Now that is something I did not see. If the UART is IrDA-compliant, and it can be freed up that eliminates most of the headache. However if it cant be freed up, and all 3 UARTs are being used, that doesnt leave us with many options...
<br><br><div><span class="gmail_quote">On 5/11/07, <b class="gmail_sendername">Joe Pfeiffer</b> <<a href="mailto:email@example.com">firstname.lastname@example.org</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Werner Almesberger writes:<br>>I wrote:<br>>> You could of course try to dual use some UART. I wonder why LIRC<br>>> requires a UART. Does it use it to generate the 38 kHz carrier ?<br>><br>>Ah, postings crossed. Well, given that you have real PWMs, you
<br>>could also consider dual-using one of these, in addition to<br>>dual-using a UART. It all depends on which current-use item you<br>>find most convenient to sacrifice :)<br><br>Two thoughts -- first, one wonders if RTS/CTS handshaking is really used
<br>by the GPS? Maybe the pins could be wired together on the GPS, or<br>even just wire RTS high?<br><br>Second, if either that's feasible or the pin can be dual-used, the<br>spec sheet says the UART is IrDA-compliant. So if it can be used at
<br>all, it ought to be possible to hook up an LED and have it work.<br><br></blockquote></div><br>