Add project files.

HowTo.md

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+## Must be done First
+
+- Charge the battery
+    - Either with external charger
+    - Pluging the TELLO to PC's USB : Tello will blink blue
+
+## Checking using the Android application
+
+- Get the TELLO app
+- Strat the TELLO
+
+- Start the app
+- Connect to Tello's Wifi : for eg, TELLO-ED41FD
+- You should see the Video in the app and you should be able to command the TELLO
+
+## Using TelloLibrary and the Test Application
+
+- Connect the TELLO and PC through Wifi
+  - Using a Wifi plug (preferred choice)
+  - Using PC's Wifi
+- Check "Auto Connect" to avoid doing it manually again
+
+## Problems
+- If your TELLO don't want to take-off, you mais have missed the activation
+	- In order to activate it, you must use the Android app

Readme.md

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+# TelloLibrary
+
+X# Library to ease the use the communication with DJI Tello, with at least SDK 2.0
+_**Documentation**_ :  
+ https://dl-cdn.ryzerobotics.com/downloads/Tello/Tello%20SDK%202.0%20User%20Guide.pdf
+
+# TelloTest
+
+Raw-mode Console App to send command to the TELLOs
+
+# TelloXSharp
+
+Simple console app that can get the video stream
+
+# TelloFake
+
+Fake-Drone console app : It will emulate the drone, and print received commands

SimpleTello/Program.prg

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+// Program.prg
+// Created by    : fabri
+// Creation Date : 7/18/2023 5:59:09 PM
+// Created for   : 
+// WorkStation   : FABXPS
+
+USING System
+USING System.Collections.Generic
+USING System.Linq
+USING System.Text
+USING SimpleTello
+
+FUNCTION Start() AS VOID STRICT
+	Console.WriteLine("Simple Tello Test App")
+	//
+	VAR tello := SimpleTello{}
+	tello:Start()

SimpleTello/Properties/AssemblyInfo.prg

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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("SimpleTello")]
+[assembly: AssemblyDescription("")]
+[assembly: AssemblyConfiguration("")]
+[assembly: AssemblyCompany("")]
+[assembly: AssemblyProduct("SimpleTello")]
+[assembly: AssemblyCopyright("Copyright ©  2023")]
+[assembly: AssemblyTrademark("")]
+[assembly: AssemblyCulture("")]
+
+// Setting ComVisible to false makes the types in this assembly not visible
+// to COM components.  If you need to access a type in this assembly from
+// COM, set the ComVisible attribute to true on that type.
+[assembly: ComVisible(FALSE)]
+
+// The following GUID is for the ID of the typelib if this project is exposed to COM
+[assembly: Guid("dec58555-cb5f-4436-9cfa-7bc19d367171")]
+
+//
+// Version information for an assembly consists of the following four values:
+//
+//      Major Version
+//      Minor Version
+//      Build Number
+//      Revision
+//
+// You can specify all the values or you can default the Revision and Build Numbers
+// by using the '*' as shown below:
+
+[assembly: AssemblyVersion("1.0.*")]

