lcd._c

AVR基本外设测试程序

#include"sga.h" 
  unsigned char key_t2(void);
  void keysy()
 {
   unsigned char x;
   x=key_t2();
   if(x==1)
   switch(KEY) 
    		{
	  	         case ADD:BIT_80|=0X80;    
			   			break;
			   	 case SUB:BIT_80|=0X80;    
			   			break;
			     case BEGIN:BIT_80|=0X80;    
			   			break;
			     case END:BIT_80|=0X80;    
			   			break;
			  
			}
 }