.
info->eon->cache.customsetpoint = pressure / 100000.0; // Pascal to bar
}
static void sample_setpoint_automatic(struct sample_data *info, unsigned char value)
{
DEBUG(info->eon->base.context, "sample_setpoint_automatic(%u)", value);
}
static int handle_sample_type(const struct type_desc *desc, struct sample_data *info, enum eon_sample type, const unsigned char *data)
{
switch (type) {
case ES_dtime:
sample_time(info, array_uint16_le(data));
return 2;
case ES_depth:
sample_depth(info, array_uint16_le(data));
return 2;
case ES_temp:
sample_temp(info, array_uint16_le(data));
return 2;
case ES_ndl:
sample_ndl(info, array_uint16_le(data));
return 2;
case ES_ceiling:
sample_ceiling(info, array_uint16_le(data));
return 2;
case ES_tts:
sample_tts(info, array_uint16_le(data));
return 2;
case ES_heading:
sample_heading(info, array_uint16_le(data));
return 2;
case ES_abspressure:
sample_abspressure(info, array_uint16_le(data));
return 2;
case ES_gastime:
sample_gastime(info, array_uint16_le(data));
return 2;
case ES_ventilation:
sample_ventilation(info, array_uint16_le(data));
return 2;
case ES_gasnr:
sample_gasnr(info, *data);
return 1;
case ES_pressure:
sample_pressure(info, array_uint16_le(data));
return 2;
case ES_state:
sample_event_state_type(desc, info, data[0]);
return 1;
case ES_state_active:
sample_event_state_value(desc, info, data[0]);
return 1;
case ES_notify:
sample_event_notify_type(desc, info, data[0]);
return 1;
case ES_notify_active:
sample_event_notify_value(desc, info, data[0]);
return 1;
case ES_warning:
sample_event_warning_type(desc, info, data[0]);
return 1;
case ES_warning_active:
sample_event_warning_value(desc, info, data[0]);
return 1;
case ES_alarm:
sample_event_alarm_type(desc, info, data[0]);
return 1;
case ES_alarm_active:
sample_event_alarm_value(desc, info, data[0]);
return 1;
case ES_bookmark:
sample_bookmark_event(info, array_uint16_le(data));
return 2;
case ES_gasswitch:
sample_gas_switch_event(info, array_uint16_le(data));
return 2;
case ES_setpoint_type:
sample_setpoint_type(desc, info, data[0]);
return 1;
case ES_setpoint_po2:
sample_setpoint_po2(info, array_uint32_le(data));
return 4;
case ES_setpoint_automatic: // bool
sample_setpoint_automatic(info, data[0]);
return 1;
default:
return 0;
}
}
static int traverse_samples(unsigned short type, const struct type_desc *desc, const unsigned char *data, int len, void *user)
{
struct sample_data *info = (struct sample_data *) user;
suunto_eonsteel_parser_t *eon = info->eon;
int i, used = 0;
if (desc->size > len)
ERROR(eon->base.context, "Got %d bytes of data for '%s' that wants %d bytes", len, desc->desc, desc->size);
info->ndl = -1;
info->tts = 0;
info->ceiling = 0.0;
for (i = 0; i < EON_MAX_GROUP; i++) {
enum eon_sample type = desc->type[i];
int bytes = handle_sample_type(desc, info, type, data);
if (!bytes)
break;
if (bytes > len) {
ERROR(eon->base.context, "Wanted %d bytes of data, only had %d bytes ('%s' idx %d)", bytes, len, desc->desc, i);
break;
}
data += bytes;
len -= bytes;
used += bytes;
}
if (info->ndl < 0 && (info->tts || info->ceiling)) {
dc_sample_value_t sample = {0};
sample.deco.type = DC_DECO_DECOSTOP;
sample.deco.time = info->tts;
sample.deco.depth = info->ceiling;
if (info->callback) info->callback(DC_SAMPLE_DECO, sample, info->userdata);
}
// Warn if there are left-over bytes for something we did use part of
if (used && len)
ERROR(eon->base.context, "Entry for '%s' had %d bytes, only used %d", desc->desc, len+used, used);
return 0;
}
static dc_status_t
suunto_eonsteel_parser_samples_foreach(dc_parser_t *abstract, dc_sample_callback_t callback, void *userdata)
{
suunto_eonsteel_parser_t *eon = (suunto_eonsteel_parser_t *) abstract;
struct sample_data data = { eon, callback, userdata, 0 };
traverse_data(eon, traverse_samples, &data);
return DC_STATUS_SUCCESS;
}
static dc_status_t get_string_field(suunto_eonsteel_parser_t *eon, unsigned idx, dc_field_string_t *value)
{
if (idx < MAXSTRINGS) {
dc_field_string_t *res = eon->cache.strings+idx;
if (res->desc && res->value) {
*value = *res;
return DC_STATUS_SUCCESS;
}
}
return DC_STATUS_UNSUPPORTED;
}
// Ugly define thing makes the code much easier to read
// I'd love to use __typeof__, but that's a gcc'ism
#define field_value(p, set) \
memcpy((p), &(set), sizeof(set))
static dc_status_t
suunto_eonsteel_parser_get_field(dc_parser_t *parser, dc_field_type_t type, unsigned int flags, void *value)
{
dc_tank_t *tank = (dc_tank_t *) value;
suunto_eonsteel_parser_t *eon = (suunto_eonsteel_parser_t *)parser;
if (!(eon->cache.initialized & (1 << type)))
return DC_STATUS_UNSUPPORTED;
switch (type) {
case DC_FIELD_DIVETIME:
field_value(value, eon->cache.divetime);
break;
case DC_FIELD_MAXDEPTH:
field_value(value, eon->cache.maxdepth);
break;
case DC_FIELD_AVGDEPTH:
field_value(value, eon->cache.avgdepth);
break;
case DC_FIELD_GASMIX_COUNT:
case DC_FIELD_TANK_COUNT:
field_value(value, eon->cache.ngases);
break;
case DC_FIELD_GASMIX:
if (flags >= MAXGASES)
return DC_STATUS_UNSUPPORTED;
field_value(value, eon->cache.gasmix[flags]);
break;
case DC_FIELD_SALINITY:
field_value(value, eon->cache.salinity);
break;
case DC_FIELD_ATMOSPHERIC:
field_value(value, eon->cache.surface_pressure);
break;
case DC_FIELD_DIVEMODE:
field_value(value, eon->cache.divemode);
break;
case DC_FIELD_TANK:
/*
* Sadly it seems that the EON Steel doesn't tell us whether
* we get imperial or metric data - the only indication is
* that metric is (at least so far) always whole liters
*/
tank->volume = eon->cache.tanksize[flags];
tank->gasmix = flags;
/*
* The pressure reported is NOT the pressure the user enters.
*
* So 3000psi turns into 206.700 bar instead of 206.843 bar;
* We report it as we get it and let the application figure out
* what to do with that
*/
tank->workpressure = eon->cache.tankworkingpressure[flags];
tank->type = eon->cache.tankinfo[flags];
/*
* See if we should call this imperial instead.
*
* We need to have workpressure and a valid tank. In that case,
* a fractional tank size implies imperial.
*/
if (tank->workpressure && (tank->type & DC_TANKINFO_METRIC)) {
if (fabs(tank->volume - rint(tank->volume)) > 0.001)
tank->type += DC_TANKINFO_IMPERIAL - DC_TANKINFO_METRIC;
}
break;
case DC_FIELD_STRING:
return get_string_field(eon, flags, (dc_field_string_t *)value);
default:
return DC_STATUS_UNSUPPORTED;
}
return DC_STATUS_SUCCESS;
}
/*
* The time of the dive is encoded in the filename,
* and we've saved it off as the four first bytes
* of the dive data (in little-endian format).
