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From: Gorka Guardiola <paurea@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] usb/serial control open
Date: Sun, 23 Mar 2014 20:47:59 +0100	[thread overview]
Message-ID: <CACm3i_j9qm4bDYQzWhw6OYhQUXW0v3VY5ar5dt2TCwOFTrJ=nw@mail.gmail.com> (raw)
In-Reply-To: <40707a306f2cb1caf97b21f639f8a9f5@brasstown.quanstro.net>

>
> so if i do this
>
>         echo l7>/dev/eiaU6/eiaUctl
>         cat /dev/eiaU6/eiaUctl
>
> that's two opens, isn't it?  then isn't l reset to 8 by the second
> open?
>

It has been a while and I don´t have the code at hand now, but once
it is at a known state, it shouldn´t set it again, that is probably a bug.

It should be something like:

if(!setonce){
      setonce = 1;
      serialctl(p, "l8 i1");  /* default line parameters */
}

G.



  reply	other threads:[~2014-03-23 19:47 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-23 18:09 erik quanstrom
2014-03-23 18:34 ` Gorka Guardiola
2014-03-23 18:55   ` erik quanstrom
2014-03-23 19:47     ` Gorka Guardiola [this message]
2014-03-23 19:55       ` Gorka Guardiola
2014-03-23 20:32         ` erik quanstrom
2014-03-23 21:08           ` Gorka Guardiola
2014-03-24  1:49             ` erik quanstrom
2014-03-23 21:32           ` Bakul Shah
2014-03-23 21:53             ` erik quanstrom
2014-03-23 22:02               ` Bakul Shah
2014-03-24  0:32                 ` erik quanstrom
2014-03-24  0:41                   ` Bakul Shah
2014-03-23  5:04                     ` lucio
2014-03-23 19:53   ` Gorka Guardiola

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