Atmega162 macht nach Aus-Einschalten blödsinn

#include <mega162.h>

#include <stdio.h>

#include <i2c.h>

#include <delay.h>

unsigned char value_a;

unsigned char value_b;

unsigned char size;

unsigned char game_size;

unsigned char offset_a;

unsigned char offset_b;

char calc_a=1;

char calc_b=1;

unsigned char drehen(unsigned char value);

void uart1en(unsigned char value);

// USART0 Receiver interrupt service routine

interrupt [USART0_RXC] void usart0_rx_isr(void)

{

char status,data;

status=UCSR0A;

}

// USART1 Receiver interrupt service routine

interrupt [USART1_RXC] void usart1_rx_isr(void)

{

char status,data;

status=UCSR1A;

}

// Timer1 overflow interrupt service routine

interrupt [TIM1_OVF] void timer1_ovf_isr(void)

{

}

void main(void)

{

// Declare your local variables here

// Crystal Oscillator division factor: 1

#pragma optsize-

CLKPR=0x80;

CLKPR=0x00;

#ifdef _OPTIMIZE_SIZE_

#pragma optsize+

#endif

// Input/Output Ports initialization

// Port A initialization

// Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out 

// State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0 

PORTA=0x00;

DDRA=0xFF;

// Port B 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 

PORTB=0x00;

DDRB=0x00;

// Port C initialization

// Func7=Out Func6=Out Func5=Out Func4=Out Func3=Out Func2=Out Func1=Out Func0=Out 

// State7=0 State6=0 State5=0 State4=0 State3=0 State2=0 State1=0 State0=0 

PORTC=0x00;

DDRC=0xFF;

// Port D initialization

// Func7=In Func6=In Func5=In Func4=Out Func3=In Func2=Out Func1=In Func0=In 

// State7=T State6=T State5=T State4=0 State3=T State2=0 State1=T State0=T 

PORTD=0x00;

DDRD=0x14;

// Port E initialization

// Func2=In Func1=In Func0=In 

// State2=T State1=T State0=T 

PORTE=0x00;

DDRE=0x00;

// Timer/Counter 0 initialization

// Clock source: System Clock

// Clock value: Timer 0 Stopped

// Mode: Normal top=0xFF

// OC0 output: Disconnected

TCCR0=0x00;

TCNT0=0x00;

OCR0=0x00;

// Timer/Counter 1 initialization

// Clock source: System Clock

// Clock value: 57,600 kHz

// Mode: Normal top=0xFFFF

// OC1A output: Discon.

// OC1B output: Discon.

// Noise Canceler: Off

// Input Capture on Falling Edge

// Timer1 Overflow Interrupt: On

// Input Capture Interrupt: Off

// Compare A Match Interrupt: Off

// Compare B Match Interrupt: Off

TCCR1A=0x00;

TCCR1B=0x04;

TCNT1H=0x00;

TCNT1L=0x00;

ICR1H=0x00;

ICR1L=0x00;

OCR1AH=0x00;

OCR1AL=0x00;

OCR1BH=0x00;

OCR1BL=0x00;

// Timer/Counter 2 initialization

// Clock source: System Clock

// Clock value: Timer2 Stopped

// Mode: Normal top=0xFF

// OC2 output: Disconnected

ASSR=0x00;

TCCR2=0x00;

TCNT2=0x00;

OCR2=0x00;

// Timer/Counter 3 initialization

// Clock value: Timer3 Stopped

// Mode: Normal top=0xFFFF

// OC3A output: Discon.

// OC3B output: Discon.

// Noise Canceler: Off

// Input Capture on Falling Edge

// Timer3 Overflow Interrupt: Off

// Input Capture Interrupt: Off

// Compare A Match Interrupt: Off

// Compare B Match Interrupt: Off

TCCR3A=0x00;

TCCR3B=0x00;

TCNT3H=0x00;

TCNT3L=0x00;

ICR3H=0x00;

ICR3L=0x00;

OCR3AH=0x00;

OCR3AL=0x00;

OCR3BH=0x00;

OCR3BL=0x00;

// External Interrupt(s) initialization

// INT0: Off

// INT1: Off

// INT2: Off

// Interrupt on any change on pins PCINT0-7: Off

// Interrupt on any change on pins PCINT8-15: Off

MCUCR=0x00;

EMCUCR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization

TIMSK=0x80;

ETIMSK=0x00;

// USART0 initialization

// Communication Parameters: 8 Data, 1 Stop, No Parity

// USART0 Receiver: On

// USART0 Transmitter: On

// USART0 Mode: Asynchronous

// USART0 Baud Rate: 9600

UCSR0A=0x00;

UCSR0B=0x98;

UCSR0C=0x86;

UBRR0H=0x00;

UBRR0L=0x5F;

// USART1 initialization

// Communication Parameters: 8 Data, 1 Stop, No Parity

// USART1 Receiver: On

// USART1 Transmitter: On

// USART1 Mode: Asynchronous

// USART1 Baud Rate: 115200

UCSR1A=0x00;

UCSR1B=0x18; //UCSR1B=0x98;

UCSR1C=0x86;

UBRR1H=0x00;

UBRR1L=0x07;

// Analog Comparator initialization

// Analog Comparator: Off

// Analog Comparator Input Capture by Timer/Counter 1: Off

ACSR=0x80;

// SPI initialization

// SPI disabled

SPCR=0x00;

// I2C Bus initialization

// I2C Port: PORTD

// I2C SDA bit: 7

// I2C SCL bit: 6

// Bit Rate: 100 kHz

// Note: I2C settings are specified in the

// Project|Configure|C Compiler|Libraries|I2C menu.

i2c_init();

// Global enable interrupts

#asm("sei")

      value_a=0;

      value_b=0;

while (1)

      {

      for(value_a=0;value_a!=size;value_a++)

      {

      PORTA=drehen(offset_a+value_a);

      PORTC=drehen(offset_b+value_b);

      delay_us(300);

      }

      for(value_b=0;value_b!=size;value_b++)

      {

      PORTA=drehen(offset_a+value_a);

      PORTC=drehen(offset_b+value_b);

      delay_us(300);

      }

      for(value_a=size;value_a!=0;value_a--)

      {

      PORTA=drehen(offset_a+value_a);

      PORTC=drehen(offset_b+value_b);

      delay_us(300);

      }      

      for(value_b=size;value_b!=0;value_b--)

      {

      PORTA=drehen(offset_a+value_a);

      PORTC=drehen(offset_b+value_b);

      delay_us(300);

      }

      size=20;

      offset_a=offset_a+calc_a;

      if (offset_a>20) calc_a=-1;

      if (offset_a<1 ) calc_a=1;

      offset_b=offset_b+calc_b;

      if (offset_b>20) calc_b=-1;

      if (offset_b<1 ) calc_b=1;

      }

}

//Zum Byte verdrehen 

unsigned char drehen(unsigned char value)

{

unsigned char erg;

unsigned char i;

if (value&0x01) erg=erg+0x80;

if (value&0x02) erg=erg+0x40;

if (value&0x04) erg=erg+0x20;

if (value&0x08) erg=erg+0x10;

if (value&0x10) erg=erg+0x08;

if (value&0x20) erg=erg+0x04;

if (value&0x40) erg=erg+0x02;

if (value&0x80) erg=erg+0x01;

return (erg);

}

void uart1en(unsigned char value)

{

if (value==1)

    {UCSR1B=UCSR1B|0x80;}

    else 

    {UCSR1B=UCSR1B&0x7F;}

}