單片機(jī)課程設(shè)計(jì)--步進(jìn)電機(jī)角度控制-wenkub
2023-01-31 11:27:45 本頁(yè)面
【正文】 ACALL PUTBUF ACALL DIS AJMP STTKKEY8: MOV DPTR,7F08H MOV A,00H MOVX DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYA: MOV DPTR,7F0AH MOV A,00H MOVX DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYB: MOV DPTR,7F0BH MOV A,00H MOVX DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYE: MOV DPTR,7F0EH MOV A,00H MOVX DPTR,A ACALL PUTBUF ACALL DIS AJMP STTKKEYF: MOV DPTR,7F0FH MOV A,00H MOVX DPTR,A ACALL PUTBUF ACALL DIS AJMP STTK。實(shí)驗(yàn)二：程序： ORG 0000H LJMP MAIN ORG 0100HMAIN: MOV 50H,00H 。轉(zhuǎn)次數(shù) MOV 54H,00H 。前后4拍標(biāo)志位 MOV 59H,00H 。角度百位 MOV 63H,00H 。START=0跳 MOV A,55H CJNE A,01H ,ZHENG 。START=0,CLR=0跳去顯示FAN: MOV 57H,00H 。正轉(zhuǎn)標(biāo)志 ACALL BJ1 MOV 54H,01H MOV 55H,01H RETBJF: MOV 57H,00H 。百位 MOV A,R0 MOV B,6H 。個(gè)位 ADD A,R0 。步距4拍 MOV A,57H CJNE A,01H,FZ MOV A,58H CJNE A,01H,ZX 。后4拍 CPL A MOV 58H,A AJMP AAA1FZ: MOV A,58H CJNE A,01H,FX 。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(shè)計(jì)流程圖 開(kāi)始8255初始化檢測(cè)是否有 N按鍵按下 Y檢測(cè)是
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