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Eric Bézine
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Introducing Raspberry# System
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‎.gitattributes‎

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# Auto detect text files and perform LF normalization
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* text=auto
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# Custom for Visual Studio
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*.cs diff=csharp
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*.sln merge=union
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*.csproj merge=union
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*.vbproj merge=union
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*.fsproj merge=union
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*.dbproj merge=union
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# Standard to msysgit
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*.doc diff=astextplain
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*.DOC diff=astextplain
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*.docx diff=astextplain
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*.DOCX diff=astextplain
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*.dot diff=astextplain
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*.DOT diff=astextplain
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*.pdf diff=astextplain
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*.PDF diff=astextplain
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*.rtf diff=astextplain
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*.RTF diff=astextplain

‎.gitignore‎

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obj
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# mstest test results
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TestResults
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TestResults
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# user files
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**.user
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**.suo

‎Icon.png‎

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‎README.md‎

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raspberry-sharp-system
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======================
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Raspberry# System
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=================
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A .NET/Mono Library for Raspberry Pi
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See the **[Raspberry\# System Wiki](raspberry-sharp-system/wiki)** for full documentation and samples.
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Introduction
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------------
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Raspberry# System is a .NET/Mono Library for Raspberry Pi. This project is an initiative of the [Raspberry#](http://www.raspberry-sharp.org) Community.
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Current release is an early public release. Some features may not have been extensively tested.
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Raspberry# System currently supports high resolution timer, as well as Raspberry Pi system board identification.
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Features
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--------
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### Raspberry.System
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Raspberry.System provides utilities for Raspberry Pi boards, while using .NET concepts, syntax and case.
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You can easily add a reference to it in your Visual Studio projects using the **[Raspberry.System Nuget](https://www.nuget.org/packages/Raspberry.System)**.
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It currently support the following features:
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+ Automatic detection of various Raspberry Pi revisions, for now **Raspberry B rev1 and rev2**
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+ High resolution (about 1µs) timers

‎Raspberry.System.nuspec‎

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<?xml version="1.0" encoding="utf-8"?>
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<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
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<metadata>
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<id>Raspberry.System</id>
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<version>0.0.0</version>
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<title>Raspberry.System</title>
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<authors>Eric Bézine</authors>
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<owners>Raspberry-Sharp</owners>
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<licenseUrl>http://opensource.org/licenses/GPL-2.0</licenseUrl>
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<projectUrl>https://github.com/raspberry-sharp/raspberry-sharp-system/wiki</projectUrl>
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<iconUrl>https://raw.github.com/raspberry-sharp/raspberry-sharp-system/master/Icon.png</iconUrl>
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<requireLicenseAcceptance>true</requireLicenseAcceptance>
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<description>
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Raspberry.System is a Mono/.NET assembly providing access to Raspberry Pi system features.
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It is an initiative of the Raspberry# Community, aimed at providing tools and information concerning use of Raspberry Pi boards with Mono/.NET framework.
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Parts of this work are based on [BCM2835 C library](http://www.open.com.au/mikem/bcm2835/).
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Visit project [Github site](https://github.com/raspberry-sharp/raspberry-sharp-system/) for documentation and samples.
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</description>
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<summary>Raspberry.System is a Mono/.NET assembly providing access to Raspberry Pi system features.</summary>
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<language>en-US</language>
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<tags>Raspberry Pi Mono System Timers</tags>
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<frameworkAssemblies>
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<frameworkAssembly assemblyName="System.Configuration" targetFramework="net40" />
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<frameworkAssembly assemblyName="System.Core" targetFramework="net40" />
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</frameworkAssemblies>
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</metadata>
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<files>
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<file src="Raspberry.System\bin\release\Raspberry.System.dll" target="lib\net40" />
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<file src="Raspberry.System\bin\release\Raspberry.System.pdb" target="lib\net40" />
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<file src="Raspberry.System\bin\release\Raspberry.System.xml" target="lib\net40" />
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<file src="Raspberry.System\bin\release\libbcm2835.so" target="lib\net40" />
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<file src="Raspberry.System\**\*.cs" target="src" />
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</files>
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</package>

