// Copyright 2022 The Pigweed Authors
//
// 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
//
//     https://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";

package rpc_demo;

message GetVersionResponse {
  uint32 version_number = 1;
}

message ThreeAxisData {
  float x = 1;
  float y = 2;
  float z = 3;
}

message SensorInfo {
  string name = 1;
  enum Type {
    ACCEL = 0;
    GYRO = 1;
    MAG = 2;
  }
  Type type = 2;
  uint32 sample_frequency_hz = 3;
}

message GetSensorListResponse {
  repeated SensorInfo sensors = 1;
}

message UpdateSensorFrequencyRequest {
  uint32 sensor_index = 1;
  uint32 sample_frequency_hz = 2;
}

message UpdateSensorFrequencyResponse {
  uint32 sample_frequency_hz = 1;
}

message GetSensorSamplesRequest {
  uint32 sensor_index = 1;
}

message GetSensorSamplesResponse {
  repeated ThreeAxisData data = 1;
}

message Empty {}

enum RpcClientChannelId {
  UNASSIGNED = 0;
  DEFAULT = 1;
}

service DemoService {
  rpc GetVersion(Empty) returns (GetVersionResponse) {}
  rpc GetSensorList(Empty) returns (GetSensorListResponse) {}
  rpc UpdateSensorFrequency(UpdateSensorFrequencyRequest)
      returns (UpdateSensorFrequencyResponse) {}
  rpc GetSensorSamples(GetSensorSamplesRequest)
      returns (GetSensorSamplesResponse) {}
}