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*APPLICATION NOTEE6000 ICEXPLORER ***************
* Title: FOR colk_time*
* Version: 00 *
* Last Updated: *
* MCU: AT89C91*
* FOR: WWW.yuanlitu.COM *
***************************************************
K1BITP3.2
K2BITP3.4
K3BITP3.3
K4BITP3.5
C_HOUR EQU 23H
C_MINUTE EQU 24H
C_SECOND EQU 25H
ON_HOUREQU 26H
ON_MINUTEEQU 27H
OFF_HOUR EQU 28H
OFF_MINUTE EQU 29H
ORG 0000H
AJMP MAIN
ORG 0003H
AJMP WINT0
ORG 000BH
AJMP WTO
ORG 0030H
MAIN:MOV SP,#50H
CLR 00H
MOV 21H,#0
MOV H,#0
MOV C_HOUR,#0
MOV C_MINUTE,#0
MOV C_SECOND,#0
MOV ON_HOUR,#0
MOV ON_MINUTE,#0
MOV OFF_HOUR,#0
MOV OFF_MINUTE,#0
MOV TH0,#05
MOV TL0,#05
MOV TMOD,#02H
SETB EA
SETB EX0
CLRET0
CLRTR0
CLR IT0
M: MOV A,C_HOUR
CJNE A,ON_HOUR,OFF_TIME
MOV A,C_MINUTE
CJNE A,ON_MINUTE,OFF_TIME
SETB P3.7
AJMP NEXT
OFF_TIME:MOV A,C_HOUR
CJNE A,OFF_HOUR,NEXT
MOV A,C_MINUTE
CJNE A,OFF_MINUTE,NEXT
CLR P3.7
NEXT:JNB 00H,M
ACALL DISP1
AJMP MTAB: DB 0C0H,0F9H,0A4H,0B0H,H
DB 92H,82H,0F8H,80H,90HDISP1: MOV R0,C_HOUR
MOV DPTR,#TAB
MOV A,R0
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.0
ACALL DL ;SEND DISPPLAY HOUR HIGHT BIT
SETB P2.0
MOV A,R0
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.1
ACALL DL
SETB P2.1 ;SEND DISPPLAY HOUR LOW BIT
MOV R1,C_MINUTE
MOV A,R1
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.2
ACALL DL
SETB P2.2;SEND DISPPLAY MINUTE HIGHT BIT
MOV A,R1
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.3
ACALL DL
SETB P2.3;SEND DISPLAY MINUTE LOW BIT
MOV R2,C_SECOND
MOV A,R2
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.4
ACALL DL
SETB P2.4;SEND DISPPLAY SECOND HIGHT BIT
MOV A,R2
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.5
ACALL DL
SETB P2.5;SEND DISPPLAY SECOND LOW BIT
RET
WTO: PUSH ACC
PUSH PSW
INC 21H
MOV A,21H
CJNE A,#0C8H,TORETI ;200D=C8H 0.5ms*200=100mS
MOV 21H,#0
INC 22H
MOV A,22H
CJNE A,#10,TORETI;100ms*10=1S
MOV 22H,#0
CPL P0.0
CPL P0.1
MOV A,#01H
ADD A,C_SECOND
DA A
MOV C_SECOND,A
CJNE A,#60H,TORETI
MOV C_SECOND,#0
MOV A,#01H
ADD A,C_MINUTE
DA A
MOV C_MINUTE,A
CJNE A,#60H,TORETI
MOV C_MINUTE,#0
MOV A,#01H
ADD A,C_HOUR
DA A
MOV C_HOUR,A
CJNE A,#24H,TORETI
MOV C_HOUR,#0
TORETI:POP PSW
POP ACC
RETIDISP2: MOV R0,ON_HOUR
MOV DPTR,#TAB
MOV A,R0
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.0
ACALL DL
SETB P2.0
MOV A,R0
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.1
ACALL DL
SETB P2.1
MOV R1,ON_MINUTE
MOV A,R1
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.2
ACALL DL
SETB P2.2
MOV A,R1
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.3
ACALL DL
SETB P2.3
RETDISP3: MOV R0,OFF_HOUR
MOV DPTR,#TAB
MOV A,R0
SWAP A
ANL A,#0FH
MOVC A,@A+DPTR
MOV P1,A
CLR P2.0 |