晶振12mhzincludereg51h>sbitRS=P2^0;RS数据和指令sbitRW=P2^1;读和写sbitEN=P2^2;读取时能sbitbusy=P0^7;sb
已通过模拟测试includereg52h>unsignedcharcir_num,pwm_mach,temp,distance,wait_time,price,distance;unsigned
霓虹灯的电路图:霓虹灯的51单片机程序:includereg52h>defineucharunsignedchardefineuintunsignedintsbitRED_LED=
includeAT89x51h>includeintrinsh>defineuintunsignedintdefineucharunsignedchar******************
2相步进电机驱动程序includereg51h>sbits1=P1^0;sbits2=P1^1;sbitspeedadd=P1^6;加速sbitspeeddel=P1^7;减速voidde
一开始想利用中断，最终还是利用代码。includereg52h>defineucharunsignedchardefineuintunsignedintucharcodetab[
includestringh>voidmain(void){inta=15,b=24;printf(a=%db=%dn,a,b);a=a^b;b=b^a;a=a^b;printf(a=%db=%
includereg51h>includedish>**延时1**用于消抖voiddelay1(void){uchari;for(i=0;i200;i++);}****延时2*******
函数重载代码示例includeiostreamh>intqq(inta,intb);intqq(intk);doubleqq(doublex,doubley);voidmain(){intx
includeavrioh>includeavrinterrupth>includeavrsignalh>**************************************
