Вопросы чайника

#include <tiny2313.h>
#include <delay.h>

// Timer 0 overflow interrupt service routine
interrupt [TIM0_OVF] void timer0_ovf_isr(void)
{
PORTD = 0x20;

}

// Timer 0 output compare A interrupt service routine
interrupt [TIM0_COMPA] void timer0_compa_isr(void)
{
PORTD = 0x20;

}


void wait10(void)
{
TCNT1=0;
while(TCNT1<4330)
{PORTB.0=0;
PORTB.1=1;
};
}

void wait11(void)
{
TCNT1=0;
while(TCNT1<4330)
{PORTB.0=1;
PORTB.1=0;
};
}

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
// Func2=In Func1=In Func0=In
// State2=P State1=P State0=P
PORTA=0x07;
DDRA=0x00;

// Port B 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
PORTB=0x00;
DDRB=0xFF;

// Port D initialization
// Func6=In Func5=Out Func4=In Func3=In Func2=In Func1=In Func0=In
// State6=T State5=0 State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x20;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: 4,330 kHz
// Mode: Phase correct PWM top=FFh
// OC0A output: Disconnected
// OC0B output: Disconnected
TCCR0A=0x00; //COM0A1 COM0A0 COM0B1 COM0B0 Резерв Резерв WGM01 WGM00
TCCR0B=0x05; //FOC0A FOC0B Резерв Резерв WGM02 CS02 CS01 CS00
TCNT0=0x00;
OCR0A=0x00;
OCR0B=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 4,330 kHz
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00; //COM1A1 COM1A0 COM1B1 COM1B0 Резерв Резерв WGM11 WGM10
TCCR1B=0x05; //ICNC1 ICES1 Резерв WGM13 WGM12 CS12 CS11 CS10
TCNT1H=0x10; //TCNT115 TCNT114 TCNT113 TCNT112 TCNT111 TCNT110 TCNT19 TCNT18
TCNT1L=0xEA; //TCNT17 TCNT16 TCNT15 TCNT14 TCNT13 TCNT12 TCNT11 TCNT10
ICR1H=0x00; //ICR115 ICR114 ICR113 ICR112 ICR111 ICR110 ICR109 ICR108
ICR1L=0x00; //ICR107 ICR106 ICR105 ICR104 ICR103 ICR102 ICR101 ICR100
OCR1AH=0x00; //OCR1A15 OCR1A14 OCR1A13 OCR1A12 OCR1A11 OCR1A10 OCR1A9 OCR1A8
OCR1AL=0x00; //OCR1A7 OCR1A6 OCR1A5 OCR1A4 OCR1A3 OCR1A2 OCR1A1 OCR1A0
OCR1BH=0x00; //OCR1B15 OCR1B14 OCR1B13 OCR1B12 OCR1B11 OCR1B10 OCR1B9 OCR1B8
OCR1BL=0x00; //OCR1B7 OCR1B6 OCR1B5 OCR1B4 OCR1B3 OCR1B2 OCR1B1 OCR1B0

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// Interrupt on any change on pins PCINT0-7: Off
GIMSK=0x00;
MCUCR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x07; //TOIE1 OCIE1A OCIE1B Резерв OCIE1 OCIE0B TOIE0 OCIE0A

// Universal Serial Interface initialization
// Mode: Disabled
// Clock source: Register & Counter=no clk.
// USI Counter Overflow Interrupt: Off
USICR=0x00;

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

// Global enable interrupts
#asm("sei")

while (1)
{
if(PIND.6==0) OCR0A=10;
else OCR0A=245;
}
}

/*****************************************************
Chip type : ATtiny2313
Clock frequency : 4,433619 MHz
Memory model : Tiny
External SRAM size : 0
Data Stack size : 32
*****************************************************/

#include <tiny2313.h>
#include <delay.h>

// Timer 0 overflow interrupt service routine
interrupt [TIM0_OVF] void timer0_ovf_isr(void)
{
PORTD = 0x20;

}

// Timer 0 output compare A interrupt service routine
interrupt [TIM0_COMPA] void timer0_compa_isr(void)
{
PORTD = 0x20;