*/
static dc_status_t
suunto_eonsteel_parser_get_datetime(dc_parser_t *parser, dc_datetime_t *datetime)
{
if (parser->size < 4)
return DC_STATUS_UNSUPPORTED;
if (!dc_datetime_gmtime(datetime, array_uint32_le(parser->data)))
return DC_STATUS_DATAFORMAT;
datetime->timezone = DC_TIMEZONE_NONE;
return DC_STATUS_SUCCESS;
}
// time in ms
static void add_time_field(suunto_eonsteel_parser_t *eon, unsigned short time_delta_ms)
{
eon->cache.divetime += time_delta_ms;
}
// depth in cm
static void set_depth_field(suunto_eonsteel_parser_t *eon, unsigned short d)
{
if (d != 0xffff) {
double depth = d / 100.0;
if (depth > eon->cache.maxdepth)
eon->cache.maxdepth = depth;
eon->cache.initialized |= 1 << DC_FIELD_MAXDEPTH;
}
}
// new gas:
// "sml.DeviceLog.Header.Diving.Gases+Gas.State"
//
// We eventually need to parse the descriptor for that 'enum type'.
// Two versions so far:
// "enum:0=Off,1=Primary,2=?,3=Diluent"
// "enum:0=Off,1=Primary,3=Diluent,4=Oxygen"
//
// We turn that into the DC_TANKINFO data here, but
// initially consider all non-off tanks to me METRIC.
//
// We may later turn the METRIC tank size into IMPERIAL if we
// get a working pressure and non-integral size
static int add_gas_type(suunto_eonsteel_parser_t *eon, const struct type_desc *desc, unsigned char type)
{
int idx = eon->cache.ngases;
dc_tankinfo_t tankinfo = DC_TANKINFO_METRIC;
const char *name;
if (idx >= MAXGASES)
return 0;
eon->cache.ngases = idx+1;
name = lookup_enum(desc, type);
if (!name)
DEBUG(eon->base.context, "Unable to look up gas type %u in %s", type, desc->format);
else if (!strcasecmp(name, "Diluent"))
tankinfo |= DC_TANKINFO_CC_DILUENT;
else if (!strcasecmp(name, "Oxygen"))
tankinfo |= DC_TANKINFO_CC_O2;
else if (!strcasecmp(name, "None"))
tankinfo = DC_TANKVOLUME_NONE;
else if (strcasecmp(name, "Primary"))
DEBUG(eon->base.context, "Unknown gas type %u (%s)", type, name);
eon->cache.tankinfo[idx] = tankinfo;
eon->cache.initialized |= 1 << DC_FIELD_GASMIX_COUNT;
eon->cache.initialized |= 1 << DC_FIELD_TANK_COUNT;
free((void *)name);
return 0;
}
// "sml.DeviceLog.Header.Diving.Gases.Gas.Oxygen"
// O2 percentage as a byte
static int add_gas_o2(suunto_eonsteel_parser_t *eon, unsigned char o2)
{
int idx = eon->cache.ngases-1;
if (idx >= 0)
eon->cache.gasmix[idx].oxygen = o2 / 100.0;
eon->cache.initialized |= 1 << DC_FIELD_GASMIX;
return 0;
}
// "sml.DeviceLog.Header.Diving.Gases.Gas.Helium"
// He percentage as a byte
static int add_gas_he(suunto_eonsteel_parser_t *eon, unsigned char he)
{
int idx = eon->cache.ngases-1;
if (idx >= 0)
eon->cache.gasmix[idx].helium = he / 100.0;
eon->cache.initialized |= 1 << DC_FIELD_GASMIX;
return 0;
}
static int add_gas_size(suunto_eonsteel_parser_t *eon, float l)
{
int idx = eon->cache.ngases-1;
if (idx >= 0)
eon->cache.tanksize[idx] = l;
eon->cache.initialized |= 1 << DC_FIELD_TANK;
return 0;
}
static int add_gas_workpressure(suunto_eonsteel_parser_t *eon, float wp)
{
int idx = eon->cache.ngases-1;
if (idx >= 0)
eon->cache.tankworkingpressure[idx] = wp;
return 0;
}
static int add_string(suunto_eonsteel_parser_t *eon, const char *desc, const char *value)
{
int i;
eon->cache.initialized |= 1 << DC_FIELD_STRING;
for (i = 0; i < MAXSTRINGS; i++) {
dc_field_string_t *str = eon->cache.strings+i;
if (str->desc)
continue;
str->desc = desc;
str->value = strdup(value);
break;
}
return 0;
}
static int add_string_fmt(suunto_eonsteel_parser_t *eon, const char *desc, const char *fmt, ...)
{
char buffer[256];
va_list ap;
/*
* We ignore the return value from vsnprintf, and we
* always NUL-terminate the destination buffer ourselves.
*
* That way we don't have to worry about random bad legacy
* implementations.
*/
va_start(ap, fmt);
buffer[sizeof(buffer)-1] = 0;
(void) vsnprintf(buffer, sizeof(buffer)-1, fmt, ap);
va_end(ap);
return add_string(eon, desc, buffer);
}
static float get_le32_float(const unsigned char *src)
{
union {
unsigned int val;
float result;
} u;
u.val = array_uint32_le(src);
return u.result;
}
// "Device" fields are all utf8:
// Info.BatteryAtEnd
// Info.BatteryAtStart
// Info.BSL
// Info.HW
// Info.SW
// Name
// SerialNumber
static int traverse_device_fields(suunto_eonsteel_parser_t *eon, const struct type_desc *desc,
const unsigned char *data, int len)
{
const char *name = desc->desc + strlen("sml.DeviceLog.Device.");
if (!strcmp(name, "SerialNumber"))
return add_string(eon, "Serial", data);
if (!strcmp(name, "Info.HW"))
return add_string(eon, "HW Version", data);
if (!strcmp(name, "Info.SW"))
return add_string(eon, "FW Version", data);
if (!strcmp(name, "Info.BatteryAtStart"))
return add_string(eon, "Battery at start", data);
if (!strcmp(name, "Info.BatteryAtEnd"))
return add_string(eon, "Battery at end", data);
return 0;
}
// "sml.DeviceLog.Header.Diving.Gases"
//
// +Gas.State (enum:0=Off,1=Primary,3=Diluent,4=Oxygen)
// .Gas.Oxygen (uint8,precision=2)
// .Gas.Helium (uint8,precision=2)
// .Gas.PO2 (uint32)
// .Gas.TransmitterID (utf8)
// .Gas.TankSize (float32,precision=5)
// .Gas.TankFillPressure (float32,precision=0)
// .Gas.StartPressure (float32,precision=0)
// .Gas.EndPressure (float32,precision=0)
// .Gas.TransmitterStartBatteryCharge (int8,precision=2)
// .Gas.TransmitterEndBatteryCharge (int8,precision=2)
static int traverse_gas_fields(suunto_eonsteel_parser_t *eon, const struct type_desc *desc,
const unsigned char *data, int len)
{
const char *name = desc->desc + strlen("sml.DeviceLog.Header.Diving.Gases");
if (!strcmp(name, "+Gas.State"))
return add_gas_type(eon, desc, data[0]);
if (!strcmp(name, ".Gas.Oxygen"))
return add_gas_o2(eon, data[0]);
if (!strcmp(name, ".Gas.Helium"))
return add_gas_he(eon, data[0]);
if (!strcmp(name, ".Gas.TransmitterID"))
return add_string(eon, "Transmitter ID", data);
if (!strcmp(name, ".Gas.TankSize"))
return add_gas_size(eon, get_le32_float(data));
if (!strcmp(name, ".Gas.TankFillPressure"))
return add_gas_workpressure(eon, get_le32_float(data));
// There is a bug with older transmitters, where the transmitter
// battery charge returns zero. Rather than returning that bogus
// data, just don't return any battery charge information at all.
//
// Make sure to add all non-battery-charge field checks above this
// test, so that it doesn't trigger for anything else.
if (!data[0])
return 0;
if (!strcmp(name, ".Gas.TransmitterStartBatteryCharge"))
return add_string_fmt(eon, "Transmitter Battery at start", "%d %%", data[0]);
if (!strcmp(name, ".Gas.TransmitterEndBatteryCharge"))
return add_string_fmt(eon, "Transmitter Battery at end", "%d %%", data[0]);
return 0;
}
// "sml.DeviceLog.Header.Diving."
