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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 extern "C" {
22 #include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
23 #include <signal.h>
24 #include <stdint.h>
25 #include <libsigrok/libsigrok.h>
26 }
27
28 #include <getopt.h>
29
30 #include <QtGui/QApplication>
31 #include <QDebug>
32
33 #include "pv/mainwindow.h"
34
35 #include "config.h"
36
37 void usage()
38 {
39         fprintf(stderr,
40                 "Usage:\n"
41                 "  %s — %s\n"
42                 "\n"
43                 "Help Options:\n"
44                 "  -V, --version                   Show release version\n"
45                 "  -h, -?, --help                  Show help option\n"
46                 "\n", PV_BIN_NAME, PV_DESCRIPTION);
47 }
48
49 /*
50  * SIGINT handler (likely recieved Ctrl-C from terminal)
51  */
52 void sigint(int param)
53 {
54         (void) param;
55         
56         qDebug("pv: Recieved SIGINT");
57         
58         /* TODO: Handle SIGINT */
59 }
60
61 int main(int argc, char *argv[])
62 {
63         int ret = 0;
64         struct sr_context *sr_ctx = NULL;
65
66         // Register a SIGINT handler
67         signal (SIGINT, sigint);
68
69         QApplication a(argc, argv);
70
71         // Set some application metadata
72         QApplication::setApplicationVersion(PV_VERSION_STRING);
73         QApplication::setApplicationName("PulseView");
74         QApplication::setOrganizationDomain("http://www.sigrok.org");
75
76         // Parse arguments
77         while (1) {
78                 static const struct option long_options[] = {
79                         {"version", no_argument, 0, 'V'},
80                         {"help", no_argument, 0, 'h'},
81                         {0, 0, 0, 0}
82                 };
83
84                 const char c = getopt_long(argc, argv,
85                         "Vh?", long_options, NULL);
86                 if (c == -1)
87                         break;
88
89                 switch (c) {
90                 case 'V':
91                         // Print version info
92                         fprintf(stderr, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
93                         return 0;
94
95                 case 'h':
96                 case '?':
97                         usage();
98                         return 0;
99                 }
100         }
101
102         // Initialise libsigrok
103         if (sr_init(&sr_ctx) != SR_OK) {
104                 qDebug() << "ERROR: libsigrok init failed.";
105                 return 1;
106         }
107
108         // Initialise libsigrokdecode
109         if (srd_init(NULL) == SRD_OK) {
110
111                 // Load the protocol decoders
112                 srd_decoder_load_all();
113
114                 // Initialize all libsigrok drivers
115                 sr_dev_driver **const drivers = sr_driver_list();
116                 for (sr_dev_driver **driver = drivers; *driver; driver++) {
117                         if (sr_driver_init(sr_ctx, *driver) != SR_OK) {
118                                 qDebug("Failed to initialize driver %s",
119                                         (*driver)->name);
120                                 ret = 1;
121                                 break;
122                         }
123                 }
124
125                 if (ret == 0) {
126                         // Initialise the main window
127                         pv::MainWindow w;
128                         w.show();
129
130                         // Run the application
131                         ret = a.exec();
132                 }
133
134                 // Destroy libsigrokdecode and libsigrok
135                 srd_exit();
136
137         } else {
138                 qDebug() << "ERROR: libsigrokdecode init failed.";
139         }
140
141         if (sr_ctx)
142                 sr_exit(sr_ctx);
143
144         return ret;
145 }