2 wiring_private.h - Internal header file.
3 Part of Arduino - http://www.arduino.cc/
5 Copyright (c) 2005-2006 David A. Mellis
7 This library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 This library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General
18 Public License along with this library; if not, write to the
19 Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 Boston, MA 02111-1307 USA
22 $Id: wiring.h 239 2007-01-12 17:58:39Z mellis $
25 #ifndef WiringPrivate_h
26 #define WiringPrivate_h
29 #include <avr/interrupt.h>
40 #define cbi(sfr, bit) (_SFR_BYTE(sfr) &= ~_BV(bit))
43 #define sbi(sfr, bit) (_SFR_BYTE(sfr) |= _BV(bit))
46 #define EXTERNAL_INT_0 0
47 #define EXTERNAL_INT_1 1
48 #define EXTERNAL_INT_2 2
49 #define EXTERNAL_INT_3 3
50 #define EXTERNAL_INT_4 4
51 #define EXTERNAL_INT_5 5
52 #define EXTERNAL_INT_6 6
53 #define EXTERNAL_INT_7 7
55 #if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
56 #define EXTERNAL_NUM_INTERRUPTS 8
57 #elif defined(__AVR_ATmega1284P__)
58 #define EXTERNAL_NUM_INTERRUPTS 3
60 #define EXTERNAL_NUM_INTERRUPTS 2
63 typedef void (*voidFuncPtr)(void);