//
// SurfaceTime (uint32)
// NumberInSeries (uint32)
// Algorithm (utf8)
// SurfacePressure (uint32)
// Conservatism (int8)
// Altitude (uint16)
// AlgorithmTransitionDepth (uint8)
// DaysInSeries (uint32)
// PreviousDiveDepth (float32,precision=2)
// LowSetPoint (uint32)
// HighSetPoint (uint32)
// SwitchHighSetPoint.Enabled (bool)
// SwitchHighSetPoint.Depth (float32,precision=1)
// SwitchLowSetPoint.Enabled (bool)
// SwitchLowSetPoint.Depth (float32,precision=1)
// StartTissue.CNS (float32,precision=3)
// StartTissue.OTU (float32)
// StartTissue.OLF (float32,precision=3)
// StartTissue.Nitrogen+Pressure (uint32)
// StartTissue.Helium+Pressure (uint32)
// StartTissue.RgbmNitrogen (float32,precision=3)
// StartTissue.RgbmHelium (float32,precision=3)
// DiveMode (utf8)
// AlgorithmBottomTime (uint32)
// AlgorithmAscentTime (uint32)
// AlgorithmBottomMixture.Oxygen (uint8,precision=2)
// AlgorithmBottomMixture.Helium (uint8,precision=2)
// DesaturationTime (uint32)
// EndTissue.CNS (float32,precision=3)
// EndTissue.OTU (float32)
// EndTissue.OLF (float32,precision=3)
// EndTissue.Nitrogen+Pressure (uint32)
// EndTissue.Helium+Pressure (uint32)
// EndTissue.RgbmNitrogen (float32,precision=3)
// EndTissue.RgbmHelium (float32,precision=3)
static int traverse_diving_fields(suunto_eonsteel_parser_t *eon, const struct type_desc *desc,
const unsigned char *data, int len)
{
const char *name = desc->desc + strlen("sml.DeviceLog.Header.Diving.");
if (!strncmp(name, "Gases", 5))
return traverse_gas_fields(eon, desc, data, len);
if (!strcmp(name, "SurfacePressure")) {
unsigned int pressure = array_uint32_le(data); // in SI units - Pascal
eon->cache.surface_pressure = pressure / 100000.0; // bar
eon->cache.initialized |= 1 << DC_FIELD_ATMOSPHERIC;
return 0;
}
if (!strcmp(name, "Algorithm"))
return add_string(eon, "Deco algorithm", data);
if (!strcmp(name, "DiveMode")) {
if (!strncmp((const char *)data, "CCR", 3)) {
eon->cache.divemode = DC_DIVEMODE_CCR;
eon->cache.initialized |= 1 << DC_FIELD_DIVEMODE;
}
return add_string(eon, "Dive Mode", data);
}
/* Signed byte of conservatism (-2 .. +2) */
if (!strcmp(name, "Conservatism")) {
int val = *(signed char *)data;
return add_string_fmt(eon, "Personal Adjustment", "P%d", val);
}
if (!strcmp(name, "LowSetPoint")) {
unsigned int pressure = array_uint32_le(data); // in SI units - Pascal
eon->cache.lowsetpoint = pressure / 100000.0; // bar
return 0;
}
if (!strcmp(name, "HighSetPoint")) {
unsigned int pressure = array_uint32_le(data); // in SI units - Pascal
eon->cache.highsetpoint = pressure / 100000.0; // bar
return 0;
}
// Time recoded in seconds.
// Let's just agree to ignore seconds
if (!strcmp(name, "DesaturationTime")) {
unsigned int time = array_uint32_le(data) / 60;
return add_string_fmt(eon, "Desaturation Time", "%d:%02d", time / 60, time % 60);
}
if (!strcmp(name, "SurfaceTime")) {
unsigned int time = array_uint32_le(data) / 60;
return add_string_fmt(eon, "Surface Time", "%d:%02d", time / 60, time % 60);
}
return 0;
}
// "Header" fields are:
// Activity (utf8)
// DateTime (utf8)
// Depth.Avg (float32,precision=2)
// Depth.Max (float32,precision=2)
// Diving.*
// Duration (uint32)
// PauseDuration (uint32)
// SampleInterval (uint8)
static int traverse_header_fields(suunto_eonsteel_parser_t *eon, const struct type_desc *desc,
const unsigned char *data, int len)
{
const char *name = desc->desc + strlen("sml.DeviceLog.Header.");
if (!strncmp(name, "Diving.", 7))
return traverse_diving_fields(eon, desc, data, len);
if (!strcmp(name, "Depth.Max")) {
double d = get_le32_float(data);
if (d > eon->cache.maxdepth)
eon->cache.maxdepth = d;
return 0;
}
if (!strcmp(name, "DateTime"))
return add_string(eon, "Dive ID", data);
return 0;
}
static int traverse_dynamic_fields(suunto_eonsteel_parser_t *eon, const struct type_desc *desc, const unsigned char *data, int len)
{
const char *name = desc->desc;
if (!strncmp(name, "sml.", 4)) {
name += 4;
if (!strncmp(name, "DeviceLog.", 10)) {
name += 10;
if (!strncmp(name, "Device.", 7))
return traverse_device_fields(eon, desc, data, len);
if (!strncmp(name, "Header.", 7)) {
return traverse_header_fields(eon, desc, data, len);
}
}
}
return 0;
}
/*
* This is a simplified sample parser that only parses the depth and time
* samples. It also depends on the GRP entries always starting with time/depth,
* and just stops on anything else.
*/
static int traverse_sample_fields(suunto_eonsteel_parser_t *eon, const struct type_desc *desc, const unsigned char *data, int len)
{
int i;
for (i = 0; i < EON_MAX_GROUP; i++) {
enum eon_sample type = desc->type[i];
switch (type) {
case ES_dtime:
add_time_field(eon, array_uint16_le(data));
data += 2;
continue;
case ES_depth:
set_depth_field(eon, array_uint16_le(data));
data += 2;
continue;
default:
break;
}
break;
}
return 0;
}
static int traverse_fields(unsigned short type, const struct type_desc *desc, const unsigned char *data, int len, void *user)
{
suunto_eonsteel_parser_t *eon = (suunto_eonsteel_parser_t *) user;
// Sample type? Do basic maxdepth and time parsing
if (desc->type[0])
traverse_sample_fields(eon, desc, data, len);
else
traverse_dynamic_fields(eon, desc, data, len);
return 0;
}
static void initialize_field_caches(suunto_eonsteel_parser_t *eon)
{
memset(&eon->cache, 0, sizeof(eon->cache));
eon->cache.initialized = 1 << DC_FIELD_DIVETIME;
traverse_data(eon, traverse_fields, eon);
// The internal time fields are in ms and have to be added up
// like that. At the end, we translate it back to seconds.
