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'[PIC]: 4bit LCD sourcecode for cc5x'
2002\08\11@050200 by Fredrik Axtelius

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Hi!

Anyone have some sourcecode for cc5x to just write "Hello!" on the #¤€"$ LCD display.
Been trying to port some ASM and C code I found but can't get it to work.

tia
/Fredrik

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2002\08\12@013724 by ?utf-8?B?w5ZtZXIgWWFsaMSx?=

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I have tried to port an ASM code to C (IAR C and MPLAB C18) and I had the similar problem.  The LCD would not work, I have tried it for days!  I would appriciate any help as well (using MPLAB C18 and 4Bit)

Regards


Ömer YALHI
spam_OUToyalhiTakeThisOuTspamteksan.com.tr
http://www.teksan.com.tr
Tel : +90 212 613 22 00
Fax: +90 212 544 70 35


{Original Message removed}

2002\08\12@105445 by Dale Botkin

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I use CCS now, but I have some really old code written with CC5X on my web
site that drives an LCD.  Look up my PIC thermometer project.

Dale
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We are Dyslexia of Borg.
Fusistance is retile.
Your ass will be laminated.

> Anyone have some sourcecode for cc5x to just write "Hello!" on the
> #¤€"$ LCD display. Been trying to port some ASM and C code I found
> but can't get it to work.

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2002\08\12@115537 by M. Adam Davis

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Try my code here:
http://www.ubasics.com/adam/electronics/lcd/
Specifically:
http://www.ubasics.com/adam/electronics/lcd/cc5xlcd.c

Note that it uses port A for the LCD.  If your pic isn't a 40pin or has A/D then you need to change all or some of the pin mappings or disable the a/d converters on port A.

Also, remember one of the port A pins in open collector and cannot drive a pin high.  You must use a resistor on this line to pull it high when idle.

I probably should go through and change it to port B by default - there are many fewer gotchas.

Hope this helps!

-Adam

Fredrik Axtelius wrote:

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2002\08\12@132656 by Peter L. Peres

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Of course you all know that there are 44780 clone displays that do NOT
support 4 bit mode. Having said this, At the time I found building a
parallel port interface for the LCD and debugging the protocol like this,
using turbo C under DOS, invaluable. Schematics are on the web or DIY
(just wires from a parallel port to a LCD module and a power supply).

Peter

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