單片機課程設(shè)計--步進電機角度控制-免費閱讀
【正文】 看標(biāo)志位是走前4拍還是后4拍 58=1,走ZS MOV DPTR,L3 。將個位和十位和陳一個數(shù) MOV B,0FH CLR C DIV AB ADD A,R1 。反轉(zhuǎn)標(biāo)志 ACALL BJ1 MOV 60H,00H MOV 61H,00H MOV 62H,00H MOV 63H,00H MOV 50H,40H MOV 51H,41H MOV 52H,42H MOV 53H,43H MOV 57H,00H 。CLR=0跳 AJMP NT 。存放轉(zhuǎn)的步數(shù) MOV 60H,00H 。角度個位 MOV 51H,00H 。BEGIN: MOV DPTR,7F03H MOV A,81H MOVX DPTR,A。二、 課程設(shè)計內(nèi)容1. 在顯示器上顯示任意四位十進制數(shù)。2. 將8個鍵定義鍵值為0~7，按任意鍵在顯示器上顯示對應(yīng)鍵值。 MOV DPTR,7F00H MOV A,00H MOVX DPTR,A MOV DPTR,7F02H MOV A,DPTR ANL A,03H CJNE A,03H,INK1 ACALL DIS AJMP BEGININK1: ACALL DL1MS MOV DPTR,7F02H MOVX A,DPTR ANL A,03H CJNE A,03H,INK2INK2: MOV DPTR,7F00H MOV A,0FEH MOVX DPTR,A MOV DPTR,7F02H MOVX A,DPTR JNB ,KEY0 JNB ,KEYD AJMP BEGIN。角度十位 MOV 52H,00H 。角度個位 MOV 61H,00H 。跳去顯示TEST1: MOV A,55H 。反轉(zhuǎn)標(biāo)志 ACALL BJ1 MOV 50H,00H MOV 51H,00H MOV 52H,00H MOV 53H,00H MOV 54H,00H MOV 55H,00H RET BJ1: PUSH 03H 。要轉(zhuǎn)A次15 MOV 59H,A MOV R0,53H MOV 56H,53H MOV A,R0 CJNE A,00H,AAA4 MOV 54H,00H MOV 55H,00H AJMP BACKAAA4: MOV R5,53HAAA3: MOV R1,59H 。前4拍 CPL A MOV 58H,A 。后4拍 CPL A MOV 58H,A AJMP AAA1FZ: MOV A,58H CJNE A,01H,FX 。個位 ADD A,R0 。正轉(zhuǎn)標(biāo)志 ACALL BJ1 MOV 54H,01H MOV 55H,01H RETBJF: MOV 57H,00H 。START=0跳 MOV A,55H CJNE A,01H ,ZHENG 。前后4拍標(biāo)志位 MOV 59H,00H 。實驗二：程序： ORG 0000H LJMP MAIN ORG
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鄂ICP備17016276號-1