Moving all of our projects to use Project-to-Project references instead of...

Moving all of our projects to use Project-to-Project references instead of package references. (#622)

* Move from PackageReference to P2P for S.D.G

* Remove auto-dependencies and fix all remainig P2Ps

Directory.Build.props

@@ -6,6 +6,7 @@
   <PropertyGroup>
     <Copyright>$(CopyrightNetFoundation)</Copyright>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
+    <MainLibraryPath>$(MSBuildThisFileDirectory)src/System.Device.Gpio/</MainLibraryPath>
   </PropertyGroup>
 
   <PropertyGroup>

eng/Version.Details.xml

 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
-  <ProductDependencies>
-    <Dependency Name="System.Device.Gpio" Version="0.1.0-prerelease.19372.3">
-      <Uri>https://github.com/dotnet/iot</Uri>
-      <Sha>d32ad7a6af6edc0a33820a7fd51135c6d9a80738</Sha>
-    </Dependency>
-    <Dependency Name="Iot.Device.Bindings" Version="0.1.0-prerelease.19372.3">
-      <Uri>https://github.com/dotnet/iot</Uri>
-      <Sha>d32ad7a6af6edc0a33820a7fd51135c6d9a80738</Sha>
-    </Dependency>
-  </ProductDependencies>
   <ToolsetDependencies>
     <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="1.0.0-beta.19372.10">
       <Uri>https://github.com/dotnet/arcade</Uri>

eng/Versions.props

@@ -2,10 +2,6 @@
 <Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <PreReleaseVersionLabel>prerelease</PreReleaseVersionLabel>
-    <!-- dotnet/iot dependencies -->
-    <SystemDeviceGpioPackageVersion>0.1.0-prerelease.19372.3</SystemDeviceGpioPackageVersion>
-    <IotDeviceBindingsPackageVersion>0.1.0-prerelease.19372.3</IotDeviceBindingsPackageVersion>
-    <!-- dotnet/arcade dependencies -->
     <MicrosoftDotNetGenAPIPackageVersion>1.0.0-beta.19372.10</MicrosoftDotNetGenAPIPackageVersion>
   </PropertyGroup>
   <!-- Restore sources -->

samples/Directory.Build.props

@@ -6,5 +6,7 @@
     <NoWarn>$(NoWarn);CS8321</NoWarn>
     <DeterministicSourcePaths>false</DeterministicSourcePaths>
     <IsPackable>false</IsPackable>
+    <MainLibraryPath>$(MSBuildThisFileDirectory)../src/System.Device.Gpio/</MainLibraryPath>
+    <IotBindingsLibraryPath>$(MSBuildThisFileDirectory)../src/Iot.Device.Bindings/</IotBindingsLibraryPath>
   </PropertyGroup>
 </Project>

samples/force-sensitive-resistor/FsrWithAdcSample.cs

@@ -4,6 +4,7 @@
 
 using System;
 using Iot.Device.Mcp3008;
+using Iot.Device.Spi;
 
 namespace force_sensitive_resistor
 {
@@ -16,9 +17,8 @@ namespace force_sensitive_resistor
         public FsrWithAdcSample()
         {
             // Create a ADC convertor instance you are using depending how you wired ADC pins to controller
-            // in this example used ADC Mcp3008 with "bit-banging" wiring method.
-            // please refer https://github.com/dotnet/iot/tree/master/src/devices/Mcp3008/samples for more information
-            _adcConvertor = new Mcp3008(18, 23, 24, 25);
+            // in this example used ADC Mcp3008 with software spi method. If you want to do hardware spi, then call SoftwareSpi.Create()
+            _adcConvertor = new Mcp3008(new SoftwareSpi(18, 23, 24, 25));
         }
 
         public double CalculateVoltage(int readValue)

samples/force-sensitive-resistor/force-sensitive-resistor.csproj

-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,7 +7,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Iot.Device.Bindings" Version="$(IotDeviceBindingsPackageVersion)" />
+    <ProjectReference Include="$(IotBindingsLibraryPath)Iot.Device.Bindings.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

