/
scrolling&reverse.c
75 lines (72 loc) · 1.31 KB
/
scrolling&reverse.c
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#ifndef F_CPU
#define F_CPU 1600000UL
#endif
#include <avr/io.h>
#include <util/delay.h>
int main(void)
{
DDRA = 0XFF;
while (1)
{
PORTA=1<<PA0;
_delay_ms(1000);
PORTA=0<<PA0;
_delay_ms(1000);
PORTA=1<<PA1;
_delay_ms(1000);
PORTA=0<<PA1;
_delay_ms(1000);
PORTA=1<<PA2;
_delay_ms(1000);
PORTA=0<<PA2;
_delay_ms(1000);
PORTA=1<<PA3;
_delay_ms(1000);
PORTA=0<<PA3;
_delay_ms(1000);
PORTA=1<<PA4;
_delay_ms(1000);
PORTA=0<<PA4;
_delay_ms(1000);
PORTA=1<<PA5;
_delay_ms(1000);
PORTA=0<<PA5;
_delay_ms(1000);
PORTA=1<<PA6;
_delay_ms(1000);
PORTA=0<<PA6;
_delay_ms(1000);
PORTA=1<<PA7;
_delay_ms(1000);
PORTA=0<<PA7;
_delay_ms(1000);
PORTA=1<<PA6;
_delay_ms(1000);
PORTA=0<<PA6;
_delay_ms(1000);
PORTA=1<<PA5;
_delay_ms(1000);
PORTA=0<<PA5;
_delay_ms(1000);
PORTA=1<<PA4;
_delay_ms(1000);
PORTA=0<<PA4;
_delay_ms(1000);
PORTA=1<<PA3;
_delay_ms(1000);
PORTA=0<<PA3;
_delay_ms(1000);
PORTA=1<<PA2;
_delay_ms(1000);
PORTA=0<<PA2;
_delay_ms(1000);
PORTA=1<<PA1;
_delay_ms(1000);
PORTA=0<<PA1;
_delay_ms(1000);
PORTA=1<<PA0;
_delay_ms(1000);
PORTA=0<<PA0;
_delay_ms(1000);
}
}