Cross-Platform Serial in General

Dan Ingalls Dan at SqueakLand.org
Wed Mar 16 21:25:33 UTC 2005


>On Wednesday 16 March 2005 11:37 am, Dan Ingalls wrote:
>> IrDA:  I wish I knew more about it.  Is it just computer-to-computer, or is
>> it compatible with all the hand-held remote controllers and their hosts
>> like TVs, boom boxes, even some cameras?  It would be cool to write Squeak
> > programs on PDAs that could work as smart remotes.

And Ned replied...
>IrDA is (as I understand) not generally used by TV remote controls.
>
>They instead use a simpler coding scheme, without the block-level checksums,
>etc. that the IrDA protocol specifies.
>
>Of course, once you have IR hardware on a PDA you may be able to drive it to
>put out the TV remote control codes too. One downside might be that you have
>to be very accurate about frequencies and timing; I don't think Squeak can
>reliably put out a 38KHz pulse train with that kind of accuracy on most PDAs.

Just an amp and an emitter on the headphone jack, right?

;-)

But, seriously, we do good sound.
I guess it's just a question of what drivers are available for what wires.

	- D



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