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 <libsigrok/libsigrok.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                 "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
  60                 "  -V, --version                   Show release version\n"
  61                 "  -h, -?, --help                  Show help option\n"
  62                 "\n", PV_BIN_NAME, PV_DESCRIPTION);
  63 }
  64
  65 int main(int argc, char *argv[])
  66 {
  67         int ret = 0;
  68         std::shared_ptr<sigrok::Context> context;
  69         const char *open_file = NULL;
  70
  71         Application a(argc, argv);
  72
  73 #ifdef ANDROID
  74         srau_init_environment();
  75         pv::AndroidLogHandler::install_callbacks();
  76 #endif
  77
  78         // Parse arguments
  79         while (1) {
  80                 static const struct option long_options[] = {
  81                         {"loglevel", required_argument, 0, 'l'},
  82                         {"version", no_argument, 0, 'V'},
  83                         {"help", no_argument, 0, 'h'},
  84                         {0, 0, 0, 0}
  85                 };
  86
  87                 const int c = getopt_long(argc, argv,
  88                         "l:Vh?", long_options, NULL);
  89                 if (c == -1)
  90                         break;
  91
  92                 switch (c) {
  93                 case 'l':
  94                 {
  95                         const int loglevel = atoi(optarg);
  96                         context->set_log_level(sigrok::LogLevel::get(loglevel));
  97
  98 #ifdef ENABLE_DECODE
  99                         srd_log_loglevel_set(loglevel);
 100 #endif
 101
 102                         break;
 103                 }
 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 'h':
 111                 case '?':
 112                         usage();
 113                         return 0;
 114                 }
 115         }
 116
 117         if (argc - optind > 1) {
 118                 fprintf(stderr, "Only one file can be openened.\n");
 119                 return 1;
 120         } else if (argc - optind == 1)
 121                 open_file = argv[argc - 1];
 122
 123         // Initialise libsigrok
 124         context = sigrok::Context::create();
 125
 126         do {
 127
 128 #ifdef ENABLE_DECODE
 129                 // Initialise libsigrokdecode
 130                 if (srd_init(NULL) != SRD_OK) {
 131                         qDebug() << "ERROR: libsigrokdecode init failed.";
 132                         break;
 133                 }
 134
 135                 // Load the protocol decoders
 136                 srd_decoder_load_all();
 137 #endif
 138
 139                 try {
 140                         // Create the device manager, initialise the drivers
 141                         pv::DeviceManager device_manager(context);
 142
 143                         // Initialise the main window
 144                         pv::MainWindow w(device_manager, open_file);
 145                         w.show();
 146
 147 #ifdef ENABLE_SIGNALS
 148                         if(SignalHandler::prepare_signals()) {
 149                                 SignalHandler *const handler =
 150                                         new SignalHandler(&w);
 151                                 QObject::connect(handler,
 152                                         SIGNAL(int_received()),
 153                                         &w, SLOT(close()));
 154                                 QObject::connect(handler,
 155                                         SIGNAL(term_received()),
 156                                         &w, SLOT(close()));
 157                         } else {
 158                                 qWarning() <<
 159                                         "Could not prepare signal handler.";
 160                         }
 161 #endif
 162
 163                         // Run the application
 164                         ret = a.exec();
 165
 166                 } catch(std::exception e) {
 167                         qDebug() << e.what();
 168                 }
 169
 170 #ifdef ENABLE_DECODE
 171                 // Destroy libsigrokdecode
 172                 srd_exit();
 173 #endif
 174
 175         } while (0);
 176
 177         return ret;
 178 }