基于单片机的温度控制系统设计报告

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;================温度标志===================

DISP_C: MOV LCD,A ACALL WR_COMM MOV LCD,#0DFH ACALL WR_DATA MOV LCD,#'C' ACALL WR_DATA

;=================数码显示======================

SHUMA: MOV DPTR,#SHUTAB

;===============显示实时温度====================== DISP_TEMP:

ACALL TURN

MOV LCD,#80H ACALL WR_COMM MOV DPTR,#CURRENT ACALL DISP0

MOV LCD,#0CAH

;小数点

MOVC

A,@A+DPTR

MOV LCD,A ACALL WR_DATA RET

DB 35H,36H,37H,38H,39H

RET

SHUTAB: DB 30H,31H,32H,33H,34H

ACALL WR_COMM MOV LCD,#2EH

MOV A,#0CCH ACALL DISP_C

;温度标志

ACALL WR_DATA

;------------------------------

MOV A,XIAOSHU

XIAO: DB 00H,00H,01H,01H,02H,03H,03H,04H

DISP0: MOV R1,#0 NEXT: MOV A,R1

MOVC A,@A+DPTR

JZ RETT

MOV LCD,A INC R1 ACALL WR_DATA JMP NEXT

DB 05H,05H,06H,06H,07H,08H,08H,09H

;================字符显示=============================

MOV A,XIAOSHU MOV LCD,#0CBH ACALL WR_COMM ACALL SHUMA

MOV A,SHI MOV LCD,#0C8H ACALL WR_COMM ACALL SHUMA MOV A,GEWEI ACALL SHUMA

//MOV LCD,#0D0H ;把光标移到别处 //ACALL WR_COMM RET

MOV DPTR,#XIAO MOVC A,@A+DPTR MOV XIAOSHU,A MOV A,TEMP MOV B,#10 DIV AB MOV SHI,A MOV GEWEI,B

CURRENT:DB 'Tempreture Now: ',0H

RETT: RET

;==========显示高温限值和低温限值======================

DISP_THL:

MOV DPTR,#SETTHL MOV LCD,#80H ACALL WR_COMM ACALL DISP0

MOV DPTR,#THL MOV LCD,#0C1H ACALL WR_COMM ACALL DISP0

;--------------------------- F5_THL:

MOV A,SHI MOV A,SHI MOV LCD,#0C4H ACALL WR_COMM ACALL SHUMA MOV A,GEWEI ACALL SHUMA MOV A,#0C6H ACALL DISP_C ;---------------- MOV A,TEMP_TL MOV B,#10 DIV AB

MOV SHI,A //SHI MOV GEWEI,B //GE //ACALL RE_PROM MOV A,TEMP_TH MOV B,#10 DIV AB

MOV SHI,A //SHI MOV GEWEI,B //GE

MOV LCD,#0CCH ACALL WR_COMM ACALL SHUMA MOV A,GEWEI ACALL SHUMA MOV A,#0CEH ACALL DISP_C RET

DB 'Set TH/TL:',0H

DB 'TH: TL:',0H

SETTHL: THL:

;==========液晶初始化================================

INIT_LCD: MOV LCD,#00000001B ACALL WR_COMM MOV LCD,#00111000B ACALL WR_COMM MOV LCD,#00001100B ACALL WR_COMM MOV LCD,#00000110B ACALL WR_COMM TH_SHAN: TL_SHAN:

MOV LCD,#00001111B MOV LCD,#0CDH ACALL WR_COMM

MOV LCD,#00001111B MOV LCD,#0C5H ACALL WR_COMM RET

ACALL WR_COMM

RET

;============TH光标闪==============================

;=============TL光标闪=============================

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