基于單片機(jī)的pwm直流調(diào)速系統(tǒng)畢業(yè)設(shè)計(jì)-資料下載頁
2025-06-27 19:43本頁面
【正文】 RETEND KEY0: SETB CLR LJMP KEYCHKKEY1: SETB CLR LJMP KEYCHKKEY2: CLR CLR LJMP KEYCHKKEY3: MOV NRKH,BCD1 MOV NRKL,BCD2 SWAP NRKL ORL NRKL ,BCD1 LJMP KEYCHKPZ: MOV PZ,BCD2 SWAP PZ ORL PZ ,BCD1 LJMP KEYCHKIZ: MOV PZ,BCD2 SWAP PZ ORL PZ ,BCD1 LJMP KEYCHKPI: MOV PI,BCD2 SWAP PI ORL PI ,BCD1 LJMP KEYCHKII: MOV II,BCD2 SWAP II ORL II ,BCD1 LJMP KEYCHKUP: INC BCD LCALL LCD LJMP KEYCHKDOWN: DEC BCD LCALL LCD LJMP KEYCHKYW: MOV R2,11111110B RL R2 JB YWI MOV DPTR,83FCH MOV A,R2 MOVX @DPTR,A LJMP KEYCHKctc1 : PUSH ACC PUSH PSW clr POP PSW POP ACC RETI CTC2: PUSH ACC PUSH PSW Clr tr0 Clr tr1 SETB SET tr0 SETB tr1 POP PSW POP ACCAD574A: 。AD 轉(zhuǎn)換 MOV DPTR，087FdH ；送端口地址 MOVX ﹫DPTR，A ；啟動(dòng)AD574ALOOPa:JB ,LOOP a ； INC DPTR ；使R/C為1 MOVX A,﹫DPTR ；讀取8位數(shù)據(jù) MOV I1 A INC I1 。8位內(nèi)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
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