具有实时语音播报功能的超声波测距仪.docx

1、具有实时语音播报功能的超声波测距仪 具有实时语音播报的超声波测距仪的源程序 #include #include sbit cs=P35; sbit sid=P36; sbit sclk=P37; sbit fang=P33; / squart wave sbit ensp=P25; sbit dr=P24; /dangerous distance led sbit hy=P23; /hold distance led sbit sg=P22; /safe distance led sbit dpl=P21; /drop power led sbit re=P20; /receive led s

2、bit vc=P30; /voltage compare sbit dq=P31; /18B20 data bit sbit hold=P26; /hold sbit play=P27; /play /* bit ff; unsigned char flag; unsigned char pf=3; /显示警告标志 unsigned char soubuf6; unsigned char disbufs6; /distance memory unsigned char disbuft8; /temperature memory unsigned char timeh,timel; /time

3、memory unsigned char temp2; /temp1温度的高位与temp0低位 unsigned char code word9=当前距离:; unsigned char code wordt5=温度:; unsigned char code wordd8=危险距离; unsigned char code wordh8=保持距离; unsigned char code words8=安全距离; unsigned char code wordpower12=电源电压正常; unsigned char code worddrop12=请您更换电池; unsigned char co

4、de check13=系统正在自检!; unsigned char code sound10=74,10,16,22,30,37,43,51,58,67; /声音地址 点：92；米： 83/* void lcdbusy(void); void sendbyte(unsigned char ds); void wrlcd(unsigned char sta,ks); void ex0(void); void computers(unsigned int v); void display(void); void send(void); void intlcd(void); unsigned int

5、 computerv(void); void de750ms(void); void init18b20(void); void wr18b20(unsigned char ks); unsigned read18b20(void); void gettemper(void); void computert(void); void checkself(void); void speak(void); /* void init18b20(void) / 初始化18B20 unsigned char i; dq=1; _nop_(); dq=0; for(i=255;i0;i-); dq=1; f

6、or(i=30;i0;i-); for(i=120;i0;i-) if(dq=0) flag=1;break;/led=0; for(i=100;i0;i-); dq=1; /* void wr18b20(unsigned char ks) unsigned char i,j; for(i=8;i0;i-) dq=0; for(j=6;j0;j-) ; _nop_(); dq=(bit)(ks&0x01); for(j=24;j0;j-); dq=1; ks=ks1; /* unsigned read18b20(void) /先读出的是低位后读出的是高位，读一个字节子程序 unsigned c

7、har i,j,tdata; tdata=0; for(j=8;j0;j-) tdata=tdata1; dq=0; for(i=6;i0;i-); _nop_(); dq=1; for(i=6;i0;i-); if(dq=1) tdata=tdata|0x80; for(i=28;i0;i-); dq=1; return(tdata); /* void gettemper(void) init18b20(); if(flag=1) /跳过ROM匹配 wr18b20(0xcc); /发出温度转换命令 wr18b20(0x44); flag=0; de750ms(); init18b20();

8、if(flag=1) wr18b20(0xcc); /读温度命令 wr18b20(0xbe); temp0=read18b20(); temp1=read18b20(); flag=0; else flag=0; /*/ void computert(void) /温度处理子程序,temp1温度的高位与temp0低位 unsigned char aa,i; unsigned int cc; aa=temp1&0xf8; if(aa=0xf8) disbuft5=0x2d; /处理负温度 temp0=temp0; temp1=temp1; if(temp0=0xff) temp1=temp1+1

9、; temp0=temp0+1; aa=(temp1&0x07)4); disbuft4=aa/10; disbuft3=(aa%10); aa=temp0&0x0f; cc=(int)(aa*625); disbuft3=cc/10000+disbuft3; if (disbuft3=10) disbuft3=disbuft3&0xff;disbuft4=disbuft4+1; cc=cc%10000; disbuft2=cc/1000; cc=cc%1000; disbuft1=cc/100; cc=cc%100; disbuft0=cc/10; else aa=(temp1&0x07)4

10、); disbuft0=aa/10; disbuft1=aa%10; aa=temp0&0x0f; cc=(int)(aa*625); disbuft1=cc/10000+disbuft1; if (disbuft1=10) disbuft1=0;disbuft0=disbuft0+1; cc=cc%10000; disbuft3=cc/1000; cc=cc%1000; disbuft4=cc/100; cc=cc%100; disbuft5=cc/10; disbuft6=cc%10; for(i=0;i7;i+) disbufti=disbufti|0x30; disbuft2=0x2e