samples/led-blink/led-blink.csproj

@@ -7,7 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

samples/led-more-blinking-lights/led-more-blinking-lights.csproj

-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <OutputType>Exe</OutputType>
@@ -7,7 +7,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Iot.Device.Bindings" Version="$(IotDeviceBindingsPackageVersion)" />
+    <ProjectReference Include="$(IotBindingsLibraryPath)Iot.Device.Bindings.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/Iot.Device.Bindings/Iot.Device.Bindings.csproj

@@ -22,7 +22,7 @@
 
   <ItemGroup>
     <PackageReference Include="System.Drawing.Common" Version="4.6.0-preview4.19164.7" />
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>

src/System.Device.Gpio.Tests/System.Device.Gpio.Tests.csproj

@@ -7,7 +7,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties Condition="'$(RuntimeIdentifier)' != ''">RuntimeIdentifier=$(RuntimeIdentifier.SubString(0, $(RuntimeIdentifier.IndexOf('-'))))</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>

src/devices/Ads1115/Ads1115.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="I2cAddress.cs" />
     <Compile Include="ComparatorLatching.cs" />
     <Compile Include="ComparatorMode.cs" />

src/devices/Ads1115/samples/Ads1115.Samples.csproj

@@ -14,6 +14,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Ads1115.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Adxl345/Adxl345.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="GravityRange.cs" />
     <Compile Include="Register.cs" />
     <Compile Include="Adxl345.cs" />

src/devices/Adxl345/samples/Adxl345.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Adxl345.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Ags01db/Ags01db.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Register.cs" />
     <Compile Include="Ags01db.cs" />
   </ItemGroup>

src/devices/Ags01db/samples/Ags01db.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Ags01db.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Bh1750fvi/Bh1750fvi.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Bh1750fvi.cs" />
     <Compile Include="Command.cs" />
     <Compile Include="I2cAddress.cs" />

src/devices/Bh1750fvi/samples/Bh1750fvi.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Bh1750fvi.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Bmp180/Bmp180.csproj

@@ -10,7 +10,9 @@
     <Compile Include="CalibrationData.cs" />
     <Compile Include="Register.cs" />
     <Compile Include="Sampling.cs" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
     <None Include="README.md"/>
   </ItemGroup>

src/devices/Bmp180/samples/Bmp180.Sample.csproj

@@ -12,6 +12,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Bmp180.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Bmxx80/Bmxx80.csproj

@@ -26,7 +26,9 @@
     <Compile Include="Register\Bme280Register.cs" />
     <Compile Include="Sampling.cs" />
     <Compile Include="StandbyTime.cs" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
   </ItemGroup>
 

src/devices/Bmxx80/samples/Bme280.sample.csproj

@@ -17,6 +17,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Bmxx80.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Bmxx80/samples/Bme680.sample.csproj

@@ -17,6 +17,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Bmxx80.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Bmxx80/samples/Bmp280.sample.csproj

@@ -17,6 +17,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Bmxx80.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Bno055/Bno055.csproj

@@ -8,7 +8,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <Compile Include="Models/*.cs" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="System.Memory" Version="4.5.2" />
     <ProjectReference Include="..\Units\Units.csproj" />
   </ItemGroup>

src/devices/Bno055/samples/Bno055.sample.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/BrickPi3/BrickPi3.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <None Include="README.md" />
   </ItemGroup>
 

src/devices/Buzzer/Buzzer.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <Compile Include="Buzzer.cs" />
     <None Include="README.md" />
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>

src/devices/Buzzer/samples/Buzzer.Samples.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
   	<ProjectReference Include="$(MSBuildThisFileDirectory)../Buzzer.csproj" />
-  	<ProjectReference Include="$(MSBuildThisFileDirectory)../../../System.Device.Gpio/System.Device.Gpio.csproj">
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>

