C++ (Cpp) gatt_db_attribute_get_char_dataの例

コード例 #1

ファイル: gas.c プロジェクト: jomarmar/bluez-experimental

static void handle_characteristic(struct gatt_db_attribute *attr,
								void *user_data)
{
	struct gas *gas = user_data;
	uint16_t value_handle;
	bt_uuid_t uuid;

	if (!gatt_db_attribute_get_char_data(attr, NULL, &value_handle, NULL,
								NULL, &uuid)) {
		error("Failed to obtain characteristic data");
		return;
	}

	if (uuid_cmp(GATT_CHARAC_DEVICE_NAME, &uuid))
		handle_device_name(gas, value_handle);
	else if (uuid_cmp(GATT_CHARAC_APPEARANCE, &uuid))
		handle_appearance(gas, value_handle);
	else {
		char uuid_str[MAX_LEN_UUID_STR];

		/* TODO: Support peripheral privacy feature */

		bt_uuid_to_string(&uuid, uuid_str, sizeof(uuid_str));
		DBG("Unsupported characteristic: %s", uuid_str);
	}
}

コード例 #2

ファイル: gatt-client.c プロジェクト: GeniALE/BlueZDev

static struct characteristic *characteristic_create(
						struct gatt_db_attribute *attr,
						struct service *service)
{
	struct characteristic *chrc;
	bt_uuid_t uuid;

	chrc = new0(struct characteristic, 1);
	if (!chrc)
		return NULL;

	chrc->descs = queue_new();
	if (!chrc->descs) {
		free(chrc);
		return NULL;
	}

	chrc->notify_clients = queue_new();
	if (!chrc->notify_clients) {
		queue_destroy(chrc->descs, NULL);
		free(chrc);
		return NULL;
	}

	chrc->service = service;

	gatt_db_attribute_get_char_data(attr, &chrc->handle,
							&chrc->value_handle,
							&chrc->props, &uuid);

	chrc->attr = gatt_db_get_attribute(service->client->db,
							chrc->value_handle);
	if (!chrc->attr) {
		error("Attribute 0x%04x not found", chrc->value_handle);
		characteristic_free(chrc);
		return NULL;
	}

	bt_uuid_to_uuid128(&uuid, &chrc->uuid);

	chrc->path = g_strdup_printf("%s/char%04x", service->path,
								chrc->handle);

	if (!g_dbus_register_interface(btd_get_dbus_connection(), chrc->path,
						GATT_CHARACTERISTIC_IFACE,
						characteristic_methods, NULL,
						characteristic_properties,
						chrc, characteristic_free)) {
		error("Unable to register GATT characteristic with handle "
							"0x%04x", chrc->handle);
		characteristic_free(chrc);

		return NULL;
	}

	DBG("Exported GATT characteristic: %s", chrc->path);

	return chrc;
}

コード例 #3

ファイル: gatt-server.c プロジェクト: AwxiVYTHUIiMOol/bluez

static bool is_reliable_write_supported(const struct bt_gatt_server  *server,
							uint16_t handle)
{
	struct gatt_db_attribute *attr;
	uint16_t ext_prop;

	attr = gatt_db_get_attribute(server->db, handle);
	if (!attr)
		return false;

	if (!gatt_db_attribute_get_char_data(attr, NULL, NULL, NULL, &ext_prop,
									NULL))
		return false;

	return (ext_prop & BT_GATT_CHRC_EXT_PROP_RELIABLE_WRITE);
}

コード例 #4

ファイル: btgatt-server.c プロジェクト: AlanApter/steamlink-sdk

static void print_chrc(struct gatt_db_attribute *attr, void *user_data)
{
	uint16_t handle, value_handle;
	uint8_t properties;
	bt_uuid_t uuid;

	if (!gatt_db_attribute_get_char_data(attr, &handle,
								&value_handle,
								&properties,
								&uuid))
		return;

	printf("\t  " COLOR_YELLOW "charac" COLOR_OFF
					" - start: 0x%04x, value: 0x%04x, "
					"props: 0x%02x, uuid: ",
					handle, value_handle, properties);
	print_uuid(&uuid);

	gatt_db_service_foreach_desc(attr, print_desc, NULL);
}

コード例 #5

ファイル: deviceinfo.c プロジェクト: ghent360/bluez

static void handle_characteristic(struct gatt_db_attribute *attr,
								void *user_data)
{
	struct btd_device *device = user_data;
	uint16_t value_handle;
	bt_uuid_t uuid, pnpid_uuid;

	bt_string_to_uuid(&pnpid_uuid, PNPID_UUID);

	if (!gatt_db_attribute_get_char_data(attr, NULL, &value_handle, NULL,
								NULL, &uuid)) {
		error("Failed to obtain characteristic data");
		return;
	}

	if (bt_uuid_cmp(&pnpid_uuid, &uuid) == 0)
		handle_pnpid(device, value_handle);
	else {
		char uuid_str[MAX_LEN_UUID_STR];

		bt_uuid_to_string(&uuid, uuid_str, sizeof(uuid_str));
		DBG("Unsupported characteristic: %s", uuid_str);
	}
}