-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathElectronic code lock with multiple user
501 lines (435 loc) · 9.66 KB
/
Electronic code lock with multiple user
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
RS EQU P2.7
RW EQU P2.6
E EQU P2.5
ROW EQU P1
COL EQU P3
ORG 0000H
MAIN:CLR P2.0
CLR P2.1
CLR P2.3
MOV TMOD,#00100001B
MOV TH1,#253D
MOV R1,#50H
MOV R0,#70H
SETB TR1
ACALL LCD_INIT
MOV DPTR,#TEXT1
ACALL SEND
ACALL LINE2
MOV DPTR,#TEXT2
CLR P2.0
ACALL SEND
ACALL DELAY1
ACALL DELAY1
MOV R2,#6
TRY_AGAIN:CLR P2.0
CLR P2.1
CLR P2.3
ACALL CLRSCR
ACALL LINE1
DJNZ R2,CHECK1
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_F3
ACALL SEND
ACALL DELAY1
SETB P2.3
ACALL DELAY4
CLR P2.3
LT1:SJMP LT1
CHECK1:ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TRIAL
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV A,#30H
ADD A,R2
ACALL DATA_WRITE
ACALL DELAY1
ACALL DELAY2
ACALL DELAY3
ACALL CLRSCR
ACALL LINE1
MOV 50H,#00
MOV 51H,#00
MOV 52H,#00
MOV DPTR,#IPMSG1
ACALL SEND
ACALL LINE2
MOV DPTR ,#ENTER1
ACALL SEND
ACALL DELAY1
ACALL DELAY2
ACALL CLRSCR
ACALL LINE1
MOV DPTR ,#USE
ACALL SEND
ACALL LINE2
LJMP AGAIN
TRY_AGAIN1:ACALL READ_KEYPRESS
LCD_INIT:MOV A,#38H
ACALL CMD_WRITE
ACALL DELAY3
MOV A,#0EH
ACALL CMD_WRITE
ACALL DELAY3
MOV A,#01H
ACALL CMD_WRITE
ACALL DELAY3
MOV A,#06H
ACALL CMD_WRITE
ACALL DELAY3
MOV A,#80H
ACALL CMD_WRITE
ACALL DELAY3
RET
SEND:CLR A
MOVC A,@A+DPTR
ACALL DATA_WRITE
ACALL DELAY1
INC DPTR
JZ EXITT
SJMP SEND
EXITT:RET
LINE2:MOV A,#0C0H
ACALL CMD_WRITE
RET
LINE1: MOV A,#80H
ACALL CMD_WRITE
RET
CLRSCR: MOV A,#01H
ACALL CMD_WRITE
RET
CMD_WRITE: MOV P0,A
CLR RS
CLR RW
SETB E
CLR E
ACALL DELAY3
RET
DATA_WRITE:MOV P0,A
SETB RS
CLR RW
SETB E
CLR E
ACALL DELAY3
RET
DELAY3:MOV R4,#100
L2:MOV R5,#255
L1:DJNZ R5,L1
DJNZ R4,L2
RET
DELAY4:MOV R6,#50
LW3:MOV R4,#255
LW2:MOV R5,#255
LW1:DJNZ R5,LW1
DJNZ R4,LW2
DJNZ R6,LW3
RET
DELAY1:MOV R3,#46D
BACK: MOV TH0,#0FDH
MOV TL0,#00000000B
SETB TR0
HERE1: JNB TF0,HERE1
CLR TR0
CLR TF0
DJNZ R3,BACK
RET
DELAY2: MOV R3,#250D
BACK2: MOV TH0,#0F8H
MOV TL0,#0F1H
SETB TR0
HERE2: JNB TF0,HERE2
CLR TR0
CLR TF0
DJNZ R3,BACK2
RET
READ_KEYPRESS:nop
DJNZ R2,CHECK
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_F3
ACALL SEND
ACALL DELAY1
SETB P2.3
ACALL DELAY4
CLR P2.3
LL1:SJMP LL1
CHECK:ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TRIAL
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV A,#30H
ADD A,R2
ACALL DATA_WRITE
ACALL DELAY1
ACALL DELAY2
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#IPMSG
ACALL SEND
ACALL LINE2
MOV DPTR ,#ENTER2
ACALL SEND
ACALL DELAY1
ACALL DELAY2
ACALL CLRSCR
ACALL LINE1
MOV DPTR ,#USE1
ACALL SEND
ACALL LINE2
MOV R0,#70H
AGAIN:MOV ROW,#00H
MOV A,COL
ANL A,#0FH
CJNE A,#0FH,JUMP1
SJMP AGAIN
JUMP1: ACALL DELAY
MOV A,COL
ANL A,#0FH
CJNE A,#0FH,GO_KEY
ACALL DELAY
DELAY:MOV R6,#255
LABEL2:MOV R7,#8
LABEL1:DJNZ R7,LABEL1
DJNZ R6,LABEL2
RET
GO_KEY:LJMP KEY_SCAN
SJMP AGAIN
RET
CHECK_PASSWORD:ACALL CLRSCR
MOV DPTR,#CHKMSG
ACALL SEND
ACALL DELAY1
MOV R3,#5d
MOV R0,#70h
MOV DPTR,#PASSW
RPTT:CLR A
MOVC A,@A+DPTR
XRL A,@R0
JNZ FL
INC R0
INC DPTR
DJNZ R3,RPTT
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_S1
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV DPTR,#TEXT_S2
ACALL SEND
ACALL DELAY1
SETB P2.0
ACALL DELAY4
