status display tested

README.md

@@ -14,8 +14,8 @@ copy the listen2P1AM.service to /etc/systemd/system/
 
 run
 
- sudo systemctl enable listen2P1AM.service
+`sudo systemctl enable listen2P1AM.service`
- sudo systemctl start listen2P1AM.service
+`sudo systemctl start listen2P1AM.service`
 
 ## interlock database at fsunuc.physics.fsu.edu
 

statusDisplay/README.md

@@ -1,7 +1,9 @@
-The Status Display on Raspberry Pi use the SDL C++ library
+# Intoduction
 
- sudo apt-get install libsdl2-dev libsdl2-image-dev libsdl2-ttf-dev
+The Status Display on Raspberry Pi use the SDL (Simple DirectMedia Layer) C++ library
 
-To Compile
+`sudo apt-get install libsdl2-dev libsdl2-image-dev libsdl2-ttf-dev`
 
- g++ -o display display.cpp -lSDL2 -lSDL2_image -lSDL2_ttf
+# To Compile
+
+`make`

statusDisplay/display.cpp

@@ -3,34 +3,149 @@
 #include <SDL2/SDL_image.h>
 #include <SDL2/SDL_ttf.h>
 #include <string>
+#include <thread>
+#include <chrono>
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <sstream>
+
+SDL_Window* window = nullptr;
+SDL_Renderer* renderer = nullptr;
+TTF_Font* font = nullptr;
+
+SDL_Color blackColor = {   0,   0,   0, 255}; 
+SDL_Color redColor   = { 255,   0,   0, 255}; 
+SDL_Color greenColor = {   0, 200,   0, 255}; 
+SDL_Color blueColor  = {   0,   0, 255, 255}; 
+
+SDL_Texture* textTexture = nullptr;
+
+void textDisplay(std::string text, int posX, int posY, SDL_Color color){
+
+    SDL_Surface* textSurface = TTF_RenderText_Solid(font, text.c_str(), color);
+    textTexture = SDL_CreateTextureFromSurface(renderer, textSurface);
+
+    SDL_Rect textRect  = { posX, posY, textSurface->w, textSurface->h };
+
+    SDL_RenderCopy(renderer, textTexture, NULL, &textRect);
+
+    SDL_FreeSurface(textSurface);
+    SDL_DestroyTexture(textTexture);
+
+}
+
+int statusReading = 0;
+double tritiumReading = 0;
+double vaccumReading = 0;
+double subPumpReading = 0;
+
+bool preAccel = true;
+bool valve1 = true;
+bool valve2 = true;
+bool hv = true;
+bool boiler = true ;
+bool ionizer = true ;
+
+void readStatus(){
+    std::ifstream file("data.txt"); // Replace "your_file.txt" with your actual file path
+    if (!file.is_open()) {
+        std::cout << "Unable to open file" << std::endl;
+        return;
+    }
+
+    std::string line;
+    while (std::getline(file, line)) {
+        std::istringstream iss(line);
+        std::string key;
+        double value;
+
+        if (std::getline(iss, key, '=')) {
+            // Extract the key
+            std::string valueStr;
+            if (std::getline(iss, valueStr)) {
+                // Convert the value string to double
+                try {
+                    value = std::stod(valueStr);
+                    //std::cout << "Key: " << key << ", Value: " << value << std::endl;
+                    // Use 'value' as needed
+
+                    if( key == "State value" ) statusReading = value;
+                    if( key == "Tritium value" ) tritiumReading = value;
+                    if( key == "Vaccum value" ) vaccumReading = value;
+                    if( key == "SubPump value" ) subPumpReading = value;
+
+                } catch (const std::invalid_argument& e) {
+                    std::cout << "Invalid value format for key: " << key << std::endl;
+                }
+            }
+        }
+    }
+
+    file.close();
+
+    if( statusReading == 0 || statusReading == 1 ){ // startup or normal
+        preAccel = true;
+        valve1 = true;
+        valve2 = true;
+        hv = true;
+        boiler = true;
+        ionizer = true;
+    }
+
+
+    if( statusReading == 2 ){ // toruble1
+        preAccel = false;
+        hv = false;
+    }
+
+    if( statusReading == 3 ){ // toruble2
+        preAccel = false;
+        valve1 = false;
+        valve2 = false;
+        hv = false;
+        ionizer = false;     
+    }
+
+    if( statusReading == 4 ){ // toruble3
+        preAccel = false;
+        valve1 = false;
+        valve2 = false;
+        hv = false;
+        boiler = false;
+        ionizer = false;
+    }
+
+
+}
 
 int main() {
   SDL_Init(SDL_INIT_VIDEO);
 
   // Create a window
-  SDL_Window* window = SDL_CreateWindow("Image with Text Overlay",
+  window = SDL_CreateWindow("Tritium Source Status",
                                         SDL_WINDOWPOS_UNDEFINED,
                                         SDL_WINDOWPOS_UNDEFINED,
                                         1577, 695, 0);
 
