74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
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/*
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* Door.cpp
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*
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* Created: 04.09.2014 22:06:23
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* Author: netz
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*/
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#define F_CPU 8000000
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#include <avr/io.h>
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#include <util/delay.h>
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void Init_AIN()
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{
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// Analog Comparator initialization
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// Analog Comparator: On
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// The Analog Comparator's positive input is
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// connected to the AIN0 pin
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// The Analog Comparator's negative input is
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// connected to the AIN1 pin
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// Analog Comparator Input Capture by Timer/Counter 1: Off
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ACSR=(0<<ACD) | (0<<ACBG) | (0<<ACO) | (0<<ACI) | (0<<ACIE) | (0<<ACIC) | (0<<ACIS1) | (0<<ACIS0);
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// Digital input buffer on AIN0: Off
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// Digital input buffer on AIN1: Off
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DIDR=(1<<AIN0D) | (1<<AIN1D);
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}
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void Init_Output()
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{
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DDRB |= (1<<PINB2);
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DDRD |= (1<<PIND5);
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}
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void Init_Timer()
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{
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// Timer/Counter 0 initialization
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// Clock source: System Clock
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// Clock value: 8000,000 kHz
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// Mode: Phase correct PWM top=0xFF
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// OC0A output: Non-Inverted PWM
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// OC0B output: Inverted PWM
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// Timer Period: 0,06375 ms
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// Output Pulse(s):
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// OC0A Period: 0,06375 ms Width: 0,25 us
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// OC0B Period: 0,06375 ms Width: 0,06325 ms
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TCCR0A=(1<<COM0A1) | (0<<COM0A0) | (1<<COM0B1) | (1<<COM0B0) | (0<<WGM01) | (1<<WGM00);
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TCCR0B=(0<<WGM02) | (0<<CS02) | (0<<CS01) | (1<<CS00);
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TCNT0=0x00;
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OCR0A=0x00;
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OCR0B=0x00;
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}
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int main(void)
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{
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Init_AIN();
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Init_Output();
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Init_Timer();
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while(1)
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{
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if(ACSR & (1<<ACO)) {
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if(OCR0A != 0) {
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OCR0A--;
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OCR0B--;
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_delay_ms(1);
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}
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} else {
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if(OCR0A != 0xFF) {
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OCR0A++;
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OCR0B++;
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_delay_ms(6);
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}
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}
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}
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}
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