key.h

电子称重的程序

#ifndef KEY_H
#define KEY_H
#include <head.h>
#include<config.h>
sfr KC=0x80;

//按键定义
#define TARE  0x2
#define UNIT  0x4
#define ZERO  0x1
#define MODE  0x8
#define NOKEY 0x00
#define CTRL  MODE
#define SHIFT UNIT
#define KEY_ADD ZERO
#define KEY_SUB TARE
#define KEY_HL MODE
#define KEY_CHA UNIT
#define KEY_NEXT MODE
#define KEY_OUT TARE
#define KEY_ENTER ZERO
#define CTRLF 0x80
#define SHIFTF 0x40
//#define SYSSETKEY MODE|TARE
#define SYSSETKEY 10
#define USERSETKEY TARE
void key_init(void);
void T0_int(void);
void key_clr(void);
#endif