0316.c

基于HS108设计的红外水位检测仪

 static bit R67 @0x06@7:rpage 0;
 static bit R66 @0x06@6:rpage 0;
 static bit R65 @0x06@5:rpage 0;
 static bit R64 @0x06@4:rpage 0;
 static bit R63 @0x06@3:rpage 0;
 static bit R62 @0x06@2:rpage 0;
 static bit R61 @0x06@1:rpage 0;
 static bit R60 @0x06@0:rpage 0;

void delay(int time)
{
	long time1;
	for(time1=time*500;time1>0;time1--);
}
void hanshu()
{
	long i;
	unsigned char flag;
	
	flag=0;
 	R61=1;
 	R65=1;
 	for(i=4000000;i>0;i--)
 	{
 		if(R60==0)
 		{
 			delay(2);
 			if(R60==0)
 			{
 				flag=1;
 				R61=0;
 				break;
 			}
 		}
 	}
 	R65=0;
 	if(flag==0)
 	{
 		for(i=9000000;i>0;i--)
 		{
 			if(R60==0)
 			{
 				delay(2);
 				if(R60==0)
 				{
 					flag=1;
 					R61=0;
 					break;
 				}
 			}
 		}
 		R61=0;
 	}	
}
	 
void main(void)
{    
	_asm
	{	
       MOV A,@0x6
       CONTW
       CLR 0x1
       CLR   0x6
       MOV   A,@0x09
       IOW   0x6
       MOV   A,@0x00
       IOW   0x5
       MOV   A,@0x2E
       CONTW
       WDTC          

	}
	while(1)
	{
	while(R60==1);
	
	if(R60==0)
	{
		delay(2);
		if(R60==0)
		{
			while(R60==0);
			hanshu();
			while(R60==0);
		}
	}
	}

}