11、; /* unsigned int computerv(void) unsigned char a; unsigned int v; temp1=temp1&0x07; a=temp14); a=a*6; v=3320+a; return(v); /* void de750ms(void) /750ms unsigned char i,j,k; for(i=6;i0;i-) for(j=255;j0;j-) for(k=255;k0;k-); /* void lcdbusy(void) unsigned char i,c; while(1) sendbyte(0xfc); sclk=1; c=

12、sid; sclk=0; for(i=0;i15;i+) sclk=1; sclk=0; if(c=0) break; /* void sendbyte(unsigned char ds) /向LCD中发送一个字节 unsigned char i; for(i=0;i8;i+) sclk=1; sid=ds&0x80; / if(ds&0x80)=0x80) sid=1; / else sid=0; sclk=0; ds=ds1; /* void wrlcd(unsigned char sta,ks) /向LCD中写入一个起始字节与一个数据 unsigned char hdata,ldata;

13、 hdata=ks&0xf0; ks=ks&0x0f; ks=ks4; ldata=ks; cs=1; lcdbusy(); sendbyte(sta); sendbyte(hdata); sendbyte(ldata); cs=0; /* void ex0(void) interrupt 0 using 0 EX0=0; TR0=0; timeh=TH0; timel=TL0; TH0=0; TL0=0; ff=1; re=0; /* void computers(unsigned int v) unsigned long s; unsigned int ss; unsigned char

14、i; v=v/2; s=timeh; s=s8; s=s+timel; s=s*v; ss=s/100000; disbufs0=s/100000000; s=s%100000000; disbufs1=s/10000000; s=s%10000000; disbufs3=s/1000000; s=s%1000000; disbufs4=s/100000; soubuf0=sounddisbufs0; soubuf1=sounddisbufs1; soubuf2=92; soubuf3=sounddisbufs3; soubuf4=sounddisbufs4; soubuf5=83; for(

15、i=0;i5;i+) disbufsi=disbufsi|0x30; disbufs2=0x2e; disbufs5=0x6d; if(ss200&ss300) pf=2; else pf=3; /* void display(void) unsigned char i; wrlcd(0xf8,0x80); for(i=0;i9;i+) wrlcd(0xfa,wordi); for(i=0;i6;i+) wrlcd(0xfa,disbufsi); wrlcd(0xf8,0x92); for(i=0;i8;i+) if(pf=0) wrlcd(0xfa,worddi);dr=0;sg=1;hy=

16、1; if(pf=1) wrlcd(0xfa,wordhi);hy=0;dr=1;sg=1; if(pf=2) wrlcd(0xfa,wordsi);sg=0;dr=1;hy=1; wrlcd(0xf8,0x89); for(i=0;i12;i+) if (vc=1) wrlcd(0xfa,wordpoweri);dpl=1; if (vc=0) wrlcd(0xfa,worddropi);dpl=0; wrlcd(0xf8,0x98); for(i=0;i5;i+) wrlcd(0xfa,wordti); for(i=0;i8;i+) wrlcd(0xfa,disbufti); wrlcd(

17、0xf8,0x9e); wrlcd(0xfa,0xa1); wrlcd(0xfa,0xe6); /* void speak(void) unsigned char i,j,k,h; for(i=1;i0;j-) for(k=255;k0;k-) for(h=250;h0;h-); play=1; for(j=190;j0;j-) for(k=255;k0;k-); /* void send(void) unsigned char i,j,k; EX0=0; TH0=0; TL0=0; re=1; for(i=20;i0;i-) fang=1; for(j=5;j0;j-); fang=0; f

18、or(j=4;j0;j-); TR0=1; for(j=2;j0;j-) /延时消除余震3ms 3,255 for(i=255;i0;i-); IE0=0; EX0=1; for(k=2;k0;k-) /等待中断回波 for(i=255;i0;i-) for(j=255;j0;j-); /* void intlcd(void) /初始化LCD /delay40(); de750ms(); wrlcd(0xf8,0x30); /功能设定 wrlcd(0xf8,0x30); /功能设定 wrlcd(0xf8,0x30); /功能设定 wrlcd(0xf8,0x0c); /显示状态 wrlcd(0x

19、f8,0x06); /显示右移 /* void checkself(void) unsigned char i; unsigned char j,k; P1=97; P2=0x00; wrlcd(0xf8,0x81); for(i=0;i13;i+) wrlcd(0xfa,checki); for(i=0;i20;i+) for(j=0;j255;j+) for(k=0;k255;k+); play=1; P2=0x7f; /* void main(void) TMOD=0x01; TH0=0; TL0=0; EA=1; EX0=0; IT0=1; IE0=0; ff=0; P2=0xff; intlcd(); checkself(); while(1) ss: send(); if(ff=0) goto ss; ff=0; gettemper(); computert(); re=1; computers(computerv(); display(); if(ensp=0) speak(); hl: if(hold=0) goto hl; /*