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 <stdint.h>
  25 #include <libsigrokcxx/libsigrokcxx.hpp>
  26
  27 #include <getopt.h>
  28
  29 #include <QDebug>
  30
  31 #ifdef ENABLE_SIGNALS
  32 #include "signalhandler.hpp"
  33 #endif
  34
  35 #include "pv/application.hpp"
  36 #include "pv/devicemanager.hpp"
  37 #include "pv/mainwindow.hpp"
  38 #ifdef ANDROID
  39 #include <libsigrokandroidutils/libsigrokandroidutils.h>
  40 #include "android/assetreader.hpp"
  41 #include "android/loghandler.hpp"
  42 #endif
  43
  44 #include "config.h"
  45
  46 #ifdef _WIN32
  47 // The static qsvg lib is required for SVG graphics/icons (on Windows).
  48 #include <QtPlugin>
  49 Q_IMPORT_PLUGIN(qsvg)
  50 #endif
  51
  52 void usage()
  53 {
  54         fprintf(stdout,
  55                 "Usage:\n"
  56                 "  %s [OPTION…] — %s\n"
  57                 "\n"
  58                 "Help Options:\n"
  59                 "  -h, -?, --help                  Show help option\n"
  60                 "\n"
  61                 "Application Options:\n"
  62                 "  -V, --version                   Show release version\n"
  63                 "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
  64                 "  -i, --input-file                Load input from file\n"
  65                 "  -I, --input-format              Input format\n"
  66                 "\n", PV_BIN_NAME, PV_DESCRIPTION);
  67 }
  68
  69 int main(int argc, char *argv[])
  70 {
  71         int ret = 0;
  72         std::shared_ptr<sigrok::Context> context;
  73         std::string open_file, open_file_format;
  74
  75         Application a(argc, argv);
  76
  77 #ifdef ANDROID
  78         srau_init_environment();
  79         pv::AndroidLogHandler::install_callbacks();
  80         pv::AndroidAssetReader asset_reader;
  81 #endif
  82
  83         // Parse arguments
  84         while (1) {
  85                 static const struct option long_options[] = {
  86                         {"help", no_argument, nullptr, 'h'},
  87                         {"version", no_argument, nullptr, 'V'},
  88                         {"loglevel", required_argument, nullptr, 'l'},
  89                         {"input-file", required_argument, nullptr, 'i'},
  90                         {"input-format", required_argument, nullptr, 'I'},
  91                         {nullptr, 0, nullptr, 0}
  92                 };
  93
  94                 const int c = getopt_long(argc, argv,
  95                         "l:Vh?i:I:", long_options, nullptr);
  96                 if (c == -1)
  97                         break;
  98
  99                 switch (c) {
 100                 case 'h':
 101                 case '?':
 102                         usage();
 103                         return 0;
 104
 105                 case 'V':
 106                         // Print version info
 107                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
 108                         return 0;
 109
 110                 case 'l':
 111                 {
 112                         const int loglevel = atoi(optarg);
 113                         context->set_log_level(sigrok::LogLevel::get(loglevel));
 114
 115 #ifdef ENABLE_DECODE
 116                         srd_log_loglevel_set(loglevel);
 117 #endif
 118
 119                         break;
 120                 }
 121
 122                 case 'i':
 123                         open_file = optarg;
 124                         break;
 125
 126                 case 'I':
 127                         open_file_format = optarg;
 128                         break;
 129                 }
 130         }
 131
 132         if (argc - optind > 1) {
 133                 fprintf(stderr, "Only one file can be opened.\n");
 134                 return 1;
 135         } else if (argc - optind == 1) {
 136                 open_file = argv[argc - 1];
 137         }
 138
 139         // Initialise libsigrok
 140         context = sigrok::Context::create();
 141 #ifdef ANDROID
 142         context->set_resource_reader(&asset_reader);
 143 #endif
 144         do {
 145
 146 #ifdef ENABLE_DECODE
 147                 // Initialise libsigrokdecode
 148                 if (srd_init(nullptr) != SRD_OK) {
 149                         qDebug() << "ERROR: libsigrokdecode init failed.";
 150                         break;
 151                 }
 152
 153                 // Load the protocol decoders
 154                 srd_decoder_load_all();
 155 #endif
 156
 157                 try {
 158                         // Create the device manager, initialise the drivers
 159                         pv::DeviceManager device_manager(context);
 160
 161                         // Initialise the main window
 162                         pv::MainWindow w(device_manager,
 163                                 open_file, open_file_format);
 164                         w.show();
 165
 166 #ifdef ENABLE_SIGNALS
 167                         if (SignalHandler::prepare_signals()) {
 168                                 SignalHandler *const handler =
 169                                         new SignalHandler(&w);
 170                                 QObject::connect(handler,
 171                                         SIGNAL(int_received()),
 172                                         &w, SLOT(close()));
 173                                 QObject::connect(handler,
 174                                         SIGNAL(term_received()),
 175                                         &w, SLOT(close()));
 176                         } else {
 177                                 qWarning() <<
 178                                         "Could not prepare signal handler.";
 179                         }
 180 #endif
 181
 182                         // Run the application
 183                         ret = a.exec();
 184
 185                 } catch (std::exception e) {
 186                         qDebug() << e.what();
 187                 }
 188
 189 #ifdef ENABLE_DECODE
 190                 // Destroy libsigrokdecode
 191                 srd_exit();
 192 #endif
 193
 194         } while (0);
 195
 196         return ret;
 197 }