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lcd pic18f2685

 
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parain



Joined: 06 Jan 2008
Posts: 2

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lcd pic18f2685
PostPosted: Sun Jan 06, 2008 5:27 am     Reply with quote
Hi, I have a pic 18f2685 lcd with a 128-64 ag-12864 controller with ks108b.
The library lcd.c does'nt works with this pic
I tried with glcd.c, I get a compiler but nothing appears on the screen
Can use to give me advice
Thanks
coast



Joined: 03 Jan 2008
Posts: 6
Location: WALDERSLADE, KENT,UK

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PIC SETUP
PostPosted: Sun Jan 06, 2008 8:34 am     Reply with quote
YA NEED TO EXPLICITLY SET UP THE PORTS. nOTE ESPECIALLY THE PORT B BITS 0 TO 4 ARE SET AS ANALOG INPUTS AT POWER-UP (damn caps lock key!!) Start by looking at the i/o ports section in the data sheet and assume nothing. The devil is in some of the detail. We normally set up a simple "bit bashing" program and look at all the port pins while driving them up and down...view on a scope after setup of all tris etc etc to ensure we can do what we think we can with the bits.
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