minor changes. started writting own 3d math library and started implementation for linux/mac

main.cpp

@@ -1,3 +1,4 @@
+#include <cstddef>
 #include <cstdint>
 #include <handleapi.h>
 #include <thread>
@@ -26,7 +27,7 @@
 std::mutex g_mutex;
 Quaternion g_currQuat = {1.0f, 0.0f, 0.0f, 0.0f};
 std::vector<Quaternion> g_quadHistory;
-bool g_running = true;
+bool g_running = false;
 HANDLE g_serialHandle = INVALID_HANDLE_VALUE;
 
 
@@ -113,7 +114,7 @@ void serialParserThread() {
 
     // close and exit the thread
     CloseHandle(g_serialHandle);
-    std::cout << "Serial communicatin thread exiting" << std::endl;
+    std::cout << "Serial communication thread exiting" << std::endl;
 
 }
 
@@ -293,7 +294,8 @@ int main() {
 
     // Start serial parsing thread
     // pass the address of the code in memory so that thread can start its instance of the function
-    std::thread parserThread(serialParserThread);
+    //std::thread parserThread(serialParserThread);
+    std::thread* parserThread = nullptr;
 
     // set rendering state of window
     glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
@@ -302,7 +304,7 @@ int main() {
     
 
     // main rendering loop for the ui
-    while (g_running && !glfwWindowShouldClose(window)) {
+    while (!glfwWindowShouldClose(window)) {
         // process new events from window evevnt queue
         glfwPollEvents();
         // clear the color buffer == clear the screen / / GL_DEPTH_BUFFER_BIT would be for 3D rendering
@@ -329,7 +331,7 @@ int main() {
         // apply MVP
         //model = glm::rotate(model, (float)glfwGetTime() * glm::radians(50.0f), glm::vec3(0.5f, 1.0f, 0.0f));
         
-        // this need to be deleted and redone
+        // this needs    to be deleted and redone
         glm::quat kekus_q(g_currQuat.w, g_currQuat.x, g_currQuat.y, g_currQuat.z);
 
         
@@ -379,6 +381,26 @@ int main() {
 
         ImGui::Text("Hello Daddy, I'm here to serve");
         ImGui::Text("w: %.4f x: %.4f y: %.4f z: %.4f", lQuad.w, lQuad.x, lQuad.y, lQuad.z);
+        ImGui::Text("Connection to MCU: ");
+
+        ImGui::BeginDisabled(parserThread != nullptr);
+        if (ImGui::Button("Connect")) {
+            g_running = true;
+            parserThread = new std::thread(serialParserThread);
+        } 
+        ImGui::EndDisabled();
+
+        ImGui::SameLine();
+        
+        ImGui::BeginDisabled(parserThread == nullptr);
+        if (ImGui::Button("Disconnect")) {
+            g_running = false;
+            parserThread -> join();
+            delete parserThread;
+            parserThread = nullptr;
+        } 
+        ImGui::EndDisabled();
+
 
         // create scrolling section for last 200 measurements
         ImGui::BeginChild("History", ImVec2(0, 300), true, ImGuiWindowFlags_HorizontalScrollbar);
@@ -405,10 +427,10 @@ int main() {
     }
 
     // set the parsing thread to exit and wait for it
-    g_running = false;
-    if (parserThread.joinable()) {
-        parserThread.join();
-    }
+   // g_running = false;
+    //if (parserThread.joinable()) {
+    //    parserThread.join();
+    //}
 
     // clean up ImGui
     ImGui_ImplOpenGL3_Shutdown();