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#ifndef _BITS_H_

#define _BITS_H_


#define BIT_SET(x,y)    (x |=  (1 << (y)))

#define BIT_CLR(x,y)    (x &= ~(1 << (y)))

#define BIT_TST(x,y)    ((x  &  (1 << (y))) ? (int) 1 : (int) 0)


#ifdef AVR

#define BIT0    0

#define BIT1    1

#define BIT2    2

#define BIT3    3

#define BIT4    4

#define BIT5    5

#define BIT6    6

#define BIT7    7


#define BIT8    8

#define BIT9    9

#define BIT10   10

#define BIT11   11

#define BIT12   12

#define BIT13   13

#define BIT14   14

#define BIT15   15

#endif                                            // AVR

#endif                                            // ifndef _BITS_H_