热释电红外报警装置Keil文件

ORG 0000H LJMP MAIN ORG 0200H MAIN: MOV P3,#01H CHEAK: JB P1.0,DELAY LCALL CHEAK DELAY: S1: LCALL FLASH_ON S2: LCALL TIME S3: LCALL FLASH_OFF S4: LCALL TIME LCALL FLASH_OFF JB P3,DELAY SJMP EM FLASH_ON: MOV P3,#02H RET FLASH_OFF: MOV P3,#01H RET EM: MOV P3,#01H SJMP CHEAK TIME: MOV R0,#0FH L1: MOV R1,#0FH L2: DJNZ R1,L2 JNB P1.0,EM DJNZ R0,L1 JNB P1.0,EM RET END