0,0 → 1,49 |
/**************************************************************************** |
* Copyright (C) 2011 by Claas Anders "CaScAdE" Rathje * |
* admiralcascade@gmail.com * |
* Project-URL: http://www.mylifesucks.de/oss/c-epilepsy/ * |
* * |
* This program is free software; you can redistribute it and/or modify * |
* it under the terms of the GNU General Public License as published by * |
* the Free Software Foundation; either version 2 of the License. * |
* * |
* This program is distributed in the hope that it will be useful, * |
* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
* GNU General Public License for more details. * |
* * |
* You should have received a copy of the GNU General Public License * |
* along with this program; if not, write to the * |
* Free Software Foundation, Inc., * |
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
****************************************************************************/ |
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#include "timer1.h" |
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// 16 bit timer |
// critical for pwm and stuff |
// periodic uncritical stuff should go to the non-blocking timer0 |
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void timer1_init() { |
// CTC Mode |
TCCR1B = (1 << WGM12); |
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// Prescale 8 |
TCCR1B &= ~(1 << CS10); |
TCCR1B |= (1 << CS11); |
TCCR1B &= ~(1 << CS12); |
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// Compare every 100us at 20MHz |
OCR1A = 250; |
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// Compare Interrupt enable |
TIMSK1 |= (1 << OCIE1A); |
} |
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// every 100us |
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ISR(TIMER1_COMPA_vect, ISR_BLOCK) { |
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// every 100us |
led_timer_callback(); |
} |