單片機課程設計--步進電機角度控制-資料下載頁
2025-01-16 11:27本頁面
【正文】 R0,51H 。十位 MOV A,@R0 ADD A,52H MOV B,0AH CLR C MUL AB MOV R0,50H 。個位 ADD A,@R0 。將個位和十位和陳一個數(shù) MOV B,0FH CLR C DIV AB ADD A,R1 。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 。轉(zhuǎn)R1次*15AAA2: MOV R0,04H 。步距4拍 MOV A,57H CJNE A,01H,FZ MOV A,58H CJNE A,01H,ZX 。看標志位是走前4拍還是后4拍 58=1,走ZS MOV DPTR,L1 。前4拍 CPL A MOV 58H,A 。標志位區(qū)反 AJMP AAA1ZX: MOV DPTR,L2 。后4拍 CPL A MOV 58H,A AJMP AAA1FZ: MOV A,58H CJNE A,01H,FX ?？礃酥疚皇亲咔?拍還是后4拍 58=1,走ZS MOV DPTR,L3 。前4拍 CPL A MOV 58H,A 。標志位區(qū)反 AJMP AAA1FX: MOV DPTR,L4 。后4拍 CPL A MOV 58H,AAAA1: MOV A,00H MOVC A,@A+DPTR MOV P1,A ACALL DL1M INC DPTR PUSH DPH PUSH DPL DEC R5 MOV 53H,R5 ACALL DIS INC R5 POP DPL POP DPH DJNZ R0,AAA1 DJNZ R1,AAA2 ACALL DL2MS DJNZ R5,AAA3 MOV 53H,56HBACK: POP 03H RETL1: DB 01H,03H,02H,06HL2: DB 04H,0CH,08H,09HL3: DB 09H,08H,0CH,04HL4: DB 06H,02H,03H,01H DL1M: MOV R7,05HDL2: MOV R6,0FFHDL3: DJNZ R6,DL3 DJNZ R7,DL2 RETDL2MS: MOV R7,0FFHDL4: MOV R6,0FFHDL5: DJNZ R6,DL5 DJNZ R7,DL4 RET END設計流程圖 開始8255初始化檢測是否有 N按鍵按下 Y檢測是否有 轉(zhuǎn)動電位SET鍵按下 Y 器調(diào)角度 N 檢測START Y 根據(jù)保存的 N 檢測C鍵鍵是否按下 數(shù)據(jù)依次轉(zhuǎn) 是否按下 動步進電機N Y 檢測CLR N 保存所調(diào)的 鍵是否按下 角度數(shù)據(jù) Y根據(jù)保存的數(shù)據(jù)依次反轉(zhuǎn)步進電機
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