Add external mcu update reference solution

Samples/ExternalMcuUpdateNrf52/.gitignore

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+*.jlink
+*.emSession
+# Build output
+_build/

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/External NRF52 Firmware/LICENSE.txt

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+Copyright (c) 2014 - 2018, Nordic Semiconductor ASA
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form, except as embedded into a Nordic
+   Semiconductor ASA integrated circuit in a product or a software update for
+   such product, must reproduce the above copyright notice, this list of
+   conditions and the following disclaimer in the documentation and/or other
+   materials provided with the distribution.
+
+3. Neither the name of Nordic Semiconductor ASA nor the names of its
+   contributors may be used to endorse or promote products derived from this
+ software without specific prior written permission.
+
+4. This software, with or without modification, must only be used with a
+   Nordic Semiconductor ASA integrated circuit.
+
+5. Any software provided in binary form under this license must not be reverse
+ engineered, decompiled, modified and/or disassembled.
+
+THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/External NRF52 Firmware/README.md

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+These nRF52 firmware binaries are based on samples from Nordic Semiconductor ASA. 
+See the LICENSE.txt in this directory, and for more background, see the README.md in the 
+parent directory for this sample.

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 15
+VisualStudioVersion = 15.0.28010.2046
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "ExternalMcuUpdateNrf52", "ExternalMcuUpdateNrf52\ExternalMcuUpdateNrf52.vcxproj", "{DF7DD235-A2AC-4AAA-AD69-4308C3EAB5EE}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|ARM = Debug|ARM
+		Release|ARM = Release|ARM
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DF7DD235-A2AC-4AAA-AD69-4308C3EAB5EE}.Debug|ARM.ActiveCfg = Debug|ARM
+		{DF7DD235-A2AC-4AAA-AD69-4308C3EAB5EE}.Debug|ARM.Build.0 = Debug|ARM
+		{DF7DD235-A2AC-4AAA-AD69-4308C3EAB5EE}.Release|ARM.ActiveCfg = Release|ARM
+		{DF7DD235-A2AC-4AAA-AD69-4308C3EAB5EE}.Release|ARM.Build.0 = Release|ARM
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {3366B1A6-4E35-4CB4-938F-1C2AFDC2A079}
+	EndGlobalSection
+EndGlobal

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52/ExternalMcuUpdateNrf52.vcxproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|ARM">
+      <Configuration>Debug</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|ARM">
+      <Configuration>Release</Configuration>
+      <Platform>ARM</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="applibs_versions.h" />
+    <ClInclude Include="epoll_timerfd_utilities.h" />
+    <ClInclude Include="file_view.h" />
+    <ClInclude Include="mem_buf.h" />
+    <ClInclude Include="mt3620_rdb.h" />
+    <ClInclude Include="nordic\crc.h" />
+    <ClInclude Include="nordic\dfu_defs.h" />
+    <ClInclude Include="nordic\dfu_uart_protocol.h" />
+    <ClInclude Include="nordic\slip.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="epoll_timerfd_utilities.c" />
+    <ClCompile Include="file_view.c" />
+    <ClCompile Include="main.c" />
+    <ClCompile Include="mem_buf.c" />
+    <ClCompile Include="nordic\crc.c" />
+    <ClCompile Include="nordic\dfu_uart_protocol.c" />
+    <ClCompile Include="nordic\slip.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="..\External NRF52 Firmware\blinkyV1.bin">
+      <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</DeploymentContent>
+    </None>
+    <None Include="..\External NRF52 Firmware\blinkyV1.dat">
+      <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</DeploymentContent>
+    </None>
+    <None Include="..\External NRF52 Firmware\s132_nrf52_6.1.0_softdevice.bin">
+      <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</DeploymentContent>
+    </None>
+    <None Include="..\External NRF52 Firmware\s132_nrf52_6.1.0_softdevice.dat">
+      <DeploymentContent Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</DeploymentContent>
+    </None>
+    <None Include="app_manifest.json" />
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <ProjectGuid>{df7dd235-a2ac-4aaa-ad69-4308c3eab5ee}</ProjectGuid>
+    <Keyword>AzureSphere</Keyword>
+    <RootNamespace>ExternalMcuUpdateNrf52</RootNamespace>
+    <MinimumVisualStudioVersion>15.0</MinimumVisualStudioVersion>
+    <ApplicationType>Linux</ApplicationType>
+    <ApplicationTypeRevision>1.0</ApplicationTypeRevision>
+    <TargetLinuxPlatform>Generic</TargetLinuxPlatform>
+    <LinuxProjectType>{D51BCBC9-82E9-4017-911E-C93873C4EA2B}</LinuxProjectType>
+    <DebugMachineType>Device</DebugMachineType>
+    <PlatformToolset>GCC_AzureSphere_1_0</PlatformToolset>
+    <ProjectName>ExternalMcuUpdateNrf52</ProjectName>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'" Label="Configuration">
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <TargetApplicationRuntimeVersion>1+beta1</TargetApplicationRuntimeVersion>
+    <TargetSysroot>1+Beta1811</TargetSysroot>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|ARM'" Label="Configuration">
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <TargetApplicationRuntimeVersion>1+beta1</TargetApplicationRuntimeVersion>
+    <TargetSysroot>1+Beta1811</TargetSysroot>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings" />
+  <ImportGroup Label="Shared" />
+  <ImportGroup Label="PropertySheets" />
+  <PropertyGroup Label="UserMacros" />
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets" />
+  <ItemDefinitionGroup>
+    <ClCompile>
+      <AdditionalOptions>-Werror=implicit-function-declaration %(AdditionalOptions)</AdditionalOptions>
+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">true</TreatWarningAsError>
+      <TreatWarningAsError Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">true</TreatWarningAsError>
+    </ClCompile>
+    <Link>
+      <LibraryDependencies>applibs;pthread;gcc_s;c</LibraryDependencies>
+      <AdditionalOptions>-Wl,--no-undefined -nodefaultlibs %(AdditionalOptions)</AdditionalOptions>
+    </Link>
+  </ItemDefinitionGroup>
+</Project>

