/usr/include/libcwiimote/wiimote_nunchuk.h is in libcwiimote-dev 0.4+svn83ant-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 | /* $Id: wiimote_nunchuk.h 56 2007-03-13 21:23:27Z bja $
*
* Copyright (C) 2007, Joel Andersson <bja@kth.se>
*
* 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, or
* (at your option) any later version.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _NUNCHUK_H_
#define _NUNCHUK_H_
#include "wiimote.h"
#define WIIMOTE_NUNCHUK_ID 0x00
#define nunchuk_decode_byte(x) (((x) ^ 0x17) + 0x17)
int nunchuk_init(wiimote_t *wiimote);
int nunchuk_update(wiimote_t *wiimote);
int nunchuk_free(wiimote_t *wiimote);
void nunchuk_decode(uint8_t *data, uint32_t size);
int nunchuk_enable(wiimote_t *wiimote, uint8_t enable);
int nunchuk_calibrate(wiimote_t *wiimote);
#endif /* _NUNCHUK_H_ */
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