Crc16 and DlmsReader ported from C# project. Working condition

Code/ESPDebugger/DlmsReader.h

@@ -0,0 +1,42 @@
+#ifndef _DLMSREADER_h
+#define _DLMSREADER_h
+
+#include "Crc16.h"
+
+#if defined(ARDUINO) && ARDUINO >= 100
+  #include "arduino.h"
+#else
+  #include "WProgram.h"
+#endif
+
+#define DLMS_READER_BUFFER_SIZE 256
+#define DLMS_READER_MAX_ADDRESS_SIZE 5
+
+class DlmsReader
+{
+  public:
+    DlmsReader();
+    bool Read(byte data);
+    int GetRawData(byte *buffer, int start, int length);
+    
+  protected:
+    Crc16Class Crc16;
+    
+  private:
+    byte buffer[DLMS_READER_BUFFER_SIZE];
+    int position;
+    int dataLength;
+    byte frameFormatType;
+    byte destinationAddress[DLMS_READER_MAX_ADDRESS_SIZE];
+    byte destinationAddressLength;
+    byte sourceAddress[DLMS_READER_MAX_ADDRESS_SIZE];
+    byte sourceAddressLength;
+
+    void Clear();
+    int GetAddress(int addressPosition, byte* buffer, int start, int length);
+    unsigned short GetChecksum(int checksumPosition);
+    bool IsValidFrameFormat(byte frameFormatType);
+    void WriteBuffer();
+};
+
+#endif