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/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 #endif
  81
  82         // Parse arguments
  83         while (1) {
  84                 static const struct option long_options[] = {
  85                         {"help", no_argument, 0, 'h'},
  86                         {"version", no_argument, 0, 'V'},
  87                         {"loglevel", required_argument, 0, 'l'},
  88                         {"input-file", required_argument, 0, 'i'},
  89                         {"input-format", required_argument, 0, 'I'},
  90                         {0, 0, 0, 0}
  91                 };
  92
  93                 const int c = getopt_long(argc, argv,
  94                         "l:Vh?i:I:", long_options, nullptr);
  95                 if (c == -1)
  96                         break;
  97
  98                 switch (c) {
  99                 case 'h':
 100                 case '?':
 101                         usage();
 102                         return 0;
 103
 104                 case 'V':
 105                         // Print version info
 106                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
 107                         return 0;
 108
 109                 case 'l':
 110                 {
 111                         const int loglevel = atoi(optarg);
 112                         context->set_log_level(sigrok::LogLevel::get(loglevel));
 113
 114 #ifdef ENABLE_DECODE
 115                         srd_log_loglevel_set(loglevel);
 116 #endif
 117
 118                         break;
 119                 }
 120
 121                 case 'i':
 122                         open_file = optarg;
 123                         break;
 124
 125                 case 'I':
 126                         open_file_format = optarg;
 127                         break;
 128                 }
 129         }
 130
 131         if (argc != optind) {
 132                 fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
 133                 return 1;
 134         }
 135
 136         // Initialise libsigrok
 137         context = sigrok::Context::create();
 138
 139         do {
 140
 141 #ifdef ENABLE_DECODE
 142                 // Initialise libsigrokdecode
 143                 if (srd_init(nullptr) != SRD_OK) {
 144                         qDebug() << "ERROR: libsigrokdecode init failed.";
 145                         break;
 146                 }
 147
 148                 // Load the protocol decoders
 149                 srd_decoder_load_all();
 150 #endif
 151
 152                 try {
 153                         // Create the device manager, initialise the drivers
 154                         pv::DeviceManager device_manager(context);
 155
 156                         // Initialise the main window
 157                         pv::MainWindow w(device_manager,
 158                                 open_file, open_file_format);
 159                         w.show();
 160
 161 #ifdef ENABLE_SIGNALS
 162                         if(SignalHandler::prepare_signals()) {
 163                                 SignalHandler *const handler =
 164                                         new SignalHandler(&w);
 165                                 QObject::connect(handler,
 166                                         SIGNAL(int_received()),
 167                                         &w, SLOT(close()));
 168                                 QObject::connect(handler,
 169                                         SIGNAL(term_received()),
 170                                         &w, SLOT(close()));
 171                         } else {
 172                                 qWarning() <<
 173                                         "Could not prepare signal handler.";
 174                         }
 175 #endif
 176
 177                         // Run the application
 178                         ret = a.exec();
 179
 180                 } catch(std::exception e) {
 181                         qDebug() << e.what();
 182                 }
 183
 184 #ifdef ENABLE_DECODE
 185                 // Destroy libsigrokdecode
 186                 srd_exit();
 187 #endif
 188
 189         } while (0);
 190
 191         return ret;
 192 }