單片機(jī)原理與應(yīng)用課程設(shè)計(jì)溫度控制系統(tǒng)-資料下載頁(yè)
2025-06-26 12:23本頁(yè)面
【正文】 AJMP NEXT6NEXT5: MOV A,TEMP CJNE A,99,NEXT7 。檢查當(dāng)前溫度值是否超過(guò)99NEXT7: JC NEXT8 MOV TEMP,0 。超出賦0 AJMP NEXT6NEXT8: INC TEMP INC A AJMP CX_LP 。NEXT6: MOV A,TEMP。控制繼電器部分 CJNE A,TEMP_S,NEXT2NEXT2: JC NEXT3 SETB RELAY AJMP NEXT4NEXT3: CLR RELAYNEXT4: POP DPL POP DPH POP PSW POP ACC RETI。*******************************DISP: MOV DPTR,TAB JNB SD,D_NEXT MOV B,10 。顯示設(shè)置溫度 MOV A,TEMP_S DIV AB MOVC A,@A+DPTR MOV XS_IO,11111011B SETB WX CLR WX MOV XS_IO,A SETB DX CLR DX LCALL DELAY MOV A,B MOVC A,@A+DPTR MOV XS_IO,11110111B SETB WX CLR WX MOV XS_IO,A SETB DX CLR DX LCALL DELAY 。D_NEXT: MOV B,10 。顯示當(dāng)前溫度 MOV A,TEMP DIV AB MOVC A,@A+DPTR MOV XS_IO,11111110B SETB WX CLR WX MOV XS_IO,A SETB DX CLR DX LCALL DELAY MOV A,B MOVC A,@A+DPTR MOV XS_IO,11111101B SETB WX CLR WX MOV XS_IO,A SETB DX CLR DX LCALL DELAY RET。******************************按鍵KEY_SCAN: MOV A,KEY_IO ANL A,07H CJNE A,07H,MAYKEY MOV A,0 AJMP KEY_ENDMAYKEY: LCALL DELAY MOV A,KEY_IO ANL A,07H CJNE A,07H,YESKEY MOV A,0 AJMP KEY_ENDYESKEY: CJNE A,06H,NO_KEY1 MOV A,1 AJMP KEY_ENDNO_KEY1: CJNE A,05H,NO_KEY2 MOV A,2 AJMP KEY_ENDNO_KEY2: MOV A,3KEY_END: RET。***********************************DELAY: MOV 40H,5DL2: MOV 41H,125DL1: NOP NOP DJNZ 41H,DL1 DJNZ 40H,DL2 RET。**************************************TAB： DB 0C0H,0F9H,0A4H,0B0H,99H,92H,82H,0F8H,80H,90HTAB1: DB 32,34,35,36,38,39,41,43,44,46,48,49,51,53,55DB 57,59,61,63,65,67,69,71,73,75,77,80,82,84,86DB 89,91,93,95,98,100,102,105,107,109,112,114,116DB 118,121,123,125,128,130,132,134END 第四章 總結(jié)報(bào)告
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