24V直流电机H桥驱动电路及单片机C程序一、原理图特别说明:CCPO.CCPI=ooii],ft机停止;为m吋，电机疋转,为1。时'电机反转*1.1是绝对不允许的，为防止H桥共态导通F调试时需要特别注意口!..一wrIkI用沁LH'/I422jf=FPPI■；riN2■—JOJ"：鹉紳朋i论U.PIZIID&V55AIfcAJJSB[F:•珂i0cmClIIHk-—吋二7'mu~—mIN弔•f-r*,—U3-_二>1l»ri::iJlhXJ.T®Pljj81JUPIJ5X2円13XIPIJ-PitPiJ闻」WKJE星PIJ円丄£KPi.lSJFl%u.IIn\iol$IKFY2Km¥□TK-hlJt.-.V}■-.V£-¥aiSH2i<丹T二二二〔TL規L!一奚S2^2a?□UID-?•RXD1厂昨「itEri却KLY』I?K.lS乌h.E岖I」TP3.sr(-Ci'iRXDP2JRF1J5GNDP21P”vccP2.7P2JP?7/CCTO贮血FIJ)PIJmu43Irtm10-II1213旧I?KI131忆；：>?0刃p5—」：pi-q■-2E3®—浪£IE5b~rm—IEtiG—R—n?J41-.4亍-J亍二、程序代码#include<5TC12C52.h>〃头文件nJ在wwgEtcrncumET卜載#include^defineuintunsignedint^defineucharunsignedcharsbitkeyl=P2V；"启动停止sbit止也=P2A2;//TT\H转sbitkey3=P2T;//UPsbitkev4=P2A0;//DOWNucharmn_flag;//O停止；1启动uchardirection_flag;//0iE转:1反转ucharcount;〃丿川』减计数key—二―voiditatusinitialfvoid);voidPWM_initial(void};voiddelay_lus九』断CCAP0H=OXFF;//PCA捕扭丿比较寄存器—低八笹和當八世--一频率f=SVS}(uchairij;for(i=0；KM；i++)for(j=0;j<120;F^;voiddeldy_led(jchjrx){ucharij；j=x；whilefj^)for(i=0ti<100>+)//l：4lid17-遍整/}voidkey_scan(void)u^hartemp；P2-Cxff;temp=P2;temp=temp|OxOf;if(temp==0«0f)〃检测是杏孑f按键按下启动■■寻止kayliffkeyl==O)delay_lu$(10);if{keyl==Oj{if(run_flag==l)run_fag=0;//stopelserun_fag=1;//start}}转反转key2if(key2==Oj{delay_lus(10);if(key2==0){if(direction_flag==1}directionflag=0;//jI,direction_flag=1;反//=-=============-============upkey3if(key3==0}{delay_lus{10);if(key2==0|{if(count==0)tount-0；elsecount-;//===============^============downkey4if(key4==0}{delay_lus(10);if{key2==0|{if(count==255)count=255;elsecount++;//vo'dMrun(void){uchari.temp;if(rjn_flag~O)//stop1”===========不转CCAFOH=DXFF;CCAPOL二OXFF;//rT：r：LL为0%CCAP1H=OXFF;CCAP1L=0XFF;//I7^LL为啤led_display"V轲灯”；：］：temp=0x00;Pl=temp;}1)//run{temp=O^ff;CY=O;if(direction_flag==0)〃正转CC4P0H=OXFF;CCAPOL=OXFFy/i^^lS为0%CCAP1H-count;CCAP1L=count;//=========—===================led_displlayfor(i-0；i<8;i++)(Pl=temp;temp=tennp«l:dclay_lcd{count)；I)iffdirectiorflag==l)〃反转{CCAP1H二CXFF;CCAP1L=OXFF；//iL空比为0%CCAPOH=count;CCAPOL=count;//======--=======--=====-=======led_displayfor(i=0；i<8；i4...
