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Usage of FAST_GLCD and glcd_update() commands with PIC18F

 
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tugrulzure



Joined: 28 Nov 2008
Posts: 1

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Usage of FAST_GLCD and glcd_update() commands with PIC18F
PostPosted: Fri Jan 02, 2009 11:50 am     Reply with quote
Hello everybody,

I am gonna tell you my problem briefly; I want to use the faster method for driving a ks0108, which is fast_glcd*. When i use it with glcd_text57 or glcd_bar functions, it works just fine.

When it comes to glcd_line(), it doesnt show anything on the graphic lcd.

Here is my simple code; again what i want to do is, first display the bars one by one, clear the screen, then draw the lines from top to bottom one by one.

*When i dont use FAST_GLCD, program executes perfectly.


Code:

#include <18f4685.h>
#fuses HS,NOWDT,NOPROTECT,NOBROWNOUT,NOLVP,NOPUT,NOWRT,NODEBUG,NOCPD

#use delay (clock=6000000)
#define FAST_GLCD
#include <HDM64GS12.c>
#include <graphics.c>


int i,x1,y1,x2,y2;

void main()
{
   
   glcd_init(ON);
   
   while(1)
   {
      glcd_init(ON);
      y2=60;
      x1=5;
      for(i=0;i<8;i++)
      {
         glcd_bar(x1,0,x1,y2,10,ON);
         glcd_update();
         delay_ms(1000);
         x1+=15;
         y2-=5;
      }
      glcd_init(ON);
      x1=5;
      y1=5;
      x2=100;
      y2=5;
     
      for(i=0;i<6;i++)
      {
         glcd_line(x1,y1,x2,y2,ON);
         glcd_update();
         delay_ms(1000);
         y2=y1+=10;
         x2-=10;
         
      }
     
   }
}


What may be the problem that prevents displaying the lines?

Regards
hoss



Joined: 12 Oct 2006
Posts: 9

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PostPosted: Mon Apr 06, 2009 11:19 am     Reply with quote
I have the same problem, but it was working when using one of the 3.x version compilers.
I have just updated to 4.090 to see if it has been fixed again, but it seems not...
tigiyko



Joined: 05 Dec 2011
Posts: 3

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PostPosted: Mon Dec 05, 2011 3:15 am     Reply with quote
I have same problem too. My code works perfectly with glcd_update () function. But when i compiled my code without fast_glcd( it is still working in isis) characters in glcd engaging. Can anyone help me?
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