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 <libsigrokandroidutils/libsigrokandroidutils.h>
  41 #include "android/loghandler.h"
  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         struct sr_context *sr_ctx = NULL;
  69         const char *open_file = NULL;
  70
  71         QApplication a(argc, argv);
  72
  73         // Set some application metadata
  74         QApplication::setApplicationVersion(PV_VERSION_STRING);
  75         QApplication::setApplicationName("PulseView");
  76         QApplication::setOrganizationDomain("sigrok.org");
  77
  78 #ifdef ANDROID
  79         srau_init_environment();
  80         pv::AndroidLogHandler::install_callbacks();
  81 #endif
  82
  83         // Parse arguments
  84         while (1) {
  85                 static const struct option long_options[] = {
  86                         {"loglevel", required_argument, 0, 'l'},
  87                         {"version", no_argument, 0, 'V'},
  88                         {"help", no_argument, 0, 'h'},
  89                         {0, 0, 0, 0}
  90                 };
  91
  92                 const int c = getopt_long(argc, argv,
  93                         "l:Vh?", long_options, NULL);
  94                 if (c == -1)
  95                         break;
  96
  97                 switch (c) {
  98                 case 'l':
  99                 {
 100                         const int loglevel = atoi(optarg);
 101                         sr_log_loglevel_set(loglevel);
 102
 103 #ifdef ENABLE_DECODE
 104                         srd_log_loglevel_set(loglevel);
 105 #endif
 106
 107                         break;
 108                 }
 109
 110                 case 'V':
 111                         // Print version info
 112                         fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
 113                         return 0;
 114
 115                 case 'h':
 116                 case '?':
 117                         usage();
 118                         return 0;
 119                 }
 120         }
 121
 122         if (argc - optind > 1) {
 123                 fprintf(stderr, "Only one file can be openened.\n");
 124                 return 1;
 125         } else if (argc - optind == 1)
 126                 open_file = argv[argc - 1];
 127
 128         // Initialise libsigrok
 129         if (sr_init(&sr_ctx) != SR_OK) {
 130                 qDebug() << "ERROR: libsigrok init failed.";
 131                 return 1;
 132         }
 133
 134         do {
 135
 136 #ifdef ENABLE_DECODE
 137                 // Initialise libsigrokdecode
 138                 if (srd_init(NULL) != SRD_OK) {
 139                         qDebug() << "ERROR: libsigrokdecode init failed.";
 140                         break;
 141                 }
 142
 143                 // Load the protocol decoders
 144                 srd_decoder_load_all();
 145 #endif
 146
 147                 try {
 148                         // Create the device manager, initialise the drivers
 149                         pv::DeviceManager device_manager(sr_ctx);
 150
 151                         // Initialise the main window
 152                         pv::MainWindow w(device_manager, open_file);
 153                         w.show();
 154
 155 #ifdef ENABLE_SIGNALS
 156                         if(SignalHandler::prepare_signals()) {
 157                                 SignalHandler *const handler =
 158                                         new SignalHandler(&w);
 159                                 QObject::connect(handler,
 160                                         SIGNAL(int_received()),
 161                                         &w, SLOT(close()));
 162                                 QObject::connect(handler,
 163                                         SIGNAL(term_received()),
 164                                         &w, SLOT(close()));
 165                         } else {
 166                                 qWarning() <<
 167                                         "Could not prepare signal handler.";
 168                         }
 169 #endif
 170
 171                         // Run the application
 172                         ret = a.exec();
 173
 174                 } catch(std::exception e) {
 175                         qDebug() << e.what();
 176                 }
 177
 178 #ifdef ENABLE_DECODE
 179                 // Destroy libsigrokdecode
 180                 srd_exit();
 181 #endif
 182
 183         } while (0);
 184
 185         // Destroy libsigrok
 186         if (sr_ctx)
 187                 sr_exit(sr_ctx);
 188
 189         return ret;
 190 }