#include <avr/io.h>    
  #define miso 6
  
  int main (void)
  {
    ddra = 0xff ;      
    ddrb = (1<<miso);    
    spcr = (1<<spe);    
    while(1){  
      spdr = 'g' ;
      while(!(spsr &(1<<spif)));
      porta = spdr ;    
    }  
    return 0 ;
  }