Initialisierung VS1002 als Slave an ATMEGA8

#include <avr/io.h>

#include <avr/wdt.h>

#include <util/delay.h>

#define led_on PORTD |= ((1 << 1))

#define led_off PORTD &= ~((1 << 1))

#define MP3RES_high PORTD |= ((1 << 7))

#define MP3RES_low PORTD &= ~((1 << 7))

int main (void)

{

  //INIT

    DDRB = 0b11101110;    //MISO & DREQ Eingang

    SPCR = 0b01010001;    //BIT7=0:IntAus

        //BIT6=1:SPI an

        //BIT5=0:IntAus

        //BIT4=1:Master

        //BIT3=0:SCK

        //BIT2=0:L/HFlanke

              //BIT1&2=01:AVRClock16

  DDRC = 0x00;      // Port C Eingang

  PORTC = 0xFF;      // Port C PullUp

  DDRD = 0xFF;      // Port D = Ausgang

  PORTD = 0x00;  

 //////////////////////////////////////////////// 

 //LED Test

  led_on;

  _delay_ms(100);

  led_off;

 //INIT VS1002 gem Kap 8.1 Seite 22 Datasheet

  _delay_ms(10);

  MP3RES_high;  

  while (!(PINB & (1 << 0))){

  }

  led_on;

  do

  {

  }

  while (1);

  return 0;

}