ogold.h

来自「产生PN序列」· C头文件 代码 · 共 35 行

#ifndef _OGOLD_H
#define _OGOLD_H

/* 
 * $Log: ogold.h,v $
 * Revision 1.1  2000/05/03 14:30:04  bjc97r
 * Initial revision
 *
 */

#include "gold.h"

typedef struct {
  Gold *gold;            /* the ID of the Gold code */
  unsigned long period;  /* the period of the Orthogonal Gold code */
  unsigned long counter;
} OGold;

/*
 * It create an OGold code generator with the two preferred m-sequences
 * with the given index. The OGold code generator is returned.
 * The possible range of index is 0 to (2^deg - 1).
 */
OGold *ogold_create( unsigned deg, unsigned long p0, unsigned long p1,
		     unsigned long index );

/* ogold_free() deallocates the memory space for the OGold code generator. */
void ogold_free( OGold *ogold );

/* ogold() gives the next OGold sequence in unipolar value, ie 1 or 0. */
char ogold( OGold *id );

#endif  /* _OGOLD_H */