   // Create a renderer
-  SDL_Renderer* renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
+  renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
-
-  // Load an image
-  SDL_Surface* imageSurface = IMG_Load("image.png");
-  SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, imageSurface);
-  SDL_FreeSurface(imageSurface);
 
   // Font initialization for rendering text
   TTF_Init();
-  TTF_Font* font = TTF_OpenFont("/usr/share/fonts/truetype/freefont/FreeMono.ttf", 24);
+  font = TTF_OpenFont("/usr/share/fonts/truetype/freefont/FreeSerifBold.ttf", 24);
-  SDL_Color textColor = { 255, 255, 255 }; // White color
 
-  SDL_Rect imageRect = { 0, 0, 1577, 695 }; // Image position and size
+  // Load an image
+  SDL_Surface* imageSurface = IMG_Load("BG.png");
+  SDL_Texture* texture = SDL_CreateTextureFromSurface(renderer, imageSurface);
+  SDL_FreeSurface(imageSurface);
+  SDL_Rect imageRect  = { 0, 0, 1577, 695 }; // Image position and size
 
   SDL_Event event;
   bool running = true;
 
+  int count = 0;
+
   while (running) {
     while (SDL_PollEvent(&event)) {
         if (event.type == SDL_QUIT) {
@@ -38,27 +153,61 @@ int main() {
         }
     }
 
+    if( count == 0 ) readStatus();
+
+    count ++;
+    if( count >= 5 ) count = 0;
+
     // Clear the renderer
     SDL_RenderClear(renderer);
 
     // Render the image
     SDL_RenderCopy(renderer, texture, NULL, &imageRect);
 
-    // Render text
+    {// Get current time
-    std::string textToRender = "Dynamic Number: 123"; // Replace with your dynamic number
+        std::chrono::system_clock::time_point now = std::chrono::system_clock::now();
-    SDL_Surface* textSurface = TTF_RenderText_Solid(font, textToRender.c_str(), textColor);
+        std::time_t now_c = std::chrono::system_clock::to_time_t(now);
 
+        // Convert time to a string
+        std::string timeString = std::ctime(&now_c);
+        timeString.erase(timeString.length() - 1); //remove the '\n' 
 
-    SDL_Texture* textTexture = SDL_CreateTextureFromSurface(renderer, textSurface);
+        textDisplay(timeString, 10, 10, blackColor);
+    }
 
-    SDL_Rect textRect = { 50, 50, textSurface->w, textSurface->h }; // Position of text
+    textDisplay( valve1 ? "Open" : "Close",  570, 455, valve1 ?  greenColor : redColor); // GateValve-1
-    SDL_RenderCopy(renderer, textTexture, NULL, &textRect);
+    textDisplay( valve2 ? "Open" : "Close", 1270, 455, valve2 ?  greenColor : redColor); // GateValve-2
+    textDisplay( "Pre-Accel. supply : ", 750, 455, blackColor); // pre-accel. supply text
+    textDisplay( preAccel ? "On" : "Off", 950, 455, preAccel ?  greenColor : redColor); // pre-accel. supply text
 
-    SDL_FreeSurface(textSurface);
+    textDisplay( "HV Supply : ", 30, 200, blackColor);
-    SDL_DestroyTexture(textTexture);
+    textDisplay( hv ? "On" : "Off", 230, 200, hv ? greenColor : redColor);
+
+    textDisplay( "Boiler Supply : ", 30, 240, blackColor);
+    textDisplay( boiler ? "On" : "Off", 230, 240, boiler ? greenColor : redColor);
+
+    textDisplay( "Ionizer Supply : ", 30, 280, blackColor);
+    textDisplay( ionizer ?  "On" : "Off", 230, 280, ionizer ? greenColor : redColor);
+
+    switch (statusReading){
+        case 0: textDisplay( "Start-Up", 10, 40, blueColor); break;
+        case 1: textDisplay( "Normal", 10, 40, greenColor); break;
+        case 2: textDisplay( "Trouble-1", 10, 40, redColor); break;
+        case 3: textDisplay( "Trouble-2", 10, 40, redColor); break;
+        case 4: textDisplay( "Trouble-3", 10, 40, redColor); break;
+    }
+
+    textDisplay( "Tritium Sensor : " + std::to_string(tritiumReading) + " mCr", 720, 200, blueColor);
+    textDisplay( "Vaccum : " + std::to_string(vaccumReading) + " Torr", 630, 20, blueColor);
+    textDisplay( "SubPump : " + std::to_string(subPumpReading) + " Amp", 1020, 70, blueColor);
+
+    textDisplay("update every 5 sec.", 1200, 670, blackColor);
 
     // Update the screen
     SDL_RenderPresent(renderer);
+
+    std::this_thread::sleep_for(std::chrono::seconds(1));
+
   }
 
   // Clean up