define.h

通用Ｃ５１单片机正弦波立产生程序

#ifndef _define_h_
#define _define_h_

#define KADD P1_0
#define KMIN P1_1
#define S1   P1_2
#define S2   P1_3
#define S3   P1_4
#define S4   P1_5
extern void ledvalue (void);
extern void kbhit ( void );
extern void ledwork ( void );
extern unsigned int frequency;
extern unsigned char leddat[];
extern code unsigned char ledcode [16];
extern unsigned int thl;
#define PI  3.14159

#endif