eon->cache.divetime /= 1000;
}
static void show_descriptor(suunto_eonsteel_parser_t *eon, int nr, struct type_desc *desc)
{
int i;
if (!desc->desc)
return;
DEBUG(eon->base.context, "Descriptor %d: '%s', size %d bytes", nr, desc->desc, desc->size);
if (desc->format)
DEBUG(eon->base.context, " format '%s'", desc->format);
if (desc->mod)
DEBUG(eon->base.context, " mod '%s'", desc->mod);
for (i = 0; i < EON_MAX_GROUP; i++) {
enum eon_sample type = desc->type[i];
if (!type)
continue;
DEBUG(eon->base.context, " %d: %d (%s)", i, type, desc_type_name(type));
}
}
static void show_all_descriptors(suunto_eonsteel_parser_t *eon)
{
for (unsigned int i = 0; i < MAXTYPE; ++i)
show_descriptor(eon, i, eon->type_desc+i);
}
static dc_status_t
suunto_eonsteel_parser_set_data(dc_parser_t *parser, const unsigned char *data, unsigned int size)
{
suunto_eonsteel_parser_t *eon = (suunto_eonsteel_parser_t *) parser;
desc_free(eon->type_desc, MAXTYPE);
memset(eon->type_desc, 0, sizeof(eon->type_desc));
initialize_field_caches(eon);
show_all_descriptors(eon);
return DC_STATUS_SUCCESS;
}
static dc_status_t
suunto_eonsteel_parser_destroy(dc_parser_t *parser)
{
suunto_eonsteel_parser_t *eon = (suunto_eonsteel_parser_t *) parser;
desc_free(eon->type_desc, MAXTYPE);
return DC_STATUS_SUCCESS;
}
static const dc_parser_vtable_t suunto_eonsteel_parser_vtable = {
sizeof(suunto_eonsteel_parser_t),
DC_FAMILY_SUUNTO_EONSTEEL,
suunto_eonsteel_parser_set_data, /* set_data */
suunto_eonsteel_parser_get_datetime, /* datetime */
suunto_eonsteel_parser_get_field, /* fields */
suunto_eonsteel_parser_samples_foreach, /* samples_foreach */
suunto_eonsteel_parser_destroy /* destroy */
};
dc_status_t
suunto_eonsteel_parser_create(dc_parser_t **out, dc_context_t *context, unsigned int model)
{
suunto_eonsteel_parser_t *parser = NULL;
if (out == NULL)
return DC_STATUS_INVALIDARGS;
parser = (suunto_eonsteel_parser_t *) dc_parser_allocate (context, &suunto_eonsteel_parser_vtable);
if (parser == NULL) {
ERROR (context, "Failed to allocate memory.");
return DC_STATUS_NOMEMORY;
}
memset(&parser->type_desc, 0, sizeof(parser->type_desc));
memset(&parser->cache, 0, sizeof(parser->cache));
*out = (dc_parser_t *) parser;
return DC_STATUS_SUCCESS;
}
| libdc-for-dirk-Subsurface-branch | src/suunto_eonsteel_parser.c |
/*
* libdivecomputer
*
* Copyright (C) 2014 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
*/
#include <string.h> // memcmp, memcpy
#include <stdlib.h> // malloc, free
#include "citizen_aqualand.h"
#include "context-private.h"
#include "device-private.h"
#include "serial.h"
#include "checksum.h"
#include "ringbuffer.h"
#include "array.h"
#define ISINSTANCE(device) dc_device_isinstance((device), &citizen_aqualand_device_vtable)
typedef struct citizen_aqualand_device_t {
dc_device_t base;
dc_iostream_t *iostream;
unsigned char fingerprint[8];
} citizen_aqualand_device_t;
static dc_status_t citizen_aqualand_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size);
static dc_status_t citizen_aqualand_device_dump (dc_device_t *abstract, dc_buffer_t *buffer);
static dc_status_t citizen_aqualand_device_foreach (dc_device_t *abstract, dc_dive_callback_t callback, void *userdata);
static dc_status_t citizen_aqualand_device_close (dc_device_t *abstract);
static const dc_device_vtable_t citizen_aqualand_device_vtable = {
sizeof(citizen_aqualand_device_t),
DC_FAMILY_CITIZEN_AQUALAND,
citizen_aqualand_device_set_fingerprint, /* set_fingerprint */
NULL, /* read */
NULL, /* write */
citizen_aqualand_device_dump, /* dump */
citizen_aqualand_device_foreach, /* foreach */
NULL, /* timesync */
citizen_aqualand_device_close /* close */
};
dc_status_t
citizen_aqualand_device_open (dc_device_t **out, dc_context_t *context, const char *name)
{
dc_status_t status = DC_STATUS_SUCCESS;
citizen_aqualand_device_t *device = NULL;
if (out == NULL)
return DC_STATUS_INVALIDARGS;
// Allocate memory.
device = (citizen_aqualand_device_t *) dc_device_allocate (context, &citizen_aqualand_device_vtable);
if (device == NULL) {
ERROR (context, "Failed to allocate memory.");
return DC_STATUS_NOMEMORY;
}
// Set the default values.
device->iostream = NULL;
memset (device->fingerprint, 0, sizeof (device->fingerprint));
// Open the device.
status = dc_serial_open (&device->iostream, context, name);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to open the serial port.");
goto error_free;
}
// Set the serial communication protocol (4800 8N1).
status = dc_iostream_configure (device->iostream, 4800, 8, DC_PARITY_NONE, DC_STOPBITS_ONE, DC_FLOWCONTROL_NONE);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to set the terminal attributes.");
goto error_close;
}
// Set the timeout for receiving data (1000ms).
status = dc_iostream_set_timeout (device->iostream, 1000);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to set the timeout.");
goto error_close;
}
// Make sure everything is in a sane state.
dc_iostream_sleep (device->iostream, 300);
dc_iostream_purge (device->iostream, DC_DIRECTION_ALL);
*out = (dc_device_t *) device;
return DC_STATUS_SUCCESS;
error_close:
dc_iostream_close (device->iostream);
error_free:
dc_device_deallocate ((dc_device_t *) device);
return status;
}
static dc_status_t
citizen_aqualand_device_close (dc_device_t *abstract)
{
dc_status_t status = DC_STATUS_SUCCESS;
citizen_aqualand_device_t *device = (citizen_aqualand_device_t*) abstract;
dc_status_t rc = DC_STATUS_SUCCESS;
// Close the device.
rc = dc_iostream_close (device->iostream);
if (rc != DC_STATUS_SUCCESS) {
dc_status_set_error(&status, rc);
}
return status;
}
static dc_status_t
citizen_aqualand_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size)
{
citizen_aqualand_device_t *device = (citizen_aqualand_device_t *) abstract;
if (size && size != sizeof (device->fingerprint))
return DC_STATUS_INVALIDARGS;
if (size)
memcpy (device->fingerprint, data, sizeof (device->fingerprint));
else
memset (device->fingerprint, 0, sizeof (device->fingerprint));
return DC_STATUS_SUCCESS;
}
static dc_status_t
citizen_aqualand_device_dump (dc_device_t *abstract, dc_buffer_t *buffer)
{
dc_status_t status = DC_STATUS_SUCCESS;
citizen_aqualand_device_t *device = (citizen_aqualand_device_t *) abstract;
status = dc_iostream_set_dtr (device->iostream, 1);
if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to set the DTR line.");
return status;
}
// Send the init byte.
const unsigned char init[] = {0x7F};
status = dc_iostream_write (device->iostream, init, sizeof (init), NULL);
if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to send the command.");
return status;
}
dc_iostream_sleep(device->iostream, 1200);
// Send the command.
const unsigned char command[] = {0xFF};
status = dc_iostream_write (device->iostream, command, sizeof (command), NULL);
if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to send the command.");
return status;
}
while (1) {
// Receive the response packet.
unsigned char answer[32] = {0};
status = dc_iostream_read (device->iostream, answer, sizeof (answer), NULL);
if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to receive the answer.");
return status;
}
if (!dc_buffer_append(buffer, answer, sizeof (answer))) {
ERROR (abstract->context, "Insufficient buffer space available.");
return status;
}
// Send the command.
status = dc_iostream_write (device->iostream, command, sizeof (command), NULL);
if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to send the command.");
return status;
}
if (answer[sizeof(answer) - 1] == 0xFF)
break;
}
status = dc_iostream_set_dtr (device->iostream, 0);
if (status != DC_STATUS_SUCCESS) {
ERROR (abstract->context, "Failed to clear the DTR line.");
return status;
}
return DC_STATUS_SUCCESS;
}
static dc_status_t
citizen_aqualand_device_foreach (dc_device_t *abstract, dc_dive_callback_t callback, void *userdata)
{
citizen_aqualand_device_t *device = (citizen_aqualand_device_t *) abstract;
dc_buffer_t *buffer = dc_buffer_new (0);
if (buffer == NULL)
return DC_STATUS_NOMEMORY;
dc_status_t rc = citizen_aqualand_device_dump (abstract, buffer);
if (rc != DC_STATUS_SUCCESS) {
dc_buffer_free (buffer);
return rc;
}
unsigned char *data = dc_buffer_get_data (buffer);
unsigned int size = dc_buffer_get_size (buffer);
if (callback && memcmp (data + 0x05, device->fingerprint, sizeof (device->fingerprint)) != 0) {
callback (data, size, data + 0x05, sizeof (device->fingerprint), userdata);
}
dc_buffer_free (buffer);
return rc;
}
| libdc-for-dirk-Subsurface-branch | src/citizen_aqualand.c |
/*
This is an implementation of the AES128 algorithm, specifically ECB and CBC mode.
The implementation is verified against the test vectors in:
National Institute of Standards and Technology Special Publication 800-38A 2001 ED
ECB-AES128
----------
plain-text:
6bc1bee22e409f96e93d7e117393172a
ae2d8a571e03ac9c9eb76fac45af8e51
30c81c46a35ce411e5fbc1191a0a52ef
f69f2445df4f9b17ad2b417be66c3710
key:
2b7e151628aed2a6abf7158809cf4f3c
resulting cipher
3ad77bb40d7a3660a89ecaf32466ef97
f5d3d58503b9699de785895a96fdbaaf
43b1cd7f598ece23881b00e3ed030688
7b0c785e27e8ad3f8223207104725dd4
NOTE: String length must be evenly divisible by 16byte (str_len % 16 == 0)
You should pad the end of the string with zeros if this is not the case.
