macro.h

#ifndef MACRO_H
#define MACRO_H

#define SET_BIT_POS(reg, pos)		((reg) |= (1UL << (pos)))
#define RESET_BIT_POS(reg, pos)	((reg) &= (~(1UL << (pos))))
#define READ_BIT_POS(reg, pos)		(((reg) >> (pos)) & 1UL)
#define TOGGLE_BIT_POS(reg, pos)	((reg) ^= (1UL << (pos)))
#define MODIFY_BIT_POS(reg, pos, _0_1)	((reg) ^= (-_0_1 ^ (reg)) & (1UL << (pos)))

#define SIZEX(x)	(sizeof((x)) / sizeof((x[0])))
#define CLEAR_STRUCT(s)	memset(&s, 0, sizeof(s))
	
	
#endif