实时控制系统的步进电机速度控制器设计

1、湖北汽车工业学院科技学院KT1023-3ONION实时控制系统的步进电机速度控制器设计设计内容与要求:利用通用微机接口实验箱设计一个实时控制系统的步进电机速度控制器。步进电机为四相，步距角为18步0，/以单四拍方式运行。要求采用定时中断的方法控制步进电机的速度，转速在之间连续可调，具有正反转控制功能。程序如下:DATASEGMENTBUFFDW0H,0BB8H,05DCH,3E8H,2EEH,258H,1F4H,1ACH,177H,14DH,12CHDW110H,0FAH,0E6H,0D6H,0C8H,0BBH,0B0H,0A6H,9DH,96HDW8EH,88H,82H,7DH,78H,73

2、H,6FH,6BH,67H,64HDW60H,5DH,5AH,58H,55H,53H,51H,4EH,4CH,4BHDW49H,47H,45H,44H,42H,41H,3FH,3EH,3DH,3CHDW3AH,39H,38H,37H,36H,35H,34H,33H,32H,32HBUFDW1HBUF2DB0DATAENDSSTAKSEGMENTSTA0DB128DUP(?)STAKENDSCODESEGMENTASSUMECS:CODE,DS:DATA,SS:STAKSTART:MOVAX,DATA;MOVDS,AX;8255初始化MOVDX,240BH;288H28FHMOVAL,10001

3、011B;A口输出，C口输入OUTDX,AL;PA0-PA3控制电机的ABCD；PC7正反转，PC6脉冲，PC5-PC0共6个控时间;8253初始化;计数器0MOVDX,2403H;280H287HMOVAL,00110110B;方式3OUTDX,ALMOVDX,2400HMOVAX,1000OUTDX,ALMOVAL,AHOUTDX,ALMOVBUF2,33H;A口输出初始值MOVBX,OFFSETBUFFMOVSI,0;计数器1方式0NEXT:MOVAX,BUFANDAX,3FHMOVSI,AXSALSI,1MOVAX,BX+SIMOVBUF,AXMOVDX,2403H;280H287HM

4、OVAL,01110000BOUTDX,ALMOVDX,2401HMOVAX,BUFOUTDX,ALMOVAL,AHOUTDX,ALL0:MOVDX,240AHINAL,DXTESTAL,40HJNZL1JMPL0L1:TESTAL,80HJNZZZ;FZ:ANDAL,3FHCBWMOVBUF,AXMOVAL,BUF2RORAL,1;,PA3PA0接ADMOVBUF2,ALSCZ:MOVDX,2408H;MOVAL,BUF2OUTDX,AL;A口最终的输出值;有按键就退出MOVAH,0BHINT21HCMPAL,0FFHJZEXITMOVAX,BUFCMPAL,1;最低速1r/minJBL3CMPAL,60;最高速60r/minJAL4JMPNEXTL3:MOVAX,1MOVBUF,AX;CALLASCIJMPNEXTL4:MOVAX,6