第十二届蓝桥杯单片机组国赛程序

#include"stc15.h" #include"ds1302.h" #include"iic.h" #include"intrins.h" sbit TX=P1^0; sbit RX=P1^1; sbit r3=P3^2; sbit r4=P3^3; sbit c2=P4^2; sbit c1=P4^4; sbit L1=P0^0; sbit L2=P0^1; sbit L3=P0^2; sbit L4=P0^3; sbit L5=P0^4; sbit L6=P0^5; unsigned int temp=0; //温度 unsigned int juli=0; //距离 unsigned int dat1=0; //光敏电阻的电压 unsigned int kai=0; unsigned int jiemian=0; unsigned int jilu=0; unsigned int moshi=0; unsigned int jishu=0; unsigned int ju_zj=0; unsigned int ju_max=0; unsigned int ju_min=0; unsigned int ju_cun=0; unsigned int zhi=0; unsigned int num=0; //计算平均值的计数 unsigned int shican=2; unsigned int shican1=2; unsigned int xitong=0; unsigned int jucan=20; unsigned int num1=0; //调整时间参数是计数使用 unsigned int shi1=0; //计算秒处定时的时间 unsigned int liang=0; unsigned int num2=0; unsigned int jucan1=20; unsigned char tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; unsigned char code tab5[]={0x50,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10}; unsigned char tab1[]={0x80,0x82,0x84,0x86,0x88,0x8a,0x8c}; unsigned char tab2[]={0x81,0x83,0x85,0x87,0x89,0x8b,0x8d}; unsigned char tab3[]={0x00,0x00,0x00,0x00,0x00,0x00,0x00}; unsigned char tab4[]={0xc6,0x8e}; void shujujilu(); void delay(unsigned int t) { while(t--); } void hc573(unsigned int n) { switch(n) { case 4:P2=(P2&0x1f)|0x80;break; case 5:P2=(P2&0x1f)|0xa0;break; case 6:P2=(P2&0x1f)|0xc0;break; case 7:P2=(P2&0x1f)|0xe0;break; } } void hc138(unsigned int addr,unsigned char dat) { hc573(6); P0=0x01<<addr; hc573(7); P0=dat; delay(1000); P0=0xff; } void close() //关闭外设 { hc573(5); P0=0x00; hc573(4); P0=0xff; } void chushihua() { unsigned int i=0; Write_Ds1302_Byte(0x8e,0x00); for(i=0;i<7;i++) { Write_Ds1302_Byte(tab1[i],tab3[i]); } Write_Ds1302_Byte(0x8e,0x80); } void dushijian() { unsigned int i=0; for(i=0;i<7;i++) { tab3[i]=Read_Ds1302_Byte(tab2[i]); } } void Delay12us() //@12.000MHz { unsigned char i; _nop_(); _nop_(); i = 33; while (--i); } void fasong() { unsigned int i=0; for(i=0;i<8;i++) { TX=1; Delay12us(); TX=0; Delay12us(); } } void ceju() { unsigned int time=0; TMOD&=0xf0; TH0=0x00; TL0=0x00; fasong(); TR0=1; while((RX==1)&&(TF0==0)); TR0=0; if(TF0==0) { time=TH0; time=time<<8; time=time|TL0; juli=(unsigned int)time*0.017; } else { TF0=0; juli=0; } } void PCF8951ADC1() //光敏电阻 { IIC_Start(); IIC_SendByte(0x90); IIC_WaitAck(); IIC_SendByte(0x41); IIC_WaitAck(); IIC_Stop(); IIC_Start(); IIC_SendByte(0x91); IIC_WaitAck(); dat1=IIC_RecByte(); IIC_Stop(); if(dat1<70) { liang=1; //控制L6； } else { liang=0; //控制L6； } } void PCF8951DAC1(unsigned char dat) //DAC输出 { IIC_Start(); IIC_SendByte(0x90); IIC_WaitAck(); IIC_SendByte(0x41); IIC_WaitAck(); IIC_SendByte(dat); IIC_WaitAck(); IIC_Stop(); } unsigned int bian=0; void dianyashuchu() { if(juli<=10) { PCF8951DAC1(51); } else if((juli>10)&&(juli<80)) { bian=51+((juli-10)*28)/10; PCF8951DAC1(bian); } else if(juli>=80) { PCF8951DAC1(252); } } unsigned int chu=0; unsigned int chu1=0; unsigned int ju_zj1=0; void shujujilu() //最大值最小值中间值的判断 { if(chu==1) { ju_cun=juli; if(ju_cun>ju_max) { ju_max=ju_cun; } else if(ju_cun<ju_min) { ju_min=ju_cun; chu=1; } if(chu1==0) { ju_zj1=(ju_max+ju_min)/2; ju_zj=ju_zj1; chu1=1; num++; } else if(chu1==1) { ju_zj=(((ju_zj*num)+ju_cun)*10)/(num+1); num++; if(num>=65536) num=0; } } else