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| #include <htc.h>
#define _XTAL_FREQ 4e6 // 4MHz
__CONFIG(0x3FFA);
void delay(unsigned int k)
{for(int i=0;i<=k;i++)}
void pattern(unsigned int a,b,c,d,e,f,g,h,i,j)
{
for(int z=0;z<9;z++)
{ for(int z=0;z<10;z++)
{
PORTB=a;delay(100);RA0=1;RA0=0;
PORTB=b;delay(100);RA0=1;RA0=0;
PORTB=c;delay(100);RA0=1;RA0=0;
PORTB=d;delay(100);RA0=1;RA0=0;
PORTB=e;delay(100);RA0=1;RA0=0;
PORTB=f;delay(100);RA0=1;RA0=0;
PORTB=g;delay(100);RA0=1;RA0=0;
PORTB=h;delay(100);RA0=1;RA0=0;
PORTB=i;delay(100);RA0=1;RA0=0;
PORTB=j;delay(100);RA0=1;RA0=0;
}
(a=a<<1);
(b=b<<1);
(c=c<<1);
(d=d<<1);
(e=e<<1);
(f=f<<1);
(g=g<<1);
(h=h<<1);
(i=i<<1);
(j=j<<1);
}
}
void main()
{
TRISB=0;TRISA=11100;PORTA=0;PORTA=2;PORTA=1;PORTA= 0;
while(1)
{
pattern(28,20,54,34,99,127,127,99,65,65); //LETTER A
pattern(124,102,99,99,126,126,99,99,102,124); //LETTER B
pattern(62,127,99,96,96,96,96,99,127,62); //LETTER C
pattern(124,126,103,99,99,99,99,103,126,124); //LETTER D
pattern(127,127,96,96,124,124,96,96,127,127); //LETTER E
}
} |