{
  "description":"read x-y axis value of joystick",
  "spec": {
    "id": "__HOPE__/demo/makeblock/joystick/read",
    "in": {
      "ports": [{
        "name": "trigger"
        }]
    },
    "out": {
      "ports": [{
          "name": "x",
          "type": "number"
        }, {
          "name": "y",
          "type": "number"
        }]
    },
    "config": [
      {
        "name": "pin",
        "type": "int",
        "required": true
      }
    ]

  }
}