Re: TI-H: Infrared control

To: ti-hardware@lists.ticalc.org
Subject: Re: TI-H: Infrared control
From: Grant Stockly <gussie@alaska.net>
Date: Mon, 3 May 1999 15:07:27 -0800
Delivered-To: ti-hardware-outgoing@towerguard.unix.edu.sollentuna.se
Delivered-To: ti-hardware@lists.ticalc.org
In-Reply-To: <000901be9590$37d9c340$887afcd1@jeffd>
Reply-To: ti-hardware@lists.ticalc.org

I also seriously doubt that its IrDA the thing transmits.

Go to philips www site and look at their RC5 stuff.


>>Well, I have my share of universal remotes, but eventually I would
>>appreciate testers.
>>The range of the port seems to be no more than a foot or so in somewhat
>>lighted situations. Apparently infrared works much better in dark
>>situations. But that is not really the problem anyway.
>>With regard to regular remote controls being able to communicate with
>IrDA -
>>well, the CE device can read from the remote, and only when a remote button
>>is pressed, so there is *something* going on there. The question I have is:
>>how do I interpret that something.
>>
>>Here are some samples:
>>Sony stereo:
>>-64 -64 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -64 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -64 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -32 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -32 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -32 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -32 -32 -64 -32 0 0 0 -32 0 -64 0 -32
>>-64 -32 -64 -64 -32 0 0 0 -32
>>(tabulated by me - weird that it is all the same, I pressed random buttons)
>>Panasonic TV:
>>0 112 -4 112 60 14 -16 56 30 7 112 60 -2 112 60 30 7 112 60 30 7 112 60 30
>7
>>112 60 30 112 -4 -16 -16 -16 112 60 -2 112 -4 -16 -16 -16 112 -4 -16 0
>>112 -4 112 60 14 112 60 30 112 60 30 -1 112 60 14 112 60 30 112 -4 112 60
>30
>>112 60 30 7 112 -4 -16 -16 -16 112 60 -2 112 -4 -16 -16 -16 112 -4 -16 0
>>112 -4 112 60 14 112 60 30 112 60 30
>>(These are simply the raw data read in from the IrDA port (treated as a
>>serial port, standard Win32 CreateFile(), ReadFile() etc.)
>>
>>One thing I am considering: Maybe I am not reading from the port fast
>>enough? These devices have limited speed, but who knows. Maybe it is too
>>slow because I am wasting time refreshing the display each time?
>>
>>Again, any help and/or information is appreciated,
>>   Eilon Lipton
>>   yoe@mediaone.net
>>
>>
>>> -----Original Message-----
>>> From: owner-ti-hardware@lists.ticalc.org
>>> [mailto:owner-ti-hardware@lists.ticalc.org]On Behalf Of Gearry R.
>>> Judkins
>>> Sent: Monday, May 03, 1999 9:37 AM
>>> To: ti-hardware@lists.ticalc.org
>>> Subject: RE: TI-H: Infrared control
>>>
>>>
>>>
>>> If you need help tinkering with the code and testing, I would be
>>> willing to
>>> help. I have piles of remotes and some universal ones that can do lots of
>>> different outputs.  I would be willing help, but I will admit that I am
>no
>>> expert.  I wonder what the range is of the port on the HPC?  I am also
>not
>>> sure that a normal TV remote is able to communicate correctly
>>> with the IRdA
>>> port on the HPC, but I bet that Grant knows :) .  This is one of
>>> the things
>>> that makes me wish I had a palm pilot, however I hate graffiti so
>>> I guess I
>>> will have to live.
>>> Gearry
>>>
>>> > -----Original Message-----
>>> > From: owner-ti-hardware@lists.ticalc.org
>>> > [mailto:owner-ti-hardware@lists.ticalc.org]On Behalf Of Eilon Lipton
>>> > Sent: Thursday, April 29, 1999 7:02 PM
>>> > To: TI-Hardware
>>> > Subject: TI-H: Infrared control
>>> >
>>> >
>>> >
>>> >    This is not really related to TI calculators specifically, but then
>>> > again, 90% of the posts here are nothing to do with computers anyway.
>>> >    Does anybody here have information on using IrDA (a standard
>>> > for infrared
>>> > communications) to control actual devices, such as stereo systems, TVs,
>>> > etc.? I wrote a program for my Handheld PC running Windows CE
>>> that simply
>>> > reads 100 bytes from the IrDA port. At first it just waits. But
>>> > then if you
>>> > take a remote control, as long as you hold down a button, the HPC
>>> > (Handheld
>>> > PC) can read from the port. Once 100 bytes are done, my program
>>> > finishes. I
>>> > have tried to examine the input from Panasonic and Sony remote
>>> > controls and
>>> > each seems unique in its one way, but I cannot seems to
>>> > understand how they
>>> > send their information.
>>> >    I have tried examining other programs that use infrared for
>>> > other things
>>> > but no success. Any information is appreciated.
>>> >
>>> > Eilon Lipton
>>> > yoe@mediaone.net
>>> >
>>> >
>>>
>>>
>>>
>>
>>
References:
Re: TI-H: Infrared control
From: "Jeff Dezur" <jeffd@wwnet.net>