* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
-extern "C" {
#include <sigrokdecode.h> /* First, so we avoid a _POSIX_C_SOURCE warning. */
+#include <signal.h>
#include <stdint.h>
#include <libsigrok/libsigrok.h>
-}
#include <getopt.h>
#include "config.h"
+// Global pointer to our QApplication
+QApplication *g_app = NULL;
+
void usage()
{
- fprintf(stderr,
+ fprintf(stdout,
"Usage:\n"
- " %s — %s\n"
+ " %s [OPTION…] [FILE] — %s\n"
"\n"
"Help Options:\n"
" -V, --version Show release version\n"
"\n", PV_BIN_NAME, PV_DESCRIPTION);
}
+/*
+ * SIGINT handler (likely received Ctrl-C from terminal)
+ */
+void sigint_handler(int param)
+{
+ (void)param;
+
+ qDebug("Received SIGINT.");
+
+ if (g_app)
+ g_app->quit();
+}
+
int main(int argc, char *argv[])
{
int ret = 0;
struct sr_context *sr_ctx = NULL;
+ const char *open_file = NULL;
+
+ // Register a SIGINT handler
+ signal(SIGINT, sigint_handler);
QApplication a(argc, argv);
+ // Now we have an application to populate our global pointer
+ g_app = &a;
// Set some application metadata
QApplication::setApplicationVersion(PV_VERSION_STRING);
// Parse arguments
while (1) {
static const struct option long_options[] = {
- {"version", no_argument, 0, 'V'},
- {"help", no_argument, 0, 'h'},
+ {"version", no_argument, 0, 'V'},
+ {"help", no_argument, 0, 'h'},
{0, 0, 0, 0}
};
switch (c) {
case 'V':
// Print version info
- fprintf(stderr, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
+ fprintf(stdout, "%s %s\n", PV_TITLE, PV_VERSION_STRING);
return 0;
case 'h':
}
}
+ if (argc - optind > 1) {
+ fprintf(stderr, "Only one file can be openened.\n");
+ return 1;
+ } else if (argc - optind == 1)
+ open_file = argv[argc - 1];
+
// Initialise libsigrok
if (sr_init(&sr_ctx) != SR_OK) {
qDebug() << "ERROR: libsigrok init failed.";
// Initialize all libsigrok drivers
sr_dev_driver **const drivers = sr_driver_list();
for (sr_dev_driver **driver = drivers; *driver; driver++) {
- if (sr_driver_init(*driver) != SR_OK) {
+ if (sr_driver_init(sr_ctx, *driver) != SR_OK) {
qDebug("Failed to initialize driver %s",
(*driver)->name);
ret = 1;
}
}
- if(ret == 0) {
+ if (ret == 0) {
// Initialise the main window
- pv::MainWindow w;
+ pv::MainWindow w(open_file);
w.show();
// Run the application