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how to setup WDT for this program (12F675)

 
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karthickiw



Joined: 09 Aug 2007
Posts: 82
Location: TN, India

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how to setup WDT for this program (12F675)
PostPosted: Tue Feb 26, 2008 11:07 pm     Reply with quote
hello,

how to setup the WDT for below program...

Code:
#include <12F675.h>
#device adc=8
#use delay(clock=4000000)
#fuses NOWDT,INTRC_IO, CPD, PROTECT, NOMCLR, PUT, BROWNOUT
#byte OSCCAL=0x90
#define GP0 PIN_A0
#define GP1 PIN_A1
#define GP2 PIN_A2
#define GP3 PIN_A3
#define GP4 PIN_A4
#define GP5 PIN_A5
//========================

#use fast_io(a)

#byte ADCON0 = 0x1F
#byte ANSEL = 0x9F
#byte CMCON = 0x19

#rom 0x3ff = {0x3470} // input the calibration code

int rtcc=0,seconds=0;
#int_RTCC
RTCC_isr()
{
   rtcc++;
   if (rtcc == 250)
   {
   seconds++;
   rtcc=0;
   }
    if (seconds==5)
    {
    output_HIGH(GP0);
    seconds=0;
    }
}

void main()
{

ADCON0 = 0; // ADC off
ANSEL = 0; // GPIO pins 0,1,2 and 4 set to all digital
CMCON = 7; // Comparators off

set_timer0(0);
setup_timer_0(RTCC_INTERNAL|RTCC_8_BIT|RTCC_DIV_16);
enable_interrupts(INT_RTCC);
enable_interrupts(GLOBAL);
 
set_tris_a(0b111110); //GP0 output
output_low(GP0);
while(1) {
  }

}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue Feb 26, 2008 11:50 pm     Reply with quote
You should try to do it yourself first. Then if you have problems, ask a
question.

Look at these CCS example files:
Quote:

c:\Program Files\picc\Examples\Ex_wdt.c
c:\Program Files\picc\Examples\Ex_wdt18.c
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