課程設(shè)計報告---步進電機角度控制（mc51系統(tǒng)）-文庫吧
2025-01-06 18:21 本頁面
【正文】 KKEY7: MOV A,07H ACALL BUF ACALL DIS AJMP STTKBUF: PUSH 00H CJNE R4,01H,BUF1 MOV 40H,50H MOV 41H,51H MOV 42H,52H MOV 43H,53H MOV 53H,A MOV 52H,43H MOV 51H,42H MOV 50H,41HBUF1: POP 00H RET JISUAN子程序本設(shè)計設(shè)計了一個JISUAN子程序，用來計算轉(zhuǎn)動設(shè)定角度所需的拍數(shù)，存儲在R3中。程序如下：JISUAN: MOV A,R4 CLR C SUBB A,02 JC J3 。CJNE R4,02H,J3 MOV R3,00H MOV A,51H MOV B,100 MUL AB MOV 31H,A MOV A,B MOV 30H,A MOV A,52H MOV B,10 MUL AB MOV 32H,A CLR C MOV A,53H ADD A,32H ADD A,31H MOV 31H,A MOV A,00H ADDC A,30H MOV 30H,A CJNE A,01H,J1 MOV R3,44H INC 31H JMP J2J1: CJNE A,02H,J2 MOV R3,88H INC 31H INC 31HJ2: MOV A,31H MOV B,15 DIV AB MOV B,4 MUL AB ADD A,R3 MOV R3,AJ3: RET BUJIN子程序此子程序?qū)崿F(xiàn)的功能是按照設(shè)定條件正向步進，用R2記錄步進電機已執(zhí)行的拍數(shù)，每步進一拍，R2自加1，比較R2與R3（完成一次設(shè)定轉(zhuǎn)動角度所需的拍數(shù)）的值判斷是否完成一次設(shè)定角度轉(zhuǎn)動；用R1記錄已完成的轉(zhuǎn)動次數(shù)，每完成一次設(shè)定角度轉(zhuǎn)動則R1自加1，比較R1與60H（MOV 60H,50H，50H中存放轉(zhuǎn)動次數(shù)）的值判斷是否停止轉(zhuǎn)動。程序如下：BUJIN: MOV 60H,50H MOV R2,00H。記錄已循環(huán)的次數(shù) MOV R1,00H。記錄已執(zhí)行的拍數(shù)AA0: MOV R0,08H MOV DPTR,L1BB1: MOV A,00H MOVC A,@A+DPTR MOV P1,A INC R1 INC DPTR CALL DLIMS MOV A,R1 CLR C SUBB A,R3 JC BB MOV R1,00H INC R2 DEC 50H MOV R6,0FFHYS: ACALL DIS DJNZ R6,YS MOV R6,0FFHYS1: ACALL DIS DJNZ R6,YS1YS3: ACALL DIS DJNZ R6,YS3 MOV R6,0FFHYS4: ACALL DIS DJNZ R6,YS4 MOV A,R2 CJNE A,60H,BB JMP AA2BB: DJNZ R0,BB1 SJMP AA0L1:DB 10H,30H,20H,60H,40H,0C0H,80H,90HAA2: RET 清零鍵CLR將50H~53H的內(nèi)容清零，然后使步進電機復(fù)位，實現(xiàn)復(fù)位由BUJIN2子程序來實現(xiàn)。在BUJIN2子程序中，通過BUJIN子程序完成后的R0，運用
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