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What is happening with this code!!!

 
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pilar



Joined: 30 Jan 2008
Posts: 197

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What is happening with this code!!!
PostPosted: Thu Jul 08, 2010 8:06 pm     Reply with quote
Hi, I'm already going crazy with this short code!!! Evil or Very Mad , this code works perfectly in a Pic16F877 at 20MHz, including the simulation with Proteus also works, but I can not do work in a PIC18F452. I already tried with three PIC18F452 !!! and none works, someone could say This is my mistake?

Here is my code:
Code:
#include <18F452.h>
#fuses HS,NOWDT,NOPROTECT,NOLVP,NOBROWNOUT
#use delay(clock=20000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7, ERRORS)// RS232 Estándar

void main(){
   
while(TRUE){
   printf("Hello Word!!!\r\n");
     delay_ms(200); 
   }
}
ckielstra



Joined: 18 Mar 2004
Posts: 3680
Location: The Netherlands

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PostPosted: Thu Jul 08, 2010 10:02 pm     Reply with quote
The code is oké, your problem is somewhere different.

Try the next test program. Connect a LED or scope to the output pin.
This program is simpler to avoid RS232 (hardware) problems and it can be used to test the program is running at the correct frequency.
Code:
#include <18F452.h>
#fuses HS,NOWDT,PUT,NOLVP,NOBROWNOUT
#use delay(clock=20000000)

void main()
{
   while(TRUE)
   {
      output_toggle(PIN_C1);
      delay_ms(1000);
   }
}

Post your compiler version number.
pilar



Joined: 30 Jan 2008
Posts: 197

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PostPosted: Fri Jul 09, 2010 8:41 am     Reply with quote
Thank...
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