/** * @file * @brief GTK-based BACnet Device and Object Property Discovery * @author Steve Karg #include #include #include #include /* BACnet Stack defines - first */ #include "bacnet/bacdef.h" /* BACnet Stack API */ #include "bacnet/bactext.h" #include "bacnet/apdu.h" #include "bacnet/bacdcode.h" #include "bacnet/bacerror.h" #include "bacnet/bacstr.h" #include "bacnet/bactext.h" #include "bacnet/dcc.h" #include "bacnet/iam.h" #include "bacnet/npdu.h" #include "bacnet/version.h" #include "bacnet/whois.h" #include "bacnet/basic/binding/address.h" #include "bacnet/basic/client/bac-discover.h" #include "bacnet/basic/object/device.h" #include "bacnet/basic/sys/debug.h" #include "bacnet/basic/sys/filename.h" #include "bacnet/basic/sys/mstimer.h" #include "bacnet/basic/services.h" #include "bacnet/basic/tsm/tsm.h" #include "bacnet/datalink/datalink.h" #include "bacnet/datalink/dlenv.h" /* Used ImageMagick: convert BACnet-Icon.svg bacnet-icon.xpm */ #include "bacnet-icon.xpm" /* Global variables */ static GtkWidget *main_window; static GtkWidget *device_tree_view; static GtkWidget *object_tree_view; static GtkWidget *property_tree_view; static GtkListStore *device_store; static GtkListStore *object_store; static GtkListStore *property_store; /* BACnet global variables */ static uint8_t Rx_Buf[MAX_MPDU]; /* task timer for various BACnet timeouts */ static struct mstimer BACnet_Task_Timer; /* task timer for TSM timeouts */ static struct mstimer BACnet_TSM_Timer; /* GTK interfaces */ static bool bacnet_initialized = false; static guint bacnet_timeout_id = 0; /* Tree store columns */ enum { DEVICE_COL_ID, DEVICE_COL_NAME, DEVICE_COL_MODEL, DEVICE_COL_ADDRESS, DEVICE_NUM_COLS }; enum { OBJECT_COL_TYPE, OBJECT_COL_TYPE_NAME, OBJECT_COL_DEVICE_ID, OBJECT_COL_OBJECT_ID, OBJECT_COL_NAME, OBJECT_NUM_COLS }; enum { PROPERTY_COL_DEVICE_ID, PROPERTY_COL_OBJECT_TYPE, PROPERTY_COL_OBJECT_ID, PROPERTY_COL_ID, PROPERTY_COL_ARRAY_INDEX, PROPERTY_COL_VALUE_TAG, PROPERTY_COL_NAME, PROPERTY_COL_VALUE, PROPERTY_NUM_COLS }; /** * @brief function to use c-stack RAM to create a string within function scope * @param PTR - a pointer to a local character pointer * @param ... - vsprintf format specifiers and variable arguments * @return Upon successful completion, the sprintf() function shall return * the number of bytes written to the PTR, excluding the terminating null byte. * If an output error was encountered, these functions shall return a negative * value and set errno to indicate the error. */ #define asprintfa(PTR, ...) \ sprintf((*(PTR)) = alloca(1 + snprintf(NULL, 0, __VA_ARGS__)), __VA_ARGS__) /** * @brief Make a string from the MAC address * @param str - Buffer to hold the string representation * @param str_len - * @param addr - MAC address to convert to a string * @param len - length of the MAC address * @return number of bytes in the string */ static int bacapp_snprintf_macaddr(char *str, size_t str_len, const uint8_t *addr, int len) { int ret_val = 0; int slen = 0; int j = 0; while (j < len) { if (j != 0) { bacapp_snprintf(str, str_len, ":"); ret_val += bacapp_snprintf_shift(1, &str, &str_len); } slen = bacapp_snprintf(str, str_len, "%02X", addr[j]); ret_val += bacapp_snprintf_shift(slen, &str, &str_len); j++; } return ret_val; } /** * @brief Make a string from the BACnet address * @param str - Buffer to hold the string representation * @param str_len - * @param address - BACnet address to convert to a string * @return number of bytes in the string */ static int bacapp_snprintf_address(char *str, size_t str_len, BACNET_ADDRESS *address) { int ret_val = 0; int slen = 0; uint8_t local_sadr = 0; /* MAC */ slen = bacapp_snprintf_macaddr(str, str_len, address->mac, address->mac_len); ret_val += bacapp_snprintf_shift(slen, &str, &str_len); /* NET */ slen = bacapp_snprintf(str, str_len, ";%hu;", address->net); ret_val += bacapp_snprintf_shift(slen, &str, &str_len); /* ADR */ if (address->net) { slen = bacapp_snprintf_macaddr(str, str_len, address->adr, address->len); ret_val += bacapp_snprintf_shift(slen, &str, &str_len); } else { slen = bacapp_snprintf_macaddr(str, str_len, &local_sadr, 1); ret_val += bacapp_snprintf_shift(slen, &str, &str_len); } return ret_val; } /** * @brief Add a discovered device to the GUI * @param device_id - BACnet Device Instance number * @param address - BACnet Address of the Device * @param device_model - BACnet Device Model * @param device_name - BACnet Device Name */ static void add_discovered_device_to_gui( uint32_t device_id, BACNET_ADDRESS *address, const char *device_model, const char *device_name) { GtkTreeIter iter; char address_str[64] = "MAC-Address"; /* Fill device structure */ /* Create address string */ if (address) { bacapp_snprintf_address(address_str, sizeof(address_str), address); } printf("%lu|%s|%s\n", (unsigned long)device_id, device_name, address_str); /* Add to GUI */ gtk_list_store_append(device_store, &iter); gtk_list_store_set( device_store, &iter, DEVICE_COL_ID, device_id, DEVICE_COL_NAME, device_name, DEVICE_COL_MODEL, device_model, DEVICE_COL_ADDRESS, address_str, -1); } /** * @brief Add discovered objects for a device to the GUI * @param device_id - Device which contains objects */ static void add_discovered_objects_to_gui(uint32_t device_id) { GtkTreeIter iter; unsigned int object_index = 0; unsigned int object_count = 0; BACNET_OBJECT_ID object_id = { 0 }; char object_name[MAX_CHARACTER_STRING_BYTES] = { 0 }; object_count = bacnet_discover_device_object_count(device_id); for (object_index = 0; object_index < object_count; object_index++) { if (bacnet_discover_device_object_identifier( device_id, object_index, &object_id)) { gtk_list_store_append(object_store, &iter); bacnet_discover_property_name( device_id, object_id.type, object_id.instance, PROP_OBJECT_NAME, object_name, sizeof(object_name), ""); gtk_list_store_set( object_store, &iter, OBJECT_COL_TYPE, object_id.type, OBJECT_COL_TYPE_NAME, bactext_object_type_name(object_id.type), OBJECT_COL_DEVICE_ID, device_id, OBJECT_COL_OBJECT_ID, object_id.instance, OBJECT_COL_NAME, object_name, -1); } } } /** * @brief Handle device selection change * @param selection the selection that is changed * @param data optional data in the callback */ static void on_device_selection_changed(GtkTreeSelection *selection, gpointer data) { GtkTreeIter iter; GtkTreeModel *model; guint device_id; (void)data; if (gtk_tree_selection_get_selected(selection, &model, &iter)) { gtk_tree_model_get(model, &iter, DEVICE_COL_ID, &device_id, -1); printf("Device selected: %u\n", device_id); /* Clear object store and reload objects for selected device */ gtk_list_store_clear(object_store); gtk_list_store_clear(property_store); add_discovered_objects_to_gui(device_id); } } /** * @brief Add discovered properties for an object to the GUI * @param device_id Device instance of the object properties * @param object_type Object type for the properties * @param object_instance Object instance for the properties */ static void add_discovered_properties_to_gui( uint32_t device_id, BACNET_OBJECT_TYPE object_type, uint32_t object_instance) { GtkTreeIter iter; unsigned int property_count = 0; unsigned int index = 0; uint32_t array_index = BACNET_ARRAY_ALL; uint32_t property_id = 0; BACNET_OBJECT_PROPERTY_VALUE object_value = { 0 }; BACNET_APPLICATION_DATA_VALUE value = { 0 }; bool status = false; int