*/
/*****************************************************************************/
/* Includes: */
/*****************************************************************************/
#include <string.h> // CBC mode, for memset
#include "aes.h"
/*****************************************************************************/
/* Defines: */
/*****************************************************************************/
// The number of columns comprising a state in AES. This is a constant in AES. Value=4
#define Nb 4
// The number of 32 bit words in a key.
#define Nk 4
// Key length in bytes [128 bit]
#define KEYLEN 16
// The number of rounds in AES Cipher.
#define Nr 10
// jcallan@github points out that declaring Multiply as a function
// reduces code size considerably with the Keil ARM compiler.
// See this link for more information: https://github.com/kokke/tiny-AES128-C/pull/3
#ifndef MULTIPLY_AS_A_FUNCTION
#define MULTIPLY_AS_A_FUNCTION 0
#endif
/*****************************************************************************/
/* Private variables: */
/*****************************************************************************/
// state - array holding the intermediate results during decryption.
typedef uint8_t state_t[4][4];
typedef struct aes_state_t {
state_t* state;
// The array that stores the round keys.
uint8_t RoundKey[176];
// The Key input to the AES Program
const uint8_t* Key;
#if defined(CBC) && CBC
// Initial Vector used only for CBC mode
uint8_t* Iv;
#endif
} aes_state_t;
// The lookup-tables are marked const so they can be placed in read-only storage instead of RAM
// The numbers below can be computed dynamically trading ROM for RAM -
// This can be useful in (embedded) bootloader applications, where ROM is often limited.
static const uint8_t sbox[256] = {
//0 1 2 3 4 5 6 7 8 9 A B C D E F
0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 };
static const uint8_t rsbox[256] =
{ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb,
0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb,
0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e,
0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25,
0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92,
0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84,
0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06,
0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b,
0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73,
0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e,
0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b,
0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4,
0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f,
0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef,
0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61,
0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d };
// The round constant word array, Rcon[i], contains the values given by
// x to th e power (i-1) being powers of x (x is denoted as {02}) in the field GF(2^8)
// Note that i starts at 1, not 0).
static const uint8_t Rcon[255] = {
0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a,
0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39,
0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a,
0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8,
0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef,
0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc,
0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b,
0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3,
0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94,
0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20,
0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35,
0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f,
0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04,
0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63,
0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd,
0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb };
/*****************************************************************************/
/* Private functions: */
/*****************************************************************************/
static uint8_t getSBoxValue(uint8_t num)
{
return sbox[num];
}
static uint8_t getSBoxInvert(uint8_t num)
{
return rsbox[num];
}
// This function produces Nb(Nr+1) round keys. The round keys are used in each round to decrypt the states.
static void KeyExpansion(aes_state_t *state)
{
uint32_t i, j, k;
uint8_t tempa[4]; // Used for the column/row operations
// The first round key is the key itself.
for(i = 0; i < Nk; ++i)
{
state->RoundKey[(i * 4) + 0] = state->Key[(i * 4) + 0];
state->RoundKey[(i * 4) + 1] = state->Key[(i * 4) + 1];
state->RoundKey[(i * 4) + 2] = state->Key[(i * 4) + 2];
state->RoundKey[(i * 4) + 3] = state->Key[(i * 4) + 3];
}
// All other round keys are found from the previous round keys.
for(; (i < (Nb * (Nr + 1))); ++i)
{
for(j = 0; j < 4; ++j)
{
tempa[j]=state->RoundKey[(i-1) * 4 + j];
}
if (i % Nk == 0)
{
// This function rotates the 4 bytes in a word to the left once.
// [a0,a1,a2,a3] becomes [a1,a2,a3,a0]
// Function RotWord()
{
k = tempa[0];
tempa[0] = tempa[1];
tempa[1] = tempa[2];
tempa[2] = tempa[3];
tempa[3] = k;
}
// SubWord() is a function that takes a four-byte input word and
// applies the S-box to each of the four bytes to produce an output word.
// Function Subword()
{
tempa[0] = getSBoxValue(tempa[0]);
tempa[1] = getSBoxValue(tempa[1]);
tempa[2] = getSBoxValue(tempa[2]);
tempa[3] = getSBoxValue(tempa[3]);
}
tempa[0] = tempa[0] ^ Rcon[i/Nk];
}
else if (Nk > 6 && i % Nk == 4)
{
// Function Subword()
{
tempa[0] = getSBoxValue(tempa[0]);
tempa[1] = getSBoxValue(tempa[1]);
tempa[2] = getSBoxValue(tempa[2]);
tempa[3] = getSBoxValue(tempa[3]);
}
}
state->RoundKey[i * 4 + 0] = state->RoundKey[(i - Nk) * 4 + 0] ^ tempa[0];
state->RoundKey[i * 4 + 1] = state->RoundKey[(i - Nk) * 4 + 1] ^ tempa[1];
state->RoundKey[i * 4 + 2] = state->RoundKey[(i - Nk) * 4 + 2] ^ tempa[2];
state->RoundKey[i * 4 + 3] = state->RoundKey[(i - Nk) * 4 + 3] ^ tempa[3];
}
}
// This function adds the round key to state.
// The round key is added to the state by an XOR function.
static void AddRoundKey(aes_state_t *state, uint8_t round)
{
uint8_t i,j;
for(i=0;i<4;++i)
{
for(j = 0; j < 4; ++j)
{
(*state->state)[i][j] ^= state->RoundKey[round * Nb * 4 + i * Nb + j];
}
}
}
// The SubBytes Function Substitutes the values in the
// state matrix with values in an S-box.
static void SubBytes(aes_state_t *state)
{
uint8_t i, j;
for(i = 0; i < 4; ++i)
{
for(j = 0; j < 4; ++j)
{
(*state->state)[j][i] = getSBoxValue((*state->state)[j][i]);
}
}
}
// The ShiftRows() function shifts the rows in the state to the left.
// Each row is shifted with different offset.
// Offset = Row number. So the first row is not shifted.
static void ShiftRows(aes_state_t *state)
{
uint8_t temp;
// Rotate first row 1 columns to left
temp = (*state->state)[0][1];
(*state->state)[0][1] = (*state->state)[1][1];
(*state->state)[1][1] = (*state->state)[2][1];
(*state->state)[2][1] = (*state->state)[3][1];
(*state->state)[3][1] = temp;
// Rotate second row 2 columns to left
temp = (*state->state)[0][2];
(*state->state)[0][2] = (*state->state)[2][2];
(*state->state)[2][2] = temp;
temp = (*state->state)[1][2];
(*state->state)[1][2] = (*state->state)[3][2];
(*state->state)[3][2] = temp;
// Rotate third row 3 columns to left
temp = (*state->state)[0][3];
(*state->state)[0][3] = (*state->state)[3][3];
(*state->state)[3][3] = (*state->state)[2][3];
(*state->state)[2][3] = (*state->state)[1][3];
(*state->state)[1][3] = temp;
}
static uint8_t xtime(uint8_t x)
{
return ((x<<1) ^ (((x>>7) & 1) * 0x1b));
}
// MixColumns function mixes the columns of the state matrix
static void MixColumns(aes_state_t *state)
{
uint8_t i;
uint8_t Tmp,Tm,t;
for(i = 0; i < 4; ++i)
{
t = (*state->state)[i][0];
Tmp = (*state->state)[i][0] ^ (*state->state)[i][1] ^ (*state->state)[i][2] ^ (*state->state)[i][3] ;
Tm = (*state->state)[i][0] ^ (*state->state)[i][1] ; Tm = xtime(Tm); (*state->state)[i][0] ^= Tm ^ Tmp ;
Tm = (*state->state)[i][1] ^ (*state->state)[i][2] ; Tm = xtime(Tm); (*state->state)[i][1] ^= Tm ^ Tmp ;
Tm = (*state->state)[i][2] ^ (*state->state)[i][3] ; Tm = xtime(Tm); (*state->state)[i][2] ^= Tm ^ Tmp ;
Tm = (*state->state)[i][3] ^ t ; Tm = xtime(Tm); (*state->state)[i][3] ^= Tm ^ Tmp ;
}
}
// Multiply is used to multiply numbers in the field GF(2^8)
#if MULTIPLY_AS_A_FUNCTION
static uint8_t Multiply(uint8_t x, uint8_t y)
{
return (((y & 1) * x) ^
((y>>1 & 1) * xtime(x)) ^
((y>>2 & 1) * xtime(xtime(x))) ^
((y>>3 & 1) * xtime(xtime(xtime(x)))) ^
((y>>4 & 1) * xtime(xtime(xtime(xtime(x))))));
}
#else
#define Multiply(x, y) \
( ((y & 1) * x) ^ \
((y>>1 & 1) * xtime(x)) ^ \
((y>>2 & 1) * xtime(xtime(x))) ^ \
((y>>3 & 1) * xtime(xtime(xtime(x)))) ^ \
((y>>4 & 1) * xtime(xtime(xtime(xtime(x)))))) \
#endif
// MixColumns function mixes the columns of the state matrix.