SimpleTello/SimpleTello.prg

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+// SimpleTello.prg
+// Created by    : fabri
+// Creation Date : 7/18/2023 6:00:37 PM
+// Created for   : 
+// WorkStation   : FABXPS
+
+
+USING System
+USING System.Collections.Generic
+USING System.Text
+USING System.Net
+USING System.Net.Sockets
+USING System.Text
+USING System.Threading
+
+BEGIN NAMESPACE SimpleTello
+
+	/// <summary>
+	/// The SimpleTello class.
+	/// </summary>
+	PUBLIC CLASS SimpleTello
+		PRIVATE  _lastResponse := "" AS string
+
+		PRIVATE  IsNewReponseAvailable := false AS Logic
+
+		PRIVATE  PROPERTY LastResponse AS string
+			GET
+				IsNewReponseAvailable := false
+				RETURN _lastResponse
+
+			END GET
+		END PROPERTY
+
+		METHOD Start() AS void
+			LOCAL droneEndpoint AS IPEndPoint
+			LOCAL localEndPoint AS IPEndPoint
+			LOCAL client AS UdpClient
+			LOCAL th AS Thread
+			LOCAL cmd AS string
+			LOCAL cmdData AS Byte[]
+			//
+			Console.WriteLine("Tello RAW Test")
+			Console.WriteLine("Open connection to Tello.....")
+			Console.Write("IP Address : (empty for default) ")
+			VAR address := Console.ReadLine()
+			IF string.IsNullOrEmpty(address)
+				address := "192.168.10.1"
+			ENDIF
+			droneEndpoint := IPEndPoint{IPAddress.Parse(address), 8889}
+			localEndPoint := IPEndPoint{IPAddress.Any, 8890}
+			client := UdpClient{localEndPoint}
+			client:Connect(droneEndpoint)
+			th := Thread{RecvThread}
+			th:Start(client)
+			WHILE true
+				Console.Write("Command : ")
+				cmd := Console.ReadLine()
+				IF string.IsNullOrEmpty(cmd)
+					EXIT
+				ENDIF
+				cmdData := Encoding.UTF8:GetBytes(cmd)
+				client:Send(cmdData, cmdData:Length)
+				Thread.Sleep(0)
+				IF !th:IsAlive
+					th:Start(client)
+				ENDIF
+				Thread.Sleep(0)
+				WHILE !IsNewReponseAvailable
+				END WHILE
+				Console.WriteLine(LastResponse)
+			END WHILE
+			client:Close()
+			Console.WriteLine("Press <return> to Close...")
+			Console.ReadLine()
+
+
+		PUBLIC  METHOD RecvThread(param AS Object ) AS void
+			LOCAL client AS UdpClient
+			LOCAL remoteEndPoint AS IPEndPoint
+			LOCAL responseData AS Byte[]
+			LOCAL response AS string
+			//
+			client := (UdpClient)param
+			WHILE true
+				TRY
+					remoteEndPoint := null
+					responseData := client:Receive(REF remoteEndPoint)
+					response := Encoding.UTF8:GetString(responseData)
+					IF !response:StartsWith("mid")
+						IsNewReponseAvailable := true
+						_lastResponse := response
+					ENDIF
+
+				CATCH e AS Exception
+					Console.WriteLine(e:Message)
+					EXIT
+				END TRY
+			END WHILE
+			Console.WriteLine("-->>...")
+
+
+	END CLASS
+
+END NAMESPACE // SimpleTello

SimpleTello/SimpleTello.xsproj

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+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(XSharpMsBuildDir)\XSharp.Default.props" />
+  <PropertyGroup>
+    <ProjectGuid>dec58555-cb5f-4436-9cfa-7bc19d367171</ProjectGuid>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>SimpleTello</RootNamespace>
+    <AssemblyName>SimpleTello</AssemblyName>
+    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <Name>SimpleTello</Name>
+    <OutputName>SimpleTello</OutputName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+  </PropertyGroup>
+  <Import Project="$(XSharpMsBuildDir)\XSharp.targets" />
+  <ItemGroup>
+    <Reference Include="mscorlib" />
+    <Reference Include="System" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Xml.Linq" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.prg">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Program.prg">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="SimpleTello.prg" />
+  </ItemGroup>
+  <ItemGroup>
+    <Folder Include="Properties\" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\TelloLibrary\TelloLibrary.xsproj">
+      <Name>TelloLibrary</Name>
+      <Project>{d56b6653-8cfa-4a04-81fc-74bc58fe9120}</Project>
+      <Private>True</Private>
+    </ProjectReference>
+  </ItemGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Debug|AnyCPU'">
+    <PreBuildEvent />
+    <PostBuildEvent />
+    <RunPostBuildEvent />
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)' == 'Release|AnyCPU'">
+    <PreBuildEvent />
+    <PostBuildEvent />
+    <RunPostBuildEvent />
+  </PropertyGroup>
+</Project>