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Re: Remote COM port

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pozz <pozzugno@gmail.com> wrote:
> I have a proprietary device with a RS232 port controlled by a Windows 
> application that opens a standard COM port.

> Now I need to move the device in a remote position with Internet 
> connection. The user (and the Windows PC) will be in a different position.

> I want to develop an embedded Linux box with RS232 port connected to the 
> device and Internet.

> I know there are many commercial solutions, but before I'd search for an 
> open-source solution, if any. Here the big issue is the virtual COM 
> driver for Windows.
Two devices would remove the need for any kind of special software on 
windows. For the sake of the argument, make it two raspberry pis with 
USB to RS232 adapters.

<windows pc.com1> <--> <raspberrypi1.ttyUSB0> <--> internet via your
interface of choice <raspberrypi2.ttyUSB0> <--> <proprietary equipment>

The software you want on the linux systems is socat or netcat and 
should be part of any modern distribution, though not installed by 
default. For this to work, your windows software shouldn't do 
anything fancy with the status lines of RS232.

Any raspberry pi is grossly oversized for the task, so feel free to 
search for something smaller and cheaper.

This 
https://stackoverflow.com/questions/484740/converting-serial-port-data-to-tcp-ip-in-a-linux-environment
might give some hints concerning how to use the software.

> It's not a one-piece scenario, so it makes sense to develop my embedded 
> box that solves this problem. Moreover, I would stay generic regarding 
> RS232 baudrates, parity and so on.

-- 
A. Erhardt

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Remote COM port pozz <pozzugno@gmail.com> - 2023-11-27 08:55 +0100
  Re: Remote COM port Arthur Erhardt <usenet2023@erhardt-net.de> - 2023-11-27 08:37 +0000
    Re: Remote COM port pozz <pozzugno@gmail.com> - 2023-11-28 08:37 +0100
      Re: Remote COM port Arthur Erhardt <usenet2023@erhardt-net.de> - 2023-11-28 09:13 +0000
  Re: Remote COM port David Brown <david.brown@hesbynett.no> - 2023-11-27 09:44 +0100
  Re: Remote COM port Paul Rubin <no.email@nospam.invalid> - 2023-11-27 02:12 -0800
    Re: Remote COM port pozz <pozzugno@gmail.com> - 2023-11-28 08:38 +0100
  Re: Remote COM port Theo <theom+news@chiark.greenend.org.uk> - 2023-11-27 10:58 +0000
  Re: Remote COM port chrisq <devzero@nospam.com> - 2023-11-28 13:07 +0000

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