// The method used to multiply may be difficult to understand for the inexperienced.
// Please use the references to gain more information.
static void InvMixColumns(aes_state_t *state)
{
int i;
uint8_t a,b,c,d;
for(i=0;i<4;++i)
{
a = (*state->state)[i][0];
b = (*state->state)[i][1];
c = (*state->state)[i][2];
d = (*state->state)[i][3];
(*state->state)[i][0] = Multiply(a, 0x0e) ^ Multiply(b, 0x0b) ^ Multiply(c, 0x0d) ^ Multiply(d, 0x09);
(*state->state)[i][1] = Multiply(a, 0x09) ^ Multiply(b, 0x0e) ^ Multiply(c, 0x0b) ^ Multiply(d, 0x0d);
(*state->state)[i][2] = Multiply(a, 0x0d) ^ Multiply(b, 0x09) ^ Multiply(c, 0x0e) ^ Multiply(d, 0x0b);
(*state->state)[i][3] = Multiply(a, 0x0b) ^ Multiply(b, 0x0d) ^ Multiply(c, 0x09) ^ Multiply(d, 0x0e);
}
}
// The SubBytes Function Substitutes the values in the
// state matrix with values in an S-box.
static void InvSubBytes(aes_state_t *state)
{
uint8_t i,j;
for(i=0;i<4;++i)
{
for(j=0;j<4;++j)
{
(*state->state)[j][i] = getSBoxInvert((*state->state)[j][i]);
}
}
}
static void InvShiftRows(aes_state_t *state)
{
uint8_t temp;
// Rotate first row 1 columns to right
temp=(*state->state)[3][1];
(*state->state)[3][1]=(*state->state)[2][1];
(*state->state)[2][1]=(*state->state)[1][1];
(*state->state)[1][1]=(*state->state)[0][1];
(*state->state)[0][1]=temp;
// Rotate second row 2 columns to right
temp=(*state->state)[0][2];
(*state->state)[0][2]=(*state->state)[2][2];
(*state->state)[2][2]=temp;
temp=(*state->state)[1][2];
(*state->state)[1][2]=(*state->state)[3][2];
(*state->state)[3][2]=temp;
// Rotate third row 3 columns to right
temp=(*state->state)[0][3];
(*state->state)[0][3]=(*state->state)[1][3];
(*state->state)[1][3]=(*state->state)[2][3];
(*state->state)[2][3]=(*state->state)[3][3];
(*state->state)[3][3]=temp;
}
// Cipher is the main function that encrypts the PlainText.
static void Cipher(aes_state_t *state)
{
uint8_t round = 0;
// Add the First round key to the state before starting the rounds.
AddRoundKey(state, 0);
// There will be Nr rounds.
// The first Nr-1 rounds are identical.
// These Nr-1 rounds are executed in the loop below.
for(round = 1; round < Nr; ++round)
{
SubBytes(state);
ShiftRows(state);
MixColumns(state);
AddRoundKey(state, round);
}
// The last round is given below.
// The MixColumns function is not here in the last round.
SubBytes(state);
ShiftRows(state);
AddRoundKey(state, Nr);
}
static void InvCipher(aes_state_t *state)
{
uint8_t round=0;
// Add the First round key to the state before starting the rounds.
AddRoundKey(state, Nr);
// There will be Nr rounds.
// The first Nr-1 rounds are identical.
// These Nr-1 rounds are executed in the loop below.
for(round=Nr-1;round>0;round--)
{
InvShiftRows(state);
InvSubBytes(state);
AddRoundKey(state, round);
InvMixColumns(state);
}
// The last round is given below.
// The MixColumns function is not here in the last round.
InvShiftRows(state);
InvSubBytes(state);
AddRoundKey(state, 0);
}
static void BlockCopy(uint8_t* output, uint8_t* input)
{
uint8_t i;
for (i=0;i<KEYLEN;++i)
{
output[i] = input[i];
}
}
/*****************************************************************************/
/* Public functions: */
/*****************************************************************************/
#if defined(ECB) && ECB
void AES128_ECB_encrypt(uint8_t* input, const uint8_t* key, uint8_t* output)
{
aes_state_t state;
// Copy input to output, and work in-memory on output
BlockCopy(output, input);
state.state = (state_t*)output;
state.Key = key;
KeyExpansion(&state);
// The next function call encrypts the PlainText with the Key using AES algorithm.
Cipher(&state);
}
void AES128_ECB_decrypt(uint8_t* input, const uint8_t* key, uint8_t *output)
{
aes_state_t state;
// Copy input to output, and work in-memory on output
BlockCopy(output, input);
state.state = (state_t*)output;
// The KeyExpansion routine must be called before encryption.
state.Key = key;
KeyExpansion(&state);
InvCipher(&state);
}
#endif // #if defined(ECB) && ECB
#if defined(CBC) && CBC
static void XorWithIv(aes_state_t *state, uint8_t* buf)
{
uint8_t i;
for(i = 0; i < KEYLEN; ++i)
{
buf[i] ^= state->Iv[i];
}
}
void AES128_CBC_encrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
{
intptr_t i;
uint8_t remainders = length % KEYLEN; /* Remaining bytes in the last non-full block */
aes_state_t state;
BlockCopy(output, input);
state.state = (state_t*)output;
// Skip the key expansion if key is passed as 0
if(0 != key)
{
state.Key = key;
KeyExpansion(&state);
}
if(iv != 0)
{
state.Iv = (uint8_t*)iv;
}
for(i = 0; i < length; i += KEYLEN)
{
XorWithIv(&state, input);
BlockCopy(output, input);
state.state = (state_t*)output;
Cipher(&state);
state.Iv = output;
input += KEYLEN;
output += KEYLEN;
}
if(remainders)
{
BlockCopy(output, input);
memset(output + remainders, 0, KEYLEN - remainders); /* add 0-padding */
state.state = (state_t*)output;
Cipher(&state);
}
}
void AES128_CBC_decrypt_buffer(uint8_t* output, uint8_t* input, uint32_t length, const uint8_t* key, const uint8_t* iv)
{
intptr_t i;
uint8_t remainders = length % KEYLEN; /* Remaining bytes in the last non-full block */
aes_state_t state;
BlockCopy(output, input);
state.state = (state_t*)output;
// Skip the key expansion if key is passed as 0
if(0 != key)
{
state.Key = key;
KeyExpansion(&state);
}
// If iv is passed as 0, we continue to encrypt without re-setting the Iv
if(iv != 0)
{
state.Iv = (uint8_t*)iv;
}
for(i = 0; i < length; i += KEYLEN)
{
BlockCopy(output, input);
state.state = (state_t*)output;
InvCipher(&state);
XorWithIv(&state, output);
state.Iv = input;
input += KEYLEN;
output += KEYLEN;
}
if(remainders)
{
BlockCopy(output, input);
memset(output+remainders, 0, KEYLEN - remainders); /* add 0-padding */
state.state = (state_t*)output;
InvCipher(&state);
}
}
#endif // #if defined(CBC) && CBC
| libdc-for-dirk-Subsurface-branch | src/aes.c |
/*
* libdivecomputer
*
* Copyright (C) 2009 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
*/
#include <string.h> // memcpy, memcmp
#include <stdlib.h> // malloc, free
#include <assert.h> // assert
#include "mares_puck.h"
#include "mares_common.h"
#include "context-private.h"
#include "device-private.h"
#include "serial.h"
#include "checksum.h"
#include "array.h"
#define ISINSTANCE(device) dc_device_isinstance((device), &mares_puck_device_vtable)
#define NEMOWIDE 1
#define NEMOAIR 4
#define PUCK 7
#define PUCKAIR 19
typedef struct mares_puck_device_t {
mares_common_device_t base;
const mares_common_layout_t *layout;
unsigned char fingerprint[5];
} mares_puck_device_t;
static dc_status_t mares_puck_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size);
static dc_status_t mares_puck_device_dump (dc_device_t *abstract, dc_buffer_t *buffer);
static dc_status_t mares_puck_device_foreach (dc_device_t *abstract, dc_dive_callback_t callback, void *userdata);
static dc_status_t mares_puck_device_close (dc_device_t *abstract);
static const dc_device_vtable_t mares_puck_device_vtable = {
sizeof(mares_puck_device_t),
DC_FAMILY_MARES_PUCK,
mares_puck_device_set_fingerprint, /* set_fingerprint */
mares_common_device_read, /* read */
NULL, /* write */
mares_puck_device_dump, /* dump */
mares_puck_device_foreach, /* foreach */
NULL, /* timesync */
mares_puck_device_close /* close */
};
static const mares_common_layout_t mares_puck_layout = {
0x4000, /* memsize */
0x0070, /* rb_profile_begin */
0x4000, /* rb_profile_end */
0x4000, /* rb_freedives_begin */
0x4000 /* rb_freedives_end */
};
static const mares_common_layout_t mares_nemoair_layout = {
0x8000, /* memsize */
0x0070, /* rb_profile_begin */
0x8000, /* rb_profile_end */
0x8000, /* rb_freedives_begin */
0x8000 /* rb_freedives_end */
};
static const mares_common_layout_t mares_nemowide_layout = {
0x4000, /* memsize */
0x0070, /* rb_profile_begin */
0x3400, /* rb_profile_end */
0x3400, /* rb_freedives_begin */
0x4000 /* rb_freedives_end */
};
dc_status_t
mares_puck_device_open (dc_device_t **out, dc_context_t *context, const char *name)
{
dc_status_t status = DC_STATUS_SUCCESS;
mares_puck_device_t *device = NULL;
if (out == NULL)
return DC_STATUS_INVALIDARGS;
// Allocate memory.
