com port list

[Erez D]

On Tue, Aug 31, 2010 at 12:15 PM, ik <idokan at gmail.com> wrote:

> You can use the sysfs for example. It's "actual" path inthe file system
> that represent information about the system of Linux, so any real COM port
> will have a directory with the device name and inside information about the
> port itself.
>
> I do not know regarding COM how it will look like, but for example for
> ethernet it looks like this (just for the sake of understanding):
> /sys/class/net/
>
> For COM I guess it will be /sys/class/tty/ (Not sure tough, I do not have a
> machine with COM at all to check it on).
>
i have many files under /sys/class/tty which are not serial ports
i also have 4 which are ttyS0..ttyS3, although i do not have any serial port
connected
and there is no link to the actual dev (although there is a file which
includes the major and minor device numbers)

thanks,
erez.

>
> Ido
> http://ik.homelinux.org/
>
>
> 2010/8/31 Erez D <erez0001 at gmail.com>
>
>>  hi
>>
>> I am looking for a simple way to know which serial ports i have.
>> I want to have a list of all serial ports, either onboard, via usb, via
>> bluetooth etc ...
>> I'm looking for a better way than scanning /dev/ttyS* /dev/ttyUSB*
>> /dev/usb/... etc ...
>>
>>
>> In cygwin I just look under
>> /proc/registry/HKEY_LOCAL_MACHINE/HARDWARE/DEVICEMAP/SERIALCOMM/
>> is there somthing similiar in linux (probably somewhere in /proc) ?
>>
>> thanks,
>> erez.
>>
>>
>> _______________________________________________
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>> Linux-il at cs.huji.ac.il
>> http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
>>
>>
>
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