RaspberryIO_26/Unosquare.WiringPi/SystemInfo.cs

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2019-12-04 18:57:18 +01:00
namespace Unosquare.WiringPi
{
using Native;
using RaspberryIO.Abstractions;
using System;
/// <summary>
/// Represents the WiringPi system info.
/// </summary>
/// <seealso cref="ISystemInfo" />
public class SystemInfo : ISystemInfo
{
private static readonly object Lock = new object();
private static bool _revGetted;
private static BoardRevision _boardRevision = BoardRevision.Rev2;
/// <inheritdoc />
public BoardRevision BoardRevision => GetBoardRevision();
/// <inheritdoc />
public Version LibraryVersion
{
get
{
var libParts = WiringPi.WiringPiLibrary.Split('.');
var major = int.Parse(libParts[libParts.Length - 2]);
var minor = int.Parse(libParts[libParts.Length - 1]);
return new Version(major, minor);
}
}
internal static BoardRevision GetBoardRevision()
{
lock (Lock)
{
if (_revGetted) return _boardRevision;
var val = WiringPi.PiBoardRev();
_boardRevision = val == 1 ? BoardRevision.Rev1 : BoardRevision.Rev2;
_revGetted = true;
}
return _boardRevision;
}
}
}