src/devices/CharacterLcd/CharacterLcd.csproj

@@ -19,7 +19,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <None Include="README.md" />
   </ItemGroup>
 

src/devices/CharacterLcd/samples/CharacterLcd.Samples.csproj

@@ -8,7 +8,9 @@
   <ItemGroup>
     <ProjectReference Include="../../Mcp23xxx/Mcp23xxx.csproj" />
     <ProjectReference Include="../../Pcx857x/Pcx857x.csproj" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\CharacterLcd.csproj" />
   </ItemGroup>
 

src/devices/DCMotor/DCMotor.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
     <ProjectReference Include="$(MSBuildThisFileDirectory)../SoftPwm/SoftwarePwm.csproj" />

src/devices/DCMotor/samples/DCMotor.sample.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../../../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
     <ProjectReference Include="$(MSBuildThisFileDirectory)../../SoftPwm\SoftwarePwm.csproj" />

src/devices/Dhtxx/Dhtxx.csproj

@@ -18,7 +18,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
     <None Include="README.md" />
   </ItemGroup>

src/devices/Dhtxx/samples/DhtSensor.sample.csproj

@@ -10,7 +10,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <None Include="README.md" />
   </ItemGroup>
 

src/devices/Directory.Build.props

@@ -5,5 +5,6 @@
     <NoWarn>$(NoWarn);CS8321</NoWarn>
     <DeterministicSourcePaths>false</DeterministicSourcePaths>
     <IsPackable>false</IsPackable>
+    <MainLibraryPath>$(MSBuildThisFileDirectory)../System.Device.Gpio/</MainLibraryPath>
   </PropertyGroup>
 </Project>

src/devices/Ds1307/Ds1307.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Ds1307.cs" />
     <Compile Include="Register.cs" />
   </ItemGroup>

src/devices/Ds1307/samples/Ds1307.Samples.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Ds1307.csproj" />
   </ItemGroup>
 </Project>

src/devices/Ds3231/Ds3231.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
     <Compile Include="Ds3231.cs" />
     <Compile Include="Register.cs" />

src/devices/Ds3231/samples/Ds3231.Samples.csproj

@@ -13,7 +13,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Ds3231.csproj" />
   </ItemGroup>
 

src/devices/GoPiGo3/GoPiGo3.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="System.Memory" Version="4.5.2" />
     <None Include="README.md" />
   </ItemGroup>

src/devices/GoPiGo3/samples/GoPiGo3.sample.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/GrovePi/GrovePiDevice.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="System.Memory" Version="4.5.2" />
     <None Include="README.md" />
   </ItemGroup>

src/devices/GrovePi/samples/GrovePiDevice.sample.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Hcsr04/Hcsr04.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Hcsr04.cs" />
     <None Include="README.md" />
   </ItemGroup>

src/devices/Hcsr04/samples/Hcsr04.Samples.csproj

@@ -7,7 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="../Hcsr04.csproj" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Hcsr501/Hcsr501.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Hcsr501.cs" />
     <Compile Include="Hcsr501ValueChangedEventArgs.cs" />
   </ItemGroup>

src/devices/Hcsr501/samples/Hcsr501.Samples.csproj

@@ -14,7 +14,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Hmc5883l/Hmc5883l.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Gain.cs" />
     <Compile Include="MeasurementConfiguration.cs" />
     <Compile Include="MeasuringMode.cs" />

src/devices/Hmc5883l/samples/Hmc5883l.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Hmc5883l.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Hts221/Hts221.csproj

@@ -8,7 +8,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
   </ItemGroup>
 

src/devices/Hts221/samples/Hts221.Samples.csproj

@@ -8,6 +8,9 @@
 
   <ItemGroup>
   	<ProjectReference Include="../Hts221.csproj" />
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Lm75/Lm75.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
     <Compile Include="Register.cs" />
     <Compile Include="Lm75.cs" />

src/devices/Lm75/samples/Lm75.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Lm75.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Lps25h/Lps25h.csproj

