[fpc-pascal] How to detect serial/usb-serial ports.

Fabio Luis Girardi fluisgirardi at gmail.com
Thu Jul 28 01:59:36 CEST 2011


I'm a little curious to know how vmware workstation lists the serial
ports on linux. It's the unique software that does this right that I
know.


Regards,

Fabio


2011/7/27 Mark Morgan Lloyd <markMLl.fpc-pascal at telemetry.co.uk>:
> P.vanderWal wrote:
>>
>> Debian and Ubuntu
>>
>> grtjs Piet
>>
>> ----- Original Message ----- From: "Felipe Monteiro de Carvalho"
>> <felipemonteiro.carvalho at gmail.com>
>> To: "FPC-Pascal users discussions" <fpc-pascal at lists.freepascal.org>
>> Sent: Wednesday, July 27, 2011 10:39 AM
>> Subject: Re: [fpc-pascal] How to detect serial/usb-serial ports.
>>
>>
>>> For which operating system?
>
> I'd expect (recent versions of) those to only create devices that were known
> to exist. I detect what's available by looking for up to 12 /dev/ttyS*, 8
> /dev/ttyUSB* and 4 /dev/ttyI*, then later checking that they can actually be
> opened (bearing in mind that this might glitch a control line).
>
> It's worth noting that a few weeks ago I was updating the standard serial.pp
> unit and noticed that Solaris designated serial ports as /dev/ttya and
> /dev/ttyb.
>
> Windows of course is \COM1, or strictly \\.\COM1 etc.; I note Fabio's test
> but in the past have used the registry to find e.g. named ports simulated by
> an AVR box.
>
> --
> Mark Morgan Lloyd
> markMLl .AT. telemetry.co .DOT. uk
>
> [Opinions above are the author's, not those of his employers or colleagues]
> _______________________________________________
> fpc-pascal maillist  -  fpc-pascal at lists.freepascal.org
> http://lists.freepascal.org/mailman/listinfo/fpc-pascal
>



More information about the fpc-pascal mailing list