MoreTypes.h

/* 
 * File:   MoreTypes.h
 * Author: Pete Brownlow
 *
 * Created on 18 March 2015, 13:23
 *
 * Additional useful types and macros
 *
 */

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#ifndef MORETYPES_H
#define	MORETYPES_H

#ifdef	__cplusplus
extern "C" {
#endif

// Macros for access to arrays of bits
// Define the array as an array of BYTE, length should be the number of bits you want divided by 8 (rounded up)

#define arrayTestBit( array, index ) \
  ( array[index>>3] & ( 1<<(index & 0x07) ) )

#define arraySetBit( array, index ) \
  ( array[index>>3] |= ( 1<<(index & 0x07) ) )

#define arrayClearBit( array, index ) \
  ( array[index>>3] &= ~( 1<<(index & 0x07) ) )


#ifdef	__cplusplus
}
#endif

#endif	/* MORETYPES_H */