37 lines
1,010 B
C
37 lines
1,010 B
C
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/* Copyright © 2020 tyrolyean
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "interrupt.h"
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#include "dac.h"
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#include <avr/interrupt.h>
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void init_interrupts(){
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/* Initialize the timer interrupt */
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TCCR0A = (1 << COM0A1) | (1 << WGM11);
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TCCR0B = (1 << CS02);
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OCR0A = 64; /* Interrupt fires every Millisecond */
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TIMSK0 = (1 << OCIE0A);
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}
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ISR(TIMER0_COMPA_vect)
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{
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update_sound();
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}
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