課程設(shè)計(jì)報(bào)告---步進(jìn)電機(jī)角度控制mc51系統(tǒng)(存儲(chǔ)版)
【正文】 DPTR,7F02H MOVX A,DPTR ANL A,06H CJNE A,06H,INK2 AJMP BEGININK2: MOV DPTR,7F01H MOV A,0FBH MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR JNB ,KEY2 JNB ,KEY4 MOV DPTR,7F01H MOV A,0F7H MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR JNB ,KEYCLR JNB ,KEYSET MOV DPTR,7F01H MOV A,0EFH MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR JNB ,KEY5 JNB ,KEYSTART MOV DPTR,7F01H MOV A,0DFH MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR JNB ,KEY7 JNB ,KEY0 LJMP STTKKEY0: MOV A,00H ACALL BUF ACALL DIS AJMP STTKKEY2: MOV A,02H ACALL BUF ACALL DIS AJMP STTKKEY4: MOV A,04H ACALL BUF ACALL DIS AJMP STTKKEY5: MOV A,05H ACALL BUF ACALL DIS AJMP STTKKEY7: MOV A,07H ACALL BUF ACALL DIS AJMP STTKKEYCLR: CALL BUJIN2 MOV 50H,00H MOV 51H,00H MOV 52H,00H MOV 53H,00H MOV R3,00H。記錄已循環(huán)的次數(shù) MOV R1,00H。BUJIN子程序R00807060504030201步進(jìn)輸出值10H30H20H60H40H0C0H80H90HBUJIN2子程序R00001020304050607步進(jìn)輸出值90H80H0C0H40H60H20H30H10H程序如下：BUJIN2: MOV R2,00H。2. 系統(tǒng)設(shè)計(jì)說(shuō)明 系統(tǒng)原理圖 總體設(shè)計(jì)本設(shè)計(jì)用50H~53H存儲(chǔ)單元存儲(chǔ)轉(zhuǎn)動(dòng)次數(shù)和轉(zhuǎn)動(dòng)角度，數(shù)碼管顯示只掃描此區(qū)域的；設(shè)置一個(gè)JISUAN子程序來(lái)計(jì)算轉(zhuǎn)動(dòng)所需要的角度需要的拍數(shù)，存第0組的R3寄存器里；用R2記錄步進(jìn)電機(jī)已執(zhí)行的拍數(shù)，每步進(jìn)一拍，R2自加1，比較R2與R3的值判斷是否完成一次設(shè)定角度轉(zhuǎn)動(dòng)；用R1記錄已完成的轉(zhuǎn)動(dòng)次數(shù)，每完成一次設(shè)定角度轉(zhuǎn)動(dòng)則R1自加1，比較R1與60H（MOV 60H,50H）的值判斷是否停止轉(zhuǎn)動(dòng)。二． 鍵入4（次數(shù)）270（角度數(shù)）鍵入SET設(shè)置完畢，鍵入START步進(jìn)電機(jī)轉(zhuǎn)動(dòng)270度4次；停止后鍵入CLR返回零位；每個(gè)過(guò)程都必須有相關(guān)顯示。在BUJIN2子程序中，通過(guò)BUJIN子程序完成后的R0，運(yùn)用轉(zhuǎn)位方法，使步進(jìn)電機(jī)反轉(zhuǎn)會(huì)零位。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 M
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