應(yīng)用單片機(jī)設(shè)計智能溫度采集與控制系統(tǒng)說明書-展示頁
2025-08-13 01:27本頁面
【正文】 度顯示子程序 PUSH ACC MOV DPTR,N_TAB MOV A,T02 CJNE A,0,DISP_3 MOV A,T01 CJNE A,0,DISP_20 MOV T01,T03 MOV T02,0AH MOV T03,0AH LJMP DISP_3DISP_20:MOV T02,T03 MOV T03,0AH DISP_3:MOV A,T03 MOVC A,A+DPTR MOV P0,A CLR SETB SETB SETB LCALL DEL_SUB LCALL DEL_SUB DISP_2:MOV A,T02 MOVC A,A+DPTR MOV P0,A SETB CLR SETB SETB LCALL DEL_SUB LCALL DEL_SUBDISP_1:MOV A,T01 ；十位顯示程序 MOVC A,A+DPTR MOV P0,A SETB SETB CLR SETB LCALL DEL_SUB LCALL DEL_SUB DISP_0:MOV A,T00 ；個位顯示程序 MOVC A,A+DPTR MOV P0,A SETB SETB SETB CLR LCALL DEL_SUB LCALL DEL_SUB POP ACC RETZD_SUB: MOV TL0,0B0H MOV TH0,3CH DJNZ R7,DNEXT MOV R7,20 SETB D1SDNEXT: RETI DEL_SUB: SETB RS0 MOV R5,2DEL1: MOV R4,248DEL2: DJNZ R4,DEL2 DJNZ R5,DEL1 CLR RS0 RET BJ_SUB: ；報警子程序 MOV A,TEH PUSH ACC MOV A,TEL PUSH ACC MOV A,TEH ANL A,80H JZ BJ1 MOV A,TEH ANL A,00000111B MOV TEH,A BJ1: MOV A,TEH ANL A,00001111B SWAP A MOV TEH,A MOV A,TEL ANL A,0F0H SWAP A ORL A,TEH MOV TEH,A CJNE A,SEX,BJ2 BJ2: JC BJ6 CLR BJ3: CJNE A,SEI,BJ5 LJMP BJ6BJ5: JNC BJ6 CLR BJ4: CLR LJMP BJRETBJ6: SETB SETB SETB BJRET: POP ACC MOV TEL,A POP ACC MOV TEH,A RETKEY_SUB:SETB ；鍵盤掃描子程序 SETB SETB SETB SSET SETB UP SETB DOWN JB ,KEY_0 MOV R6,10D10: LCALL DEL_SUB DJNZ R6,D10 JB ,KEY_0 JNB ,$ CLR SSETKEY_0: JB ,KEY_1 MOV R6,10D11: LCALL DEL_SUB DJNZ R6,D11 JB ,KEY_1 CLR UPKEY_1: JB ,KEY_2 MOV R6,10D12: LCALL DEL_SUB DJNZ R6,D12 CLR DOWNKEY_2: RETSEX_SUB: LCALL KEY_SUB JB UP,SEX_1 MOV A,SEX CJNE A,MAX,SEX_0 NOP LJMP SEX_1SEX_0: INC SEX LJMP SEX_3SEX_1: JB DOWN,SEX_3 MOV A,SEX CJNE A,SEI,SEX_2 NOP LJMP SEX_3SEX_
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鄂ICP備17016276號-1