if(chu==0) { ju_max=ju_min=ju_zj=juli; chu=1; num++; } } void cejupanduan() { if(moshi==0) { TR1=0; if(dat1<70) { if(kai==1) //为了保证只测量一次，故加此变量 { kai=0; ceju(); shujujilu(); } } else if(dat1>=60) { kai=1; } } else if(moshi==1) { shi1=(tab3[0]/16)*10+(tab3[0]%16); if(shi1%shican==0) { ceju(); shujujilu(); } } } void tiaoshijian() { if(num1==0) { num1=1;shican1=3; } else if(num1==1) { num1=2;shican1=5; } else if(num1==2) { num1=3;shican1=7; } else if(num1==3) { num1=4;shican1=9; } else if(num1==4) { num1=0;shican1=2; } } void LEDwork() { if((xitong==0)&&(jiemian==0)) { hc573(4); L1=0;L2=1;L3=1; } else if((xitong==0)&&(jiemian==1)) { hc573(4); L1=1;L2=0;L3=1; } else if((xitong==0)&&(jiemian==2)) { hc573(4); L1=1;L2=1;L3=0; } if(moshi==0) { hc573(4); L4=0; } else if(moshi==1) { hc573(4); L4=1; } if(liang==1) { hc573(4); L6=0; } else if(liang==0) { hc573(4); L6=1; } if(moshi==1) { if((juli>(jucan-5))&&(juli<jucan+5)) { num2++; if(num2==3) { hc573(4); L5=0; } else { hc573(4); L5=1; } } } } void xianshishijian() //显示时间 { hc138(0,tab[tab3[2]/16]); hc138(1,tab[tab3[2]%16]); hc138(2,0xbf); hc138(3,tab[tab3[1]/16]); hc138(4,tab[tab3[1]%16]); hc138(5,0xbf); hc138(6,tab[tab3[0]/16]); hc138(7,tab[tab3[0]%16]); } void xianshijuli() //显示距离 { hc138(0,0xc7); hc138(1,tab4[moshi]); //0xc6是c if(juli>=100) hc138(5,tab[juli/100]); if(juli>=10) hc138(6,tab[juli%100/10]); if(juli>=0) hc138(7,tab[juli%10]); } void jilumax() //显示最大值 { hc138(0,0x89); hc138(1,0xfe); if(ju_max>=100) hc138(5,tab[ju_max/100]); if(ju_max>=10) hc138(6,tab[ju_max%100/10]); if(ju_max>=0) hc138(7,tab[ju_max%10]); } void jilumin() //显示最小值 { hc138(0,0x89); hc138(1,0xf7); if(ju_min>=100) hc138(5,tab[ju_min/100]); if(ju_min>=10) hc138(6,tab[ju_min%100/10]); if(ju_min>=0) hc138(7,tab[ju_min%10]); } void jiluzhongjian() //显示中间值 { hc138(0,0x89); hc138(1,0xbf); if(ju_zj>=1000) hc138(4,tab[ju_zj/1000]); if(ju_zj>=100) hc138(5,tab[ju_zj%1000/100]); if(ju_zj>=10) hc138(6,tab5[ju_zj%1000%100/10]); if(ju_zj>=0) hc138(7,tab[ju_zj%10]); } //参数显示 void shijiancanshu() { hc138(0,0x8c); hc138(1,tab[1]); hc138(6,tab[shican1/10]); hc138(7,tab[shican1%10]); } void julicanshu() { hc138(0,0x8c); hc138(1,tab[2]); hc138(6,tab[jucan1/10]); hc138(7,tab[jucan1%10]); } void xianshihanshu() { if(xitong==0) { if(jiemian==0) xianshishijian(); else if(jiemian==1) xianshijuli(); else if(jiemian==2) { if(zhi==0) jilumax(); else if(zhi==1) jiluzhongjian(); else if(zhi==2) jilumin(); } } else if(xitong==1) { if(jiemian==0) shijiancanshu(); else if(jiemian==1) julicanshu(); } } void key2() //系统切换 { r4=0; r3=c1=c2=1; if(c1==0) { delay(500); if(c1==0) { while(c1==0) xianshihanshu(); jiemian=0; if(xitong==1) { shican=shican1; jucan=jucan1; } xitong++; if(xitong>=2) xitong=0; while(c1==0); } } } void key() //界面切换 { r3=0; r4=c1=c2=1; if(c1==0) { delay(500); if(c1==0) { while(c1==0) xianshihanshu(); if(xitong==0) { jiemian++; if(jiemian>=3) jiemian=0; } else if(xitong==1) { jiemian++; if(jiemian>=2) jiemian=0; } while(c1==0); } } } void key1() //模式和（最大，最小，中间值）的选择 { r4=0; r3=c1=c2=1; if(c2==0) { delay(500); if(c2==0) { while(c2==0) xianshihanshu(); if((jiemian==1)&&(xitong==0)) { moshi++; if(moshi>=2) moshi=0; } else if((jiemian==2)&&(xitong==0)) { zhi++; if(zhi>=3) zhi=0; } while(c2==0); } } } void key3() //参数的改变 { r