global.h

Atmel 公司提供的一个参考代码

//*----------------------------------------------------------------------------
//*         ATMEL Microcontroller Software Support  -  ROUSSET  -
//*----------------------------------------------------------------------------
//* The software is delivered "AS IS" without warranty or condition of any
//* kind, either express, implied or statutory. This includes without
//* limitation any warranty or condition with respect to merchantability or
//* fitness for any particular purpose, or against the infringements of
//* intellectual property rights of others.
//*----------------------------------------------------------------------------
//* File Name           : dbgu.c
//* Object              : DBGU routines written in C
//* Creation            : JG   16/Aug/2004
//*----------------------------------------------------------------------------

#ifdef GLOBAL
#define DefExtern
#else
#define DefExtern extern
#endif
#include "common.h"

DefExtern void Var_Init (void);
DefExtern unsigned short int Check_Reg_Val (unsigned long int Reg_val, unsigned long int Val);
DefExtern void Wait (unsigned long int Speed);

DefExtern unsigned long volatile Number_Of_Error_In_Test;
DefExtern unsigned long volatile Read_Reg_u32;
DefExtern unsigned long volatile Number_Of_Bcl;

DefExtern volatile unsigned char received_char;
DefExtern volatile unsigned char data_received;
DefExtern volatile unsigned char flagOffToFirst;
DefExtern volatile unsigned char displayState;
DefExtern volatile unsigned char PMCstate;
DefExtern volatile unsigned char CKGRstate;