FiscalProtocol

 public void createAndSendPacket(char cmd, String data)
    {
        char[] the_data;

    //the_data = data.getBytes("US-ASCII");
    the_data = data.toCharArray();

    int length = the_data.length;

    char buffer[] = new char[length + 10];

    /*if(length > 218)
    {
        //Error here
    }*/

    buffer[0] = 1;
    buffer[1] = (char)(length + 36);
    buffer[2] = m_packetSeq++;
    buffer[3] = (char)(cmd);


    for (int i = 0 ; i!=length; i++)
    {
        buffer[i+4] = the_data[i];
    }


    buffer[length + 4] = 5;

    int bcc = 0;
    for(int i = 1; i < buffer.length; ++i )
    {
        bcc += buffer[i] & 0xFF;
    }

    buffer[length + 5] = ((char)(48 + (0xF & (bcc >> 12))));
    buffer[length + 6] = ((char)(48 + (0xF & (bcc >> 8))));
    buffer[length + 7] = ((char)(48 + (0xF & (bcc >> 4))));
    buffer[length + 8] = ((char)(48 + (0xF & (bcc >> 0))));

    buffer[length + 9] = 3;


    sendPacket(buffer);
    }