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LCD code with PIC16F628

 
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rhein



Joined: 03 Mar 2006
Posts: 4

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LCD code with PIC16F628
PostPosted: Fri Mar 03, 2006 8:01 am     Reply with quote
Hi , i wrote the following code , using the LCD with a PIC16F628, but it doesnt work, i'm using the library mod_lcd.c, that is provided with PCW.i wrote a code in assembly and it works perfectly.

anyone could help me ?
thanks for anyhelp

#include <16f628.h>
#use delay(clock=4000000)
#fuses NOWDT,INTRC_IO,NOPUT,NOPROTECT,NOBROWNOUT,NOMCLR,NOLVP,NOCPD
#include "mod_lcd.c"

void main()
{

setup_ccp1(CCP_OFF);
setup_comparator(NC_NC_NC_NC);
setup_vref(FALSE);

lcd_init();
lcd_putc("\fTeste...\n");

while (true)
{
}
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri Mar 03, 2006 1:08 pm     Reply with quote
Quote:
using the library mod_lcd.c, that is provided with PCW.

I don't think that file comes with PCW. The CCS driver is called LCD.C.
You may have modified LCD.C and renamed as "mod_lcd.c".

You can use the CCS driver with the 16F628, but you need to configure
the driver to use Port B. To do this, make the changes shown in bold
below.

Notice that I have changed #include statement to use the LCD.C driver
(not "mod_lcd.c"). Also notice the #define statement above the
#include. That statement configures LCD.C to use Port B.

Quote:

#include <16F628.h>
#fuses INTRC_IO,NOWDT,NOPUT,NOPROTECT,NOBROWNOUT,NOMCLR,NOLVP,NOCPD
#use delay(clock=4000000)


#define use_portb_lcd 1
#include <lcd.c>

void main()
{
setup_comparator(NC_NC_NC_NC);
setup_vref(FALSE);

lcd_init();
lcd_putc("\fTeste...\n");


while(1);
}
Guest
PostPosted: Fri Mar 03, 2006 1:31 pm     Reply with quote
You're right, i made mess, the driver for lcd that comes with the PCW is LCD.c, so i will do the modifications that you propose.

thanks for the help.

Smile
Guest
PostPosted: Mon Mar 06, 2006 2:20 am     Reply with quote
I think sonicdeejay has posted a nice example in code library. Wink
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