{ "type":"object", "required":true, "properties":{ "output": { "type": "string", "title":"SPI path", "enum" : ["/dev/spidev0.0","/dev/spidev0.1"], "propertyOrder" : 1 }, "rate": { "type": "integer", "title":"Baudrate", "default": 2666666, "propertyOrder" : 2 }, "invert": { "type": "boolean", "format": "checkbox", "title":"Invert signal", "default": false, "propertyOrder" : 3 } }, "additionalProperties": true }