@@ -8,7 +8,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
   </ItemGroup>
 

src/devices/Lps25h/samples/Lps25h.Samples.csproj

@@ -8,6 +8,9 @@
 
   <ItemGroup>
   	<ProjectReference Include="../Lps25h.csproj" />
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Lsm9Ds1/Lsm9Ds1.csproj

@@ -8,7 +8,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Lsm9Ds1/samples/Lsm9Ds1.Samples.csproj

@@ -8,6 +8,9 @@
 
   <ItemGroup>
   	<ProjectReference Include="../Lsm9Ds1.csproj" />
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Max44009/Max44009.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="IntegrationTime.cs" />
     <Compile Include="Max44009.cs" />
     <Compile Include="Register.cs" />

src/devices/Max44009/samples/Max44009.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Max44009.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup> 

src/devices/Max7219/Max7219.csproj

@@ -7,7 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Max7219.cs" />
     <Compile Include="MatrixGraphics.cs" />
     <Compile Include="IFont.cs" />

src/devices/Max7219/samples/Max7219.sample.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Mcp23xxx/Mcp23xxx.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="..\Common\System\Device\Gpio\PinVector32.cs" Link="PinVector32.cs" />
     <Compile Include="BankStyle.cs" />
     <Compile Include="I2cAdapter.cs" />

src/devices/Mcp23xxx/samples/Mcp23xxx.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="$(MSBuildThisFileDirectory)\..\Mcp23xxx.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Mcp23xxx/tests/Mcp23xxx.Tests.csproj

@@ -9,7 +9,9 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Mcp25xxx/Mcp25xxx.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="InstructionFormat.cs" />
     <Compile Include="Mcp25xxx.cs" />
     <Compile Include="Mcp2515.cs" />

src/devices/Mcp25xxx/samples/Mcp25xxx.Samples.csproj

@@ -8,6 +8,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Mcp25xxx.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Mcp25xxx/tests/Mcp25xxx.Tests.csproj

@@ -14,6 +14,9 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Mcp3008/Mcp3008.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Mcp3008.cs" />
     <None Include="README.md" />
   </ItemGroup>

src/devices/Mcp3008/samples/Mcp3008.Sample.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Mcp3428/Mcp3428.csproj

@@ -9,7 +9,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Mcp3428/samples/Mcp3428.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
   	<ProjectReference Include="../Mcp3428.csproj" />
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Mpr121/Mpr121.csproj

@@ -13,7 +13,9 @@
     <Compile Include="Mpr121Configuration.cs" />
     <Compile Include="Registers.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Mpr121/samples/Mpr121.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
   	<ProjectReference Include="../Mpr121.csproj" />
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Nrf24l01/Nrf24l01.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="Command.cs" />
     <Compile Include="DataRate.cs" />
     <Compile Include="DataReceivedEventArgs.cs" />

src/devices/Nrf24l01/samples/Nrf24l01.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Nrf24l01.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup> 

src/devices/Pca95x4/Pca95x4.csproj

@@ -16,7 +16,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Pca95x4/samples/Pca95x4.Samples.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Pca9685/Pca9685.csproj

@@ -18,7 +18,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Pca9685/samples/Pca9685.Sample.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/Pcx857x/Pcx857x.csproj

@@ -7,7 +7,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <Compile Include="..\Common\System\Device\Gpio\PinVector32.cs" Link="PinVector32.cs" />
     <Compile Include="..\Common\System\Device\Gpio\PinVector64.cs" Link="PinVector64.cs" />
     <Compile Include="Pca8574.cs" />

src/devices/Pcx857x/tests/Pcx857x.Tests.csproj

@@ -9,7 +9,9 @@
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
     <PackageReference Include="xunit" Version="2.4.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.1" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup>

src/devices/RGBLedMatrix/RGBLedMatrix.csproj

@@ -8,7 +8,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="System.Drawing.Common" Version="4.6.0-preview4.19164.7" />
   </ItemGroup>
 

src/devices/SenseHat/SenseHat.csproj

@@ -8,7 +8,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Lsm9Ds1\Lsm9Ds1.csproj" />
     <ProjectReference Include="..\Hts221\Hts221.csproj" />
     <ProjectReference Include="..\Lps25h\Lps25h.csproj" />

src/devices/SenseHat/samples/SenseHat.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
   	<ProjectReference Include="../SenseHat.csproj" />
+  	<ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Servo/Servo.csproj

