So, I was able to run a calibration once. It fixed the 0,0 origin and some accuracy issues.
Ran another cal to further test and it really messed up the functionality.
Found these values in the cal values registers (0x4f-0x5e)
D61C
B941
36A0
FEFA
FF28
00DB
0000
0000
I then set these values back to what the rev 3 data sheet says are defaults:
0x4000
0000
0000
0000
0x4000
0000
0000
0000
Now it always reports the x and y values as the resolution values of 480 and 272 no matter where I touch the screen.
Any ideas?
Are there other values to try?
I did not record the values after the first good cal.
thanks,
Jason