global.h

NEC527多功能电表完整源代码,包括LCD驱动,显示,计量,存储,整个527驱动程序!

#ifndef GLOBAL_H
#define GLOBAL_H

typedef void (* PROC_FUNC)( void);

#define OK                     0              
#define ERROR               0xFF            
#define DEVICE_OK       0x9C           
#define DF_PAGE_LEN  (unsigned long)520

#define uchar            unsigned char
#define ulong             unsigned long
#define ushort          unsigned short
#define _PRE_PAY 1
extern unsigned short SystemIndication;

#endif