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52/ExternalMcuUpdateNrf52.vcxproj.filters

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="nordic">
+      <UniqueIdentifier>{251d4958-c0b9-43a2-aec3-9c1f4a3cdaae}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="nordic\Header Files">
+      <UniqueIdentifier>{e838d76d-0774-4f0f-a394-a6e7b86b70ad}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="nordic\Source Files">
+      <UniqueIdentifier>{969c1a73-ce87-4a50-92f8-a033fef401ee}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{cc3fc6d3-723e-4ed5-b183-2ec6e3dbeb0c}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{1d30addb-54e8-442e-bc6c-9f1a3452e9a3}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{d0aeb53e-3afa-4b96-8ffb-cd284e920206}</UniqueIdentifier>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="nordic\crc.h">
+      <Filter>nordic\Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="nordic\dfu_defs.h">
+      <Filter>nordic\Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="nordic\dfu_uart_protocol.h">
+      <Filter>nordic\Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="nordic\slip.h">
+      <Filter>nordic\Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="applibs_versions.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="epoll_timerfd_utilities.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="file_view.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="mem_buf.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="mt3620_rdb.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="nordic\slip.c">
+      <Filter>nordic\Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="nordic\crc.c">
+      <Filter>nordic\Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="nordic\dfu_uart_protocol.c">
+      <Filter>nordic\Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="main.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="epoll_timerfd_utilities.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="file_view.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="mem_buf.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="app_manifest.json" />
+    <None Include="..\External NRF52 Firmware\blinkyV1.bin">
+      <Filter>Resource Files</Filter>
+    </None>
+    <None Include="..\External NRF52 Firmware\blinkyV1.dat">
+      <Filter>Resource Files</Filter>
+    </None>
+    <None Include="..\External NRF52 Firmware\s132_nrf52_6.1.0_softdevice.bin">
+      <Filter>Resource Files</Filter>
+    </None>
+    <None Include="..\External NRF52 Firmware\s132_nrf52_6.1.0_softdevice.dat">
+      <Filter>Resource Files</Filter>
+    </None>
+  </ItemGroup>
+</Project>

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52/LICENSE.txt

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+Copyright (c) Microsoft Corporation. All rights reserved.
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED *AS IS*, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52/README.md

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+# License
+For details on license, see LICENSE.txt in this directory. This license applies only to the files in this directory. 
+The files in the nordic subdirectory are under a different license. 
+# Code of Conduct
+This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52/app_manifest.json

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+{
+  "SchemaVersion": 1,
+  "Name": "ExternalMcuUpdateNrf52",
+  "ComponentId": "12932655-bab6-4dc9-8250-d3d1481a469e",
+  "EntryPoint": "/bin/app",
+  "CmdArgs": [],  
+  "TargetApplicationRuntimeVersion" :  1, 
+  "Capabilities": {
+    "AllowedConnections": [],
+    "AllowedTcpServerPorts": [],
+    "AllowedUdpServerPorts": [],
+    "Gpio": [ 5, 12, 44 ],
+    "Uart": [ "ISU0" ],
+    "WifiConfig": false,
+    "NetworkConfig": false,
+    "SystemTime": false
+  }
+}

Samples/ExternalMcuUpdateNrf52/AzureSphereApp/ExternalMcuUpdateNrf52/applibs_versions.h

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+/* Copyright (c) Microsoft Corporation. All rights reserved.
+   Licensed under the MIT License. */
+
+#pragma once
+// This header defines which struct versions will be used for applibs APIs.
+#define WIFICONFIG_STRUCTS_VERSION 1
+#define UART_STRUCTS_VERSION 1