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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifdef ENABLE_DECODE
  21 #include <libsigrokdecode/libsigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
  22 #endif
  23
  24 #include <cstdint>
  25 #include <libsigrokcxx/libsigrokcxx.hpp>
  26
  27 #include <getopt.h>
  28
  29 #include <QDebug>
  30 #include <QSettings>
  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 #include <QtPlugin>
  49 Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin)
  50 Q_IMPORT_PLUGIN(QSvgPlugin)
  51 #endif
  52
  53 using std::exception;
  54 using std::shared_ptr;
  55 using std::string;
  56
  57 void usage()
  58 {
  59         fprintf(stdout,
  60                 "Usage:\n"
  61                 "  %s [OPTIONS] [FILE]\n"
  62                 "\n"
  63                 "Help Options:\n"
  64                 "  -h, -?, --help                  Show help option\n"
  65                 "\n"
  66                 "Application Options:\n"
  67                 "  -V, --version                   Show release version\n"
  68                 "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
  69                 "  -i, --input-file                Load input from file\n"
  70                 "  -I, --input-format              Input format\n"
  71                 "  -c, --clean                     Don't restore previous sessions on startup\n"
  72                 "\n", PV_BIN_NAME);
  73 }
  74
  75 int main(int argc, char *argv[])
  76 {
  77         int ret = 0;
  78         shared_ptr<sigrok::Context> context;
  79         string open_file, open_file_format;
  80         bool restore_sessions = true;
  81
  82         Application a(argc, argv);
  83
  84 #ifdef ANDROID
  85         srau_init_environment();
  86         pv::AndroidLogHandler::install_callbacks();
  87         pv::AndroidAssetReader asset_reader;
  88 #endif
  89
  90         // Parse arguments
  91         while (true) {
  92                 static const struct option long_options[] = {
  93                         {"help", no_argument, nullptr, 'h'},
  94                         {"version", no_argument, nullptr, 'V'},
  95                         {"loglevel", required_argument, nullptr, 'l'},
  96                         {"input-file", required_argument, nullptr, 'i'},
  97                         {"input-format", required_argument, nullptr, 'I'},
  98                         {"clean", no_argument, nullptr, 'c'},
  99                         {nullptr, 0, nullptr, 0}
 100                 };
 101
 102                 const int c = getopt_long(argc, argv,
 103                         "l:Vhc?i:I:", long_options, nullptr);
 104                 if (c == -1)
 105                         break;
 106
 107                 switch (c) {
 108                 case 'h':
 109                 case '?':
 110                         usage();
 111                         return 0;
 112
 113                 case 'V':
 114                         // Print version info
 115                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
 116                         return 0;
 117
 118                 case 'l':
 119                 {
 120                         const int loglevel = atoi(optarg);
 121                         context->set_log_level(sigrok::LogLevel::get(loglevel));
 122
 123 #ifdef ENABLE_DECODE
 124                         srd_log_loglevel_set(loglevel);
 125 #endif
 126
 127                         if (loglevel >= 5) {
 128                                 const QSettings settings;
 129                                 qDebug() << "Settings:" << settings.fileName()
 130                                         << "format" << settings.format();
 131                         }
 132                         break;
 133                 }
 134
 135                 case 'i':
 136                         open_file = optarg;
 137                         break;
 138
 139                 case 'I':
 140                         open_file_format = optarg;
 141                         break;
 142
 143                 case 'c':
 144                         restore_sessions = false;
 145                         break;
 146                 }
 147         }
 148
 149         if (argc - optind > 1) {
 150                 fprintf(stderr, "Only one file can be opened.\n");
 151                 return 1;
 152         }
 153
 154         if (argc - optind == 1)
 155                 open_file = argv[argc - 1];
 156
 157         // Initialise libsigrok
 158         context = sigrok::Context::create();
 159 #ifdef ANDROID
 160         context->set_resource_reader(&asset_reader);
 161 #endif
 162         do {
 163
 164 #ifdef ENABLE_DECODE
 165                 // Initialise libsigrokdecode
 166                 if (srd_init(nullptr) != SRD_OK) {
 167                         qDebug() << "ERROR: libsigrokdecode init failed.";
 168                         break;
 169                 }
 170
 171                 // Load the protocol decoders
 172                 srd_decoder_load_all();
 173 #endif
 174
 175                 try {
 176                         // Create the device manager, initialise the drivers
 177                         pv::DeviceManager device_manager(context);
 178
 179                         // Initialise the main window
 180                         pv::MainWindow w(device_manager);
 181                         w.show();
 182
 183                         if (restore_sessions)
 184                                 w.restore_sessions();
 185
 186                         if (!open_file.empty())
 187                                 w.add_session_with_file(open_file, open_file_format);
 188                         else
 189                                 w.add_default_session();
 190
 191 #ifdef ENABLE_SIGNALS
 192                         if (SignalHandler::prepare_signals()) {
 193                                 SignalHandler *const handler =
 194                                         new SignalHandler(&w);
 195                                 QObject::connect(handler,
 196                                         SIGNAL(int_received()),
 197                                         &w, SLOT(close()));
 198                                 QObject::connect(handler,
 199                                         SIGNAL(term_received()),
 200                                         &w, SLOT(close()));
 201                         } else {
 202                                 qWarning() <<
 203                                         "Could not prepare signal handler.";
 204                         }
 205 #endif
 206
 207                         // Run the application
 208                         ret = a.exec();
 209
 210                 } catch (exception e) {
 211                         qDebug() << e.what();
 212                 }
 213
 214 #ifdef ENABLE_DECODE
 215                 // Destroy libsigrokdecode
 216                 srd_exit();
 217 #endif
 218
 219         } while (false);
 220
 221         return ret;
 222 }