main.h

avr单片机ATMega16对三相异步电机的智能控制源码

#ifndef __MAIN_H	
 		#define __MAIN_H

 #ifdef MAIN_GLOBAL
 		#define MAIN_EXT
 #else 
 	    #define MAIN_EXT extern
 #endif

 #include "common.h"
 
 #define OUT_WD  PB4		//外部看门狗
 #define ClrOutWd() PORTB &= ~(1<<OUT_WD)
 #define SetOutWd() PORTB |= (1<<OUT_WD)	
 
 MAIN_EXT void OutWdServer(void);    //喂外部看门狗

 
#endif