led.h

基于51单片机控制步进电机的程序

#ifndef _led_09_01_19_
#define _led_09_01_19_

extern unsigned char zhengbujin;
extern unsigned char fanbujin;
extern unsigned char zhengjuli;
extern unsigned char fanjuli;
extern unsigned int czhengbujin;
extern unsigned int cfanbujin;
extern unsigned int czhengjuli;
extern unsigned int cfanjuli;
extern unsigned char csudu;
extern unsigned char code tab[];

extern unsigned int seg11;
extern unsigned int seg10;
extern unsigned int seg9;

extern unsigned int seg8;
extern unsigned int seg7;
extern unsigned int seg6;

extern unsigned char seg5;
extern unsigned char seg4;

extern unsigned char seg3;
extern unsigned char seg2;

extern unsigned char a;
extern unsigned char b;
extern unsigned char c;
extern unsigned char d;
void show(unsigned char a,unsigned char b,unsigned char c,unsigned char d);
void change(unsigned char a,unsigned char b,unsigned char c,unsigned char d);





#endif