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