Initialisation depot

lib/Dcc/Dcc.cpp

@@ -0,0 +1,26 @@
+#include "Dcc.h"
+#include <Arduino.h>
+
+std::vector<uint8_t> Dcc::generateAccessoryPacket(uint16_t addr, bool activate) {
+  // This produces a simple, application-level packet representation.
+  // For NMRA-compliant bitstreams you will need a timing-accurate generator.
+  std::vector<uint8_t> p;
+  p.push_back((uint8_t)(addr >> 8));
+  p.push_back((uint8_t)(addr & 0xFF));
+  p.push_back(activate ? 1 : 0);
+  return p;
+}
+
+void Dcc::sendPacket(const std::vector<uint8_t> &packet, int pin) {
+  // Simple simulation: print packet and toggle pin briefly for each byte.
+  Serial.print("DCC packet: ");
+  for (size_t i = 0; i < packet.size(); ++i) {
+    Serial.print(packet[i], HEX);
+    Serial.print(' ');
+    digitalWrite(pin, HIGH);
+    delay(2);
+    digitalWrite(pin, LOW);
+    delay(2);
+  }
+  Serial.println();
+}

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);
+};