The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: "Mockern" <Mockern@yandex.ru>
To: linux-os@analogic.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: cat, cp operations for tty driver (like for char one)
Date: Fri, 16 Feb 2007 18:28:53 +0300 (MSK)	[thread overview]
Message-ID: <45D5CDB5.000001.19383@webmail15.yandex.ru> (raw)
In-Reply-To: <Pine.LNX.4.61.0702161011080.4199@chaos.analogic.com>

Thank you very much


>On Fri, 16 Feb 2007, Mockern wrote:
>
>> Thanx for your respond.
>>
>> Does it mean I have to change nothing in my tty driver
>> (based on serial_core.c) to use: cat and cp? No "nonstandard " special 
>> functions to implement?
>>
>
>Change nothing. It you are making your own, make sure your iocl() function
>returns the same kinds of errors as the in-kernel one.
>
>You can check out the existing in-kernel driver as:
>
>strace cp filename /dev/ttyS0
>
>
>
>>
>>
>>>
>>> On Thu, 15 Feb 2007, Mockern wrote:
>>>
>>>> I have a question about linux tty driver
>>>>
>>>> how to support cp, cat operations in tty driver (like tiny_tty)?
>>>> (e.g. echo "hello tty" > /dev/ttyS3, cat < ttyS10 etc)
>>>>
>>>> There a lot of examples with char drivers, but I could not find it for tty Linux driver.
>>>>
>>>
>>> It works out of the box. Just keep hardware flow-control turned off
>>> if there are no receivers connected to the output port. Also, you need
>>> to set up the port's baud-rate and (usually) to make it transparent to
>>> control characters (man tc-get/set-attr).
>>>
>>> Cheers,
>>> Dick Johnson
>>> Penguin : Linux version 2.6.16.24 on an i686 machine (5592.61 BogoMips).
>>> New book: http://www.AbominableFirebug.com/
>>> _
>>> \x1a\x04
>>>
>>> ****************************************************************
>>> The information transmitted in this message is confidential and may be privileged.  Any review, retransmission, dissemination, or other use of this information by persons or entities other than the intended recipient is prohibited.  If you are not the intended recipient, please notify Analogic Corporation immediately - by replying to this message or by sending an email to DeliveryErrors@analogic.com - and destroy all copies of this information, including any attachments, without reading or disclosing them.
>>>
>>> Thank you.
>>
>>
>
>Cheers,
>Dick Johnson
>Penguin : Linux version 2.6.16.24 on an i686 machine (5594.84 BogoMips).
>New book: http://www.AbominableFirebug.com/
>_
>\x1a\x04
>
>****************************************************************
>The information transmitted in this message is confidential and may be privileged.  Any review, retransmission, dissemination, or other use of this information by persons or entities other than the intended recipient is prohibited.  If you are not the intended recipient, please notify Analogic Corporation immediately - by replying to this message or by sending an email to DeliveryErrors@analogic.com - and destroy all copies of this information, including any attachments, without reading or disclosing them.
>
>Thank you.


-- 
Сегодня удачный день, чтобы завести почту на Яндексе http://mail.yandex.ru

  reply	other threads:[~2007-02-16 15:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-15 15:08 cat, cp operations for tty driver (like for char one) Mockern
2007-02-15 16:50 ` linux-os (Dick Johnson)
2007-02-16 13:55   ` Mockern
2007-02-16 15:18     ` linux-os (Dick Johnson)
2007-02-16 15:28       ` Mockern [this message]
  -- strict thread matches above, loose matches on Subject: below --
2007-02-16  6:59 Mockern

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=45D5CDB5.000001.19383@webmail15.yandex.ru \
    --to=mockern@yandex.ru \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-os@analogic.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox