[Gambas-user] serial port issue

[Robert JUHASZ]

Thanks for the info! I may need to find some reliable hardware, this can be
an issue (the one installed by my Chinese informatics colleague doesn't give
me too much confidence :-)

Did you have to install any driver to get it working?

Robi

2010/4/21 Ron <ron at ...1740...>

> I use a ten ports usb hub and seperate usb to serial cables.
> I have written some udev rules to lock the serial device names to the
> physical ports.. otherwise they change after a reboot.
>
> To bad I just found these guys afterwards:
> http://www.picco.nl/product_info.php?products_id=2338
>
> Regards,
> Ron.
> > Ron,
> >
> > I mean that the app doesn't do what I wish him to do :-)
> > Unfortunately it works as expected with the serial port on the
> motherboard
> > (ttyS0, same equipment connected, same data sent and should have been
> > received) so it should not be a bug in my code.
> > The connection parameters (including Xon/Xoff) are required by the
> equipment
> > I use.
> >
> > Physically, how did you connect 10 serial ports to your machine? With a
> card
> > or do you use virtual ports with USB connector?
> >
> > Robi
> >
> > 2010/4/21 Ron <ron at ...1740...>
> >
> >
> >> You mean crashing like in signal #11 core dump or the application
> >> doesn't do what's wanted?
> >>
> >> Which version of Gambas?
> >>
> >> There where a few serial port related bug fixes.
> >> http://gambas.sourceforge.net/en/changelog2.html
> >>
> >> I use a lot (10) serial ports in my gambas app. 24/7 but I do not use
> >> xon/off.
> >>
> >> Regards,
> >> Ron.
> >>
> >>> The communication parameters are 9600, 8, n, 1, Xon/Xoff.
> >>>
> >>> 2010/4/21 Doriano Blengino <doriano.blengino at ...1909...>
> >>>
> >>>
> >>>
> >>>> Robert JUHASZ ha scritto:
> >>>>
> >>>>
> >>>>> All the parameters are the same obtained by autoconfig, except the
> UART
> >>>>> which was undefined for the added ports.
> >>>>> I set this parameter to the same value as for the working one: 16550A
> >>>>>
> >> (in
> >>
> >>>>> fact I tried all the possible UART parameters and where the port was
> >>>>>
> >>>>>
> >>>> working
> >>>>
> >>>>
> >>>>> it behaves always the same: short test messages pass but in the real
> >>>>>
> >> work
> >>
> >>>>> environment it crashes).
> >>>>>
> >>>>>
> >>>>>
> >>>> Do you have some sort of handshaking?
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>
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