消毒柜的單片機(jī)設(shè)計(jì)-資料下載頁
2025-06-30 06:52本頁面
【正文】 R1 LCALL CBXS LCALL DELAY MOV R4,3DH LCALL WSM MOV A,R2 LCALL CBXS LCALL DELAY MOV R4,3BH LCALL WSM MOV A,R3 LCALL CBXS LCALL DELAYGAO65:MOV A,R7 SUBB A,70 jC HEATAGAIN LJMP BAOWEN DDFF: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H DB 88H,83H,0C6H,0A1H,86H,8EH。*************************** 。初始化8255子程序。***************************CSH8255: MOV A,81H MOV DPTR,0FF23H MOVX @DPTR,A RET。*************************** 。AD轉(zhuǎn)換子程序。***************************ADZH: MOV DPTR,0FF80H MOV A,0 MOVX @DPTR,A MOV R0,120 。120微妙延時 DJNZ R0,$ MOV DPTR,0FF80H MOVX A,@DPTR MOV B,200 。最高顯示100度 MUL AB MOV A,B MOV R7,A 。R7存放取樣的數(shù)字量 RET。***************************** 。二進(jìn)制轉(zhuǎn)十進(jìn)制子程序。*****************************DIGI: MOV B,10 DIV AB MOV R1,B MOV B,10 DIV AB MOV R2,B MOV R3,A RET。****************************** 。8255位掃描子程序。******************************WSM: MOV DPTR,0FF20H MOV A,R4 MOVX @DPTR,A RET。****************************** 。8255查表顯示子程序。******************************CBXS: MOV DPTR,DDFF MOVC A,@A+DPTR MOV DPTR,0FF21H MOVX @DPTR,A RET JIAN: MOV DPTR,0FF20H 。指向8255的A口 MOV A,0FDH 。列掃描信號從最低位開始 MOVX @DPTR,A MOV DPTR,0FF22H 。C口行掃描信號 MOVX A,@DPTR 。讀回行掃描信號 CJNE A,0BH,LP 。看是否為加熱鍵 LJMP BAOWEN LP: LJMP MAIN RET DELAY: MOV R4,08H 。延時子程序DELAY1:MOV R5,0A0H DJNZ R5,$ DJNZ R4,DELAY1 RET。*************************** 。停子鍵子程序。***************************STOP: MOV DPTR,0FF20H MOV A,0FFH MOVX @DPTR,A CLR SETB SETB SETB RET。**************************** 。動態(tài)顯示GOOD子程序。****************************DIR: MOV SP,53H 。寫8255控制口 MOV A,81H MOV DPTR,0FF23H MOVX @DPTR,A MOV 7EH,00H 。顯緩區(qū)初始化 MOV 7DH,01H MOV 7CH,02H MOV 7BH,03H MOV R6,0FFHLP0: LCALL SSEE 。循環(huán)調(diào)用實(shí)現(xiàn)動態(tài)顯示 DJNZ R6,LP0 LJMP L9 。顯示完了跳回主程序掃描鍵盤SSEE: SETB RS1 。換工作區(qū) MOV R5,05H SSE2: MOV 30H,20H 。數(shù)碼管位選工作區(qū)初始化 MOV 31H,7EH MOV R7,04H 。選通數(shù)碼管個數(shù)寄存器SSE1: MOV A,30H CPL A MOV DPTR,0FF20H 。選通第一個數(shù)碼管 MOVX @DPTR,A MOV R0,31H MOV A,@R0 MOV DPTR,DDFF1 。建立數(shù)據(jù)指針 MOVC A,@A+DPTR 。查表 MOV DPTR,0FF21H 。指向B口 MOVX @DPTR,A 。從B口輸出 MOV A,30H RR A 。右移選通下一個數(shù)碼管 MOV 30H,A DEC 31H LCALL DELY MOVX @DPTR,A DJNZ R7,SSE1 DJNZ R5,SSE2 CLR RS1 。釋放工作區(qū) RETDDFF1:DB 90H,0C0H,0C0H,0A1H DELY: MOV 45H,02HDL0: MOV 46H,02HDL1: DJNZ 46H,DL1 DJNZ 45H,DL0 RETKEY: MOV TMOD,01H MOV TH0,3CH MOV TL0,0B0H MOV R1,20 SETB EA SETB ET0 SETB TR0 MOV A, 81H MOV DPTR, 0FF23H MOVX @DPTR,AL1: MOV DPTR,0FF20H MOV A,0FEH MOVX @DPTR, A 。LCALL DELAY MOV DPTR,0FF22H MOVX A,@DPTR CJNE A,0EH,L2 MOV B,2 DIV AB MOV 30H,A LCALL WSM MOV A,30H LCALL CBXSL2: MOV DPTR,0FF20H MOV A,0FDH MOVX @DPTR, A LCALL DELAY MOV DPTR,0FF22H MOVX A,@DPTR CJNE A,0EH,L1 LCALL WSM MOV A,30H MOV B,3 SUBB A,B LCALL CBXS SJMP L1WSM: MOV R4,1FH MOV DPTR,0FF20H MOV A,R4 MOVX @DPTR,A RETWSM1: MOV R4,2FH MOV DPTR,0FF20H MOV A,R4 MOVX @DPTR,A RETCBXS: MOV DPTR,TAB MOVC A,@A+DPTR MOV DPTR,0FF21H MOVX @DPTR,A RETINT_0: MOV TH0,3CH MOV TL0,0B0H DJNZ R1,DE MOV R1,20 MOV A,30H DEC A LCALL CBXS MOV 30H,ADE: RETDELAY: MOV R4,08H 。延時子程序DELAY1:MOV R5,0A0H DJNZ R5,$ DJNZ R4,DELAY1RET TAB: DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90H END
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鄂ICP備17016276號-1