Initial version of the ESP32 Firmware Flasher utility (#8)

EspFirmwareFlasher/App.config

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+<?xml version="1.0" encoding="utf-8" ?>
+<configuration>
+	<appSettings>
+		<!-- ********************************** -->
+		<!-- ESP32 / ESP8266 tool configuration -->
+		<!-- ********************************** -->
+		<!-- default ESP chip type; ESP32 and ESP8266 are allowed -->
+		<!--<add key="DefaultEspChipType" value="ESP32"/>-->
+		<!-- default serial port if nothing is delivered via command line argument -->
+		<!--<add key="DefaultSerialPort" value="COM1"/>-->
+		<!-- default baudrate for the serial port if nothing is delivered via command line argument -->
+		<!--<add key="DefaultBaudRate" value="921600"/>-->
+		<!-- default flash mode if nothing is delivered via command line argument -->
+		<!-- See https://github.com/espressif/esptool#flash-modes for more details -->
+		<!--<add key="DefaultFlashMode" value="dio"/>-->
+		<!-- default flash frequency if nothing is delivered via command line argument -->
+		<!-- See https://github.com/espressif/esptool#flash-modes for more details -->
+		<!--<add key="DefaultFlashFrequency" value="40m"/>-->
+
+		<!-- ******************************* -->
+		<!-- Firmware download configuration -->
+		<!-- ******************************* -->
+		<!-- default firmware type -->
+		<!--<add key="DefaultFirmwareType" value="nanoClr"/>-->
+		<!-- default download location on bintray.com -->
+		<!--<add key="DefaultDownloadSource" value="https://bintray.com/nfbot/nanoframework-images-dev"/>-->
+		<!-- default board type for the firmware download -->
+		<!--<add key="DefaultBoardType" value="ESP32_DEVKITC"/>-->
+	</appSettings>
+	<startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
+    </startup>
+</configuration>

EspFirmwareFlasher/CreateEspToolZip.targets

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+<Project ToolsVersion="12.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+	<!-- Tast for creating the esptool.zip -->
+	<UsingTask
+		TaskName="CreateEspToolZip"
+		TaskFactory="CodeTaskFactory"
+		AssemblyFile="$(MSBuildToolsPath)\Microsoft.Build.Tasks.v4.0.dll" >
+		<ParameterGroup />
+		<Task>
+			<Reference Include="C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\.NETFramework\v4.6.1\System.IO.Compression.FileSystem.dll"/>
+			<Using Namespace="System.Diagnostics"/>
+			<Using Namespace="System.IO"/>
+			<Using Namespace="System.IO.Compression"/>
+			<Code Type="Fragment" Language="cs">
+				<![CDATA[
+// don't recreate esptool.zip if it's allready there
+if (File.Exists("esptool.zip"))
+{
+	Log.LogMessage(MessageImportance.High, "The esptool.zip is already there and will not be recreated.");
+	return _Success;
+}
+
+// delete obj\esptool-python if it's already there
+Log.LogMessage(MessageImportance.High, "Creating esptool.zip ...");
+if (Directory.Exists(@"obj\esptool-python"))
+{
+	Directory.Delete(@"obj\esptool-python", true);
+}
+
+// install esptool via pip into obj\esptool-python
+Process process = Process.Start("pip", @"install --target=obj\esptool-python esptool");
+process.WaitForExit();
+
+// create a package that can run without python via PyInstaller
+process = Process.Start("pyinstaller", @"--distpath obj\esptool-python\dist --workpath obj\esptool-python\build --specpath obj\esptool-python obj\esptool-python\esptool.py");
+process.WaitForExit();
+
+// create a zip file from the package
+ZipFile.CreateFromDirectory(@"obj\esptool-python\dist\esptool", "esptool.zip");
+return _Success;
+]]>
+			</Code>
+		</Task>
+	</UsingTask>
+</Project>

EspFirmwareFlasher/EspFirmwareFlasher.csproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{DCF24265-C979-4573-BF3B-05BE35429DD1}</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>EspFirmwareFlasher</RootNamespace>
+    <AssemblyName>EspFirmwareFlasher</AssemblyName>
+    <TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <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' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Configuration" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.IO.Compression.FileSystem" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xml" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="EspTool.cs" />
+    <Compile Include="NanoClrFirmware.cs" />
+    <Compile Include="WifiWaterLevelGaugeFirmware.cs" />
+    <Compile Include="Firmware.cs" />
+    <Compile Include="Program.cs" />
+    <Compile Include="Properties\AssemblyInfo.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+    <None Include="CreateEspToolZip.targets">
+      <SubType>Designer</SubType>
+    </None>
+    <None Include="esptool.zip">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+  <Import Project="CreateEspToolZip.targets" />
+  <Target Name="BeforeBuild">
+    <CreateEspToolZip />
+  </Target>
+</Project>

EspFirmwareFlasher/EspFirmwareFlasher.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 14
+VisualStudioVersion = 14.0.25420.1
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EspFirmwareFlasher", "EspFirmwareFlasher.csproj", "{DCF24265-C979-4573-BF3B-05BE35429DD1}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{DCF24265-C979-4573-BF3B-05BE35429DD1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DCF24265-C979-4573-BF3B-05BE35429DD1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DCF24265-C979-4573-BF3B-05BE35429DD1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DCF24265-C979-4573-BF3B-05BE35429DD1}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E2AD78E4-47FA-4E0B-9A60-3CCAEDAB0863}
+	EndGlobalSection
+EndGlobal