基于80C51的温湿度控制系统.

nbsp; JC CHULI2            ;借位标志位C=1，转
           MOV DPTR,#BJ5
           CALL TEMP_BJ3
           CLR   RELAY           ;继电器吸合
           RET
CHULI1:
           MOV DPTR,#BJ3
           CALL TEMP_BJ3
           SETB RELAY           ;继电器关闭
           CALL BEEP_BL
           RET
CHULI2:
           MOV DPTR,#BJ4
           CALL TEMP_BJ3
           CALL BEEP_BL
           RET
;-----------------------------------------
TEMP_BJ3:
           MOV A,#0CEH
           CALL WCOM
           MOV R1,#0
           MOV R0,#2

BBJJ3:    MOV A,R1
           MOVC A,@A+DPTR
           CALL WDATA
           INC R1
           DJNZ R0,BBJJ3
           RET
BJ3:
       DB ">H"
BJ4:
       DB "<L"
BJ5:
       DB " !"
;==================================================
;显示温度标记子程序
;==================================================
TEMP_BJ:
           MOV A,#0CBH
           CALL WCOM
           MOV DPTR,#BJ1 ;指针指到显示消息
           MOV R1,#0
           MOV R0,#2

BBJJ1:    MOV A,R1
           MOVC A,@A+DPTR
           CALL WDATA
  &nb

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基于80C51的温湿度控制系统.(十)