Initialisation depot

lib/Dcc/Dcc.h

@@ -0,0 +1,14 @@
+#pragma once
+#include <vector>
+#include <stdint.h>
+
+class Dcc {
+public:
+  // Generate a simplified DCC accessory packet (bytes).
+  // addr: accessory address (application-dependent)
+  // activate: true = ON, false = OFF
+  static std::vector<uint8_t> generateAccessoryPacket(uint16_t addr, bool activate);
+
+  // Send packet via a GPIO pin (simulation/pulse). Implementation may be hardware-specific.
+  static void sendPacket(const std::vector<uint8_t> &packet, int pin);
+};