Hello there ^^ I'm delphi software developer ^^ well I used to deal with delphi since version 7 till the current one for now 10.3 RIO , well I used to deal with devices using either USB or COM ports , and send and recieve buffers , besides i used to ceal with checksums and hashes like CRC32 for instance ^^ anyway just give me the green light and I will do my best ^^
best regards