超聲波定時(shí)器2捕獲ct107d測(cè)試程序

溫度顯示DS18B202#include //52#defineBYTEunsignedchar#defineuintunsignedint#defineulongunsignedlongsbitLS138A=P2^5;sbitLS138B=P2^6;sbitBYTEcodedisp_duan[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//數(shù)0-9BYTEcodedisp_wei[]={0x01,0x02,0x04,0x08};BYTEledout[4],flag,i=0;bitsucceed_flag; ulongdistance_data,sum;voidsys_ini(){ //定時(shí)器0,16位工作方式 //啟動(dòng)定時(shí)器0 //0 //打開定時(shí)器2溢出中斷 //定時(shí)器2進(jìn)行捕獲模式 //打開定時(shí)器2捕獲中斷 }void //{{uintx=0; //20usTrig引腳while(!T2EX);//T2EX回波引腳變高電平succeed_flag=0;//清測(cè)量成功標(biāo)志 //2 //2{

//2 // while(!TF2);//65.535 //8 //168{}}}}//0中斷,voidtimer0()interrupt //01{TH0=0xfd0}//1中斷,voidtimer2()interrupt //01{{}else{succeed_flag=1;//測(cè)量成功 }}/*P1^1P3^2短接

#include //52#defineBYTEunsignedchar#defineuintunsignedint#defineulongunsignedsbitTrig =P1^0;//產(chǎn)生脈沖引腳sbitEcho =P3^2;//回波引腳sbittest =P0^6;//測(cè)試用引腳sbitHC138A=P2^5;sbitHC138B=P2^6;sbitBYTEcodedisp_duan[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//數(shù)0-9BYTEcode BYTEbitsucceed_flag; ulongdistance_data,sum;uinttemp_data;void{ test //01，16 //打開定時(shí)器0中斷 //1 // //}void //{ //{uintx=0; 斷實(shí)現(xiàn){

//20usTrig引腳while(!Echo);//Echo回波引腳變高電平succeed_flag=0;//清測(cè)量成功標(biāo)志 // //1 //1 // while(!TF1);//65.535毫秒（ //關(guān)閉定時(shí)器1 //8 //168 eL;//816{}}}}void interrupt //0{eH=TH1; eL=TL1; }//0中斷,voidtimer0()interrupt //01{TH0=0xfd0}//1中斷,voidtimer1()interrupt //01{}#defineucharunsignedchar#defineuintunsignedintsbitucharcodesmg_du[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};ucharcodesmg_we[]={0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};ucharcodexiaotable[]={0,1,1,2,3,3,4,4,5,6,6,7,8,8,9,9}; 的實(shí)際溫度四舍五入voiddelayus(uintx);voiddelayms(uintvoidvoidwr_ds18b20(ucharbyt);ucharre_ds18b20();ucharvoiddisy(ucharwe,ucharvoiddelayus(uint {}voiddelayms(uint{uchar}void{ //480us}voidwr_ds18b20(uchar{uchar{}}uchar{uchari,byt;{DQ=1;}return}uchar{uchart