On Mi, 2017-09-06 at 23:06 +0200, Bo Berglund wrote: > On Wed, 06 Sep 2017 22:52:12 +0200, Bo Berglund > <bo.bergl...@gmail.com> wrote: > > >I have now added extra binary logging to the relaying program only to > >find that the data received and processed are missing about 50 k of > >the 1M transmission. > >Next I will edit serial.pp and up the buffers from 2K to 60K or so. > > By the way: > I have sent the Delphi test program I am debugging over to people at > the remote location and they have connected their laptop directly to > the data system and with that setup there is no data loss. > So this leaves me with only the Lazarus/FPC network relaying app to > fix...
Could that be some sort of timeout? You're setting FTcpComm.ReadTimeout := 30; but I have no idea what order of magnitude this 30 is. Maybe streching the timeout a little bit can help? I had several cases of timeout problems using RS232 over TCP. > I could also create another test program, a serial sniffer that could > be set up to just log whatever appears on the serial lines. I need a > 3-way cable for that of course. Such thing does exists, I only forgot the name(s), ;) HTH, Marc _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal