initial buildroot for linux 5.15

package/open62541/Config.in

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+config BR2_PACKAGE_OPEN62541
+	bool "open62541"
+	help
+	  open62541 is an open source and free implementation of OPC UA.
+
+	  http://open62541.org
+
+if BR2_PACKAGE_OPEN62541
+
+choice
+	prompt "namespace zero nodes"
+	help
+	  Namespace zero contains the standard-defined nodes. The full
+	  namespace zero may not be required for all applications.
+
+config BR2_PACKAGE_OPEN62541_UA_NAMESPACE_ZERO_DEFAULT
+	bool "default"
+	help
+	  Use the default namespace zero contents.
+
+config BR2_PACKAGE_OPEN62541_UA_NAMESPACE_ZERO_MINIMAL
+	bool "minimal"
+	help
+	  A barebones namespace zero that is compatible with most
+	  clients.  But this namespace 0 is so small that it does not
+	  pass the CTT (Conformance Testing Tools of the OPC
+	  Foundation).
+
+config BR2_PACKAGE_OPEN62541_UA_NAMESPACE_ZERO_REDUCED
+	bool "reduced"
+	help
+	  Small namespace zero that passes the CTT.
+
+config BR2_PACKAGE_OPEN62541_UA_NAMESPACE_ZERO_FULL
+	bool "full"
+	help
+	  Full namespace zero generated from the official XML
+	  definitions.
+
+endchoice
+
+config BR2_PACKAGE_OPEN62541_JSON_ENCODING
+	bool "json encoding"
+
+config BR2_PACKAGE_OPEN62541_PUBSUB
+	bool "publish/subscribe"
+	help
+	  Enable the experimental OPC UA PubSub support. The option
+	  will include the PubSub UDP multicast plugin.
+
+if BR2_PACKAGE_OPEN62541_PUBSUB
+
+config BR2_PACKAGE_OPEN62541_PUBSUB_DELTAFRAMES
+	bool "publish/subscribe deltaframes"
+	help
+	  The PubSub messages differentiate between keyframe (all
+	  published values contained) and deltaframe (only changed
+	  values contained) messages. Deltaframe messages creation
+	  consumes some additional ressources.
+
+config BR2_PACKAGE_OPEN62541_PUBSUB_INFORMATIONMODEL
+	bool "publish/subscribe information model"
+	depends on BR2_PACKAGE_OPEN62541_UA_NAMESPACE_ZERO_REDUCED || \
+		BR2_PACKAGE_OPEN62541_UA_NAMESPACE_ZERO_FULL
+	help
+	  Enable the information model representation of the PubSub
+	  configuration.
+
+endif # BR2_PACKAGE_OPEN62541_PUBSUB
+
+endif