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Main Web>MyTopics>OpcUaLtdbPeripheralServer>DesignXMLGuide (2018-11-29, EtienneMarieFortin) (raw view)

---+Description of what have been used for the peripheric server

First at all create a class as a children of root

---+++class
| *attribute* | *use* |
| *name* |  to define the name of the class  |

| *children* | *use* |
| *cachevariable* |  define a variable/register for this class(one of these for each method) it will be accessible for client of the peripheralServer  |
| *configentry* |  define a configuration option (will be defined in config.xml)  |
| *devicelogic* |  define if the class as an internal logic (needed if there is a method) |
| *hasobject* |  define which class this class contain  |
| *method* |  define that the class have a method (one of these for each methode)  |

---+++cachevariable
| *attribute* | *use* |
|*initializeWith*|  Always with _valueAndStatus_  |
|*dataType*|  the type of the data  |
|*name*|  the name of the variable  |
|*nullPolicy*|  always _nullForbidden_  |
|*addressSpaceWrite*|>>  _delegated_ will create a function when this variable is written by client 

 _regular_ in other cases  <<|
|*initialStatus*|  Initial State for opcUa clients  |
|*initialValue*|  the initial value of the variable  |
---+++configentry
| *attribute* | *use* |
| *dataType* |  The types of the data  |
| *name* |  The name of the configuration paramater  |
| *storedInDeviceObject* |  _true_ if it will be called by the device logic  |

---+++hasobject
| *attribute* | *use* |
| *instantiateUsing* |  Always _configuration_  |
| *class* |  Name of the sub-class  |

---+++method
| *attribute* | *use* |
| *name* |  name of the method  |
| *executionSynchronicity* |  _synchronous_ see the 62541 commentary  |

| *children* | *use* |
| *argument* |  Argument of the method |
| *returnValue* |  The value returned by the method |

---+++argument
| *dataType* |  The types of the data  |
| *name* |  The name of the argument  |
---+++returnValue
| *dataType* |  The types of the data  |
| *name* |  The name of the Value returned  |
-- Main.etfortin - 2018-11-29

Topic revision: r1 - 2018-11-29 - EtienneMarieFortin

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