device = (mares_puck_device_t *) dc_device_allocate (context, &mares_puck_device_vtable);
if (device == NULL) {
ERROR (context, "Failed to allocate memory.");
return DC_STATUS_NOMEMORY;
}
// Initialize the base class.
mares_common_device_init (&device->base);
// Set the default values.
device->layout = NULL;
memset (device->fingerprint, 0, sizeof (device->fingerprint));
// Open the device.
status = dc_serial_open (&device->base.iostream, context, name);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to open the serial port.");
goto error_free;
}
// Set the serial communication protocol (38400 8N1).
status = dc_iostream_configure (device->base.iostream, 38400, 8, DC_PARITY_NONE, DC_STOPBITS_ONE, DC_FLOWCONTROL_NONE);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to set the terminal attributes.");
goto error_close;
}
// Set the timeout for receiving data (1000 ms).
status = dc_iostream_set_timeout (device->base.iostream, 1000);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to set the timeout.");
goto error_close;
}
// Clear the DTR line.
status = dc_iostream_set_dtr (device->base.iostream, 0);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to clear the DTR line.");
goto error_close;
}
// Clear the RTS line.
status = dc_iostream_set_rts (device->base.iostream, 0);
if (status != DC_STATUS_SUCCESS) {
ERROR (context, "Failed to clear the RTS line.");
goto error_close;
}
// Make sure everything is in a sane state.
dc_iostream_purge (device->base.iostream, DC_DIRECTION_ALL);
// Identify the model number.
unsigned char header[PACKETSIZE] = {0};
status = mares_common_device_read ((dc_device_t *) device, 0, header, sizeof (header));
if (status != DC_STATUS_SUCCESS) {
goto error_close;
}
// Override the base class values.
switch (header[1]) {
case NEMOWIDE:
device->layout = &mares_nemowide_layout;
break;
case NEMOAIR:
case PUCKAIR:
device->layout = &mares_nemoair_layout;
break;
case PUCK:
device->layout = &mares_puck_layout;
break;
default: // Unknown, try puck
device->layout = &mares_puck_layout;
break;
}
*out = (dc_device_t*) device;
return DC_STATUS_SUCCESS;
error_close:
dc_iostream_close (device->base.iostream);
error_free:
dc_device_deallocate ((dc_device_t *) device);
return status;
}
static dc_status_t
mares_puck_device_close (dc_device_t *abstract)
{
dc_status_t status = DC_STATUS_SUCCESS;
mares_puck_device_t *device = (mares_puck_device_t*) abstract;
dc_status_t rc = DC_STATUS_SUCCESS;
// Close the device.
rc = dc_iostream_close (device->base.iostream);
if (rc != DC_STATUS_SUCCESS) {
dc_status_set_error(&status, rc);
}
return status;
}
static dc_status_t
mares_puck_device_set_fingerprint (dc_device_t *abstract, const unsigned char data[], unsigned int size)
{
mares_puck_device_t *device = (mares_puck_device_t *) abstract;
if (size && size != sizeof (device->fingerprint))
return DC_STATUS_INVALIDARGS;
if (size)
memcpy (device->fingerprint, data, sizeof (device->fingerprint));
else
memset (device->fingerprint, 0, sizeof (device->fingerprint));
return DC_STATUS_SUCCESS;
}
static dc_status_t
mares_puck_device_dump (dc_device_t *abstract, dc_buffer_t *buffer)
{
mares_puck_device_t *device = (mares_puck_device_t *) abstract;
assert (device->layout != NULL);
// Allocate the required amount of memory.
if (!dc_buffer_resize (buffer, device->layout->memsize)) {
ERROR (abstract->context, "Insufficient buffer space available.");
return DC_STATUS_NOMEMORY;
}
return device_dump_read (abstract, dc_buffer_get_data (buffer),
dc_buffer_get_size (buffer), PACKETSIZE);
}
static dc_status_t
mares_puck_device_foreach (dc_device_t *abstract, dc_dive_callback_t callback, void *userdata)
{
mares_puck_device_t *device = (mares_puck_device_t *) abstract;
assert (device->layout != NULL);
dc_buffer_t *buffer = dc_buffer_new (device->layout->memsize);
if (buffer == NULL)
return DC_STATUS_NOMEMORY;
dc_status_t rc = mares_puck_device_dump (abstract, buffer);
if (rc != DC_STATUS_SUCCESS) {
dc_buffer_free (buffer);
return rc;
}
// Emit a device info event.