@@ -16,7 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
     <None Include="README.md" />

src/devices/Servo/samples/Servo.sample.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <ProjectReference Include="$(MSBuildThisFileDirectory)\..\Servo.csproj" />
-    <ProjectReference Include="$(MSBuildThisFileDirectory)\..\..\..\System.Device.Gpio\System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>

src/devices/Sht3x/Sht3x.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
     <Compile Include="I2cAddress.cs" />
     <Compile Include="Resolution.cs" />

src/devices/Sht3x/samples/Sht3x.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Sht3x.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup> 

src/devices/Si7021/Si7021.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <ProjectReference Include="..\Units\Units.csproj" />
     <Compile Include="Si7021.cs" />
     <Compile Include="Register.cs" />

src/devices/Si7021/samples/Si7021.Samples.csproj

@@ -7,6 +7,9 @@
 
   <ItemGroup>
     <ProjectReference Include="..\Si7021.csproj" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
   <ItemGroup> 

src/devices/SocketCan/SocketCan.csproj

@@ -11,7 +11,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/SoftPwm/SoftwarePwm.csproj

@@ -11,7 +11,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="$(MSBuildThisFileDirectory)../../System.Device.Gpio/System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
     <None Include="README.md" />

src/devices/SoftPwm/samples/SoftPwm.sample.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <ProjectReference Include="$(MSBuildThisFileDirectory)\..\SoftwarePwm.csproj" />
-    <ProjectReference Include="$(MSBuildThisFileDirectory)\..\..\..\System.Device.Gpio\System.Device.Gpio.csproj">
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
       <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
     </ProjectReference>
   </ItemGroup>

src/devices/SoftwareSpi/SoftwareSpi.cs

@@ -170,7 +170,7 @@ namespace Iot.Device.Spi
         }
 
         /// <inheritdoc />
-        public override void Dispose(bool disposing)
+        protected override void Dispose(bool disposing)
         {
             _controller?.Dispose();
             _controller = null;

src/devices/SoftwareSpi/SoftwareSpi.csproj

@@ -9,7 +9,9 @@
   <ItemGroup>
     <Compile Include="*.cs" />
     <None Include="README.md" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Ssd13xx/Ssd13xx.csproj

@@ -18,7 +18,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
   </ItemGroup>
 
 </Project>

src/devices/Ssd13xx/samples/Ssd13xx.Samples.csproj

@@ -6,7 +6,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="SixLabors.Fonts" Version="1.0.0-*" />
     <PackageReference Include="SixLabors.ImageSharp" Version="1.0.0-*" />
     <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-*" />

src/devices/Ssd13xx/tests/Ssd13xx.Tests.csproj

@@ -7,7 +7,9 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.9.0" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="xunit" Version="2.4.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.4.0" />
   </ItemGroup>

src/devices/Tcs3472x/Tcs3472x.csproj

@@ -7,7 +7,9 @@
 
   <ItemGroup>
     <Compile Include="*.cs" />
-    <PackageReference Include="System.Device.Gpio" Version="$(SystemDeviceGpioPackageVersion)" />
+    <ProjectReference Include="$(MainLibraryPath)System.Device.Gpio.csproj">
+      <AdditionalProperties>$(AdditionalProperties);RuntimeIdentifier=linux</AdditionalProperties>
+    </ProjectReference>
     <PackageReference Include="System.Memory" Version="4.5.2" />
   </ItemGroup>