單片機之間的雙向通信Proteus仿真

1、仿真電路：Nn*tfiirr-DlIII1z.ALIPDIVkbDPCI.1仇帖PDXD2:sfTALZpnafi-toP口.襯丸D*PDS*LDSP口后丸DGF.STpni7丸叮PZH.hEP2.1IA9pzaAinP3EMPZ3A11ALEPZ.h.IZPESAHPZ.GAI*PZ.TiAlSPJJJP3fVH3(DP1.1P3.1fTXDP12piTinnF1JP33fflTTP1.+P3.4-T0P15P35.T1P1.GP3.SWTTP1.7Pl.Tiinr35323Z1FZ324F2EZFF一C1-T1IMT10UTP.10UTR1INTIMTSjUTP20UTP2IMPA：3ZV

2、&*：.：5tD1pna.A-ozPDafi-topn.4i.A.D+PDA.hJiSPD.G.h-DGPC.TDTPZH.hEP2.1.i.hBpzaAinP3EMPZ3A11ALEP2.H12EtPESAHP2.5A1+PZ.TiAlSpmF3JTIOCDpi.iP3.1fTXDF12P32iTimP1*pi4zrnP1P3I/T1P1.GP3.SWTTP1.7pi.TiTT一i-f=eF一Z1F一今3-&一-4?5-4fh仿真程序：甲機程序：/甲機程序代碼#include#defineuintunsignedint#defineucharunsignedcharsbitled1=P1A0

3、;sbitled2=PlA3;sbitkey=P1A7;/共陽極數(shù)碼管段碼ucharcodetable=0 xC0,0 xF9,0 xA4,0 xB0,0 x99,0 x92,0 x82,0 xF8,0 x80,0 x90,0 xff;ucharnum;/延時voiddelay(uintz)uintx,y;for(x=z;x0;x-)for(y=ll0;y0;y-);/串行口發(fā)送函數(shù)voidtransfer(ucharc)SBUF=c;while(TI=0);TI=0;voidmain()num=0;P0=0 x00;SCON=0 x50;串行口工作在方式1,既可以發(fā)送數(shù)據(jù)，也可以接收數(shù)據(jù)TM

4、OD=0 x20;/定時器T1工作在方式2PCON=0 x00;TH1=(256-253)/32;TL1=(256-253)%32;RI=0;TI=0;TR1=1;IE=0 x90;/串行口中斷打開while(1)if(key=0)while(key=0);num=(num+1)%4;switch(num)case0:transfer(D);led1=1;led2=1;break;case1:transfer(A);led1=0;led2=1;break;case2:transfer(B);led1=1;led2=0;break;case3:transfer(C);led1=0;led2=0;

5、break;/delay(100);voidrecieve()interrupt4if(RI=1)RI=0;P0=tableSBUF;乙機程序：/乙機程序代碼#include#defineuintunsignedint#defineucharunsignedcharsbitled1=P1A0;sbitled2=PlA3;sbitkey=P1A7;ucharnum=l0;voiddelay(uintz)uintx,y;for(x=z;x0;x-)for(y=ll0;y0;y-);voidmain()SCON=0 x50;TMOD=0 x20;PCON=0 x00;THl=(256-253)/32;TLl=(256-253)%32;RI=0;TI=0;TRl=l;IE=0 x90;ledl=led2=l;while(l)if(key=0)while(key=0);num=(num+1)%11;SBUF=num;while(TI=0);TI=0;voidrecieve()interrupt4if(RI=1)RI=0;switch(SBUF)caseA:led1=0;led2=1;break;caseB:led1