[fpc-pascal] Serial to TCP gateway in FPC?

Snorkl e tony.caduto at gmail.com
Sun Jun 18 16:46:06 CEST 2017

Couldn't you read the serial port data and then stream it with Synapse to
the remote location?
You can use Synapse to read the serial port data and sent via TCP/IP.

On Jun 18, 2017 2:05 AM, "Bo Berglund" <bo.berglund at gmail.com> wrote:

> I need to implement a serial to TCP gateway in order to communicate
> between a Windows based control software and a system controller box.
> The software and the controller only talk serial to each other and the
> protocol is proprietary and binary.
> Now I have a situation where the controller is on a remote location
> many thousands of km away from here.
> I have managed to get some help on the remote site to hook up the
> controller serial port to a serial to USB cable plugged into a
> Raspberry Pi, which I can reach via VPN from here. So I installed
> serial2net on the RPi, making it publish the serial port as a TCP port
> (#2091). This part works OK, so whatever is sent on the TCP socket
> connection gets transferred to the RS232 serial line and vice versa.
> So far so good, but now I also need some kind of serial port to TCP
> converter on the Windows 7 PC I use in my end, which is handling the
> VPN connection.
> So I wonder if there are any FPC examples around for conversion serial
> to TCP (where the TCP part is a client rather than a server), which
> can compile on Windows. I cannot use any RPi in this end because I
> cannot get the RPi to connect by VPN to the remote location...
> Ready made example or suggestions on how to go about writing a
> converter in FPC are welcome!
> --
> Bo Berglund
> Developer in Sweden
> _______________________________________________
> fpc-pascal maillist  -  fpc-pascal at lists.freepascal.org
> http://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal
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