includeiom128vh>includemacrosh>defineucharunsignedchardefineuintunsignedintvoidtimer1_init(voi
#include
#include
#define uchar unsigned char
#define uint unsigned int
void timer1_init(void);
uchar temp=0x01;
void main(void)
{
uchar i,temp;
DDRA = 0XFF;
PORTA = 0XFF;
DDRC = 0XFF;
PORTC = 0XFF;
DDRF |= 0X0E;
PORTF |= 0X0E;
PORTF &= 0xF8;
DDRB |= 0X10;
PORTB |= 0X10;
timer1_init();
SEI();
while(1);
}
void timer1_init(void)
{
TCNT1H = 0xE1;
TCNT1L = 0x7C;
TCCR1A = 0x00;
TCCR1B = 0x05;
TIMSK = 0x04;
}
#pragma interrupt_handler timer1_ovf_isr:15
void timer1_ovf_isr(void)
{
TCNT1H = 0xE1;
TCNT1L = 0x7C;
PORTA=temp;
temp<<=1;
if(temp==0x00)
temp=0x01;
}
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