main: introduce -D cmdline option, don't auto-scan for devices

[pulseview.git] / main.cpp

diff --git a/main.cpp b/main.cpp
index 8f495419fee7467de77c4074c32927ce658de919..cd7e65d3cbbffa6d7a8ec949e02134c74af64c97 100644 (file)
--- a/main.cpp
+++ b/main.cpp
@@ -68,6 +68,7 @@ void usage()
                "  -V, --version                   Show release version\n"
                "  -l, --loglevel                  Set libsigrok/libsigrokdecode loglevel\n"
                "  -d, --driver                    Specify the device driver to use\n"
+               "  -D, --no-scan                   Don't auto-scan for devices, use -d spec only\n"
                "  -i, --input-file                Load input from file\n"
                "  -I, --input-format              Input format\n"
                "  -c, --clean                     Don't restore previous sessions on startup\n"
@@ -80,6 +81,7 @@ int main(int argc, char *argv[])
        shared_ptr<sigrok::Context> context;
        string open_file, open_file_format, driver;
        bool restore_sessions = true;
+       bool do_scan = true;
 
        Application a(argc, argv);
 
@@ -103,7 +105,7 @@ int main(int argc, char *argv[])
                };
 
                const int c = getopt_long(argc, argv,
-                       "l:Vhc?d:i:I:", long_options, nullptr);
+                       "l:Vhc?d:Di:I:", long_options, nullptr);
                if (c == -1)
                        break;
 
@@ -121,6 +123,10 @@ int main(int argc, char *argv[])
                case 'l':
                {
                        const int loglevel = atoi(optarg);
+                       if (loglevel < 0 || loglevel > 5) {
+                               qDebug() << "ERROR: invalid log level spec.";
+                               break;
+                       }
                        context->set_log_level(sigrok::LogLevel::get(loglevel));
 
 #ifdef ENABLE_DECODE
@@ -139,6 +145,10 @@ int main(int argc, char *argv[])
                        driver = optarg;
                        break;
 
+               case 'D':
+                       do_scan = false;
+                       break;
+
                case 'i':
                        open_file = optarg;
                        break;
@@ -183,7 +193,7 @@ int main(int argc, char *argv[])
 
                try {
                        // Create the device manager, initialise the drivers
-                       pv::DeviceManager device_manager(context, driver);
+                       pv::DeviceManager device_manager(context, driver, do_scan);
 
                        // Initialise the main window
                        pv::MainWindow w(device_manager);