bzr branch
http://bzr.ed.am/elec/audio-switcher
3
by Tim Marston
added timer utilities (wiring.c) from arduino library |
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/* |
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wiring_private.h - Internal header file. |
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Part of Arduino - http://www.arduino.cc/ |
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Copyright (c) 2005-2006 David A. Mellis |
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This library is free software; you can redistribute it and/or |
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modify it under the terms of the GNU Lesser General Public |
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License as published by the Free Software Foundation; either |
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version 2.1 of the License, or (at your option) any later version. |
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This library 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 GNU |
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Lesser General Public License for more details. |
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You should have received a copy of the GNU Lesser General |
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Public License along with this library; if not, write to the |
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
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Boston, MA 02111-1307 USA |
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$Id: wiring.h 239 2007-01-12 17:58:39Z mellis $ |
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*/ |
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#ifndef WiringPrivate_h |
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#define WiringPrivate_h |
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#include <avr/io.h> |
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#include <avr/interrupt.h> |
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#include <stdio.h> |
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#include <stdarg.h> |
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//#include "Arduino.h" |
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#define clockCyclesPerMicrosecond() ( F_CPU / 1000000L ) |
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#define clockCyclesToMicroseconds(a) ( ((a) * 1000L) / (F_CPU / 1000L) ) |
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#define microsecondsToClockCycles(a) ( ((a) * (F_CPU / 1000L)) / 1000L ) |
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#ifdef __cplusplus |
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extern "C"{ |
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#endif |
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#ifndef cbi |
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#define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit)) |
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#endif |
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#ifndef sbi |
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#define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit)) |
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#endif |
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#define EXTERNAL_INT_0 0 |
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#define EXTERNAL_INT_1 1 |
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#define EXTERNAL_INT_2 2 |
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#define EXTERNAL_INT_3 3 |
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#define EXTERNAL_INT_4 4 |
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#define EXTERNAL_INT_5 5 |
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#define EXTERNAL_INT_6 6 |
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#define EXTERNAL_INT_7 7 |
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) |
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#define EXTERNAL_NUM_INTERRUPTS 8 |
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#else |
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#define EXTERNAL_NUM_INTERRUPTS 2 |
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#endif |
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typedef void (*voidFuncPtr)(void); |
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#ifdef __cplusplus |
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} // extern "C" |
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#endif |
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#endif |