util.h

/*
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*
* Arduino Micro (Leonardo) XInput Pad Emulator firmware
*
* Copyright (c) 2017
* Bruno Freitas - bruno@brunofreitas.com
* Jon Wilson    - degenatrons@gmail.com
* Kevin Mackett - kevin@sharpfork.com
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/

#ifndef UTIL_H_
#define UTIL_H_

#include <inttypes.h>

#define CPU_PRESCALE(n)	(CLKPR = 0x80, CLKPR = (n))

#define bit_set(p,m) ((p) |= (m))
#define bit_clear(p,m) ((p) &= ~(m))
#define bit_write(c,p,m) (c ? bit_set(p,m) : bit_clear(p,m))
#define bit_check(value, bit) (((value) >> (bit)) & 0x01)

#endif /* UTIL_H_ */