/**
 * @brief This module manages effective C bit manipulation for AVR
 * @author Steve Karg <skarg@users.sourceforge.net>
 * @date 2007
 * @copyright SPDX-License-Identifier: MIT
 * @note From AVR035: Efficient C Coding for AVR
 */
#ifndef AVR035_H
#define AVR035_H

/* a=register, b=bit number to act upon */
#define BIT_SET(a, b) ((a) |= (1 << (b)))
#define BIT_CLEAR(a, b) ((a) &= ~(1 << (b)))
#define BIT_FLIP(a, b) ((a) ^= (1 << (b)))
#define BIT_CHECK(a, b) ((a) & (1 << (b)))

/* x=target variable, y=mask */
#define BITMASK_SET(x, y) ((x) |= (y))
#define BITMASK_CLEAR(x, y) ((x) &= (~(y)))
#define BITMASK_FLIP(x, y) ((x) ^= (y))
#define BITMASK_CHECK(x, y) ((x) & (y))

#endif