void M16_Init(void)
{
// Input/Output Ports initialization
// Port A initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTA=0x1F;
DDRA=0x7C;

// Port B initialization
// Func7=Out Func6=Out Func5=Out Func4=Out Func3=In Func2=Out Func1=Out Func0=Out 
// State7=0 State6=0 State5=0 State4=0 State3=T State2=0 State1=0 State0=0 
PORTB=0x00;
DDRB=0xD3;

// Port C initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTC=0x00;
DDRC=0x00;

// Port D initialization
// Func7=In Func6=In Func5=In Func4=In Func3=In Func2=In Func1=In Func0=In 
// State7=T State6=T State5=T State4=T State3=T State2=T State1=T State0=T 
PORTD=0x00;
DDRD=0x08;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 7.813 kHz
// Mode: Normal top=FFh
// OC0 output: Disconnected
TCCR0=0x00;
TCNT0=0x3D;
OCR0=0x00;
TCCR0=0x05;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 7.813 kHz
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: On
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
 TCCR1B = 0x00; //stop
 TCNT1H = 0xFB; //setup
 TCNT1L = 0x6D;
 OCR1AH = 0x04;
 OCR1AL = 0x93;
 OCR1BH = 0x04;
 OCR1BL = 0x93;
 ICR1H  = 0x04;
 ICR1L  = 0x93;
 TCCR1A = 0x00;
 TCCR1B = 0x05; //start Timer

// Timer/Counter 2 initialization
// Clock source: System Clock
// Clock value: Timer 2 Stopped
// Mode: Normal top=FFh
// OC2 output: Disconnected
ASSR=0x00;
TCCR2=0x00;
TCNT2=0x00;
OCR2=0x00;

// External Interrupt(s) initialization
// INT0: On
// INT1: Off
// INT2: Off
GICR|=0x40;
MCUCR=0x00;
MCUCSR=0x00;
GIFR=0x40;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x05;

// USART initialization
// Communication Parameters: 8 Data, 1 Stop, No Parity
// USART Receiver: On
// USART Transmitter: On
// USART Mode: Asynchronous
// USART Baud Rate: 9600
UCSRA=0x00;
UCSRB=0x98;
UCSRC=0x86;
UBRRH=0x00;
UBRRL=0x33;

// Analog Comparator initialization
// Analog Comparator: Off
// Analog Comparator Input Capture by Timer/Counter 1: Off
ACSR=0x80;
SFIOR=0x00;

// Global enable interrupts
#asm("sei") 
if(InitialCC1000())         
   bell_counter=3;

}