报警器的汇编程序.txt

无线红外传感报警系统

报警器的汇编程序
是在红外热释人体感应器


	ORG 00H
	JMP START
START:	CLR P1.5
                  MOV 20H,#00
                  JB P3.0,$
	CALL DELAY
	JB P3.0,$
	SETB P1.5     
       	 LCALL daishan
	LCALL DELAY2
	CLR P1.4
	CLR P1.2
      	LCALL L2

         L1:     



         L2:     JNB P3.1,L3
                    CALL DELAY
                    JMP L2

         L3:     MOV A,20H
                   CJNE A,#03H,L4
                   CLR P1.6
                  CALL DELAY2
	SETB P1.6
	INC 20H
	SETB P1.2
                  CLR P1.3
	CLR P1.1
	CALL DELAY2
	SETB P1.1
	JMP L2

         L4:    CLR P1.1
	CALL DELAY2
	SETB P1.1
	JMP L2
	
daishan:   MOV R4,#16H        ;待机时闪烁
    DISP:   CALL DAI
          	DJNZ R4,DISP
	  RET
     DAI:	 CLR P1.5
          	CLR P1.2
 	  LCALL DELAY
 	  SETB P1.5
	  SETB P1.2
	  LCALL DELAY
	  RET
DELAY2:   MOV R5,#200   ;
          D3:   MOV R6,#20
          D4:   MOV R7,#248
                   DJNZ R7,$
	   DJNZ R6,D4
	   DJNZ R5,D3
	   RET
DELAY10:   MOV R4,#10
             D5:   MOV R5,#100
             D6:   MOV R6,#20
             D7:   MOV R7,#248
                      DJNZ R7,$
	   DJNZ R6,D7
	   DJNZ R5,D6
                     DJNZ R4,D5
	   RET
DELAY:       MOV R6,#60   ;30MS
        D0:       MOV R7,#248
                     DJNZ R7,$
	   DJNZ R6,D0
	     RET

DELAY02:   MOV R5,#200    ;定时0.2秒
     D1:   MOV R6,#20
     D2:   MOV R7,#248
           DJNZ R7,$
	   DJNZ R6,D2
	   DJNZ R5,D1
	   RET
	   END