main.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #ifdef ENABLE_DECODE
  22 #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
  23 #endif
  24
  25 #include <stdint.h>
  26 #include <libsigrokcxx/libsigrokcxx.hpp>
  27
  28 #include <getopt.h>
  29
  30 #include <QDebug>
  31
  32 #ifdef ENABLE_SIGNALS
  33 #include "signalhandler.hpp"
  34 #endif
  35
  36 #include "pv/application.hpp"
  37 #include "pv/devicemanager.hpp"
  38 #include "pv/mainwindow.hpp"
  39 #ifdef ANDROID
  40 #include <libsigrokandroidutils/libsigrokandroidutils.h>
  41 #include "android/assetreader.hpp"
  42 #include "android/loghandler.hpp"
  43 #endif
  44
  45 #include "config.h"
  46
  47 #ifdef _WIN32
  48 // The static qsvg lib is required for SVG graphics/icons (on Windows).
  49 #include <QtPlugin>
  50 Q_IMPORT_PLUGIN(qsvg)
  51 #endif
  52
  53 void usage()
  54 {
  55         fprintf(stdout,
  56                 "Usage:\n"
  57                 "  %s [OPTION…] — %s\n"
  58                 "\n"
  59                 "Help Options:\n"
  60                 "  -h, -?, --help                  Show help option\n"
  61                 "\n"
  62                 "Application Options:\n"
  63                 "  -V, --version                   Show release version\n"
  64                 "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
  65                 "  -i, --input-file                Load input from file\n"
  66                 "  -I, --input-format              Input format\n"
  67                 "\n", PV_BIN_NAME, PV_DESCRIPTION);
  68 }
  69
  70 int main(int argc, char *argv[])
  71 {
  72         int ret = 0;
  73         std::shared_ptr<sigrok::Context> context;
  74         std::string open_file, open_file_format;
  75
  76         Application a(argc, argv);
  77
  78 #ifdef ANDROID
  79         srau_init_environment();
  80         pv::AndroidLogHandler::install_callbacks();
  81         pv::AndroidAssetReader asset_reader;
  82 #endif
  83
  84         // Parse arguments
  85         while (1) {
  86                 static const struct option long_options[] = {
  87                         {"help", no_argument, nullptr, 'h'},
  88                         {"version", no_argument, nullptr, 'V'},
  89                         {"loglevel", required_argument, nullptr, 'l'},
  90                         {"input-file", required_argument, nullptr, 'i'},
  91                         {"input-format", required_argument, nullptr, 'I'},
  92                         {nullptr, 0, nullptr, 0}
  93                 };
  94
  95                 const int c = getopt_long(argc, argv,
  96                         "l:Vh?i:I:", long_options, nullptr);
  97                 if (c == -1)
  98                         break;
  99
 100                 switch (c) {
 101                 case 'h':
 102                 case '?':
 103                         usage();
 104                         return 0;
 105
 106                 case 'V':
 107                         // Print version info
 108                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
 109                         return 0;
 110
 111                 case 'l':
 112                 {
 113                         const int loglevel = atoi(optarg);
 114                         context->set_log_level(sigrok::LogLevel::get(loglevel));
 115
 116 #ifdef ENABLE_DECODE
 117                         srd_log_loglevel_set(loglevel);
 118 #endif
 119
 120                         break;
 121                 }
 122
 123                 case 'i':
 124                         open_file = optarg;
 125                         break;
 126
 127                 case 'I':
 128                         open_file_format = optarg;
 129                         break;
 130                 }
 131         }
 132
 133         if (argc - optind > 1) {
 134                 fprintf(stderr, "Only one file can be opened.\n");
 135                 return 1;
 136         } else if (argc - optind == 1) {
 137                 open_file = argv[argc - 1];
 138         }
 139
 140         // Initialise libsigrok
 141         context = sigrok::Context::create();
 142 #ifdef ANDROID
 143         context->set_resource_reader(&asset_reader);
 144 #endif
 145         do {
 146
 147 #ifdef ENABLE_DECODE
 148                 // Initialise libsigrokdecode
 149                 if (srd_init(nullptr) != SRD_OK) {
 150                         qDebug() << "ERROR: libsigrokdecode init failed.";
 151                         break;
 152                 }
 153
 154                 // Load the protocol decoders
 155                 srd_decoder_load_all();
 156 #endif
 157
 158                 try {
 159                         // Create the device manager, initialise the drivers
 160                         pv::DeviceManager device_manager(context);
 161
 162                         // Initialise the main window
 163                         pv::MainWindow w(device_manager,
 164                                 open_file, open_file_format);
 165                         w.show();
 166
 167 #ifdef ENABLE_SIGNALS
 168                         if (SignalHandler::prepare_signals()) {
 169                                 SignalHandler *const handler =
 170                                         new SignalHandler(&w);
 171                                 QObject::connect(handler,
 172                                         SIGNAL(int_received()),
 173                                         &w, SLOT(close()));
 174                                 QObject::connect(handler,
 175                                         SIGNAL(term_received()),
 176                                         &w, SLOT(close()));
 177                         } else {
 178                                 qWarning() <<
 179                                         "Could not prepare signal handler.";
 180                         }
 181 #endif
 182
 183                         // Run the application
 184                         ret = a.exec();
 185
 186                 } catch (std::exception e) {
 187                         qDebug() << e.what();
 188                 }
 189
 190 #ifdef ENABLE_DECODE
 191                 // Destroy libsigrokdecode
 192                 srd_exit();
 193 #endif
 194
 195         } while (0);
 196
 197         return ret;
 198 }