南京工程学院单片机课程设计九微波炉控制程序

1、自动化学院112 朱凡#include<reg52.h>#include<absacc.h>#define uchar unsigned char#define uint unsigned int#define com8255 XBYTE0x8003 /8255控制口地址#define pa_8255 XBYTE0x8000 /A口地址#define pb_8255 XBYTE0X8001 /B口地址#define wela XBYTE0X8002 /位码地址#define dula XBYTE0X8004 /段码地址sbit LED1=P11;uchar num,fe

2、nh,fenl,miaoh,miaol,huo=0x10,flag=0,flag1=0;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x3f; /共阴数码管显示码void delayms(uint z) /延时Z毫秒（6M晶振）uint x,y;for(x=z;x>0;x-)for(y=55;y>0;y-);uchar keyscan(void) /键盘扫描子函数wela=0x1f;pb_8255=pb_8255&0x0f;i

3、f(pb_8255!=0x0f)delayms(15);if(pb_8255!=0x0f)switch(pb_8255)case 0x0e:num=0;break;case 0x0d:num=1;break;case 0x0b:num=4;break;case 0x07:num=7;break; flag+; /每按一次时间设定和火候设定键flag就加一 while(pb_8255!=0x0f);wela=0x2f;pb_8255=pb_8255&0x0f;if(pb_8255!=0x0f)delayms(15);if(pb_8255!=0x0f)switch(pb_8255)case

4、 0x0e:num=0x0f;break;case 0x0d:num=2;break;case 0x0b:num=5;break;case 0x07:num=8;break; flag+; while(pb_8255!=0x0f);wela=0x7;pb_8255=pb_8255&0x0f;if(pb_8255!=0x0f)delayms(15);if(pb_8255!=0x0f)switch(pb_8255)case 0x0e:num=0x0e;break;case 0x0d:num=3;break;case 0x0b:num=6;break;case 0x07:num=9;brea

5、k; flag+; while(pb_8255!=0x0f);wela=0x3b;pb_8255=pb_8255&0x0f;if(pb_8255!=0x0f)delayms(15);if(pb_8255!=0x0f)switch(pb_8255)case 0x0e:num=0x0d;break;case 0x0d:num=0x0c;break;case 0x0b:num=0x0b;break;case 0x07:num=0x0a;break; flag+; while(pb_8255!=0x0f); wela=0x3d;pb_8255=pb_8255&0x0f;if(pb_82

6、55!=0x0f)delayms(15);if(pb_8255!=0x0f)switch(pb_8255)case 0x0e:;break;case 0x0d:;break;case 0x0b:;break;case 0x07:num=0x10;break; flag1+; while(pb_8255!=0x0f); return num ;void display(uchar fenh,uchar fenl,uchar miaoh,uchar miaol,uchar huo) /LED动态显示子函数wela=0x20;dula=tablefenh;delayms(3);wela=0x10;d

7、ula=tablefenl;delayms(3);wela=0x08;dula=0x40;delayms(3);wela=0x04;dula=tablemiaoh;delayms(3);wela=0x02;dula=tablemiaol;delayms(3);wela=0x01;dula=tablehuo; delayms(3);void display1(uchar fenh,uchar fenl,uchar miaoh,uchar miaol,uchar huo) /电源关断LED动态显示子函数wela=0x20;dula=0x00;delayms(3);wela=0x10;dula=0x

8、00;delayms(3);wela=0x08;dula=0x00;delayms(3);wela=0x04;dula=0x00;delayms(3);wela=0x02;dula=0x00;delayms(3);wela=0x01;dula=0x00; delayms(3);init_t0() /定时器T0初始化函数TH0=(65536-10000)/256; /定时时间为20msTL0=(65536-10000)%256;TMOD=0x01; /T0工作于方式1EA=1;ET0=1;/TR0=0; /启动T0void main()uchar temp;LED1=0; /电源指示灯灭com8

9、255=0x82; /8255初始化,A口输出，B口输入，C口输出，都工作于方式0init_t0(); /定时器初始化 TR0=0;while(1) if(TR0=0) temp=keyscan();if(temp=0x10) /电源键按下，指示灯变化亮灭状况 flag=0; if(flag1=1) LED1=1; fenh=0; fenl=0; miaoh=0; miaol=0; huo=0; if(flag1=2) flag1=0; LED1=0; TR0=0; fenh=0; fenl=0; miaoh=0; miaol=0; huo=0; if(flag=1)if(temp<=5

10、) fenh=temp; flag=2; else fenh=0; flag=0; if(flag=3)if(temp<=9) fenl=temp; flag=4; else fenl=0; flag=2; if(flag=5)if(temp<=5) miaoh=temp; flag=6; else miaoh=0; flag=4; if(flag=7)if(temp<=9) miaol=temp; flag=8; else miaol=0; flag=6; if(flag=9)if(0x0a<=temp&temp<=0x0c) flag=0; TR0=1; huo=temp; else huo=0; flag=8; if(flag1=0) display1(fenh,fenl,miaoh,miaol,huo); if(flag1=1) display(fenh,fenl,miaoh,miaol,huo); void timer0() interrupt 1 static uchar i=0; TH0=(65536-10000)/256; /定时时间为20msTL0=(65536-10000)%256;i+;if