module Cisco-IOS-XE-gnss-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-gnss-oper";

    prefix gnss-ios-xe-oper;

    import cisco-semver {
      prefix cisco-semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
     for IOS-XE GNSS (Global Navigation Satellite System)
     operational data.
     Copyright (c) 2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-03-01" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "1.0.0";

    typedef gnss-module-status {
      type enumeration {
        enum "gnss-module-status-unknown" {
          value 0;
          description
            "Module presence status unknown";
        }
        enum "gnss-module-status-absent" {
          value 1;
          description
            "Module presence status absent";
        }
        enum "gnss-module-status-present" {
          value 2;
          description
            "Module presence status present";
        }
        enum "gnss-module-status-invalid" {
          value 3;
          description
            "Module presence status invalid";
        }
      }
      description
        "GNSS (Global Navigation Satellite System) module presence status";
    }

    typedef gnss-module-lock-status {
      type enumeration {
        enum
          "gnss-module-lock-status-unknown" {
          value 0;
          description
            "Module lock status unknown";
        }
        enum "gnss-module-lock-status-down" {
          value 1;
          description
            "Module lock status down";
        }
        enum "gnss-module-lock-status-up" {
          value 2;
          description
            "Module lock status up";
        }
        enum
          "gnss-module-lock-status-invalid" {
          value 3;
          description
            "Module lock status invalid";
        }
      }
      description
        "GNSS (Global Navigation Satellite System) module lock status";
    }

    typedef gnss-sv-type {
      type enumeration {
        enum "gnss-sv-type-gps" {
          value 0;
          description "Satellite type 0";
        }
        enum "gnss-sv-type-sbas" {
          value 1;
          description "Satellite type 1";
        }
        enum "gnss-sv-type-galileo" {
          value 2;
          description "Satellite type 2";
        }
        enum "gnss-sv-type-beidou" {
          value 3;
          description "Satellite type 3";
        }
        enum "gnss-sv-type-imes" {
          value 4;
          description "Satellite type 4";
        }
        enum "gnss-sv-type-qzss" {
          value 5;
          description "Satellite type 5";
        }
        enum "gnss-sv-type-glonass" {
          value 6;
          description "Satellite type 6";
        }
      }
      description
        "GNSS (Global Navigation Satellite System) satellite types";
    }

    typedef gnss-module-sv-tracking-status {
      type enumeration {
        enum "satellite-tracking-status-bad" {
          value 0;
          description
            "Satellite tracking status bad";
        }
        enum
          "satellite-tracking-status-good" {
          value 1;
          description
            "Satellite tracking status good";
        }
      }
      description
        "GNSS (Global Navigation Satellite System) module satellite
       tracking status. If tracking minimum 3 satellites with more
       than 30 decibel milliwatts then good, if not bad";
    }

    typedef gnss-module-alarm-status {
      type enumeration {
        enum "alarm-disable" {
          value 0;
          description "Alarm disable";
        }
        enum "alarm-enable" {
          value 1;
          description "Alarm enable";
        }
      }
      description
        "GNSS (Global Navigation Satellite System) module alarm status";
    }

    typedef rsp-slot-state {
      type enumeration {
        enum "active-rsp" {
          value 0;
          description
            "Active RSP (Route Switch Processor)";
        }
        enum "standby-rsp" {
          value 1;
          description
            "Standby RSP (Route Switch Processor)";
        }
      }
      description "Slot state";
    }

    typedef satellite-acq-flag-type {
      type enumeration {
        enum "never-acquired" {
          value 0;
          description "Never acquired";
        }
        enum "acquired" {
          value 1;
          description "Acquired";
        }
        enum "reopened-search" {
          value 2;
          description "Reopened search";
        }
      }
      description
        "GNSS (Global Navigation Satellite System) satellite acquisition flag types";
    }

    grouping gnss-satellite-info {
      description
        "Satellite information data";
      leaf sv-prn {
        type int32;
        description "Satellite number";
      }

      leaf channel {
        type uint8;
        description "Channel number";
      }

      leaf acq-flag {
        type satellite-acq-flag-type;
        description "Acquisition flag";
      }

      leaf eph-flag {
        type uint8;
        description "Ephemeris flag";
      }

      leaf signal-level {
        type int64;
        description
          "Signal strength SNR in decibel Hertz ";
      }

      leaf sv-type {
        type gnss-sv-type;
        description "Satellite type";
      }

      leaf elevation {
        type int64;
        description
          "Satellite elevation angle";
      }

      leaf azimuth {
        type int64;
        description
          "Satellite azimuth angle";
      }
    }  // grouping gnss-satellite-info

    grouping gnss-data {
      description
        "GNSS (Global Navigation Satellite System) data";
      leaf slot {
        type uint16;
        description
          "Router slot number where
         GNSS (Global Navigation Satellite System) module is inserted";
      }

      leaf slot-state {
        type rsp-slot-state;
        description
          "Router slot state (active or standby) where
         GNSS (Global Navigation Satellite System) module is inserted";
      }

      leaf presence-status {
        type gnss-module-status;
        description
          "GNSS (Global Navigation Satellite System)
         card presence status";
      }

      leaf lock-status {
        type gnss-module-lock-status;
        description
          "GNSS (Global Navigation Satellite System)
         card lock status";
      }

      leaf survey-progress-status {
        type uint8;
        description
          "GNSS (Global Navigation Satellite System)
         card survey progress status";
      }

      leaf satellite-tracking-status {
        type gnss-module-sv-tracking-status;
        description
          "GNSS (Global Navigation Satellite System)
         satellite tracking status";
      }

      leaf gnss-antenna-open-alarm-status {
        type gnss-module-alarm-status;
        description
          "GNSS (Global Navigation Satellite System)
         module antenna open alarm status";
      }

      leaf gnss-antenna-short-alarm-status {
        type gnss-module-alarm-status;
        description
          "GNSS (Global Navigation Satellite System)
         module antenna short alarm status";
      }

      leaf satellite-cnt {
        type uint8;
        description
          "Number of satellites visible at a particular time";
      }

      list satellite-info {
        max-elements 32;
        description "Satellite info data";
        uses gnss-ios-xe-oper:gnss-satellite-info;
      }  // list satellite-info
    }  // grouping gnss-data

    container gnss-oper-data {
      config false;
      description
        "GNSS (Global Navigation Satellite System) operational data";
      list gnss-data {
        key "slot";
        description
          "GNSS (Global Navigation Satellite System) data";
        uses gnss-ios-xe-oper:gnss-data;
      }  // list gnss-data
    }  // container gnss-oper-data
  }  // module Cisco-IOS-XE-gnss-oper