add button event and screeens

matrix/screenSensors/blank_screen.cc

@@ -0,0 +1,90 @@
+/*
+ ____  _        _    _   _ _  __
+| __ )| |      / \  | \ | | |/ /
+|  _ \| |     / _ \ |  \| | ' / 
+| |_) | |___ / ___ \| |\  | . \ 
+|____/|_____/_/   \_\_| \_|_|\_\
+
+Simple blank screen (black) for LED matrix
+Used when user wants to turn off the display
+
+Pour compiler:
+g++ -I/var/www/moduleair_pro_4g/matrix/include -L/var/www/moduleair_pro_4g/matrix/lib /var/www/moduleair_pro_4g/matrix/screenSensors/blank_screen.cc -o /var/www/moduleair_pro_4g/matrix/screenSensors/blank_screen -lrgbmatrix
+
+Pour lancer:
+sudo /var/www/moduleair_pro_4g/matrix/screenSensors/blank_screen
+*/
+
+#include "led-matrix.h"
+#include "graphics.h"
+#include <unistd.h>
+#include <iostream>
+#include <signal.h>
+#include <atomic>
+
+using rgb_matrix::RGBMatrix;
+using rgb_matrix::Canvas;
+
+std::atomic<bool> running(true);
+
+void signal_handler(int signum) {
+    running = false;
+}
+
+int main(int argc, char *argv[]) {
+    std::cout << "Blank Screen Display started" << std::endl;
+
+    // Handle signals for graceful exit
+    signal(SIGINT, signal_handler);
+    signal(SIGTERM, signal_handler);
+
+    // Initialize LED matrix
+    std::cout << "Initializing LED matrix..." << std::endl;
+    RGBMatrix::Options defaults;
+    defaults.hardware_mapping = "moduleair_pinout";
+    defaults.rows = 64;
+    defaults.cols = 128;
+    defaults.chain_length = 1;
+    defaults.parallel = 1;
+    defaults.row_address_type = 3;
+    defaults.show_refresh_rate = false;
+    defaults.brightness = 100;
+    defaults.pwm_bits = 1;
+    defaults.panel_type = "FM6126A";
+    defaults.disable_hardware_pulsing = false;
+
+    rgb_matrix::RuntimeOptions runtime_opt;
+    runtime_opt.gpio_slowdown = 4;
+    runtime_opt.daemon = 0;
+    runtime_opt.drop_privileges = 0;
+
+    Canvas *canvas = RGBMatrix::CreateFromOptions(defaults, runtime_opt);
+    if (canvas == NULL) {
+        std::cerr << "Error creating LED matrix canvas" << std::endl;
+        return 1;
+    }
+    std::cout << "LED matrix initialized successfully" << std::endl;
+
+    // Clear the screen (turn all pixels black)
+    canvas->Clear();
+    std::cout << "Screen cleared - all pixels black" << std::endl;
+
+    // Main loop - just keep the screen blank
+    std::cout << "Blank screen active - press Ctrl+C to exit" << std::endl;
+    while (running) {
+        // Ensure screen stays clear
+        canvas->Clear();
+        
+        // Sleep for 5 seconds before next clear
+        for (int i = 0; i < 5 && running; i++) {
+            sleep(1);
+        }
+    }
+
+    // Clean up
+    std::cout << "Program terminating, cleaning up..." << std::endl;
+    canvas->Clear();
+    delete canvas;
+    std::cout << "Blank Screen Display terminated" << std::endl;
+    return 0;
+}