‎Raspberry.System/Board.cs‎

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#region References
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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#endregion
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namespace Raspberry
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{
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/// <summary>
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/// Represents the Raspberry Pi mainboard.
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/// </summary>
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public class Board
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{
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#region Fields
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private static readonly Lazy<Board> board = new Lazy<Board>(LoadBoard);
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private readonly Dictionary<string, string> settings;
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private const string raspberryPiProcessor = "BCM2708";
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#endregion
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#region Instance Management
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private Board(Dictionary<string, string> settings)
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{
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this.settings = settings;
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}
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#endregion
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#region Properties
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/// <summary>
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/// Gets the current mainboard configuration.
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/// </summary>
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public static Board Current
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{
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get { return board.Value; }
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}
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/// <summary>
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/// Gets a value indicating whether this instance is a Raspberry Pi.
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/// </summary>
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/// <value>
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/// <c>true</c> if this instance is a Raspberry Pi; otherwise, <c>false</c>.
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/// </value>
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public bool IsRaspberryPi
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{
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get { return string.Equals(Processor, raspberryPiProcessor, StringComparison.InvariantCultureIgnoreCase); }
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}
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/// <summary>
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/// Gets the processor.
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/// </summary>
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public string Processor
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{
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get
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{
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string hardware;
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return settings.TryGetValue("Hardware", out hardware) ? hardware : null;
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}
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}
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/// <summary>
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/// Gets the board firmware version.
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/// </summary>
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public int Firmware
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{
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get
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{
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string revision;
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int firmware;
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if (settings.TryGetValue("Revision", out revision) && !string.IsNullOrEmpty(revision) && int.TryParse(revision, out firmware))
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return firmware;
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return 0;
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}
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}
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/// <summary>
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/// Gets the serial number.
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/// </summary>
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public string SerialNumber
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{
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get {
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string serial;
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if (settings.TryGetValue("Serial", out serial) && !string.IsNullOrEmpty(serial))
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return serial;
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return null;
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}
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}
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/// <summary>
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/// Gets the board revision.
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/// </summary>
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public int Revision
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{
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get
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{
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var firmware = Firmware;
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switch (firmware)
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{
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case 2:
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case 3:
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return 1;
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case 4:
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case 5:
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case 6:
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return 2;
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default:
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return 0;
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}
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}
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}
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#endregion
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#region Private Helpers
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private static Board LoadBoard()
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{
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try
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{
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const string filePath = "/proc/cpuinfo";
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var settings = File.ReadAllLines(filePath)
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.Where(l => !string.IsNullOrEmpty(l))
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.Select(l =>
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{
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var separator = l.IndexOf(':');
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if (separator < 0)
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return new KeyValuePair<string, string>(l, null);
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else
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return new KeyValuePair<string, string>(l.Substring(0, separator).Trim(), l.Substring(separator + 1).Trim());
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})
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.ToDictionary(p => p.Key, p => p.Value);
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return new Board(settings);
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}
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catch
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{
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return new Board(new Dictionary<string, string>());
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}
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}
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#endregion
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}
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}

‎Raspberry.System/Properties/AssemblyInfo.cs‎

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using System.Reflection;
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using System.Runtime.InteropServices;
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// General Information about an assembly is controlled through the following
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// set of attributes. Change these attribute values to modify the information
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// associated with an assembly.
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[assembly: AssemblyTitle("Raspberry.System")]
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[assembly: AssemblyDescription("Raspberry Pi System Mono Library")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("")]
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[assembly: AssemblyProduct("Raspberry.System")]
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[assembly: AssemblyCopyright("www.raspberry-sharp.org, 2012")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// Setting ComVisible to false makes the types in this assembly not visible
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// to COM components. If you need to access a type in this assembly from
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// COM, set the ComVisible attribute to true on that type.
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[assembly: ComVisible(false)]
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// The following GUID is for the ID of the typelib if this project is exposed to COM
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[assembly: Guid("da7e973a-7d7c-461c-aca2-e9de7809fb86")]
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// Version information for an assembly consists of the following four values:
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//
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// Major Version
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// Minor Version
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// Build Number
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// Revision
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//
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// You can specify all the values or you can default the Build and Revision Numbers
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// by using the '*' as shown below:
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// [assembly: AssemblyVersion("1.0.*")]
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[assembly: AssemblyVersion("1.0.0.0")]
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[assembly: AssemblyFileVersion("1.0.0.0")]

‎Raspberry.System/Raspberry.System.csproj‎

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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
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<ProductVersion>8.0.30703</ProductVersion>
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<SchemaVersion>2.0</SchemaVersion>
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<ProjectGuid>{2C0C9AAF-4EDD-4C79-961B-E7BC4FC4EB0C}</ProjectGuid>
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<OutputType>Library</OutputType>
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<AppDesignerFolder>Properties</AppDesignerFolder>
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<RootNamespace>Raspberry</RootNamespace>
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<AssemblyName>Raspberry.System</AssemblyName>
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<TargetFrameworkVersion>v4.0</TargetFrameworkVersion>
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<FileAlignment>512</FileAlignment>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug\</OutputPath>
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<DefineConstants>DEBUG;TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<DocumentationFile>bin\Debug\Raspberry.System.xml</DocumentationFile>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
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<DebugType>pdbonly</DebugType>
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<Optimize>true</Optimize>
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<OutputPath>bin\Release\</OutputPath>
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<DefineConstants>TRACE</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<DocumentationFile>bin\Release\Raspberry.System.xml</DocumentationFile>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Board.cs" />
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<Compile Include="Timers\Interop.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="Timers\HighResolutionTimer.cs" />
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<Compile Include="Timers\ITimer.cs" />
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<Compile Include="Timers\StandardTimer.cs" />
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<Compile Include="Timers\Timer.cs" />
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</ItemGroup>
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<ItemGroup>
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<None Include="libbcm2835.so">
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<CopyToOutputDirectory>Always</CopyToOutputDirectory>
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</None>
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</ItemGroup>
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<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
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<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
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Other similar extension points exist, see Microsoft.Common.targets.
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<Target Name="BeforeBuild">
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</Target>
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<Target Name="AfterBuild">
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</Target>
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-->
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</Project>

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