str_len = 0; char *property_string; property_count = bacnet_discover_object_property_count( device_id, object_type, object_instance); for (index = 0; index < property_count; index++) { gtk_list_store_append(property_store, &iter); bacnet_discover_object_property_identifier( device_id, object_type, object_instance, index, &property_id); if (bactext_property_name_proprietary(property_id)) { asprintfa( &property_string, "proprietary-%lu", (unsigned long)property_id); } else { asprintfa( &property_string, "%s", bactext_property_name(property_id)); } status = bacnet_discover_property_value( device_id, object_type, object_instance, property_id, &value); if (status) { object_value.object_type = object_type; object_value.object_instance = object_instance; object_value.object_property = property_id; object_value.array_index = array_index; object_value.value = &value; str_len = bacapp_snprintf_value(NULL, 0, &object_value); if (str_len > 0) { char str[str_len + 1]; bacapp_snprintf_value(str, str_len + 1, &object_value); gtk_list_store_set( property_store, &iter, PROPERTY_COL_DEVICE_ID, device_id, PROPERTY_COL_OBJECT_TYPE, object_type, PROPERTY_COL_OBJECT_ID, object_instance, PROPERTY_COL_ID, property_id, PROPERTY_COL_ARRAY_INDEX, array_index, PROPERTY_COL_VALUE_TAG, value.tag, PROPERTY_COL_NAME, property_string, PROPERTY_COL_VALUE, str, -1); } else { status = false; } } if (!status) { gtk_list_store_set( property_store, &iter, PROPERTY_COL_DEVICE_ID, device_id, PROPERTY_COL_OBJECT_TYPE, object_type, PROPERTY_COL_OBJECT_ID, object_instance, PROPERTY_COL_ID, property_id, PROPERTY_COL_ARRAY_INDEX, array_index, PROPERTY_COL_VALUE_TAG, value.tag, PROPERTY_COL_NAME, property_string, PROPERTY_COL_VALUE, "-", -1); } } } /** * @brief Handle object selection change * @param selection selection that was changed * @param data optional data for the callback */ static void on_object_selection_changed(GtkTreeSelection *selection, gpointer data) { GtkTreeIter iter; GtkTreeModel *model; guint object_instance, object_type, device_id; (void)data; if (gtk_tree_selection_get_selected(selection, &model, &iter)) { gtk_tree_model_get( model, &iter, OBJECT_COL_DEVICE_ID, &device_id, OBJECT_COL_OBJECT_ID, &object_instance, OBJECT_COL_TYPE, &object_type, -1); /* Clear property store and reload properties for selected object */ gtk_list_store_clear(property_store); add_discovered_properties_to_gui( device_id, (BACNET_OBJECT_TYPE)object_type, object_instance); } } /** * @brief Handle discover devices button click * @param button button that was clicked * @param data optional data for the callback */ static void on_discover_devices_clicked(GtkButton *button, gpointer data) { (void)button; /* unused parameter */ (void)data; /* unused parameter */ if (!bacnet_initialized) { GtkWidget *dialog; dialog = gtk_message_dialog_new( GTK_WINDOW(main_window), GTK_DIALOG_DESTROY_WITH_PARENT, GTK_MESSAGE_ERROR, GTK_BUTTONS_OK, "BACnet stack not initialized. Please restart the " "application."); gtk_dialog_run(GTK_DIALOG(dialog)); gtk_widget_destroy(dialog); return; } /* discover */ Send_WhoIs_Global(0, 4194303); } static void on_property_edited( GtkCellRendererText *renderer, gchar *path_string, gchar *new_text, gpointer user_data) { GtkTreeModel *model = GTK_TREE_MODEL(user_data); GtkTreeIter iter = { 0 }; guint device_id = 0; guint object_type = 0; guint object_id = 0; guint property_id = 0; guint array_index = 0; long priority = BACNET_NO_PRIORITY; guint value_tag = 0; unsigned enumerated_value = 0; bool status = false; uint8_t invoke_id; bool null_value = false; BACNET_APPLICATION_DATA_VALUE value = { 0 }; (void)renderer; /* unused parameter */ if (gtk_tree_model_get_iter_from_string(model, &iter, path_string)) { gtk_tree_model_get( model, &iter, PROPERTY_COL_DEVICE_ID, &device_id, -1); gtk_tree_model_get( model, &iter, PROPERTY_COL_OBJECT_TYPE, &object_type, -1); gtk_tree_model_get( model, &iter, PROPERTY_COL_OBJECT_ID, &object_id, -1); gtk_tree_model_get( model, &iter, PROPERTY_COL_ARRAY_INDEX, &array_index, -1); gtk_tree_model_get( model, &iter, PROPERTY_COL_VALUE_TAG, &value_tag, -1); gtk_tree_model_get(model, &iter, PROPERTY_COL_ID, &property_id, -1); /* allow for optional priority using @ symbol for commandables */ if (property_list_commandable_member(object_type, property_id)) { /* search the new_text for the @ symbol */ char *at_ptr = strchr(new_text, '@'); if (at_ptr) { /* convert the priority value after the @ symbol into an integer */ priority = strtol(at_ptr + 1, NULL, 0); if (priority < BACNET_MIN_PRIORITY) { priority = BACNET_NO_PRIORITY; } if (priority > BACNET_MAX_PRIORITY) { priority = BACNET_NO_PRIORITY; } /* null terminate the string at the @ symbol */ *at_ptr = 0; } /* check for case insensitive NULL string */ if (bacnet_strnicmp(new_text, "NULL", 4) == 0) { null_value = true; } } /* convert the string value into a tagged union value */ if (null_value) { value.tag = BACNET_APPLICATION_TAG_NULL; status = true; } else if (value_tag == BACNET_APPLICATION_TAG_ENUMERATED) { status = bactext_object_property_strtoul( (BACNET_OBJECT_TYPE)object_type, (BACNET_PROPERTY_ID)property_id, new_text, &enumerated_value); if (status) { value.tag = BACNET_APPLICATION_TAG_ENUMERATED; value.type.Enumerated = (uint32_t)enumerated_value; } } else { status = bacapp_parse_application_data(value_tag, new_text, &value); } printf( "Parsed %s-%u %s %s -> tag=%u %s\n", bactext_object_type_name(object_type), object_id, bactext_property_name(property_id), new_text, value_tag, status ? "successfully" : "unsuccessfully"); if (status) { invoke_id = Send_Write_Property_Request( device_id, object_type, object_id, property_id, &value, priority, array_index); if (invoke_id) { printf( "WriteProperty to Device %u %s-%u %s = %s\n", device_id, bactext_object_type_name(object_type), object_id, bactext_property_name(property_id), new_text); gtk_list_store_set( property_store, &iter, PROPERTY_COL_VALUE, new_text, -1); } } } } /** * @brief Process discovered devices and add them to the GUI */ static void process_discovered_devices(void) { unsigned int device_index = 0; unsigned int device_count = 0; unsigned int max_apdu = 0; BACNET_ADDRESS device_address = { 0 }; uint32_t device_id = 0; char model_name[MAX_CHARACTER_STRING_BYTES] = { "-" }; char object_name[MAX_CHARACTER_STRING_BYTES] = { "-" }; device_count = bacnet_discover_device_count(); for (device_index = 0; device_index < device_count; device_index++) { device_id = bacnet_discover_device_instance(device_index); bacnet_discover_property_name( device_id, OBJECT_DEVICE, device_id, PROP_MODEL_NAME, model_name, sizeof(model_name), "model-name"); bacnet_discover_property_name( device_id, OBJECT_DEVICE, device_id, PROP_OBJECT_NAME, object_name, sizeof(object_name), "object-name"); address_get_by_device(device_id, &max_apdu, &device_address); add_discovered_device_to_gui( device_id, &device_address, model_name, object_name); } } /** * @brief Handle refresh button click * @param button button that was clicked * @param data optional data for the callback */ static void on_refresh_clicked(GtkButton *button, gpointer data) { (void)button; /* unused parameter */ (void)data; /* unused parameter */ gtk_list_store_clear(device_store); gtk_list_store_clear(object_store); gtk_list_store_clear(property_store); process_discovered_devices(); } /** * @brief Setup the