單片機控制的光纖測距系統(tǒng)的軟件設(shè)計畢業(yè)論文(參考版)
2025-06-30 13:33本頁面
【正文】 等待鍵盤輸入的確認AD: CALL READ_ADCALL TOBCDCALL DISPLAYLEDSJMP MLOOPEND目 錄前 言 1第一章 方案論證 2 2 2 3 3 4 4第二章 傳感器原理的分析 8 8 8 9 11 11第四章 單片機軟件設(shè)計說明及程序流程圖 14 14 14 14（源程序見附錄）： 14第五章 調(diào)試運行情況 19總結(jié) 20致 謝 21參考文獻 22附錄A源程序 23。NO2LP2: CALL DISPLAYLEDCALL TESTKEYJZ LP2CALL GETKEY 。 ================================START:MOV SP, 70HMOV DPTR,7F00HMOV A,03HMOVX DPTR,AMLOOP:SETB 00HCALL TESTKEYJZ ADLP0:CLR AMOV R3, ACALL DISPLAYLEDCALL TESTKEYJZ LP0CALL GETKEY 。 ================================。處理完１６ＢＩＴDISP: MOV DPTR,LEDMAPMOV A,R3JZ D1MOV LEDBUF+0,06HSJMP D2D1:MOV LEDBUF+0,0 。十進制調(diào)整MOV R5,AMOV A,R4ADDC A,R4DA AMOV R4,AMOV A,R3ADDC A,R3MOV R3,A 。轉(zhuǎn)換雙字節(jié)十六進制整數(shù)HB3: MOV A,R7RLC AMOV R7,AMOV A,R6RLC AMOV R6,AMOV A,R5 。如果采集數(shù)值和上次一樣，則跳過BCD碼轉(zhuǎn)換MOV R7,51HMOV R6,50HHB2: CLR A 。；商在R4R5中CLRDM26 INCR5 MOVDM26 DM25:DM25 SUBB；四舍五入 ADDR2,DM23 MOVR5 DM24:DM24 MOVA,R7 ANLF0,C CLRA MOVR4,A MOVA,R4 RLCA MOVC MOV；求R3R4R5／R7－→R4R5 DM23:MOVOVA,R7 JCCMOV R3,33HMOV R4,34HMOV R5,35HMOV R7,255 MOVDV31:啟動ADHERE: JB ,HEREMOVX A,DPTRMOV B,距離范圍MUL AB ；采集數(shù)據(jù)X距離范圍MOV 33H,0MOV 34H,BMOV 35H,ACALL DIV_DWMOV 30H,R4MOV 31H,R5MOV A,30HCJNZ A,50H,DIFFERMOV A,31HCJNZ A,51H,DIFFERCALL HULUE ；相同就不須進行BCD轉(zhuǎn)換RETHULUE:SET 。 顯示一位八段管MOV R6, 1CALL DELAYMOV A, R2 。 從左邊開始顯示LOOP:MOV DPTR, BIT_CSMOV A, 0FFHMOVX DPTR, A 。 ================================DISPLAYLED:MOV R0, LEDBUFMOV R1, 6 。 ================================。減少到0為止DEC AMOV 52H,AMOV B,10DIV ABMOV DPTR,LEDMAPMOVC A,A+DPTRMOV LEDBUF+4,AMOV A,BMOVC A,A+DPTRMOV LEDBUF+5,AMOV LEDBUF+0,0MOV LEDBUF+1,0MOV LEDBUF+2,0MOV LEDBUF+3,0RETCLEAR:MOV R3,0CLR AMOV 52H,AMOV 53H,AMOV LEDBUF+0,0MOV LEDBUF+1,0MOV LEDBUF+2,0MOV LEDBUF+3,0MOV LEDBUF+4,0MOV LEDBUF+5,0RETENTER: CJNE R3,1,NE1CALL ERRORRETNE1:CLR 00H。鍵盤碼F，沒有定義IN0_9:INC R3SETB 00HCJNE R3,1,SECKEYFIRKEY:MOV A,R2MOV LEDBUF+0,0MOV LEDBUF+1,0MOV LEDBUF+2,0MOV LEDBUF+3,0MOV DPTR,LEDMAPMOVC A,A+DPTRMOV LEDBUF+4,AMOV LEDBUF+5,0MOV A,R2RL ARL ARL AADD A,R2ADD A,R2MOV 52H,ARETSECKEY:CJNE R3,2,THIRDMOV A,52HADD A,R2MOV 52H,AMOV DPTR,LEDMAPMOV B,10DIV ABMOVC A,A+DPTRMOV LEDBUF+4,AMOV A,BMOVC A,A+DPTRMOV LEDBUF+5,AMOV LEDBUF+0,0MOV LEDBUF+1,0MOV LEDBUF+2,0MOV LEDBUF+3,0RETTHIRD:MOV R3,0ACALL ERRORRETADD1:SETB 00HMOV A,52HSUBB A,30JC GN3JMP NUL 。鍵盤碼D，確認鍵AJMP NUL 。鍵盤碼B，功能鍵巡回1AJMP CLEAR 。鍵盤碼9，數(shù)字9AJMP ADD1 。鍵盤碼7，數(shù)字7AJMP IN0_9 。鍵盤碼5，數(shù)字5AJMP IN0_9 。鍵盤碼3，數(shù)字3AJMP IN0_9 。鍵盤碼1，數(shù)字1AJMP IN0_9 。 ================================KEYSWICH:RL A
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