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Help with flashing led

 
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inservi



Joined: 13 May 2007
Posts: 128

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PostPosted: Wed Jun 06, 2007 1:44 am     Reply with quote

Hello,

I assume that 'pin 5 on' is pin 5 high then led off.
Here is a very simple example. I added a sample to the use of the pre-processor for delay and pin 3.

Code:
#include <12F683.h>
#device adc=8

#FUSES NOWDT                   //No Watch Dog Timer
#FUSES INTRC_IO                //Internal RC Osc, no CLKOUT
#FUSES NOCPD                   //No EE protection
#FUSES NOPROTECT               //Code not protected from reading
#FUSES NOMCLR                  //Master Clear pin used for I/O
#FUSES PUT                     //Power Up Timer
#FUSES BROWNOUT                //Reset when brownout detected
#FUSES NOIESO                  //Internal External Switch Over mode disabled
#FUSES NOFCMEN                 //Fail-safe clock monitor disabled

#use delay(clock=8000000)

#define pin5On     output_high( PIN_A5 ) ;
#define pin5Off    output_low( PIN_A5 ) ;
#define pin2On     output_high( PIN_A2 ) ;
#define pin2Off    output_low( PIN_A2 ) ;
#define pin3On     output_high( PIN_A3 ) ;
#define pin3Off    output_low( PIN_A3 ) ;
#define yourDelay 1000

void main()
{

  setup_adc_ports(NO_ANALOGS|VSS_VDD);
  setup_adc(ADC_OFF);
  setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
  setup_timer_1(T1_DISABLED);
  setup_timer_2(T2_DISABLED,0,1);
  setup_comparator(NC_NC);
  setup_vref(FALSE);
  setup_oscillator(OSC_8MHZ);

  while(true) {
 
    output_high( PIN_A5 ) ;
    delay_ms( yourDelay ) ;
    output_low( PIN_A5 ) ;
    delay_ms( yourDelay ) ;

    output_high( PIN_A5 ) ;
    delay_ms( yourDelay ) ;
    output_low( PIN_A5 ) ;
    delay_ms( yourDelay ) ;
   
    output_high( PIN_A5 ) ;
    output_high( PIN_A2 ) ;
    delay_ms( yourDelay ) ;
    output_low( PIN_A5 ) ;
    output_low( PIN_A2 ) ;
    delay_ms( yourDelay ) ;
   
    pin3On ;
    delay_ms( yourDelay ) ;
    pin3Off ;
    delay_ms( yourDelay ) ;

    pin3On ;
    delay_ms( yourDelay ) ;
    pin3Off ;
    delay_ms( yourDelay ) ;
   
  }

}


If this logique is not your, you can easily change the 'output_high' by output_low'

I suppose that your diagram is not complete because so the electronic is not right.

dro.
_________________
in médio virtus
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PostPosted: Tue Jul 10, 2007 12:55 pm     Reply with quote

Inservi, I think that is close to what i need but for LED_on the output has to go low. The outpunt pins are wired to the ground of an oprocoupler and must go low to activate it.


Thanks,
RB8720
inservi



Joined: 13 May 2007
Posts: 128

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PostPosted: Tue Jul 10, 2007 1:43 pm     Reply with quote

Hello,

You are right. you need to change "high" by "low" and "low" by "high".
Using pre-processor is a good way to control this kind of modifications.

dro.
_________________
in médio virtus
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