DotCloud/Assets/Ros2ForUnity/Scripts/Time/ROS2TimeSource.cs

55 lines
1.4 KiB
C#

// Copyright 2022 Robotec.ai.
//
// 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.
using UnityEngine;
namespace ROS2
{
/// <summary>
/// ros2 time source (system time by default).
/// </summary>
public class ROS2TimeSource : ITimeSource
{
private ROS2.Clock clock;
public void GetTime(out int seconds, out uint nanoseconds)
{
if (!ROS2.Ros2cs.Ok())
{
seconds = 0;
nanoseconds = 0;
Debug.LogWarning("Cannot acquire valid ros time, ros either not initialized or shut down already");
return;
}
if (clock == null)
{ // Create clock which uses system time by default (unless use_sim_time is set in ros2)
clock = new ROS2.Clock();
}
TimeUtils.TimeFromTotalSeconds(clock.Now.Seconds, out seconds, out nanoseconds);
}
~ROS2TimeSource()
{
if (clock != null)
{
clock.Dispose();
}
}
}
} // namespace ROS2