}


void wait10(void)
{
TCNT1=0;
while(TCNT1<4330)
{PORTB.0=0;
PORTB.1=1;
};
}

void wait11(void)
{
TCNT1=0;
while(TCNT1<4330)
{PORTB.0=1;
PORTB.1=0;
};
}

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
// Func2=In Func1=In Func0=In
// State2=P State1=P State0=P
PORTA=0x07;
DDRA=0x00;

// Port B 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
PORTB=0x00;
DDRB=0xFF;

// Port D initialization
// Func6=In Func5=Out Func4=In Func3=In Func2=In Func1=In Func0=In
// State6=T State5=0 State4=T State3=T State2=T State1=T State0=T
PORTD=0x00;
DDRD=0x20;

// Timer/Counter 0 initialization
// Clock source: System Clock
// Clock value: Timer 0 Stopped
// Mode: Normal top=FFh
// OC0A output: Disconnected
// OC0B output: Disconnected
TCCR0A=0x00; //COM0A1 COM0A0 COM0B1 COM0B0 Резерв Резерв WGM01 WGM00
TCCR0B=0x00; //FOC0A FOC0B Резерв Резерв WGM02 CS02 CS01 CS00
TCNT0=0x00;
OCR0A=0x00;
OCR0B=0x00;

// Timer/Counter 1 initialization
// Clock source: System Clock
// Clock value: 4,330 kHz
// Mode: Normal top=FFFFh
// OC1A output: Discon.
// OC1B output: Discon.
// Noise Canceler: Off
// Input Capture on Falling Edge
// Timer 1 Overflow Interrupt: Off
// Input Capture Interrupt: Off
// Compare A Match Interrupt: Off
// Compare B Match Interrupt: Off
TCCR1A=0x00; //COM1A1 COM1A0 COM1B1 COM1B0 Резерв Резерв WGM11 WGM10
TCCR1B=0x05; //ICNC1 ICES1 Резерв WGM13 WGM12 CS12 CS11 CS10
TCNT1H=0x10; //TCNT115 TCNT114 TCNT113 TCNT112 TCNT111 TCNT110 TCNT19 TCNT18
TCNT1L=0xEA; //TCNT17 TCNT16 TCNT15 TCNT14 TCNT13 TCNT12 TCNT11 TCNT10
ICR1H=0x00; //ICR115 ICR114 ICR113 ICR112 ICR111 ICR110 ICR109 ICR108
ICR1L=0x00; //ICR107 ICR106 ICR105 ICR104 ICR103 ICR102 ICR101 ICR100
OCR1AH=0x00; //OCR1A15 OCR1A14 OCR1A13 OCR1A12 OCR1A11 OCR1A10 OCR1A9 OCR1A8
OCR1AL=0x00; //OCR1A7 OCR1A6 OCR1A5 OCR1A4 OCR1A3 OCR1A2 OCR1A1 OCR1A0
OCR1BH=0x00; //OCR1B15 OCR1B14 OCR1B13 OCR1B12 OCR1B11 OCR1B10 OCR1B9 OCR1B8
OCR1BL=0x00; //OCR1B7 OCR1B6 OCR1B5 OCR1B4 OCR1B3 OCR1B2 OCR1B1 OCR1B0

// External Interrupt(s) initialization
// INT0: Off
// INT1: Off
// Interrupt on any change on pins PCINT0-7: Off
GIMSK=0x00;
MCUCR=0x00;

// Timer(s)/Counter(s) Interrupt(s) initialization
TIMSK=0x07; //TOIE1 OCIE1A OCIE1B Резерв OCIE1 OCIE0B TOIE0 OCIE0A

// Universal Serial Interface initialization
// Mode: Disabled
// Clock source: Register & Counter=no clk.
// USI Counter Overflow Interrupt: Off
USICR=0x00;

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

// Global enable interrupts
#asm("sei")

for (OCR0A=0x0A; OCR0A<0xF0; OCR0A++);
{
if(OCR0A<0xF0)
{
TCCR0B=0x03;
delay_ms(50);
}
else TCCR0B=0x02;
}
}