#include <avr/io.h>
#include <stdint.h>
#include <avr/interrupt.h>
#include <util/delay.h>
#include <stdio.h>
#include <util/delay.h>
#ifndef F_CPU
#define F_CPU 8000000UL
#endif
//wait
int wait1;
int wait2;
int wait3;
int Wert;

void set_Portb(int Port_b);
void reset_Portb(int Port_b);
void wait(int wait2);/*Funktiond Header der Funktion wait*/

int main(void)
{
DDRB = 0xFF;
/* Enable SPI, Master, set clock rate fck/16 */
SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR0);
wait (1);
reset_Portb(PA4);
set_Portb(PA6);
wait (1000);
set_Portb(PA4);
SPDR = 0x40;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0xA1;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0xC0;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0xA6;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0xA2;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0x2D;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0x23;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0x81;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0x1F;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0xAC;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0x00;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
set_Portb(PA4);
SPDR = 0xAF;
reset_Portb(PA4);
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
wait (1000);
for(;;)
{
set_Portb(PA4);
SPDR = 0b00001101;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
SPDR = 0b01001101;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
SPDR = 0b00111101;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
SPDR = 0b000011011;
/* Wait for transmission complete */
while(!(SPSR & (1<<SPIF)));
}
}


void reset_Portb(int Port_b)
{
PORTB &= ~(1<<Port_b) ;
return;
}
void set_Portb(int Port_b)
{
PORTB |= (1<<Port_b) ;
return;
}
void wait(int wait2)
{
wait1 = wait2/60;/*Eingegebenen Wert x (z.B.: wait(7000) ) durch 60ms Wartezeit teilen*/

for (wait3 = 1; wait3 <=wait1; wait3++) //_delay_ms(60) y mal ausführen

_delay_ms(60); /*maximal mögliche Delay-Zeit: 262,14ms/F_CPU in MHz
                        z.B.: Bei 8Mhz = 32,77ms--Bei ´4Mhz ca. 65 */ 
return;
}