unsigned char *data = dc_buffer_get_data (buffer);
dc_event_devinfo_t devinfo;
devinfo.model = data[1];
devinfo.firmware = 0;
devinfo.serial = array_uint16_be (data + 8);
device_event_emit (abstract, DC_EVENT_DEVINFO, &devinfo);
rc = mares_common_extract_dives (abstract->context, device->layout, device->fingerprint, data, callback, userdata);
dc_buffer_free (buffer);
return rc;
}
| libdc-for-dirk-Subsurface-branch | src/mares_puck.c |
/*
* libdivecomputer
*
* Copyright (C) 2015 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
*/
#include <stdlib.h>
#include <assert.h>
#include "common-private.h"
void
dc_status_set_error (dc_status_t *status, dc_status_t error)
{
assert (status != NULL);
if (*status == DC_STATUS_SUCCESS)
*status = error;
}
| libdc-for-dirk-Subsurface-branch | src/common.c |
/*
* libdivecomputer
*
* Copyright (C) 2009 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
*/
#include <stdlib.h> // malloc, realloc, free
#include <string.h> // memcpy, memmove
#include <libdivecomputer/buffer.h>
struct dc_buffer_t {
unsigned char *data;
size_t capacity, offset, size;
};
dc_buffer_t *
dc_buffer_new (size_t capacity)
{
dc_buffer_t *buffer = (dc_buffer_t *) malloc (sizeof (dc_buffer_t));
if (buffer == NULL)
return NULL;
if (capacity) {
buffer->data = (unsigned char *) malloc (capacity);
if (buffer->data == NULL) {
free (buffer);
return NULL;
}
} else {
buffer->data = NULL;
}
buffer->capacity = capacity;
buffer->offset = 0;
buffer->size = 0;
return buffer;
}
void
dc_buffer_free (dc_buffer_t *buffer)
{
if (buffer == NULL)
return;
if (buffer->data)
free (buffer->data);
free (buffer);
}
int
dc_buffer_clear (dc_buffer_t *buffer)
{
if (buffer == NULL)
return 0;
buffer->offset = 0;
buffer->size = 0;
return 1;
}
static size_t
dc_buffer_expand_calc (dc_buffer_t *buffer, size_t n)
{
size_t oldsize = buffer->capacity;
size_t newsize = (oldsize ? oldsize : n);
while (newsize < n)
newsize *= 2;
return newsize;
}
static int
dc_buffer_expand_append (dc_buffer_t *buffer, size_t n)
{
if (n > buffer->capacity - buffer->offset) {
if (n > buffer->capacity) {
size_t capacity = dc_buffer_expand_calc (buffer, n);
unsigned char *data = (unsigned char *) malloc (capacity);
if (data == NULL)
return 0;
if (buffer->size)
memcpy (data, buffer->data + buffer->offset, buffer->size);
free (buffer->data);
buffer->data = data;
buffer->capacity = capacity;
buffer->offset = 0;
} else {
if (buffer->size)
memmove (buffer->data, buffer->data + buffer->offset, buffer->size);
buffer->offset = 0;
}
}
return 1;
}
static int
dc_buffer_expand_prepend (dc_buffer_t *buffer, size_t n)
{
size_t available = buffer->capacity - buffer->size;
if (n > buffer->offset + buffer->size) {
if (n > buffer->capacity) {
size_t capacity = dc_buffer_expand_calc (buffer, n);
unsigned char *data = (unsigned char *) malloc (capacity);
if (data == NULL)
return 0;
if (buffer->size)
memcpy (data + capacity - buffer->size, buffer->data + buffer->offset, buffer->size);
free (buffer->data);
buffer->data = data;
buffer->capacity = capacity;
buffer->offset = capacity - buffer->size;
} else {
if (buffer->size)
memmove (buffer->data + available, buffer->data + buffer->offset, buffer->size);
buffer->offset = available;
}
}
return 1;
}
int
dc_buffer_reserve (dc_buffer_t *buffer, size_t capacity)
{
if (buffer == NULL)
return 0;
if (capacity <= buffer->capacity)
return 1;
unsigned char *data = (unsigned char *) realloc (buffer->data, capacity);
if (data == NULL)
return 0;
buffer->data = data;
buffer->capacity = capacity;
return 1;
}
int
dc_buffer_resize (dc_buffer_t *buffer, size_t size)
{
if (buffer == NULL)
return 0;
if (!dc_buffer_expand_append (buffer, size))
return 0;
if (size > buffer->size)
memset (buffer->data + buffer->offset + buffer->size, 0, size - buffer->size);
buffer->size = size;
return 1;
}
int
dc_buffer_append (dc_buffer_t *buffer, const unsigned char data[], size_t size)
{
if (buffer == NULL)
return 0;
if (!dc_buffer_expand_append (buffer, buffer->size + size))
return 0;
if (size)
memcpy (buffer->data + buffer->offset + buffer->size, data, size);
buffer->size += size;
return 1;
}
int
dc_buffer_prepend (dc_buffer_t *buffer, const unsigned char data[], size_t size)
{
if (buffer == NULL)
return 0;
if (!dc_buffer_expand_prepend (buffer, buffer->size + size))
return 0;
if (size)
memcpy (buffer->data + buffer->offset - size, data, size);
buffer->size += size;
buffer->offset -= size;
return 1;
}
int
dc_buffer_slice (dc_buffer_t *buffer, size_t offset, size_t size)
{
if (buffer == NULL)
return 0;
if (offset + size > buffer->size)
return 0;
buffer->offset += offset;
buffer->size = size;
return 1;
}
size_t
dc_buffer_get_size (dc_buffer_t *buffer)
{
if (buffer == NULL)
return 0;
return buffer->size;
}
unsigned char *
dc_buffer_get_data (dc_buffer_t *buffer)
{
if (buffer == NULL)
return NULL;
return buffer->size ? buffer->data + buffer->offset : NULL;
}
| libdc-for-dirk-Subsurface-branch | src/buffer.c |
/*
* libdivecomputer
*
* Copyright (C) 2018 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
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#ifdef _WIN32
#define NOGDI
#include <windows.h>
#else
#include <time.h>
#include <sys/time.h>
#ifdef HAVE_MACH_MACH_TIME_H
#include <mach/mach_time.h>
#endif
#endif
#include "timer.h"
struct dc_timer_t {
#if defined (_WIN32)
LARGE_INTEGER timestamp;
LARGE_INTEGER frequency;
#elif defined (HAVE_CLOCK_GETTIME)
struct timespec timestamp;
#elif defined (HAVE_MACH_ABSOLUTE_TIME)
uint64_t timestamp;
mach_timebase_info_data_t info;
#else
struct timeval timestamp;
#endif
};
dc_status_t
dc_timer_new (dc_timer_t **out)
{
dc_timer_t *timer = NULL;
if (out == NULL)
return DC_STATUS_INVALIDARGS;
timer = (dc_timer_t *) malloc (sizeof (dc_timer_t));
if (timer == NULL) {
return DC_STATUS_NOMEMORY;
}
#if defined (_WIN32)
if (!QueryPerformanceFrequency(&timer->frequency) ||
!QueryPerformanceCounter(&timer->timestamp)) {
free(timer);
return DC_STATUS_IO;
}
#elif defined (HAVE_CLOCK_GETTIME)
if (clock_gettime(CLOCK_MONOTONIC, &timer->timestamp) != 0) {
free(timer);
return DC_STATUS_IO;
}
#elif defined (HAVE_MACH_ABSOLUTE_TIME)
if (mach_timebase_info(&timer->info) != KERN_SUCCESS) {
free(timer);
return DC_STATUS_IO;
}
timer->timestamp = mach_absolute_time();
#else
if (gettimeofday (&timer->timestamp, NULL) != 0) {
free(timer);
return DC_STATUS_IO;
}
#endif
*out = timer;
return DC_STATUS_SUCCESS;
}
dc_status_t
dc_timer_now (dc_timer_t *timer, dc_usecs_t *usecs)
{
dc_status_t status = DC_STATUS_SUCCESS;
dc_usecs_t value = 0;
if (timer == NULL) {
status = DC_STATUS_INVALIDARGS;
goto out;
}
#if defined (_WIN32)
LARGE_INTEGER now;
if (!QueryPerformanceCounter(&now)) {
status = DC_STATUS_IO;
goto out;
}
value = (now.QuadPart - timer->timestamp.QuadPart) * 1000000 / timer->frequency.QuadPart;
#elif defined (HAVE_CLOCK_GETTIME)
struct timespec now, delta;
if (clock_gettime(CLOCK_MONOTONIC, &now) != 0) {
status = DC_STATUS_IO;
goto out;
}
if (now.tv_nsec < timer->timestamp.tv_nsec) {
delta.tv_nsec = 1000000000 + now.tv_nsec - timer->timestamp.tv_nsec;
delta.tv_sec = now.tv_sec - timer->timestamp.tv_sec - 1;
} else {
delta.tv_nsec = now.tv_nsec - timer->timestamp.tv_nsec;
delta.tv_sec = now.tv_sec - timer->timestamp.tv_sec;
}
value = (dc_usecs_t) delta.tv_sec * 1000000 + delta.tv_nsec / 1000;
#elif defined (HAVE_MACH_ABSOLUTE_TIME)
uint64_t now = mach_absolute_time();
value = (now - timer->timestamp) * timer->info.numer / timer->info.denom;
#else
struct timeval now, delta;
if (gettimeofday (&now, NULL) != 0) {
status = DC_STATUS_IO;
goto out;
}
timersub (&now, &timer->timestamp, &delta);
value = (dc_usecs_t) delta.tv_sec * 1000000 + delta.tv_usec;
#endif
out:
if (usecs)
*usecs = value;
return status;
}
dc_status_t
dc_timer_free (dc_timer_t *timer)
{
free (timer);
return DC_STATUS_SUCCESS;
}
| libdc-for-dirk-Subsurface-branch | src/timer.c |
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