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基于單片機的便攜式人體健康指標(biāo)檢測系統(tǒng)設(shè)計畢業(yè)論文-資料下載頁

2025-06-27 19:17本頁面
  

【正文】 HMOV TL1,A0HMOV THD,0FCHMOV TL0,18HCLR MOV IE,88HSETB TR1SETB TR0LOOP:JNB,TF0,$CLR TF0JBC F0,ELSESETB MOV TH0,0FCHMOV TL0,18HCLR SJMP LOOPELSE:MOV R0,43HMOV A,@R0MOV B,100DIV ABMOV R0,40HMOV @R0,AMOV A,10XCH A BDIV ABMOV R0,41HMOV @R0,AMOV A,BMOV R0,42HMOV @R0,A;延時一分鐘SHOW:MOV A,@R0MOV R0,41HMOV A,@R0MOV R0,42HSWAP AXCHD A,@R0MOV DPTR,BFFFHMOVX @DPTR,AMOV R0,40HMOV A,@R0MOV DPTR,7FFFHMOVX @DPTR,A;顯示脈搏MOV R0,43HMOV A,@R0MOV R2,ASUBB A,100JC BAOJING;C=1,BAOMOV A,R2SUBB A,60JNC BAOJING;C=0,BAOSJMP HHHBAO:LCALL BAOJING RETHHH:JNB ,ENDDDDSJMP BEGIN ENDDDD:RET體溫檢測子程序WENDU: NOPSTART:SETB ;將I/O口置位 SETB NOPCCR ; 主機發(fā)出537微秒的復(fù)位低脈沖MOV R1,3TSR1:MOV R0,107DJNZ R0,$SETB ; 然后拉高數(shù)據(jù)NOPNOPNOPMOV R0,25HTSR2:JNB P35,TSR3;等待DS18B20回應(yīng) DJNZ R0,TSR2 LJMP TSR4;延時TSR3:SETB FLAGH;置標(biāo)志位,表示DS18B20存在 CLR ;檢查到DS18B20就表示就點亮P17LED LJMP TSR5TSR4:CLR FLAGH;清標(biāo)志位,表示DS18B20不存在 CLR LJMP TSR7 TSR5: MOV RO,117TSR6:DJNZ R0,TSR6;時序要求延時一段時間TSR7:SETB P35 TB FLAGH,TSS2 CLR TSS2:CLR ;DS18B20已經(jīng)被檢測到 LCALL WRITE1820MOV A,44H;發(fā)出體溫轉(zhuǎn)換指令LCALL WRITE1820LCALL DISPLAYLCALL INIT1820;準(zhǔn)備讀體溫前先復(fù)位MOV A,0CCH;跳過ROM匹配LCALL WRITE1820MOV A,0BEH; 發(fā)出讀體溫指令LCALL READ_1820; 將讀出的體溫保存到35H36HLCALL WRITE1820MOV R2,8; 一共8位數(shù)據(jù)CLR C WR1:CLR MOV R3,$RRC AMOV ,CMOV R3,23DJNZ R3,$SETB P35NOPDJNZ R2,WR1SETB RETREAD_1820MOV R4,2MOV R1,29HRE00:MOV R2,8RE01:CLR C SETB NOPNOPCLR NOPNOPNOPSETB MOV R3,9RE01:DJNZ R3,RE10MOV C,MOV R3,23RE20:DJNZ R3,RE20RRC ADJNZ R2,RE01MOV @R1,ADEC R1DJNZ R4,RE00RETDISPLAY:MOV R0,28HMOV A,@R0RL ARL ARL AMOV R2,AMOV R0,29HMOV A,@R0SWAP A;MOV R0,28HXCHD A,@ROMOV R1,50HMOV A,@R1SUBB A,38JNC BA0 MOV A,@R1SUBB A,36JC BAOMOV A,@R1DA AMOV @R1,AMOV R0,29HMOV A,@R0SWAP AANL A,0F0HLCALL R1,51HMOV @R1,AMOV DPTR,BFFFHMOV R0,50HMOV A,@R0MOVX @DPTR,AMOV DPTR,7FFFHMOV R0,51HMOVX @DPTR,ABAO:LCALL BAOJING RET JNB ,JIESUSJMP STARTJIESU :RET血壓檢測子程序SAMPLE:NOP SHI:MOV R0,53H SETB EA SETB EX0 CLR F0 XIYANG。 JBC F0,ELSE SJMP XIYANG ELSE: MOV A,@R1 MOV B,25 MUL ABMOV R4,BMOV R5,AMOV R7,32LCALL D547MO0V R0,53HMOV @R0,AMOV R2,ASUBB A,150JNC BAOJING MOV A,R2SUBB A,80JC BAOJINGDISSHOW: MOV R0,53HMOV A,@R0MOV B,100DIV ABMOV R0,54HMOV @R0,AINC R0MOV A,10XCH A,BDIV ABSWAP AADD A,BMOV R0,54HMOV A,.@R0MOV DPTR,BFFFHMOV @DPTR,AMOV DPTR,7FFFHMOV R0,55HMOV @DPTR,ABAO:LCALL BAOJING RETJNB P1。6,ENSJMP SHIEN:RET
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