Added devices::File as a common base of file devices
[pulseview.git] / 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                 "  -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 }