On Mon, 29 Oct 2001, JP wrote:

> suppose I could do that but it would mean calculating the hedating to
> waypoint calculations and distance to waypoint calculations on the PIC.

Oh...  I must have missed something in your original post, I thought you
were just receiving data from the GPS and sending it to the LCD.  So you
really need to send *and* receive to one or both devices?  Where would the
distance and heading calculations be happening now?

Dale

> > On Mon, 29 Oct 2001, JP wrote:
> >
> > > Hi, as the 877 only has one USART I need to share it.  I need to have
> > > it recieving data from my GPS feed and sending data to a Serial LCD
> > > display, these do not need to communicate at the same time but I will
> > > need to isolate the GPS while writing to the LCD as I could corrupt
> > > the programable memory in the GPS.
> >
> > Are you ONLY receiving from the GPS, and ONLY transmitting to the LCD?  If
> > so you have a no-brainer, just connect TxD to the LCD and RxD to the GPS,
> > assuming both can operate at the same bit rate.  Just a thought.

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