module data-provider-units {

    yang-version 1.1;
    namespace "urn:opendaylight:params:xml:ns:yang:data-provider-units";
    prefix unit;

    import data-provider {
        prefix uxp;
    }

    organization
      "highstreet technologies GmbH";
    contact
      "Web:   <https://highstreet-technologies.com>
       ONAP:  <https://wiki.onap.org/display/DW/ODLUX+DB+API>";

    description
      "This module defines the unit names.
       
       Copyright 2020 highstreet technologies GmbH Intellectual Property.
       All rights reserved.
       
       Licensed under the Apache License, Version 2.0 (the 'License');
       you may not use this file except in compliance with the License.
       You may obtain a copy of the License at
       
         http://www.apache.org/licenses/LICENSE-2.0
       
       Unless required by applicable law or agreed to in writing, software
       distributed under the License is distributed on an 'AS IS' BASIS,
       WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
       See the License for the specific language governing permissions and
       limitations under the License.";

    revision 2020-04-13 {
        description
          "Initial revision";
        reference
          "ITU T-REC-G.826 2002-12";
    }

    // --- typedef
    identity performance-measurement-unit-id {
        base uxp:performance-measurement-unit-id;
        description
          "An abstract base performance measurement type which must not be 
           used as reference in data objects.";
    }

    identity celsius {
        base "performance-measurement-unit-id";
        description
          "°C: Grad Felsius";
    }

    identity dBm {
        base "performance-measurement-unit-id";
        description
          "dBm is unit of level used to indicate that a power ratio is expressed in 
           decibels (dB) with reference to one milliwatt (mW).";
    }

    identity dB {
        base "performance-measurement-unit-id";
        description
          "dB: decibels";
    }

    identity fahrenheit {
        base "performance-measurement-unit-id";
        description
          "°F: Grad Fahrenheit";
    }

    identity mW {
        base "performance-measurement-unit-id";
        description
          "mW: milliwatt";
    }

    identity kHz {
        base "performance-measurement-unit-id";
        description
          "kHz: kiloherz";
    }
}