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…] [FILE] — %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                 "\n", PV_BIN_NAME, PV_DESCRIPTION);
  65 }
  66
  67 int main(int argc, char *argv[])
  68 {
  69         int ret = 0;
  70         std::shared_ptr<sigrok::Context> context;
  71         const char *open_file = NULL;
  72
  73         Application a(argc, argv);
  74
  75 #ifdef ANDROID
  76         srau_init_environment();
  77         pv::AndroidLogHandler::install_callbacks();
  78 #endif
  79
  80         // Parse arguments
  81         while (1) {
  82                 static const struct option long_options[] = {
  83                         {"help", no_argument, 0, 'h'},
  84                         {"version", no_argument, 0, 'V'},
  85                         {"loglevel", required_argument, 0, 'l'},
  86                         {0, 0, 0, 0}
  87                 };
  88
  89                 const int c = getopt_long(argc, argv,
  90                         "l:Vh?", long_options, nullptr);
  91                 if (c == -1)
  92                         break;
  93
  94                 switch (c) {
  95                 case 'h':
  96                 case '?':
  97                         usage();
  98                         return 0;
  99
 100                 case 'V':
 101                         // Print version info
 102                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
 103                         return 0;
 104
 105                 case 'l':
 106                 {
 107                         const int loglevel = atoi(optarg);
 108                         context->set_log_level(sigrok::LogLevel::get(loglevel));
 109
 110 #ifdef ENABLE_DECODE
 111                         srd_log_loglevel_set(loglevel);
 112 #endif
 113
 114                         break;
 115                 }
 116                 }
 117         }
 118
 119         if (argc - optind > 1) {
 120                 fprintf(stderr, "Only one file can be openened.\n");
 121                 return 1;
 122         } else if (argc - optind == 1)
 123                 open_file = argv[argc - 1];
 124
 125         // Initialise libsigrok
 126         context = sigrok::Context::create();
 127
 128         do {
 129
 130 #ifdef ENABLE_DECODE
 131                 // Initialise libsigrokdecode
 132                 if (srd_init(nullptr) != SRD_OK) {
 133                         qDebug() << "ERROR: libsigrokdecode init failed.";
 134                         break;
 135                 }
 136
 137                 // Load the protocol decoders
 138                 srd_decoder_load_all();
 139 #endif
 140
 141                 try {
 142                         // Create the device manager, initialise the drivers
 143                         pv::DeviceManager device_manager(context);
 144
 145                         // Initialise the main window
 146                         pv::MainWindow w(device_manager, open_file);
 147                         w.show();
 148
 149 #ifdef ENABLE_SIGNALS
 150                         if(SignalHandler::prepare_signals()) {
 151                                 SignalHandler *const handler =
 152                                         new SignalHandler(&w);
 153                                 QObject::connect(handler,
 154                                         SIGNAL(int_received()),
 155                                         &w, SLOT(close()));
 156                                 QObject::connect(handler,
 157                                         SIGNAL(term_received()),
 158                                         &w, SLOT(close()));
 159                         } else {
 160                                 qWarning() <<
 161                                         "Could not prepare signal handler.";
 162                         }
 163 #endif
 164
 165                         // Run the application
 166                         ret = a.exec();
 167
 168                 } catch(std::exception e) {
 169                         qDebug() << e.what();
 170                 }
 171
 172 #ifdef ENABLE_DECODE
 173                 // Destroy libsigrokdecode
 174                 srd_exit();
 175 #endif
 176
 177         } while (0);
 178
 179         return ret;
 180 }