pic16f887 as counter

[Chirag R. Patel]

hello everyone
i want to make the programme on pic16f887.
i want to press RA4 pin 5 times and at fifth time RD0 should be on.
how to do that i tried too much but i couldnt do that
olz hepl me
thanks

#include <htc.h>
#define _XTAL_FREQ 4000000
void main()
{
ANSEL = 0;
ANSELH = 0;
PORTA=0;
TRISA = 1;
TMR0 = 0;
GIE = 0;
PEIE = 0;
T0IE = 0;
T0IF = 0;
T0CS = 1;
T0SE = 0;
PSA= 0;
PS0 = 0;
PS1 = 0;
PS2 = 0;

while(1)
{
}
static void interrupt isr();
{

if (T0IF==1)
GIE=0;
//if(TMR0==5) {
RD0=1;
//{
//RD0 = 1;
//}

}
}

 

[milan.rajik]

Try this.

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Code C - [expand]
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#include <htc.h>
 
#define _XTAL_FREQ 4000000 
 
#define LED PORTDbits.RD0
 
 
unsigned char counter = 0;
 
void main() {
 
    ANSEL = 0x00;
    ANSELH = 0x00;
 
    TRISA = 0x10;
    PORTA = 0x00;
    
    TRISB = 0x00;
    PORTB = 0x00;
 
    TRISC = 0x80;
    PORTC = 0x00;
    
    TRISD = 0x00;
    PORTD = 0x00;   
 
    while(1) {
        
        if((PORTA & 0x10) && (counter < 5)) {
            _delay_ms(50);
            while((PORTA & 0x10) && (counter < 5));
            ++counter;
        }
 
        if(counter == 5) {
            LED = 1;
            counter = 0;
        }
 
    }
}

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