{
  "title": "shutter.position",
  "description": "Shutter with a position managment",
  "lang": "en",
  "documentation": "http://recherche.imt-atlantique.fr/xaal/documentation/",
  "ref": "http://recherche.imt-atlantique.fr/xaal/documentation/shutter.position",
  "license": "Copyright Christophe Lohr IMT Atlantique 2019 - Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.",
  "extends": "shutter.basic",
  "attributes": { "position":"position_t" },
  "methods": {
    "get_attributes": {
      "description": "Return attributes of the device",
      "in": { "attributes":"attributes_t" },
      "out": { "action":"action_t", "position":"position_t" }
    },
    "set_position": {
      "description": "Change the position of the shutter",
      "in": { "position":"position_t" },
      "related_attributes": [ "action", "position" ]
    }
  },
  "notifications": {
    "attributes_change": {
      "description": "Report attributes that have changed",
      "out": { "action":"action_t", "position":"position_t" }
    }
  },
  "datamodel": {
    "position_t": {
      "description": "Level of aperture of the shutter",
      "unit": "%",
      "type": "data = (0..100) / (0.0..100.0)"
    },
    "attributes_t": {
      "description": "List of wanted attributes",
      "type": "data = [ ? \"action\", ? \"position\" ]"
    }
  }
}