Hi !


<color><param>7F00,0000,0000</param>> circuit... but the transceiver (HSDL1001) whould work?!? Anyway, I 

> agree IrDA is cool (think EEG + PDA!) but unfortunatily it's not that 

> cheap especially if you go for the super overkill high-speed version 

> (4 Mbits per second). You have to fork out about $80 for a device 

> that connects to the printer port. The serial versions are cheaper. I 



</color>Nobody is talking about the fast mode IrDA (4Mbit). First, we don't 
need these data rates. Second, the design would be much more 
complicated.<FontFamily><param>Symbol</param>




<color><param>7F00,0000,0000</param><FontFamily><param>Arial</param>> found that the serial port Gerbil (what kind of name is that?! :-) 

> costs about $40. And for that price it really should be a primary 

> device. It's not that common that you want to use your PC as a 

> peripheral to your cell-phone or PDA. 


</color>Like I said. It's possible to connect something to the motherboard 
to get full IrDA. <FontFamily><param>Symbol</param>




<color><param>7F00,0000,0000</param><FontFamily><param>Arial</param>> 

> The best way to go is perhaps to build your own tranceiver. Ubicom 

> makes really fast (50MHz+) microcontrollers and has source code for 

> an IrDA (IrComm) stack. Team that with a tranceiver module and you 

> might get away for a lot less, maybe $10.

> 


</color>I was thinking about this too. Acually I built a prototype with a 
Ubicom uC. But it's quite expensive and it will complicate our 
device a lot if we have two different brands of microcontrollers. 


<color><param>7F00,0000,0000</param>> > An interesting note on the second site is that Win 2000 does not 

> > support virtual ports. I thought IrDA data could be read as if it 

> > were from a COM port, but apparently not on Win 2000.


</color>That's maybe not such a big problem. I think there are drivers 
available from third partys (not MS), and even maybe free ones. I 
think there are many people who have the same problems.<FontFamily><param>Symbol</param>


<color><param>7F00,0000,0000</param><FontFamily><param>Arial</param>> > 

> > It looks like the HSDL 7000 does not transmit IrDA but a much 

> simpler 

> > protocol - it "interfaces with IrDA-compliant transceiver". IrDA 

> > would be fun to do because it is becoming a standard in infrared 

> > transmission, but it may be overkill in this situation.


</color>Yes, right. Overkill maybe, but still nice and maybe not so difficult 
to implement with the Microchip chip.



Moritz<FontFamily><param>Symbol</param>


<nofill>
----------------------
Moritz von Buttlar
moritz@v...