Код: Выделить всё
// Crystal Oscillator division factor: 256. 4800000/256=18750;
// Crystal Oscillator division factor: 1
#pragma optsize-
CLKPR=(1<<CLKPCE);
CLKPR=(0<<CLKPCE) | (0<<CLKPS3) | (0<<CLKPS2) | (0<<CLKPS1) | (0<<CLKPS0);
#ifdef _OPTIMIZE_SIZE_
#pragma optsize+
#endif
// Input/Output Ports initialization
// Port B initialization
// Function: Bit5=In Bit4=In Bit3=Out Bit2=In Bit1=In Bit0=In
DDRB=(0<<DDB5) | (0<<DDB4) | (1<<DDB3) | (0<<DDB2) | (0<<DDB1) | (0<<DDB0);
// State: Bit5=T Bit4=P Bit3=1 Bit2=T Bit1=P Bit0=T
PORTB=(0<<PORTB5) | (1<<PORTB4) | (1<<PORTB3) | (0<<PORTB2) | (1<<PORTB1) | (0<<PORTB0);
// ADC initialization
// ADC Clock frequency: 150,000 kHz
// ADC Bandgap Voltage Reference: Off
// ADC Auto Trigger Source: Timer0 Compare Match A
// Digital input buffers on ADC0: On, ADC1: On, ADC2: On, ADC3: On
DIDR0|=(0<<ADC0D) | (0<<ADC2D) | (0<<ADC3D) | (0<<ADC1D);
ADMUX=FIRST_ADC_INPUT | ADC_VREF_TYPE;
ADCSRA=(1<<ADEN) | (0<<ADSC) | (1<<ADATE) | (0<<ADIF) | (1<<ADIE) | (1<<ADPS2) | (1<<ADPS1) | (0<<ADPS0);
ADCSRB=(0<<ADTS2) | (1<<ADTS1) | (1<<ADTS0);
// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 150,000 kHz
// Mode: CTC top=OCR0A
// OC0A output: Disconnected
// OC0B output: Disconnected
// Timer Period: 1 ms
TCCR0A=(0<<COM0A1) | (0<<COM0A0) | (0<<COM0B1) | (0<<COM0B0) | (1<<WGM01) | (0<<WGM00);
TCCR0B=(0<<WGM02) | (0<<CS02) | (1<<CS01) | (1<<CS00);
TCNT0=0x00;
OCR0A=0x95;
OCR0B=0x00;
TIMSK0=(0<<OCIE0B) | (1<<OCIE0A) | (0<<TOIE0);
#asm("sei")
