【正文】 8位內容存入單元 MOV A,TL0 RL A RL A RL A RL A MOV B,375 MUL AB MOV N1H,B MOV N1L,A INC N1H INC N1L NN: DEC MHDLOOPM: CJNE MHD,0,LOOP MOV I1, 53H MOV N1H,57H MOV NIL,5FH IIII:MOV LL1,I1 MOV LL2,I2 MOV LL3,I3 LCALL LB MOV I,LL MOV A,05H RR A RR A RR A RR A RR A MOV B,I MUL AB MOV R2,A MOV R3,B LCALLL BCDBH LCALL LCD LCALL PID MOV UKI1,R4MOV UKI2,R5MOV UKI3,R6PWM : MOV A,UK MOV B,0D8FH MULAB MOV T0TIMEL,A MOV T0TIMEH,B MOV TL1,T0TIMEL MOV TH1,TOTIMEH NNNN: MOV LL1,N1H MOV LL2,N2H MOV LL3,N3H JMP LB MOV NH,LL MOV A,7DH RR A RR A RR A RR A RR A MOV B,N MUL AB MOV R2,A MOV R3,B LCALL BCDBH LCALL LCD LCALL PID MOV RKI1,R4 MOV RKI2,R5 MOV RKI3,R6 RET ORG 0500H LB: PUSH ACC PUSH PSW MOV A,LL1 ；中值濾波 CJNE A,LL2,LB1 LJMP LB4LB1:JNC LB2 XCH A,LL2 XCH A,LL1LB2:MOV A,LL2 CJNE A,LL3,LB3 LJMP LB6LB3: JC LB4 LJMP LB6LB4: MOV A,LL1 CJNE A,LL1,LB5 LJMP LB6LB5: JC LB6 XCH A,LL1LB6: MOV LL,A POP PSW POP ACC RETORG 0600HBCDBH:PUSH ACCPUSH PSW CLR F0 MOV R7,8 MOV R0,100LOOPBH:CLR C MOV A,R3 SUBB A,100 ANL C,/F0 JC NEXTBH1 MOV R3,ANEXTBH1:CPL C MOV A,R2 RLC A MOV R2,A MOV A,R3 RLC A MOV R3,A MOV F0,C DJNZ R7,LOOPBH CLR C MOV A,R3 SUBB A,R0 ANL C,/F0 JC NEXTBH2 MOV R3,ANEXTBH2: CPL C MOV A,R2 RLC A MOV R2,A MOV A,R3 MOV B,10 DIV A,B SWAP A ORL A,B MOV R3,A POP PSW POP ACCORG 0700HPID: PUSH ACC PUSH PSW MOV A,RKL MOV B,MKL SUBB AB MOV EKL,A MOV A,RKH MOV B,MKH SUBB A,B MOV EKH,A MOV A,EKL MOV B,EK0L SUBB AB MOV EEL,A MOV A,EKH MOV B,EK0H SUBB AB MOV EEH,A MOV A,EEL MOV B,KP MUL AB MOV R4,A MOV R5,B MOV A,EEH MOV B,KP MUL AB ADD A,R5 MOV R5,A MOV R6,B MOV A,EEL MOV B,KI MUL AB ADD A,R4 MOV R4,A ADD B,R5 MOV R5,B MOV A,EEH MOV B,KI MUL AB ADD A,R5 MOV R5,A ADD B,R6 MOV R6,B POP PSW POP ACCORG 0400HLCD: MOV A,LEDSP ANL A,03H ADD A,LEDBUF2 MOV R0,A MOV 83FDH,R0 MOV A,LEDSP ANL A,03H CJNE A,0,NEXTB1 MOV 83FCH,11110111B SJMP EXITNEXTB1: CJNE A,1,NEXTB2 MOV 83FCH,11111011B SJMP EXITNEXTB2: CJNE A,2,NEXTB3 MOV 83FCH,11111101B SJMP EXITNEXTB3: MOV 83FCH,11111110BEXIT: INC LEDSP RETI END DISPTAB: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H,88H,83H,0C6H,0A1H,86H,8EH DISPC: MOV R0,LEDBUF1 MOV R1,LEDBUF2 MOV R2,7 MOV DPTR ,DISPTAB SETB NDHZLOOP11: MOV A,R0 JNB NDHZ,NEXTB1 CJNE A,0,NEXTB2 MOV R1,0FFH LJMP NEXTB3NEXTB2: CLR NDHZNEXTB1: MOVC A,A+DPTR MOV R1,ANEXTB3: INC R0 INC R1 DJNZ R2,LOOP11 MOV A,R0 MOVC A,A+DPTR MOV R1,A RET END 。參考文獻1．康萬新 畢業(yè)設計指導及案例剖析[M]，北京：清華大學出版社，,2~2 2．潘永雄 新編單片機原理與應用[M]，西安：西安電子科技大學出版社，第二版，2~73．鄭學堅 微型計算機原理及應用[M]，北京：清華大學出版社， 起止頁碼,7~94．閻石 數字電子技術基礎[M]，北京：高等教育出版社， ,9~95．孫緒才 L298N在直流電機PWM調速中的應用[J]，濰坊學院學報，,9~126．潘新民 微型計算機控制技術[M] 電子工業(yè)出版社，,12~167．丁芝琴 基于霍爾傳感器的電機測速裝置的設計[J]，農機化研究，2010（5）,16~168．王兆安 電力電子技術[M] 機械工業(yè)出版社，,19~219．陳伯時 電力拖動自動控制系統(tǒng)[M]，上海：機械工業(yè)出版社，第三版，21~24 附錄T0TIMEL DATA 30H T0TIMEH DATA 31H KEYNAME DATA 32H KEYSTU DATA 33H KEYRTIME DATA 34H PORTCR DATA 35H LEDSP DATA 36H LEDBUF1 DATA 37H LEDBUF2 DATA 38H NDHZ BIT 08H BCD0 DATA 39HBCD1 DATA 3AHBCD2 DATA 3BHBCD3 DATA 3CH PZ DATA 3DH IZ DATA 3EH PI DATA 3FH II DATA 40HNRKH DATA 41HNRKL DATA 42HIRKH DA