On Tue, 31 Oct 2000, Scott Newell wrote:
> >rate. The Jeteyes work at any baud rate as a passive RS232 to Infrared
> >Transceiver.
>
> I don't see how that can be...doesn't the dongle need to know how long to
> hold the output line when it sees an incoming IR pulse?
Actually, no. Only the IrDA specification needs to be met. And it says something
to the effect that the pulse may be as short as ~2us (I think it is 1.4 or
1.6us) and as long as 1/4 bit time. So, if you make the pulses short, then the
same setup works for 9600 baud and 115.2kBaud.
>
> >From the driver source code (esi.c), it appears that the JetEye handshake
> lines are used to control the baud rate.
>
> Or am I totally lost here?
No. I suspect you can control the pulse widths produced by a JetEye dongle. (I
personally never have tried). I just know from experience that it is
unnecessary.
Scott
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