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Date:      Fri, 27 Oct 2000 07:35:17 -0700
From:      Mike Smith <msmith@mass.osd.bsdi.com>
To:        Alexander Maret <maret@atrada.net>
Cc:        "'Poul-Henning Kamp'" <phk@critter.freebsd.dk>, "'freebsd-hackers@freebsd.org'" <freebsd-hackers@freebsd.org>
Subject:   Re: Accessing the tty structure of an opened device 
Message-ID:  <200010271435.e9REZHF00426@mass.osd.bsdi.com>
In-Reply-To: Your message of "Fri, 27 Oct 2000 15:29:50 %2B0200." <58A002A02C5ED311812E0050044517F00D2614@erlangen01.atrada.de> 

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> That's what I wanted to do. I wanted to write a character device
> which on read() passes the last IR-code.
> 
> Well as Mike Smith told me: "you cannot poll the serial line at 
> anything like a useful speed to perform IR decoding" my hopes are
> all gone to get a simple solution.
> 
> Do I have to write my own serial driver to get what I want or
> is it possible to use functions of the "build in" serial
> device driver?

You will need to write your own.  Even then, polling an inbound signal is 
not going to be reliable.  Use a UART or some other appropriate hardware 
decoder.

-- 
... every activity meets with opposition, everyone who acts has his
rivals and unfortunately opponents also.  But not because people want
to be opponents, rather because the tasks and relationships force
people to take different points of view.  [Dr. Fritz Todt]
           V I C T O R Y   N O T   V E N G E A N C E




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