发布时间 : 星期二 文章基于单片机的步进电机调速系统毕业设计更新完毕开始阅读
毕业论文
附录
附录1：源程序清单 QIAN EQU 40H HOU EQU 41H JIA EQU 42H JIAN EQU 43H TING EQU 44H ORG 000H LJMP MAIN ORG 003H
LJMP DUAN /// ORG 0030H
MAIN: ///MOV R0,#0FH MOV 10H,#01H MOV 11H,#03H MOV 12H,#02H MOV 13H,#06H MOV 14H,#04H MOV 15H,#0CH MOV 16H,#08H MOV 17H,#09H MOV 20H,#50 MOV 21H,#40 MOV 22H,#30 MOV 23H,#20 MOV 24H,#10 MOV 25H,#5 MOV R1,#20H MOV IE,#10000001B CLR QIAN CLR HOU CLR JIA
外部中断0 初始化 36
毕业论文
CLR JIAN CLR TING MOV A,@R1 MOV R2,A SETB IT0
LOOP1:JNB QIAN ,LOOP2 ////边沿触发形式
ACALL FRONT1 LOOP2:JNB HOU,LOOP1 ACALL BACK1 DUAN: MOV A,P0 CPL A
ANL A,#1FH /// CJNE A,#00H,CHA AJMP DUAN CHA: ACALL DELAY10MS MOV A,P0 CPL A ANL A,#1FH JZ DUAN ACALL ZHAO RETI ZHAO:MOV A,P0
JNB ACC.0,FRONT JNB ACC.1,BACK JNB ACC.2,FAST JNB ACC.3,SLOW JNB ACC.4,STOP FRONT:SETB QIAN RET BACK: SETB HOU RET FAST: SETB JIA RET SLOW: SETB JIAN RET STOP: SETB TING
去高三位，使按下去的一位为1 ///为零转移
//查找是哪一位，下面置1
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毕业论文
RET FRONT1:CLR QIAN CLR HOU CLR JIA CLR JIAN CLR TING INC R0 MOV A,@R1 MOV R2,A
/// R2用于延时不同的时间
ACALL DELAY CJNE R0,#17H,XIA MOV R0,#10H
XIA: JB QIAN,HUI //回主程序////////XIA子程序用于过度 JB HOU, HUI JB TING,HUI JNB JIA,XIA1 ACALL JIA1 XIA1: JNB JIAN,XIA2 ACALL JIAN1 JB TING ,HUI XIA2: AJMP FRONT1 HUI : RET RET XIA3: INC R1 RET
BACK1: CLR QIAN CLR HOU CLR JIA CLR JIAN CLR TING
CJNE R0,#0FH ,XIA8 MOV R0,#17H XIA8: DEC R0 MOV P2,@R0
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///前进子程序 R0用于给P2口送不同的值
MOV P2,@R0
///XIA子程序用于过度
//返回主程序
JIA1: CJNE R1,#25H,XIA3 /// 加速
//后退
毕业论文
MOV A,@R1 MOV R2,A ACALL DELAY CJNE R0,#10H,XIA5 MOV R0,#17H XIA5: JB QIAN,HUI JB TING,HUI JB HOU ,HUI JNB JIA, XIA6
ACALL JIA1 XIA6: JNB JIAN,XIA7 ACALL JIAN1 XIA7: AJMP BACK1
JIAN1: CJNE R1,#20H,XIA4 RET XIA4: DEC R1 RET DELAY10MS: MOV R3,#20 D1: MOV R4,#250 DJNZ R4,$ DJNZ R3,D1 RET
DELAY: MOV R5,#50
// D2: MOV R6,#150 D3: DJNZ R6,$ DJNZ R5,D2 DJNZ R2,DELAY RET END
//减速
根据r2的状态调整 步进电机的每一步的时间39
毕业论文
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