ad采樣程序的設(shè)計指引(編輯修改稿)
2025-06-10 05:55 本頁面
【文章內(nèi)容簡介】 A/D sample interval RETADStart: NOP BT ADIF0,$ADsample BR ADStartADsample: CLR1 ADIF0 MOV A,ADCR0 MOV SampInter,0 INC SampCnt CMP SampCnt,1 BNZ $ADMinChk MOV ADCSumL,0 MOV ADCSumH,0 MOV ADCMax,0 MOV ADCMin,A RETADMinChk: CMP A,ADCMin BNC $ADMaxChk XCH A,ADCMinADMaxChk: CMP A,ADCMax BC $ADSum XCH A,ADCMaxADSum: 。A/D sample data sum ADD A,ADCSumL BNC $ADSum0 INC ADCSumHADSum0: MOV ADCSumL,A CMP SampCnt,6 BNC $ADMaxMin RETADMaxMin: MOV SampCnt,0 MOV A,ADCSumH RORC A,1 XCH A,ADCSumH MOV A,ADCSumL RORC A,1 XCH A,ADCSumL MOV A,ADCSumH RORC A,1 MOV A,ADCSumL RORC A,1 MOV X,A 。send data to A/D sample buffer MOV A,ADS0 CMP A,0 。sample channel check BNZ $TempEChan MOV A,X CMP A,0FEH 。shortcircuit check BNC $SetTAFG CMP A,2 。cut circuit check BC $SetTAFG CLR1 TAErr BR DetTempASetTAFG: SET1 TAErr 。set indoor temperature sensor short or cut falgDetTempA: MOV A,0 ADDW AX,TempTab MOVW HL,AX MOV A,[HL] MOV TempA,A 。indoor temperature measure value MOV ADS0,1 。set evaporator temperature sample channel RETTempEChan: CMP A,1 BNZ $TempAChan CMP A,0FEH 。shortcircuit check BNC $SetTEFG CMP A,2 。cut circuit check BC $SetTEFG CLR1 TEErr BR DetTempESetTEFG: SET1 TEErr 。set evaporator temperature sensor short or cut falgDetTempE: MOV A,0 ADDW AX,TempTab MOVW HL,AX MOV A,[HL] MOV TempE,A 。indoor evaporator temperature measure valueTempAChan: MOV ADS0,0 。set indoor temperature sample channel RETTempDetect CSEGTempTab: DB 0 。0 DB 0 。1 DB 0 。2 DB 0 。3 DB 0 。4 DB 0 。5 DB 0 。6 DB 0 。7 DB 0 。8 DB 0 。9 DB 0 。10 DB 0 。11 DB 0 。12 DB 0 。13 DB 0 。14 DB 0 。15 DB 0 。16 DB 0 。17 DB 0 。18 DB 0 。19 DB 0 。20 DB 0 。21 DB 0 。22
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鄂ICP備17016276號-1