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How to use LCD with 16F877 (not working)

 
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peter_pic



Joined: 18 Jul 2014
Posts: 5

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How to use LCD with 16F877 (not working)
PostPosted: Sun Jun 07, 2015 8:11 am     Reply with quote
Hello guy,

I was wrote simple code for lcd and using pic 16f877 and then simulate on Proteus the result is not working. So, could you help and suggest me for this matter. Please see code as below.
Code:

#include <16F877A.h>
#fuses HS,NOWDT,NOPUT,NOBROWNOUT
#use delay(clock=20000000)
#include "LCD.C"

void main()
{
   lcd_init();

   while(TRUE)
   {
     lcd_gotoxy(1,1);
     printf(lcd_putc," Hello world ");
     lcd_gotoxy(1,2);
     printf(lcd_putc,"LCD TESTING TEXT");
   }
}

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Mike Walne



Joined: 19 Feb 2004
Posts: 1785
Location: Boston Spa UK

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PostPosted: Sun Jun 07, 2015 8:19 am     Reply with quote
This is not a Proteus forum, read the guidelines.

Test with real hardware, then come back.

Try this link.

http://www.ccsinfo.com/forum/viewtopic.php?t=47549
Mike
peter_pic



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PostPosted: Sun Jun 07, 2015 8:34 am     Reply with quote
Thanks,

I was tested with hardware board also, but still not working. As above code wrote follow the book, why not working.

Peter.
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asmboy



Joined: 20 Nov 2007
Posts: 2128
Location: albany ny

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PostPosted: Sun Jun 07, 2015 12:02 pm     Reply with quote
POST A SCHEMATIC of the REAL hardware
and above all your #defines for control pins of the LCD

and the make and model of your ACTUAL LCD display element.

this is your student project , right ?
Quote:
still not working


IS not helpful in describing the nature of the problem.
for instance - lack of proper bias voltage setting can make a working LCD appear to not be.

take it from me - in terms of performance Proteus ISIS tells you NOTHING of real value. it is the reason that long time members roll their eyes when it is mentioned.
peter_pic



Joined: 18 Jul 2014
Posts: 5

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PostPosted: Sun Jun 07, 2015 7:17 pm     Reply with quote
Thanks for your advice.

I just learn for pic microcontroller.

peter
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