Subject: Re: /dev/ttyXX for first serial port on NetBSD?
To: Matthias Scheler <tron@zhadum.org.uk>
From: Gilles Gravier <Gilles@Gravier.org>
List: netbsd-users
Date: 04/27/2007 15:27:46
Hi, Matthias!
So it says : com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working fifo
This means that the device is /dev/tty00 ?
Thanks,
Gilles.
Matthias Scheler wrote:
> On Fri, Apr 27, 2007 at 02:54:35PM +0300, Jukka Marin wrote:
>
>> On Fri, Apr 27, 2007 at 01:50:59PM +0200, Gilles Gravier wrote:
>>
>>> What's the /dev/ttyXX for COM1: (i.e. first - only in my case - RS232
>>> port) on an x86 machine?
>>>
>> /dev/tty00
>>
>
> That's correct device file for whatever NetBSD attaches as "com0".
> If you however use "GENERIC" on a system which supports ACPI
> "COM1:" might get attached as "com3" because "com0" to "com2"
> are reservered for serial ports found via ISA probing.
>
> I would recomment checking the output of "grep ^com /var/run/dmesg.boot"
> to figure out the name of the serial device. The device file for
> "com<n>" is "/dev/tty0<n>".
>
> Kind regards
>
>
--
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