main.h

结构清晰的单片机定时器实现时钟 闹钟 调时等功能

#ifndef _MAIN_H
//--------------------------------------------------------------------------------
#define _MAIN_H

//--------------------------------------------------
// Global data type re_define
//--------------------------------------------------
typedef unsigned char UINT8;
typedef unsigned int  UINT16;
typedef bit 	bool;

//--------------------------------------------------
// Basic Settings
//--------------------------------------------------

#define _Use_Second_Modify	_DISABLE//_ENABLE

//--------------------------------------------------
// Definitions of Bits
//--------------------------------------------------
#define _ZERO   						0x00
#define _BIT0   						0x01
#define _BIT1   						0x02
#define _BIT2   						0x04
#define _BIT3   						0x08
#define _BIT4   						0x10
#define _BIT5   						0x20
#define _BIT6   						0x40
#define _BIT7   						0x80

//--------------------------------------------------
// Definations of Physical Boolean
//--------------------------------------------------
#define _TRUE   						1
#define _FALSE  						0

#define _ENABLE 						1
#define _DISABLE						0

#define _ON 							1
#define _OFF							0

#define _SUCCESS						1
#define _FAIL   						0

#define _YES							1
#define _NO								0


#define NULL 		((void (*)(void))0)   //a pointer :point a function with void parameter and void feed back value


//--------------------------------------------------
//============definition of declaration============
//--------------------------------------------------

#ifdef _MAIN_C
    #define EXTERN
#else
    #define EXTERN   extern
#endif

//--------------------------------------------------
// Extern Global Variables
//--------------------------------------------------

EXTERN UINT8 code seg_code[12];//0xbf  Display "-";
EXTERN UINT8 code bit_code[8];

//--------------------------------------------------
// Extern Global Variables
//--------------------------------------------------
EXTERN UINT8 ucBitFlag;    //define a UINT8 variable for system bit flags

//--------------------------------------------------
// Extern Function Prototypes
//--------------------------------------------------
EXTERN void SystemInit(void);
EXTERN void Display(void);
EXTERN void Delay(void);

//--------------------------------------------------
#undef EXTERN

//--------------------------------------------------
#endif