Adding NETMFx projects.

.gitignore

@@ -1,6 +1,6 @@
-# Build Folders (you can keep bin if you'd like, to store dlls and pdbs)
-bin
-obj
-
-# mstest test results
+# Build Folders (you can keep bin if you'd like, to store dlls and pdbs)
+bin
+obj
+
+# mstest test results
 TestResults

NETMFx.Button/Button.cs

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+using System;
+using Microsoft.SPOT;
+using Microsoft.SPOT.Hardware;
+
+namespace NETMFx.Button
+{
+    public delegate void ButtonPressedEventHandler(object sender, EventArgs e);
+
+    public class Button
+    {
+        private readonly InterruptPort _button;
+
+        /// <summary>
+        /// Debounce (glitch) filter time period in Ticks.
+        /// </summary>
+        public int DebouncePeriod = 200;
+
+        public Button(InterruptPort buttonPort)
+        {
+            _button = buttonPort;
+            _button.OnInterrupt += OnButtonPressed;
+        }
+
+        private DateTime _lastButtonPress = DateTime.Now;
+        private void OnButtonPressed(uint data1, uint data2, DateTime time)
+        {
+            if ((time - _lastButtonPress).Milliseconds <= DebouncePeriod) return;
+            _lastButtonPress = DateTime.Now;
+            OnButtonPressed(EventArgs.Empty);
+        }
+
+        public event ButtonPressedEventHandler ButtonPressed;
+        protected virtual void OnButtonPressed(EventArgs e)
+        {
+            if (ButtonPressed != null)
+                ButtonPressed(this, e);
+        }
+
+    }
+
+}

NETMFx.Button/NETMFx.Button.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <AssemblyName>NETMFx.Button</AssemblyName>
+    <OutputType>Library</OutputType>
+    <RootNamespace>NETMFx.Button</RootNamespace>
+    <ProjectTypeGuids>{b69e3092-b931-443c-abe7-7e7b65f2a37f};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{1C420FEF-BE02-46AE-8EA9-9419A911B9E0}</ProjectGuid>
+    <TargetFrameworkVersion>v4.1</TargetFrameworkVersion>
+    <NetMfTargetsBaseDir Condition="'$(NetMfTargetsBaseDir)'==''">$(MSBuildExtensionsPath32)\Microsoft\.NET Micro Framework\</NetMfTargetsBaseDir>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <Import Project="$(NetMfTargetsBaseDir)$(TargetFrameworkVersion)\CSharp.Targets" />
+  <ItemGroup>
+    <Compile Include="Button.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.SPOT.Hardware" />
+    <Reference Include="Microsoft.SPOT.Native">
+    </Reference>
+  </ItemGroup>
+</Project>

NETMFx.Button/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("NETMFx.Button")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("NETMFx.Button")]
+[assembly: AssemblyCopyright("Copyright ©  2012")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

NETMFx.Collections/NETMFx.Collections.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <AssemblyName>NETMFx.Collections</AssemblyName>
+    <OutputType>Library</OutputType>
+    <RootNamespace>NETMFx.Collections</RootNamespace>
+    <ProjectTypeGuids>{b69e3092-b931-443c-abe7-7e7b65f2a37f};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{AEB5AC51-BD1A-48F0-B600-A7EB838F1392}</ProjectGuid>
+    <TargetFrameworkVersion>v4.1</TargetFrameworkVersion>
+    <NetMfTargetsBaseDir Condition="'$(NetMfTargetsBaseDir)'==''">$(MSBuildExtensionsPath32)\Microsoft\.NET Micro Framework\</NetMfTargetsBaseDir>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <Import Project="$(NetMfTargetsBaseDir)$(TargetFrameworkVersion)\CSharp.Targets" />
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs" />
+    <Compile Include="StringFifoQueue.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Reference Include="Microsoft.SPOT.Native">
+    </Reference>
+  </ItemGroup>
+</Project>

NETMFx.Collections/Properties/AssemblyInfo.cs

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+using System.Reflection;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+// General Information about an assembly is controlled through the following 
+// set of attributes. Change these attribute values to modify the information
+// associated with an assembly.
+[assembly: AssemblyTitle("NETMFx.Collections")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("Microsoft")]
+[assembly: AssemblyProduct("NETMFx.Collections")]
+[assembly: AssemblyCopyright("Copyright © Microsoft 2011")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version 
+//      Build Number
+//      Revision
+//
+[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.0.0")]

NETMFx.Collections/StringFifoQueue.cs

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+using System.Collections;
+
+namespace NETMFx.Collections
+{
+    public class StringFifoQueue
+    {
+        protected ArrayList Queue;
+        public StringFifoQueue()
+        {
+            Queue = new ArrayList();
+        }
+
+        public int Count
+        {
+            get { return Queue.Count; }
+        }
+
+        public void Add(string data)
+        {
+            Queue.Add(data);
+        }
+
+        public string GetNext()
+        {
+            // TODO:  Lock thread.
+            var data = PeekNext();
+            if (data == null) return null;
+            Queue.RemoveAt(0);
+            return data;
+        }
+
+        public string PeekNext()
+        {
+            return Queue.Count > 0 ? Queue[0].ToString() : null;
+        }
+    }
+}

NETMFx.GroveHeartRateSensor/CircularDateQueue.cs

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+using System;
+
+namespace NETMFx.GroveHeartRateSensor
+{
+    internal class CircularDateQueue
+    {
+        private DateTime[] _queue;
+
+        /// <summary>
+        /// Constructor
+        /// </summary>
+        /// <param name="size">The max number of items that the queue will contain.</param>
+        public CircularDateQueue(int size)
+        {
+            Size = size;
+        }
+
+        /// <summary>
+        /// The max number of items that the queue will contain.
+        /// </summary>
+        public int Size
+        {
+            get { return _size; }
+            set 
+            {
+                _size = value;
+                Clear();
+            }
+        }
+        private int _size;
+
+        /// <summary>
+        /// Clears the queue.
+        /// </summary>
+        public void Clear()
+        {
+            _queue = new DateTime[Size];
+            Top = 0;
+            Bottom = 0;
+            Count = 0;
+        }
+
+        /// <summary>
+        /// Index of the top (newest) item.
+        /// </summary>
+        public int Top
+        {
+            get { return _top; }
+            set { _top = value; }
+        }
+        private int _top;
+
+        /// <summary>
+        /// Index of the bottom (oldest) item.
+        /// </summary>
+        public int Bottom
+        {
+            get { return _bottom; }
+            set { _bottom = value; }
+        }
+        private int _bottom;
+
+        /// <summary>
+        /// Count of items currently in the queue.
+        /// </summary>
+        public int Count
+        {
+            get { return _count; }
+            private set { _count = value; }
+        }
+        private int _count;
+
+        /// <summary>
+        /// Index of the queue position where the next item will go.
+        /// </summary>
+        private int Next(int index)
+        {
+            if (Count == 0) return 0;
+            if (index < Size-1) return index + 1;
+            return 0;
+        }
+
+        /// <summary>
+        /// Add an item to the queue.
+        /// </summary>
+        /// <param name="time">The DateTime item to add.</param>
+        public void Add(DateTime item)
+        {
+            // Add the item to the top of the queue (overwriting the oldest item if the queue is full).
+            var nextNdx = Next(Top);
+            _queue[nextNdx] = item;
+            Top = nextNdx;
+
+            // Reset the bottom pointer.
+            Bottom = Count < Size-1 ? 0 : Next(Bottom);
+
+            if(Count < Size-1) Count++;
+        }
+
+        /// <summary>
+        /// Returns the value of the specified item.
+        /// </summary>
+        /// <param name="index">The index of the item to retrieve.</param>
+        /// <returns>DateTime object.</returns>
+        public DateTime Peek(int index)
+        {
+            return _queue[index];
+        }
+
+        /// <summary>
+        /// The total timespan as measured as the difference between the top item and the bottom items of the queue.
+        /// </summary>
+        public TimeSpan TimeSpan
+        {
+            get 
+            { 
+                var start = Peek(Bottom);
+                var end = Peek(Top);
+                return end.Subtract(start);
+            }
+        }
+    }
+}