feat: OSerialBus

.gitignore

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+# -------------------------
+# Visual Studio / MSBuild
+# -------------------------
+.vs/
+*.VC.db
+*.VC.opendb
+*.VC.VC.opendb
+
+# User-spezifische Dateien
+*.user
+*.suo
+*.userosscache
+*.sln.docstates
+
+# Build-Verzeichnisse
+Debug/
+DebugPublic/
+Release/
+x64/
+x86/
+Build/
+Bin/
+Obj/
+Out/
+
+# CMake
+CMakeFiles/
+CMakeCache.txt
+cmake_install.cmake
+*.cmake
+out/
+
+# Compilierte Artefakte
+*.obj
+*.pdb
+*.idb
+*.ilk
+*.exe
+*.dll
+*.lib
+*.exp
+*.iobj
+*.ipdb
+
+# Präkompilierte Header
+*.pch
+
+# Log- und Temp-Dateien
+*.log
+*.tlog
+*.tmp
+
+# Visual Studio Einstellungen
+*.vcxproj.user
+
+# NuGet (falls genutzt)
+packages/
+
+# Crash Dumps
+*.dmp

MotionCore.sln

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+
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+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
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+		{D095587F-5B2C-4701-8559-FD1769A78582}.Debug|x86.Build.0 = Debug|Win32
+		{D095587F-5B2C-4701-8559-FD1769A78582}.Release|x64.ActiveCfg = Release|x64
+		{D095587F-5B2C-4701-8559-FD1769A78582}.Release|x64.Build.0 = Release|x64
+		{D095587F-5B2C-4701-8559-FD1769A78582}.Release|x86.ActiveCfg = Release|Win32
+		{D095587F-5B2C-4701-8559-FD1769A78582}.Release|x86.Build.0 = Release|Win32
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E4B52E92-E76E-4E0D-BFA6-8DE6CBD924FC}
+	EndGlobalSection
+EndGlobal

MotionCore/MainLoop.cpp

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+#include "MainLoop.h"
+
+void MainLoop::run()
+{
+}

MotionCore/MainLoop.h

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+#pragma once
+
+class MainLoop
+{
+public:
+	void run();
+};

MotionCore/MotionCore.vcxproj

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+    <RootNamespace>MotionCore</RootNamespace>
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+  <ItemGroup>
+    <ClCompile Include="main.cpp" />
+    <ClCompile Include="MainLoop.cpp" />
+    <ClCompile Include="OSerialBus.cpp" />
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+    <ClInclude Include="OSerialBus.h" />
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+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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+</Project>

MotionCore/MotionCore.vcxproj.filters

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+    <ClCompile Include="OSerialBus.cpp">
+      <Filter>Quelldateien</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="MainLoop.h">
+      <Filter>Headerdateien</Filter>
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+    <ClInclude Include="OSerialBus.h">
+      <Filter>Headerdateien</Filter>
+    </ClInclude>
+  </ItemGroup>
+</Project>

MotionCore/OSerialBus.cpp

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+#include "OSerialBus.h"
+#include <iostream>
+
+#ifdef WINDOWS
+OSerialBus::OSerialBus(const std::wstring& comPort, int baudRate):
+	comPort(comPort),
+	baudRate(baudRate)
+{
+	serialHandle = CreateFile(normalizePort(comPort).c_str(), GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
+	if (!serialHandle) {
+		std::wcerr << L"Unable to open serial port file " << normalizePort(comPort) << L"!" << std::endl;
+		return;
+	}
+
+	DCB serialParams = { 0 };
+	serialParams.DCBlength = sizeof(serialParams);
+	
+	if (!GetCommState(serialHandle, &serialParams)) {
+		std::wcerr << L"Unable to get comm state of port " << normalizePort(comPort) << L"! Is the port busy?" << std::endl;
+		return;
+	}
+
+	serialParams.BaudRate = baudRate;
+
+	if (!SetCommState(serialHandle, &serialParams)) {
+		std::wcerr << L"Unable to set comm state of port " << normalizePort(comPort) << L"! Is the port busy?" << std::endl;
+		return;
+	}
+
+	COMMTIMEOUTS timeouts = { 0 };
+	timeouts.ReadIntervalTimeout = 50;
+	timeouts.ReadTotalTimeoutConstant = 50;
+	timeouts.ReadTotalTimeoutMultiplier = 50;
+	timeouts.WriteTotalTimeoutConstant = 50;
+	timeouts.WriteTotalTimeoutMultiplier = 10;
+
+	if (!SetCommTimeouts(serialHandle, &timeouts)) {
+		std::wcerr << L"Unable to set comm timeouts of port " << normalizePort(comPort) << L"! Is the port busy?" << std::endl;
+		return;
+	}
+
+	open = true;
+}
+
+bool OSerialBus::isOpen() const
+{
+	return open;
+}
+
+bool OSerialBus::close()
+{
+	return CloseHandle(serialHandle);
+}
+
+bool OSerialBus::send(const std::string& line)
+{
+	// Important: this relies on chartype of line being 1 byte long!
+	const char* data = line.data();
+	std::size_t remaining = line.size();
+	
+	while (remaining > 0) {
+		DWORD bytesWritten = 0;
+
+		if (!WriteFile(serialHandle, data, (DWORD)remaining, &bytesWritten, nullptr)) {
+			return false;
+		}
+		if (bytesWritten == 0) {
+			return false;
+		}
+
+		data += bytesWritten;
+		remaining -= bytesWritten;
+	}
+
+	return true;
+}
+
+bool OSerialBus::sendl(const std::string& line)
+{
+	if (!send(line)) {
+		return false;
+	}
+	return send("\n");
+}
+
+int OSerialBus::getBaudRate() const
+{
+	return baudRate;
+}
+
+const std::wstring& OSerialBus::getComPort() const
+{
+	return comPort;
+}
+
+std::wstring OSerialBus::normalizePort(const std::wstring& port)
+{
+	// If port string already includes prefix, return as-is
+	if (port == L"\\\\.\\") {
+		return port;
+	}
+
+	// If the first 3 chars in the portstring are COM, prefix the prefix
+	if (_wcsnicmp(port.c_str(), L"COM", 3) == 0) {
+		return std::wstring(L"\\\\.\\") + port;
+	}
+
+	return port;
+}
+#endif

MotionCore/OSerialBus.h

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+#pragma once
+#include <windows.h>
+#include <string>
+
+class OSerialBus
+{
+	#ifdef WINDOWS
+public:
+	OSerialBus(const std::wstring& comPort, int baudRate = 9600);
+
+	bool isOpen() const;
+	bool close();
+	bool send(const std::string& line);
+	bool sendl(const std::string& line);
+
+	int getBaudRate() const;
+	const std::wstring& getComPort() const;
+
+private:
+	static std::wstring normalizePort(const std::wstring& port);
+
+	const std::wstring& comPort;
+	const int baudRate = 0;
+	HANDLE serialHandle;
+	bool open = false;
+	#endif // WINDOWS
+};

MotionCore/main.cpp

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+#include <iostream>
+#include "MainLoop.h"
+#include "OSerialBus.h"
+
+int main()
+{
+    OSerialBus bus(L"COM4");
+    if (!bus.isOpen()) {
+        std::cerr << "Serial bus is not open! Is the COM port busy?" << std::endl;
+        return -1;
+    }
+    bus.sendl("MA 1 120");
+    
+    bus.close();
+
+    MainLoop mainloop;
+    mainloop.run();
+}