空調(diào)溫度控制單元設(shè)計(jì)-文庫吧資料
2025-07-13 16:07本頁面
【正文】 LAY35 DJNZ R6,DELAY25 DJNZ R5,DELAY15 SETB SETB LCALL YS20MS RET 延時(shí)子程序YS2MS: MOV R6,20HL11: MOV R7,20HL22:: DJNZ R7,L22 DJNZ R6,L11 RETYS700MS: MOV R5,8DL1: MOV R6,210DL2: MOV R7,200DL3: DJNZ R7,DL3 DJNZ R6,DL2 DJNZ R5,DL1 RETYS20MS: MOV R6,50YDL1: MOV R7,200YDL2: DJNZ R7,YDL2 DJNZ R6,YDL1 RETYS10S: MOV R5,100DELAY12: MOV R6,140DELAY22: MOV R7,200DELAY32:: DJNZ R7,DELAY32 DJNZ R6,DELAY22 DJNZ R5,DELAY12 RET A/D轉(zhuǎn)換DATA0809: SETB NOP NOP SETB 。調(diào)用鍵盤子程序 CLR LCALLY YS20MS SETB AJMP QUDONGQUDONG: LCALL DATAO8O9 ；調(diào)用AD LCALL XS ；調(diào)用顯示 MOV A,70H CJNE A,0FFH,AAA1 LJMP MAINAAA1: CJNE A,71H,HERE7 ；比較兩數(shù)大小不相等則跳CLR ；清零兩口 CLR AJMP DD1HERE7: JNC JIARE ；實(shí)時(shí)檢測 JC JIANGWENJIARE: SETB CLR AJMP DD1 JIANGWEN: SETB CLR AJMP DD1 LCALL DATAO8O9 ；調(diào)用AD MOV 70H,0FFH LCALL XS ；調(diào)用顯示 LCALL YS700MS ；調(diào)用延時(shí)DD1: MOV R5,50DL11: MOV R6,50DL21: MOV R7,100DL31: JB ,HERE8 DJNZ R7,Dl31 DJNZ R6,Dl21 DJNZ R5,Dl11 AJMP QUDONGHERE8: JB ,AA1 AJMP DL3AA1: LCALL YS700MS JB ,AA2 AJMP DL3AA2: LJMP MAINHERE9:LCALL YS10S ；調(diào)用延時(shí)DATA8870: MOV R5,100 DELAY19: MOV R6,50DELAY29: MOV R7,200DELAY39: JB ,WAIT1 DJNZ R7,DELAY39 DJNZ R6,DELAY29 DJNZ R5,DELAY19 DJNZ R4,SRWD3 LJMP START 。調(diào)用鍵盤子程序 CLR LCALLY YS2MS CLR DELAY18: MOV R5,53DELAY28: MOV R6,50DELAY38: JB ,HERE22 DJNZ R7,DELAY38 DJNZ R6,DELAY28 DJNZ R5,DELAY18 SETB SETB LCALLY YS20MS LCALLY DATA0809DELAY40: MOV R6,50DELAY50: MOV R7,200DELAY60: JB ,HERE25 DJNZ R7,DELAY60 DJNZ R6,DELAY50 DJNZ R5,DELAY40 DJNZ R4,TEML1 LJMP STOPHERE17: JNB ,HERE17HERE25: LCALLY YS20MS MOV A,P3 ANL A,0FHHERE26: JB ,HERE26 CJNE A,01H,BJ1 LCALL TEM AJMP TEMCBJ1: CJNE A,02H,STOP AJMP SRWDSTOP: MOV P1,00000010B 。調(diào)用AD MOV 70H ,0FFH LCALL XS ；調(diào)用顯示 LCALL YS700MS ；調(diào)用延時(shí) MOV A,6CH MOV P1,6CH LCALLY FY MOV P1,09H LCALLY FY MAIN00:SETB ；停止預(yù)置數(shù)DELAY43: MOV R6,50DELAY53: MOV R7,100DELAY63: JB ,QIDONG DJNZ R7,DELAY63 DJNZ R6,DELAY53 DJNZ R5,DELAY43 LCALLY DATA0809 LCALLY XS AJMP MAIN ；等待鍵盤輸入 LCALLY YS10S ；調(diào)用延時(shí) LJMP STOPMAIN: MOV R5,5O LCALLY KEYPROCTEMC:MOVP1, 00000001B 溫度控制請按1 LCALLY KEYPROC ；調(diào)用鍵盤子程序 CLR LCALLY YS2MS CLR LCALLY YS20MS CLR LCALLY YS2MS CLR LCALLY YS20MS LCALLY YY0 MOV R5,50SRWD: MOV R4,03HSRWD1:MOV P2,00000011B 。程序流程如圖8顯示子程序入口送設(shè)定值（70）到A帶C標(biāo)志移位送采集值（71H）到A送C到I/O口帶C標(biāo)志移位送C到I/O口（8次）字節(jié)送完？（8次）字節(jié)送完？是否否是子程序結(jié)束 圖8顯示子程序流程圖主程序
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