12 lines (11 with data), 266 Bytes

//
// !!! THIS IS AN AUTOMATICALLY GENERATED FILE. DO NOT MODIFY IT !!! 
//
{% for name, obj in data.parameters.items() %}
{%- if obj.type != "#path" %}
// {{obj.descr}}
#ifndef {{name}}
#define {{name}} {{obj.default}}
#endif
{% endif -%}
{%- endfor -%}