device tree view object */ static void setup_device_tree_view(void) { GtkCellRenderer *renderer; GtkTreeViewColumn *column; GtkTreeSelection *selection; /* Create list store */ device_store = gtk_list_store_new( DEVICE_NUM_COLS, G_TYPE_UINT, /* Device ID */ G_TYPE_STRING, /* Device Name */ G_TYPE_STRING, /* Device Model */ G_TYPE_STRING); /* Address */ /* Create tree view */ device_tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(device_store)); gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(device_tree_view), TRUE); /* Device ID column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Device ID", renderer, "text", DEVICE_COL_ID, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(device_tree_view), column); /* Device Name column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Name", renderer, "text", DEVICE_COL_NAME, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(device_tree_view), column); /* Device Model column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Model", renderer, "text", DEVICE_COL_MODEL, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(device_tree_view), column); /* Address column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Address", renderer, "text", DEVICE_COL_ADDRESS, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(device_tree_view), column); /* Setup selection changed callback */ selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(device_tree_view)); gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE); g_signal_connect( selection, "changed", G_CALLBACK(on_device_selection_changed), NULL); } /** * @brief Setup the object tree view object */ static void setup_object_tree_view(void) { GtkCellRenderer *renderer; GtkTreeViewColumn *column; GtkTreeSelection *selection; /* Create list store */ object_store = gtk_list_store_new( OBJECT_NUM_COLS, G_TYPE_UINT, /* OBJECT_COL_TYPE */ G_TYPE_STRING, /* OBJECT_COL_TYPE_NAME */ G_TYPE_UINT, /* OBJECT_COL_DEVICE_ID */ G_TYPE_UINT, /* OBJECT_COL_OBJECT_ID */ G_TYPE_STRING); /* OBJECT_COL_NAME */ /* Create tree view */ object_tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(object_store)); gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(object_tree_view), TRUE); /* Object Type Name column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Object Type", renderer, "text", OBJECT_COL_TYPE_NAME, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(object_tree_view), column); /* Object Instance column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Instance", renderer, "text", OBJECT_COL_OBJECT_ID, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(object_tree_view), column); /* Object Name column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Name", renderer, "text", OBJECT_COL_NAME, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(object_tree_view), column); /* Setup selection changed callback */ selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(object_tree_view)); gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE); g_signal_connect( selection, "changed", G_CALLBACK(on_object_selection_changed), NULL); } /** * @brief Setup the property tree view object */ static void setup_property_tree_view(void) { GtkCellRenderer *renderer; GtkTreeViewColumn *column; /* Create list store */ property_store = gtk_list_store_new( PROPERTY_NUM_COLS, G_TYPE_UINT, /* PROPERTY_COL_DEVICE_ID */ G_TYPE_UINT, /* PROPERTY_COL_OBJECT_TYPE */ G_TYPE_UINT, /* PROPERTY_COL_OBJECT_ID */ G_TYPE_UINT, /* PROPERTY_COL_ID */ G_TYPE_UINT, /* PROPERTY_COL_ARRAY_INDEX */ G_TYPE_INT, /* PROPERTY_COL_VALUE_TAG */ G_TYPE_STRING, /* PROPERTY_COL_NAME */ G_TYPE_STRING); /* PROPERTY_COL_VALUE */ /* Create tree view */ property_tree_view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(property_store)); gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(property_tree_view), TRUE); /* Property Name column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Property", renderer, "text", PROPERTY_COL_NAME, NULL); gtk_tree_view_append_column(GTK_TREE_VIEW(property_tree_view), column); /* Property Value column */ renderer = gtk_cell_renderer_text_new(); column = gtk_tree_view_column_new_with_attributes( "Value", renderer, "text", PROPERTY_COL_VALUE, NULL); g_object_set(renderer, "editable", TRUE, NULL); g_signal_connect( renderer, "edited", G_CALLBACK(on_property_edited), GTK_TREE_MODEL(property_store)); gtk_tree_view_append_column(GTK_TREE_VIEW(property_tree_view), column); } /** * @brief Create the main application window */ static void create_main_window(void) { GtkWidget *vbox; GtkWidget *toolbar; GtkWidget *hpaned, *vpaned; GtkWidget *scrolled_window; GtkWidget *discover_button, *refresh_button; GtkToolItem *tool_item; GdkPixbuf *icon_pixbuf; /* Create main window */ main_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); gtk_window_set_title(GTK_WINDOW(main_window), "BACnet Device Discovery"); gtk_window_set_default_size(GTK_WINDOW(main_window), 1200, 800); gtk_container_set_border_width(GTK_CONTAINER(main_window), 5); /* set the icon */ icon_pixbuf = gdk_pixbuf_new_from_xpm_data(bacnet_icon); if (icon_pixbuf) { gtk_window_set_icon(GTK_WINDOW(main_window), icon_pixbuf); } /* Connect destroy signal */ g_signal_connect(main_window, "destroy", G_CALLBACK(gtk_main_quit), NULL); /* Create main vertical box */ vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 5); gtk_container_add(GTK_CONTAINER(main_window), vbox); /* Create toolbar */ toolbar = gtk_toolbar_new(); gtk_toolbar_set_style(GTK_TOOLBAR(toolbar), GTK_TOOLBAR_BOTH); gtk_box_pack_start(GTK_BOX(vbox), toolbar, FALSE, FALSE, 0); /* Add discover button */ discover_button = gtk_button_new_with_label("Discover Devices"); g_signal_connect( discover_button, "clicked", G_CALLBACK(on_discover_devices_clicked), NULL); tool_item = gtk_tool_item_new(); gtk_container_add(GTK_CONTAINER(tool_item), discover_button); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tool_item, -1); /* Add refresh button */ refresh_button = gtk_button_new_with_label("Refresh"); g_signal_connect( refresh_button, "clicked", G_CALLBACK(on_refresh_clicked), NULL); tool_item = gtk_tool_item_new(); gtk_container_add(GTK_CONTAINER(tool_item), refresh_button); gtk_toolbar_insert(GTK_TOOLBAR(toolbar), tool_item, -1); /* Create horizontal paned widget */ hpaned = gtk_paned_new(GTK_ORIENTATION_HORIZONTAL); gtk_box_pack_start(GTK_BOX(vbox), hpaned, TRUE, TRUE, 0); /* Create vertical paned widget for right side */ vpaned = gtk_paned_new(GTK_ORIENTATION_VERTICAL); gtk_paned_pack2(GTK_PANED(hpaned), vpaned, TRUE, FALSE); /* Setup device tree view (left side) */ scrolled_window = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_widget_set_size_request(scrolled_window, 400, -1); setup_device_tree_view(); gtk_container_add(GTK_CONTAINER(scrolled_window), device_tree_view); gtk_paned_pack1(GTK_PANED(hpaned), scrolled_window, FALSE, FALSE); /* Setup object tree view (top right) */ scrolled_window = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); gtk_widget_set_size_request(scrolled_window, -1, 200); setup_object_tree_view(); gtk_container_add(GTK_CONTAINER(scrolled_window), object_tree_view); gtk_paned_pack1(GTK_PANED(vpaned), scrolled_window, TRUE, FALSE); /* Setup property tree view (bottom right) */ scrolled_window = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy( GTK_SCROLLED_WINDOW(scrolled_window), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); setup_property_tree_view(); gtk_container_add(GTK_CONTAINER(scrolled_window), property_tree_view); gtk_paned_pack2(GTK_PANED(vpaned), scrolled_window, TRUE, FALSE); /* Set paned positions */ gtk_paned_set_position(GTK_PANED(hpaned), 400); gtk_paned_set_position(GTK_PANED(vpaned), 200); } /** * @brief Non-blocking task for running BACnet server tasks */ static void bacnet_server_task(void) { static bool initialized = false; BACNET_ADDRESS src = { 0 }; /* address where message came from */ uint16_t pdu_len = 0; const unsigned timeout_ms = 5; if (!initialized) { initialized = true; /* broadcast an I-Am on startup */ Send_I_Am(&Handler_Transmit_Buffer[0]); } /* input */ /* returns 0 bytes on timeout */ pdu_len = datalink_receive(&src, &Rx_Buf[0], MAX_MPDU, timeout_ms); /* process */ if (pdu_len) { npdu_handler(&src, &Rx_Buf[0], pdu_len); } /* 1 second tasks */ if (mstimer_expired(&BACnet_Task_Timer)) { mstimer_reset(&BACnet_Task_Timer); dcc_timer_seconds(1); datalink_maintenance_timer(1); dlenv_maintenance_timer(1); } if (mstimer_expired(&BACnet_TSM_Timer)) { mstimer_reset(&BACnet_TSM_Timer); tsm_timer_milliseconds(mstimer_interval(&BACnet_TSM_Timer)); } } /* GTK timeout callback for BACnet processing */ static gboolean bacnet_task_timeout(gpointer data) { (void)data; /* unused parameter */ if (bacnet_initialized) { bacnet_server_task(); bacnet_discover_task(); } return TRUE; /* Continue calling this function */ } /** * @brief Initialize the handlers for this server device */ static void bacnet_server_init(void) { Device_Init(NULL); /* we need to handle who-is to support dynamic device binding */ apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_IS, handler_who_is); /* we need to handle who-has to support dynamic object binding */ apdu_set_unconfirmed_handler(SERVICE_UNCONFIRMED_WHO_HAS, handler_who_has); /* set the handler for all the services we don't implement */ /* It is required to send the proper reject message... */ apdu_set_unrecognized_service_handler_handler(handler_unrecognized_service); /* Set the handlers for any confirmed services that we support. */ /* We must implement read property - it's required! */ apdu_set_confirmed_handler( SERVICE_CONFIRMED_READ_PROPERTY, handler_read_property); apdu_set_confirmed_handler( SERVICE_CONFIRMED_READ_PROP_MULTIPLE, handler_read_property_multiple); /* handle communication so we can shutup when asked */ apdu_set_confirmed_handler( SERVICE_CONFIRMED_DEVICE_COMMUNICATION_CONTROL, handler_device_communication_control); mstimer_set(&BACnet_Task_Timer, 1000); mstimer_set(&BACnet_TSM_Timer, 50); /* Start BACnet background processing */ bacnet_timeout_id = g_timeout_add(10, bacnet_task_timeout, NULL); bacnet_initialized = true; printf("BACnet Stack initialized\n"); } /* Cleanup BACnet stack */ static void bacnet_cleanup(void) { if (bacnet_timeout_id > 0) { g_source_remove(bacnet_timeout_id); bacnet_timeout_id = 0; } if (bacnet_initialized) { datalink_cleanup(); bacnet_initialized = false; printf("BACnet Stack cleanup completed\n"); } bacnet_discover_cleanup(); } /* Main function */ int main(int argc, char *argv[]) { BACNET_ADDRESS dest = { 0 }; unsigned long discover_seconds = 60; /* Initialize GTK */ gtk_init(&argc, &argv); /* Initialize BACnet */ dlenv_init(); bacnet_server_init(); /* configure the discovery module */ bacnet_discover_dest_set(&dest); bacnet_discover_seconds_set(discover_seconds); bacnet_discover_init(); /* Create the main window */ create_main_window(); /* Show the window */ gtk_widget_show_all(main_window); /* Start the GTK main loop */ gtk_main(); /* Cleanup */ bacnet_cleanup(); return 0; }