]> sigrok.org Git - pulseview.git/blame_incremental - main.cpp
Fix compiler warnings/errors due to -Wall.
[pulseview.git] / main.cpp
... / ...
CommitLineData
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
21extern "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// Global pointer to our QApplication
38QApplication *g_app = NULL;
39
40void usage()
41{
42 fprintf(stderr,
43 "Usage:\n"
44 " %s — %s\n"
45 "\n"
46 "Help Options:\n"
47 " -V, --version Show release version\n"
48 " -h, -?, --help Show help option\n"
49 "\n", PV_BIN_NAME, PV_DESCRIPTION);
50}
51
52/*
53 * SIGINT handler (likely received Ctrl-C from terminal)
54 */
55void sigint_handler(int param)
56{
57 (void)param;
58
59 qDebug("Received SIGINT.");
60
61 if (g_app)
62 g_app->quit();
63}
64
65int main(int argc, char *argv[])
66{
67 int ret = 0;
68 struct sr_context *sr_ctx = NULL;
69
70 // Register a SIGINT handler
71 signal(SIGINT, sigint_handler);
72
73 QApplication a(argc, argv);
74 // Now we have an application to populate our global pointer
75 g_app = &a;
76
77 // Set some application metadata
78 QApplication::setApplicationVersion(PV_VERSION_STRING);
79 QApplication::setApplicationName("PulseView");
80 QApplication::setOrganizationDomain("http://www.sigrok.org");
81
82 // Parse arguments
83 while (1) {
84 static const struct option long_options[] = {
85 {"version", no_argument, 0, 'V'},
86 {"help", no_argument, 0, 'h'},
87 {0, 0, 0, 0}
88 };
89
90 const char c = getopt_long(argc, argv,
91 "Vh?", long_options, NULL);
92 if (c == -1)
93 break;
94
95 switch (c) {
96 case 'V':
97 // Print version info
98 fprintf(stderr, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
99 return 0;
100
101 case 'h':
102 case '?':
103 usage();
104 return 0;
105 }
106 }
107
108 // Initialise libsigrok
109 if (sr_init(&sr_ctx) != SR_OK) {
110 qDebug() << "ERROR: libsigrok init failed.";
111 return 1;
112 }
113
114 // Initialise libsigrokdecode
115 if (srd_init(NULL) == SRD_OK) {
116
117 // Load the protocol decoders
118 srd_decoder_load_all();
119
120 // Initialize all libsigrok drivers
121 sr_dev_driver **const drivers = sr_driver_list();
122 for (sr_dev_driver **driver = drivers; *driver; driver++) {
123 if (sr_driver_init(sr_ctx, *driver) != SR_OK) {
124 qDebug("Failed to initialize driver %s",
125 (*driver)->name);
126 ret = 1;
127 break;
128 }
129 }
130
131 if (ret == 0) {
132 // Initialise the main window
133 pv::MainWindow w;
134 w.show();
135
136 // Run the application
137 ret = a.exec();
138 }
139
140 // Destroy libsigrokdecode and libsigrok
141 srd_exit();
142
143 } else {
144 qDebug() << "ERROR: libsigrokdecode init failed.";
145 }
146
147 if (sr_ctx)
148 sr_exit(sr_ctx);
149
150 return ret;
151}