键盘.txt

电烤箱程序加原理图

#include<reg52.h>
#define ti 0.07
#define td 40
#define kp 12.3
#define uint unsigned int
#define uchar unsigned char
sbit welage=P1^0;  //个位位选定义
sbit welashi=P1^1; //十位位选定义
sbit welabai=P1^2; //百位位选定义
sbit keyge=P2^3;   //个位键定义
sbit keyshi=P2^4;  //十位键定义
sbit keybai=P2^5;  //百位键定义
sbit set=P2^6;     //设定键定义
sbit start=P2^7;   //启动键设定
uchar code table[9]={
0x3f  , 0x06 , 0x5b , 0x4f , 0x66 , 
0x6d ,0x7d , 0x07 , 0x7f  , 0x6f	
}
uchar code tablex[9]={
	0,1,2,3,4,
	5,6,7,8,9,
}
/*void main()
{
	int tempset;
	tempset=100*tablex[numbai]+10*tablex[numshi]+tablex[numge];
	if set=0;
	
}*/
/*******************************************************
以上为主函数前声明部分
******************************************************/
void keyboardset()              //键盘设定函数
{   uchar numge,numshi,numbai;
    numge=0;                    //初始化
	numshi=0;
	numbai=0;
	while(1)
	{   
		welage=0;               //动态显示当前的设定值
	    	P0=table[numge];
		delay(10);
		welage=1;
		welashi=0;
		P0=table[numshi];
		delay(10);
		welashi=1;
		welabai=0;
		P0=table[numbai];
		delay(10);
		welabai=1;
		if (keyge==0)              //个位键按下时开始动作
		{
			delay(10);             //消抖
			if (keyge==0)
			{
              welashi=1;        //关闭十位位选
			  welabai=1;        //关闭百位位选
			  P0=table[numge];
              numge++;
			  if(numge==10)
				 numge=0;
      	}
			while(!keyge);          //检测松键盘
			delay(10);
			while(!keyge);
		} 
		else if(keyshi==0)         //十位键按下时开始动作
		{
			delay(10);
			if (keyshi==0);
			{
				welage=1;       //关闭个位位选
				welabai=1;      //关闭百位位选
				P0=table[numshi];
				   numshi++;
				if(numshi==10)
					numshi=0;
			}
			while(!keyshi);          //检测松键盘
			delay(10);
			while(!keyshi);
		}
		else if(keybai==0)
		{
			delay(10);
			if (keybai==0);
			{
				welage=1;     //关闭个位位选
				welashi=1;    //关闭十位位选
				P0=table[numbai];
				  numbai++;
				if(numbai==10)
					numbai=0;
			}
			while(!keybai);
			delay(10);
			while(!keybai);
		}
   	}
}