> I can say one thing in agreement with you- I've yet to see a decent free
> UART driver for the PIC on the web. Even Fr. Thomas McGahee's, which is
> the best I've seen, has some problems when applied to real systems. His is
> really intended as a Tutorial - and it is excellent in that regard. It
> points out many of the pit falls associated with interfacing with PIC's
> USART. But for a real system where serial data is coming in and going out
> while the PIC is busy doing stuff, you need to be able to handle these
> tasks simultaneously. There are many approaches to this problem, and
> depending on the system requirements each has its merit. I tend to prefer
> interrupt driven code with circular buffers for the transmit and the
> receive processes. If memory is an issue, then polled drivers may be more
> appropriate. Maybe someone one day will release a driver based on his
> code...

I have, as I said in the very message you responded to.  See the UART
template module at http://www.embedinc.com/pic.  I've used this code with
occasional customization in several commecial projects.


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