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led chaser speed control.

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jai_jem

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Dear members
I have a code regard led chaser (8051).
i want to control speed of blinking by external preset variable resister and 2nd thing is i want to lock pattern which is running at the same time sir please help me if can edit code which is shown below then please help me sir..

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;PROGRAM FOR DANCING LED;;;;;;;;;;;;;;;;;;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;



ORG 0000H

;SCH1 EQU P0.0
;SCH2 EQU P0.1
;SCH3 EQU P0.2
;SCH4 EQU P0.3

L1 EQU P3.4
L2 EQU P3.1
L3 EQU P3.0
L4 EQU P1.7
L5 EQU P1.6
L6 EQU P1.5
L7 EQU P1.4
L8 EQU P1.3
L9 EQU P1.2
L10 EQU P1.1
L11 EQU P1.0

; SETB SCH1

FNAUTO: MOV R3,#05
D1: CALL DESGN1
DJNZ R3,D1
MOV R3,#05
D2: CALL DESGN2
DJNZ R3,D2
MOV R3,#05
D3: CALL DESGN3
DJNZ R3,D3
MOV R3,#05
D4: CALL DESGN4
DJNZ R3,D4
MOV R3,#05
D5: CALL DESGN5
DJNZ R3,D5
MOV R3,#05
D6: CALL DESGN6
DJNZ R3,D6
MOV R3,#05
D7: CALL DESGN7
DJNZ R3,D7
MOV R3,#05
D8: CALL DESGN8
DJNZ R3,D8
MOV R3,#05
D9: CALL DESGN9
DJNZ R3,D9
MOV R3,#05
JMP FNAUTO



DESGN1: CLR L1
SETB L2
CLR L3
SETB L4
CLR L5
SETB L6
CLR L7
SETB L8
CLR L9
SETB L10
CLR L11
CALL DELAY
CLR L2
SETB L1
CLR L4
SETB L3
CLR L6
SETB L5
CLR L8
SETB L7
CLR L10
SETB L9
SETB L11
CALL DELAY
RET

DESGN2: CALL CLEAR
CLR L1
CALL DELAY
CALL CLEAR
CLR L2
CALL DELAY
CALL CLEAR
CLR L3
CALL DELAY
CALL CLEAR
CLR L4
CALL DELAY
CALL CLEAR
CLR L5
CALL DELAY
CALL CLEAR
CLR L6
CALL DELAY
CALL CLEAR
CLR L7
CALL DELAY
CALL CLEAR
CLR L8
CALL DELAY
CALL CLEAR
CLR L9
CALL DELAY
CALL CLEAR
CLR L10
CALL DELAY
CALL CLEAR
CLR L11
CALL DELAY
RET

DESGN3: CALL CLEAR
CLR L11
CALL DELAY
CALL CLEAR
CLR L10
CALL DELAY
CALL CLEAR
CLR L9
CALL DELAY
CALL CLEAR
CLR L8
CALL DELAY
CALL CLEAR
CLR L7
CALL DELAY
CALL CLEAR
CLR L6
CALL DELAY
CALL CLEAR
CLR L5
CALL DELAY
CALL CLEAR
CLR L4
CALL DELAY
CALL CLEAR
CLR L3
CALL DELAY
CALL CLEAR
CLR L2
CALL DELAY
CALL CLEAR
CLR L1
CALL DELAY
RET

DESGN4: CALL CLEAR
CLR L1
CALL DELAY
CALL CLEAR
CLR L2
CALL DELAY
CALL CLEAR
CLR L3
CALL DELAY
CALL CLEAR
CLR L4
CALL DELAY
CALL CLEAR
CLR L5
CALL DELAY
CALL CLEAR
CLR L6
CALL DELAY
CALL CLEAR
CLR L7
CALL DELAY
CALL CLEAR
CLR L8
CALL DELAY
CALL CLEAR
CLR L9
CALL DELAY
CALL CLEAR
CLR L10
CALL DELAY
CALL CLEAR
CLR L11
CALL DELAY
CALL CLEAR
CLR L11
CALL DELAY
CALL CLEAR
CLR L10
CALL DELAY
CALL CLEAR
CLR L9
CALL DELAY
CALL CLEAR
CLR L8
CALL DELAY
CALL CLEAR
CLR L7
CALL DELAY
CALL CLEAR
CLR L6
CALL DELAY
CALL CLEAR
CLR L5
CALL DELAY
CALL CLEAR
CLR L4
CALL DELAY
CALL CLEAR
CLR L3
CALL DELAY
CALL CLEAR
CLR L2
CALL DELAY
CALL CLEAR
CLR L1
CALL DELAY
RET

