Add example for Raspberry GPIO controll

examples/emulator.cpp

@@ -0,0 +1,47 @@
+#include <iostream>
+#include <csignal>
+#include <thread>
+#include <chrono>
+#include <pigpiod_if2.h>
+
+bool running = true;
+
+void signal_handler(int signum) {
+    running = false;
+}
+
+int main() {
+    const int PIN_HOLD = 17;    // stays ON
+    const int PIN_BLINK = 27;   // toggles
+    const double ON_INTERVAL = 0.2;   // seconds ON
+    const double OFF_INTERVAL = 0.8;  // seconds OFF
+
+    signal(SIGINT, signal_handler);
+
+    int pi = pigpio_start(NULL, NULL);
+    if (pi < 0) {
+        std::cerr << "Failed to connect to pigpiod daemon.\n";
+        return 1;
+    }
+
+
+    set_mode(pi, PIN_HOLD, PI_OUTPUT);
+    set_mode(pi, PIN_BLINK, PI_OUTPUT);
+
+    gpio_write(pi, PIN_HOLD, 1);
+    std::cout << "GPIO " << PIN_HOLD << " ON (constant), toggling GPIO " << PIN_BLINK << "...\n";
+
+    while (running) {
+        gpio_write(pi, PIN_BLINK, 1);
+        std::this_thread::sleep_for(std::chrono::duration<double>(ON_INTERVAL));
+        gpio_write(pi, PIN_BLINK, 0);
+        std::this_thread::sleep_for(std::chrono::duration<double>(OFF_INTERVAL));
+    }
+
+    std::cout << "\nStopping...\n";
+    gpio_write(pi, PIN_HOLD, 0);
+    gpio_write(pi, PIN_BLINK, 0);
+    pigpio_stop(pi);
+
+    return 0;
+}