[Bacsharp-developers] Candidate 'BVLL.Create()' method (/BVLL class)

[Dennis V M. <d.m...@d2...>]

Inspired by the intention of the following comment:

//PEP Use NPDU.Create and APDU.Create (when written)

A candidate method for 'BVLL.Create()':

using System;

    //-----------------------------------------------------------------------------------------------
    // BVLL Routines
    public static class BVLL
    {
        public static int /*BVLL*/ Create(byte[] bytes, ushort bvlcLen = 0, int offset = 0)
        {
            // BVLL

            // BLVC Type
            bytes[offset++] = BACnetEnums.BACNET_BVLC_TYPE_BIP;

            // BLVC Function
            bytes[offset++] = BACnetEnums.BACNET_UNICAST_NPDU;

            // BLVC Length

            var blvcBytes = BitConverter.GetBytes(bvlcLen);

            bytes[offset++] = blvcBytes[1];
            bytes[offset++] = blvcBytes[0];

            return offset;
        }
    }

E.g.  Used like so:

                    // BVLL

                    var offset = BVLL.Create(sendBytes, 12);    // 'offset' (/"len") == BVLL is always 4 bytes

                    //sendBytes[0] = BACnetEnums.BACNET_BVLC_TYPE_BIP;
                    //sendBytes[1] = BACnetEnums.BACNET_UNICAST_NPDU;
                    //sendBytes[2] = 0;
                    //sendBytes[3] = 12;


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