I'm trying to mimic a rolling xy chart like an oscilliscope has on my GLT240128. I had hoped to print a pixel at the right side of a strip chart area, then shift the chart left, then print the next pixel, then shift the chart left etc etc However, this method turned out to be worthless when I realiz...

drkidd22 wrote: WriteUSART(0xFE);

After every writeUSART() command you will need a while (BusyUSART());
The PIC's hardware USART has no buffer, so when you write two things back to back it will hose things.

Ok, I figured it out. I was under the impression that the config jumper needed to stay ON during this entire process. I removed it at some point and things started popping into place. Please make your manuals more clear. If a super smarty like me can't get it right, there must be thousands of others...

Ok here goes. To reset the setup process I power the board with the config jumper OFF At that point I can see "Invalid" with perfect contrast etc displayed at the top left of the screen. I then power the board off. I put the config jumper ON I power the board on. Displayed here are the two...

I'm using an X-Board to control (hopefully) a non Matrix Orbital display. The X-Board has PCB version R2.1 The LCD is a 20x4 that I picked up from sparkfun. http://www.sparkfun.com/commerce/product_info.php?products_id=256 The data sheet is here http://www.sparkfun.com/datasheets/LCD/16433aoe.pdf Th...