// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// 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.

syntax = "proto3";

import "github.com/gogo/protobuf/gogoproto/gogo.proto";
import "google/protobuf/duration.proto";
import "lorawan-stack/api/gateway.proto";

package ttn.lorawan.v3;

option go_package = "go.thethings.network/lorawan-stack/v3/pkg/ttnpb";

// TODO: Migrate away from GoGo Protobuf (https://github.com/TheThingsNetwork/lorawan-stack/issues/2798).
option (gogoproto.goproto_registration) = true;

message ConcentratorConfig {
  message Channel {
    // Frequency (Hz).
    uint64 frequency = 1;
    uint32 radio = 2;
  }
  repeated Channel channels = 1;

  message LoRaStandardChannel {
    // Frequency (Hz).
    uint64 frequency = 1;
    uint32 radio = 2;
    // Bandwidth (Hz).
    uint32 bandwidth = 3;
    uint32 spreading_factor = 4;
  }
  LoRaStandardChannel lora_standard_channel = 2;
  message FSKChannel {
    // Frequency (Hz).
    uint64 frequency = 1;
    uint32 radio = 2;
  }
  FSKChannel fsk_channel = 3;

  message LBTConfiguration {
    // Received signal strength (dBm).
    float rssi_target = 1;
    // Received signal strength offset (dBm).
    float rssi_offset = 2;
    google.protobuf.Duration scan_time = 3;
  }
  LBTConfiguration lbt = 4;

  Channel ping_slot = 5;

  repeated GatewayRadio radios = 6;
  uint32 clock_source = 7;
}