CLR P2.0
ACALL DELAY1
ACALL DELAY2
SETB P2.1
ACALL DELAY4
CLR P2.1
LJMP MAIN
FL:MOV R3,#5d
MOV R0,#70h
MOV DPTR,#PASSW1
RPTT1:CLR A
MOVC A,@A+DPTR
XRL A,@R0
JNZ FL1
INC R0
INC DPTR
DJNZ R3,RPTT1
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_S1
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV DPTR,#TEXT_S2
ACALL SEND
ACALL DELAY1
SETB P2.0
ACALL DELAY4
CLR P2.0
ACALL DELAY1
ACALL DELAY2
SETB P2.1
ACALL DELAY4
CLR P2.1
LJMP MAIN
FL1:MOV R3,#5d
MOV R0,#70h
MOV DPTR,#PASSW2
RPTT2:CLR A
MOVC A,@A+DPTR
XRL A,@R0
JNZ FL2
INC R0
INC DPTR
DJNZ R3,RPTT2
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_S1
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV DPTR,#TEXT_S2
ACALL SEND
ACALL DELAY1
SETB P2.0
ACALL DELAY4
CLR P2.0
ACALL DELAY1
ACALL DELAY2
SETB P2.1
ACALL DELAY4
CLR P2.1
LJMP MAIN
FL2:ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_F1
ACALL SEND
ACALL DELAY1
ACALL LINE2
MOV DPTR,#TEXT_F2
ACALL SEND
ACALL DELAY1
GOBACK:LJMP TRY_AGAIN1
KEY_SCAN:NOP
MOV DPTR,#data1
MOV ROW,#11111110B
ACALL COL_CHECK
MOV ROW,#11111101B
ACALL COL_CHECK
MOV ROW,#11111011B
ACALL COL_CHECK
MOV ROW,#11110111B
ACALL COL_CHECK1
RET
COL_CHECK: JNB P3.0,FOUND
INC DPTR
JNB P3.1,FOUND
INC DPTR
JNB P3.2,FOUND
INC DPTR
JNB P3.3,FOUND
INC DPTR
RET
COL_CHECK1: JNB P3.0,FOUND
INC DPTR
JNB P3.1,FOUND
INC DPTR
JNB P3.2,CP1
CP1:LJMP CHECK_PASSWORD1
JNB P3.3,CP
CP:LJMP CHECK_PASSWORD
RET
FOUND:CLR A
MOVC A,@A+DPTR
MOV @ R1,A
INC R1
MOV @R0,A
INC R0
MOV A,#2AH
ACALL DATA_WRITE
ACALL DELAY2
LJMP AGAIN
NEXT16:RET
CHECK_PASSWORD1:ACALL CLRSCR
MOV DPTR,#CHKMSG1
ACALL SEND
ACALL DELAY1
MOV R3,#3d
MOV R1,#50h
MOV DPTR,#USERID
RPT1:CLR A
MOVC A,@A+DPTR
XRL A,@R1
JNZ FAIL1
INC R1
INC DPTR
DJNZ R3,RPT1
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_S3
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV R2,#6H
SJMP GOBACK1
FAIL1:MOV R3,#3d
MOV R1,#50h
MOV DPTR,#USERID1
RPT2:CLR A
MOVC A,@A+DPTR
XRL A,@R1
JNZ FAIL2
INC R1
INC DPTR
DJNZ R3,RPT2
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_S3
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV R2,#6H
SJMP GOBACK1
FAIL2:MOV R3,#3d
MOV R1,#50h
MOV DPTR,#USERID2
RPT3:CLR A
MOVC A,@A+DPTR
XRL A,@R1
JNZ FAIL3
INC R1
INC DPTR
DJNZ R3,RPT3
ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_S3
ACALL SEND
ACALL LINE2
ACALL DELAY1
MOV R2,#6H
SJMP GOBACK1
FAIL3: ACALL CLRSCR
ACALL LINE1
MOV DPTR,#TEXT_F4
ACALL SEND
ACALL DELAY1
ACALL DELAY1
LJMP TRY_AGAIN
GOBACK1:LJMP TRY_AGAIN1
org 0A50H
INIT_COMMANDS: DB 0CH,01H,06H,80H,3CH,0
data1: db 31H,32H,33H,41H, 34H,35H,36H,42H, 37H,38H,39H,43H ,2AH,30H,0
TEXT1: DB "PASSWORD BASED",0
TEXT2: DB "SECURITY SYSTEM",0
ENTER1: DB "AND PRESS # ",0
ENTER2: DB " AND PRESS D ",0
IPMSG: DB "GIVE 5 DIGITS",0
IPMSG1: DB "GIVE USER ID",0
USE: DB "INPUT ID",0
USE1: DB "INPUT PASSWORD",0
CHKMSG: DB "CHECKING PASSWORD",0
CHKMSG1: DB "CHECKING ID",0
TEXT_S1: DB "ACCESS - GRANTED",0
TEXT_S3: DB "CORRECT ID",0
TEXT_S2: DB "DOOR OPENED",0
TEXT_F1: DB "WRONG PASSWORD",0
TEXT_F4: DB "WRONG ID",0
TEXT_F2: DB "TRY AGAIN",0
TEXT_F3: DB "ACCESS - DENIED",0
TRIAL: DB "TRAIL REMAIN",0
USERID: DB 41H,42H,43H,0
USERID1: DB 42H,41H,43H,0
USERID2: DB 43H,41H,42H,0
ORG 0A00H
PASSW: DB 35h,35h,34h,31h,39h,0
PASSW1: DB 31h,32h,33h,34h,35h,0
PASSW2: DB 35h,34h,33h,32h,31h,0
END