Hello friends,
Here's the code for the 7 segment counter, But its not counting....can u tell me reason why its showing 0000 on display....please help me...
Here's the code for the 7 segment counter, But its not counting....can u tell me reason why its showing 0000 on display....please help me...
Code:
#include "Display_utils.h"
char kraj;
unsigned short zz, j, v;
unsigned int i;
unsigned int k;
unsigned short por[4];
void interrupt() {
PORTA = 0;
PORTD = por[v];
PORTA = zz; // turn on appropriate 7seg. display
zz <<= 1;
if (zz > 8u)
zz = 1; // prepare mask for digit
v++ ;
if (v > 3u)
v = 0; // turn on 1st, turn off 2nd 7seg.
TMR0 = 0;
INTCON = 0x20;
}//~
void main() {
OPTION_REG = 0x80;
j = 0;
v = 0;
zz = 1;
TMR0 = 0;
INTCON = 0xA0; // Disable PEIE,INTE,RBIE,T0IE
PORTA = 0;
TRISA = 0;
PORTD = 0;
TRISD = 0;
i = k;
do {
j = i / 1000u ; // prepare digits for diplays
kraj = mask(j);
por[3] = kraj;
j = (char)(i / 100u) % 10u;
kraj = mask(j);
por[2] = kraj;
j = (char)(i / 10u) % 10u;
kraj = mask(j);
por[1] = kraj;
j = i % 10u;
kraj = mask(j);
por[0] = kraj;
Delay_ms(1000);
if (i==k)
{
k=0,k<9999u,k++;
k>9999u,k=0;
Delay_ms(1);
}
} while(1); // endless loop
}//~