U23 2007/NoComment/schiebe.c

1. include <avr/io.h>

int main(void) {

       DDRA = 0xFF;

PORTA = 0x00;

// Set OE PORTA |= (1 << 3);

uint16_t i;

uint16_t a; uint16_t b;

for (i = 0 ; i < 16 ; i ++) {

// Clock if ( i % 2 ) { PORTA |= (1 << 2 ); } else { PORTA &= ~ (1 << 2 ); }

PORTA &= ~ (1<<2);

}

// Set and unset Strobe PORTA |= (1 << 0 ) ; for (b = 0; b < 0xffff; b++) { PORTB &= (1 << 1); } PORTA &= ~ (1 << 0 ) ;

for (a = 0; a < 5; a++) { for (b = 0; b < 0xffff; b++) { /* nix */ } }

for ( i = 0; i < 16 ; i ++) {

/* // Set Data if ( ((int) (i/2)) >= 2 && ((int) (i/2)) <= 5) { PORTA &= ~ (1 << 1); } else { PORTA |= (1 << 1); }

• /

if ( ((int) i/2) % 2 ) { PORTA |= (1 << 1); }else { PORTA &= ~ (1 << 1); }

// Clock if ( i % 2 ) { PORTA |= (1 << 2 ); } else { PORTA &= ~ (1 << 2 ); }

// DELAY

// Set and unset Strobe PORTA |= (1 << 0 ) ; PORTA &= ~ (1 << 0 ) ;

// Set OE PORTA |= (1 << 3);

for (a = 0; a < 5; a++) { for (b = 0; b < 0xffff; b++) { /* nix */ } } }

return 0;

}