key.c

来自「本人设计的电磁脉冲油泵的控制程序」· C语言 代码 · 共 81 行

#include <REG52.H>
#include<stdio.h>
#include<intrins.h>
#include<string.h>
#include<IOsetup.h>

 
extern void ShowNum(unsigned char number);

extern bit  keyflag;
extern bit  keyflag1;   

extern uchar keynet;
extern uchar number;
extern uint numb;
extern uchar keynum;
extern uint time;
extern uchar ID; 
extern uint num; 
extern uint period;
extern uchar high;
extern uchar tcount,second,minute,hour;
extern char i;

void key(void)
{
    if(SW==0&&keyflag==0)		//频率增加键
	{  
	    keyflag=1;fuel=1;
		while(1)
		{					  
	         TR0=0;
   	         if(SW==1)
			 {
				 time=0;
				 number=0;
                 keynet=0;
				 keyflag=0;
				 keyflag1=1;
				 TR0=0;
				 break;
			 }
         }i++;//if(i>14){i=0;} 
	}  
	if(fchange==0&&keyflag==0)		//频率减小键
	{  
	    keyflag=1;fuel=1;
		while(1)
		{					  
	         TR0=0;
   	         if(fchange==1)
			 {
				 time=0;
				 number=0;
                 keynet=0;
				 keyflag=0;
				 keyflag1=1;
				 TR0=0;
				 break;
			 }
         }i--;if(i<0){i=14;} 
	}
	if(fset==0&&keyflag==0)		//启动设定工作次数键
	{  
	    keyflag=1;fuel=1;
		while(1)
		{					  
	         TR0=0;
   	         if(fset==1)
			 {
				 time=0;
				 number=0;
                 keynet=1;
				 keyflag=0;
				 keyflag1=1;
				 TR0=0;
				 break;
			 }
         }
	}
}