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In article <Pine.SO4.4.05.10105291215210.13552-100000@no10.superb.net>,
Dan Boger <dan@peeron.com> wrote:
> On Tue, 29 May 2001, Matthew Miller wrote:
> > > > Not really -- the tower uses its own proprietary communcations
> > > > format.
> > > This isn't true at all. The tower converts an RS-232 serial
> > > transmission
> > > directly into IR and vice-versa. It is a pretty standard protocol.
> >
> > Ooops, sorry. I didn't really mean proprietary -- I meant "not normal
> > for
> > remote controls".
>
> nod, but that made me think if we can use the IrComm package, and use a
> laptop's ir port to communicate with the rcx - didn't get a chance to try
> it yet - did anyone?
>
> Dan
The only IrCOMM I know of is part of the IrDA standard. It provides
something that looks just like a typical serial port to the application,
but underneath is layered on top of IrLAP (packet based link level
prototocol for IrDA). This means that a single byte at the COMM level
turns into a more complicated packet at the physical level.
Furthermore, the physical signalling used by IrDA is different from
Mindstorms.
Dave Baum
--
reply to: dbaum at enteract dot com
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