DESGN5: CALL CLEAR
CLR L1
CLR L11
CALL DELAY
CALL CLEAR
CLR L2
CLR L10
CALL DELAY
CALL CLEAR
CLR L3
CLR L9
CALL DELAY
CALL CLEAR
CLR L4
CLR L8
CALL DELAY
CALL CLEAR
CLR L5
CLR L7
CALL DELAY
CALL CLEAR
CLR L6
CALL DELAY
CALL CLEAR
CLR L7
CLR L5
CALL DELAY
CALL CLEAR
CLR L8
CLR L4
CALL DELAY
CALL CLEAR
CLR L9
CLR L3
CALL DELAY
CALL CLEAR
CLR L10
CLR L2
CALL DELAY
CALL CLEAR
CLR L11
CLR L1
CALL DELAY
CALL CLEAR
RET

DESGN6: CALL ALLON
CALL DELAY
CALL CLEAR
CALL DELAY
RET

DESGN7: CALL ALLON
SETB L1
CALL DELAY
CALL ALLON
SETB L2
CALL DELAY
CALL ALLON
SETB L3
CALL DELAY
CALL ALLON
SETB L4
CALL DELAY
CALL ALLON
SETB L5
CALL DELAY
CALL ALLON
SETB L6
CALL DELAY
CALL ALLON
SETB L7
CALL DELAY
CALL ALLON
SETB L8
CALL DELAY
CALL ALLON
SETB L9
CALL DELAY
CALL ALLON
SETB L10
CALL DELAY
CALL ALLON
SETB L11
CALL DELAY
RET

DESGN8: CALL ALLON
SETB L11
CALL DELAY
CALL ALLON
SETB L10
CALL DELAY
CALL ALLON
SETB L9
CALL DELAY
CALL ALLON
SETB L8
CALL DELAY
CALL ALLON
SETB L7
CALL DELAY
CALL ALLON
SETB L6
CALL DELAY
CALL ALLON
SETB L5
CALL DELAY
CALL ALLON
SETB L4
CALL DELAY
CALL ALLON
SETB L3
CALL DELAY
CALL ALLON
SETB L2
CALL DELAY
CALL ALLON
SETB L1
CALL DELAY
RET

DESGN9: CALL ALLON
SETB L11
SETB L1
CALL DELAY
CALL ALLON
SETB L10
SETB L2
CALL DELAY
CALL ALLON
SETB L9
SETB L3
CALL DELAY
CALL ALLON
SETB L8
SETB L4
CALL DELAY
CALL ALLON
SETB L7
SETB L5
CALL DELAY
CALL ALLON
SETB L6
CALL DELAY
CALL ALLON
SETB L5
SETB L7
CALL DELAY
CALL ALLON
SETB L4
SETB L8
CALL DELAY
CALL ALLON
SETB L3
SETB L9
CALL DELAY
CALL ALLON
SETB L2
SETB L10
CALL DELAY
CALL ALLON
SETB L1
SETB L11
CALL DELAY
RET

CLEAR: SETB L1
SETB L2
SETB L3
SETB L4
SETB L5
SETB L6
SETB L7
SETB L8
SETB L9
SETB L10
SETB L11
RET

ALLON: CLR L1
CLR L2
CLR L3
CLR L4
CLR L5
CLR L6
CLR L7
CLR L8
CLR L9
CLR L10
CLR L11
RET

DELAY: MOV R0,#0FFH
INLOP: MOV R1,#0FFH
DJNZ R1,$
DJNZ R0,INLOP
RET

END




thank you.
 

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