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Date:      Thu, 20 May 1999 13:03:21 -0600
From:      Warner Losh <imp@harmony.village.org>
To:        Christopher Masto <chris@netmonger.net>
Cc:        Evan Tsoukalas <evan@falcon.sourcee.com>, freebsd-mobile@FreeBSD.ORG
Subject:   Re: Sony VAIO 505TS 
Message-ID:  <199905201903.NAA06833@harmony.village.org>
In-Reply-To: Your message of "Thu, 20 May 1999 11:47:43 EDT." <19990520114743.A21923@netmonger.net> 
References:  <19990520114743.A21923@netmonger.net>  <19990520000832.A27034@netmonger.net> <19990519130507.A7848@falcon.sourcee.com> <19990520000832.A27034@netmonger.net> <199905200711.BAA04332@harmony.village.org> 

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In message <19990520114743.A21923@netmonger.net> Christopher Masto writes:
: Actually, the devices that I most want to talk to are my PalmPilot and
: digital camera, which I think both use SIR.
: It should be possible to
: pretend the IR port is just a 16550.  

That is SIR mode.  SIR just means SLOW IR, so is limited to 115200
baud.  The 505TS will do FIR as well.

: It is detected when I set the
: address and IRQ correctly, but when I ran "cu", it didn't seem to
: transmit anything.  I just looked at it through a video camera which
: is very sensitive to IR, and I saw nothing while typing characters.

At any speed above 2400 baud, I dodbt that you'd actually see the
characters transmitted.  The on time is very very short (on the order
of < 1mS).

: It also received nothing when I beamed my pilot or digital camera at
: it.  I suspect it needs some initialization, but haven't had much
: time to wade through the specs (I think it uses the SMC IRCC chip).

You won't.  The IrDA stuff has the master broadcasting before the
slaves will respond.  There is a protocol that needs to happen...

Warner


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