- { "gps_protocol", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, params_protocols, NULL},
- { "gps_port", VIK_LAYER_PARAM_UINT, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
-
-#ifdef VIK_CONFIG_REALTIME_GPS_TRACKING
+ { "gps_protocol", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("GPS Protocol:"), VIK_LAYER_WIDGET_COMBOBOX, NULL, NULL}, // List now assigned at runtime
+ { "gps_port", VIK_LAYER_PARAM_STRING, GROUP_DATA_MODE, N_("Serial Port:"), VIK_LAYER_WIDGET_COMBOBOX, params_ports, NULL},
+ { "gps_download_tracks", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Tracks:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+ { "gps_upload_tracks", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Tracks:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+ { "gps_download_waypoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Download Waypoints:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+ { "gps_upload_waypoints", VIK_LAYER_PARAM_BOOLEAN, GROUP_DATA_MODE, N_("Upload Waypoints:"), VIK_LAYER_WIDGET_CHECKBUTTON, NULL, NULL},
+#if defined (VIK_CONFIG_REALTIME_GPS_TRACKING) && defined (GPSD_API_MAJOR_VERSION)