jai_jem
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hello dear members,
this is led chaser code, i want to know that how can i lock any running pattern through external interrupt,
actually i want to freeze pattern when switch is pressed and when switch is not pressed then it should execute as their sequence..
please some body help me for the code.
this is led chaser code, i want to know that how can i lock any running pattern through external interrupt,
actually i want to freeze pattern when switch is pressed and when switch is not pressed then it should execute as their sequence..
please some body help me for the code.
Code ASM - [expand] 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 ;************************************************************ ORG 000H ; starting address SJMP LABEL L1 EQU P1.2 ;LED CONECTED TO THIS PORT L2 EQU P1.3 ;LED CONECTED TO THIS PORT L3 EQU P1.4 ;LED CONECTED TO THIS PORT L4 EQU P1.5 ;LED CONECTED TO THIS PORT L5 EQU P1.6 ;LED CONECTED TO THIS PORT L6 EQU P1.7 ;LED CONECTED TO THIS PORT LABEL: MOV P1,#0FFH MOV P3,#0FFH MOV SP,#30H MOV R3, #05 ;REPEtion of pattern D1: CALL pattern1 DJNZ R3,D1 MOV R3, #05 ;REPEtion of pattern D2: CALL pattern2 DJNZ R3,D2 MOV R3, #05 ;REPEtion of pattern D3: CALL pattern3 DJNZ R3,D3 JMP LABEL pattern1: CALL ALLON CALL DELAY SETB L1 CALL DELAY SETB L2 CALL DELAY SETB L3 CALL DELAY SETB L4 CALL DELAY SETB L5 CALL DELAY SETB L6 CALL DELAY CALL DELAY SETB L6 CALL DELAY SETB L5 CALL DELAY SETB L4 CALL DELAY SETB L3 CALL DELAY SETB L2 CALL DELAY SETB L1 CALL DELAY RET pattern2: CALL ALLON SETB L6 SETB L1 CALL DELAY CALL ALLON SETB L5 SETB L2 CALL DELAY CALL ALLON SETB L4 SETB L3 CALL DELAY RET pattern3: CALL ALLON CALL DELAY SETB L6 CALL DELAY SETB L5 CALL DELAY SETB L4 CALL DELAY SETB L3 CALL DELAY SETB L2 CALL DELAY SETB L1 CALL DELAY RET CLEAR: SETB L1 SETB L2 SETB L3 SETB L4 SETB L5 SETB L6 RET ALLON: CLR L1 CLR L2 CLR L3 CLR L4 CLR L5 CLR L6 RET DELAY: XRL A,#0FFH ;IN CASE OF 2051 CIRCUIT JNB P3.2,FULL JB P3.1,$ JNB P3.2,FULL JNB P3.1,$ JNB P3.2,FULL RET ;************************************************* *********************************************** ; FULL: MOV P1,#11000000B JNB P3.2,$ MOV P1,#11111111B RET END
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