Al 04/07/13 17:24, En/na Mark Morgan Lloyd ha escrit: > In any event, my experience is that USB->serial converters are very poor > for anything that involves accurate timing, and I suspect that > controlling a 485 transceiver in conjunction with one would be > problematic.
Not if the converter manages the rx/tx switching all by itself > I think I asked FTDI about this a couple of years ago, and > was told that their hardware had facilities that would help but > exploiting them would take a non-standard driver. The ones I used worked with the standard driver: send something, it automatically enables the transmitter, after the last bit has been transmitted it goes in high impedance mode ready for listening/receiving. Bye -- Luca _______________________________________________ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
