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/* 
	交流电机测试程序  
	main.c 
	MCU:at90s2313 
	时钟：4MHz 
	 
	芯艺 2004-09-25 
*/ 
 
#include  
#include  
 
#define uchar unsigned char 
#define uint unsigned int 
 
#define SET_RED_LED PORTD|=_BV(5) //PD5接红色发光管 
#define CLR_RED_LED PORTD&=~_BV(5) 
 
#define SET_GRN_LED PORTD|=_BV(4) //PD4接绿色发光管 
#define CLR_GRN_LED PORTD&=~_BV(4) 
 
class CControl 
{ 
public: 
	CControl();		 
public: 
	uchar m_bCounter; 
	 
	void DelayMs(uint ms); 
	void RunMotor(uchar direction); 
}; 
 
CControl::CControl() 
{ 
	m_bCounter=0; 
} 
 
void CControl::RunMotor(uchar direction) 
{ 
	if(direction==1) 
	{ 
		SET_GRN_LED; 
		CLR_RED_LED; 
	} 
	else if(direction==2) 
	{ 
		CLR_GRN_LED; 
		SET_RED_LED; 
	} 
	else 
	{ 
		CLR_GRN_LED; 
		CLR_RED_LED; 
	}	 
 
	for(uchar i=0;i