畢業(yè)設(shè)計(jì)灌裝飲料傳送帶控制-資料下載頁(yè)
2025-06-29 17:14本頁(yè)面
【正文】 MOV DPTR,TAB2 MOV A,DGAO MOVC A,@A+DPTR MOV COM,A LCALL LCDWRITE LCALL DL1MS RETHZKDIS2: MOV START,0F8H MOV COM,94H LCALL LCDWRITE MOV DPTR,TAB3 MOV R6,3DIS_4: MOV START,0FAH CLR A MOVC A,@A+DPTR MOVC COM,A CALL LCDWRITE INC DPTR CLR A MOVC A,@A+DPTR MOV COM,A CALL LCDWRITE INC DPTR CALL DL40MS DJNE R6,DIS_4 RETSENDBIT: MOV R7,08HSEND_1: RLC A MOV STD,C CLR SCLK SETB SCLK DJNZ R7,SEND_1 RETINITO: PUSH DPH PUSH DPL PUSH ACC CLR TR1 MOV A,TL1 MOV B,10H DIV AB MOV DWEI,A MOV DGHAO,B LCALL ERXINGBACK: MOV TL0,00H MOV TH0,4CH SETB TR0 MOV TL1,00 MOV TH1,00 SETB TR1 POP ACC POP DPL POP DPH RETDL1MS: PUSH 00H PUSH 01H PUSH 02H MOV R2,01HWA_PA:MOV R0,0FHWA_PB:MOV R1,0FH DJNZ R1,S DJNZ R0,WA_PB DJNZ R2,WA_PA POP 02H POP 01H POP 00H RET NOP RETDL40MS: SETB PSW,3 MOV R2,03HDL_PA:MOV R0,0FFH DL_PB:MOV R1,0FFH DJNZ R1,S DJNZ R0,DL_PB DJNZ R2,DL_PA CLR PSW,3 RETTAB:DB39。直流電動(dòng)機(jī)轉(zhuǎn)速39。TAB2:DB39。012345678939。TAB3:DB39。轉(zhuǎn)每秒39。END單片機(jī)控制直流電機(jī)轉(zhuǎn)速及溫度測(cè)量程序單片機(jī)控制直流電機(jī)轉(zhuǎn)速及溫度測(cè)量程序如下： ORG 0000H LJMP MAIN ORG 0003H 。測(cè)速中斷入口 SETB 00H RETI ORG 0013H 。測(cè)溫中斷入口 SETB 01H RETI ORG 0050HMAIN:MOV TCON,05H 。外部中斷邊沿觸發(fā) MOV IE,85H 。開(kāi)外部中斷 mov r3,80hDAC:CLR 00H jnb ,jia jnb ,jian LX:mov a,r3 mov dptr,0f7ffh movx @dptr,a MOV 2DH,0CH 。速度標(biāo)志 lcall CSD MOV A,31H lcall BCD LCALL DISPLAY JB 01H,ADC LJMP DAC ADC:CLR 01H LCALL MSZH LCALL BCD MOV 2DH,0AH 。溫度標(biāo)志 LCALL DISPLAY JB 00H,DAC LJMP ADC。************************************************************** jia:mov a,r3 。加速度 add a,10h mov r3,a ljmp LX jian:mov a,r3 。減速度 subb a,10h mov r3,a ljmp LX。************************************************************** CSD:mov 31h,00h MOV 30H,5 。 MOV TMOD,15H 。設(shè)定時(shí)器1為方式1，計(jì)算器0為方式1 mov th0,00h mov tl0,00h MOV TH1,9EH 。賦初值 MOV TL1,58H SETB TR0 。啟動(dòng)計(jì)數(shù)器 SETB TR1 。啟動(dòng)定時(shí)器 L1:JBC TF1,L2 SJMP L1 L2:MOV TH1,9EH MOV TL1,58H DJNZ 30H,L1 CLR TR0 CLR TR1 MOV 31H,TL0 。測(cè)得的轉(zhuǎn)速二進(jìn)制放入31H單元中 RET。************************************************************** MSZH:MOV DPTR,0FBFFH 。選中ADC0809 MOVX @DPTR,A 。啟動(dòng)ADC0809 LP1:JB ,LP1 。等待A/D轉(zhuǎn)換完畢 MOVX A,@DPTR COMP:MOV B,0FEH 。K= MUL AB MOV A,10 。Tc=100 CLR C SUBB A,B CJNE A,20H,COMP1 COMP1:JC COMP4 。溫度小于20度數(shù)碼管顯示F CJNE A,140,COMP2 COMP2:JC COMP3 。溫度大于140度數(shù)碼管顯示F COMP4:MOV 2AH,0EH MOV 2BH,0EH MOV 2CH,0EH COMP3:RET。*************************************************************** BCD:MOV R1,00H 。R1為BCD碼百位寄存器 MOV R2,00H 。R2為BCD碼十位寄存器 CLR C CHAN:SUBB A,64H 。減100 JC CHAN1 INC R1 SJMP CHAN CHAN1:ADD A,64H CHAN2:SUBB A,0AH JC CHAN3 INC R2 SJMP CHAN2 CHAN3:ADD A,0AH MOV 2AH,R1 MOV 2BH,R2 MOV 2CH,A 。此時(shí)2CH中為個(gè)位BCD RET。****************************************************************DISPLAY:MOV R7,150 。掃描150次循環(huán) MOV DPTR,0FEFFH 。送段碼 MOV A,00H MOVX @DPTR,A 。關(guān)顯示 LOOP:MOV R6,00H MOV R0,2AH 。送顯示緩沖區(qū)首地址 MOV R4,05H 。數(shù)碼管掃描個(gè)數(shù) MOV R5,0FEH 。顯示第一個(gè)數(shù)碼管 DISPO:MOV A,@R0 。取顯示緩沖區(qū)內(nèi)容 MOV DPTR,TAB MOVC A,@A+DPTR MOV DPTR,0FEFFH 。送段選地址 MOVX @DPTR,A 。送段選碼 MOV A,R5 MOV DPTR,0FDFFH 。送位選地址 MOVX @DPTR,A 。選中位 HEREO:DJNZ R6,HEREO 。延時(shí)約一毫秒 MOV DPTR,0FEFFH MOV A,00H MOVX @DPTR,A 。送顯示 MOV A,R5 RL A MOV R5,A INC R0 DJNZ R4,DISPO DJNZ R7,LOOP RET TAB:DB 3FH,06H,5BH,4FH,66H DB 6DH,7DH,07H,7FH,6FH DB 63H,39H,1CH,1CH,71
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