anupambd94
Newbie level 3
I am trying to make a solar mobile charger. but the LED showing garbage .. Please help me.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 $MOD51 ; LCD 4-BIT MODE CONNECTIONS RS EQU P1.7 ;LCD REGISTER SELECT LINE EN EQU P1.6 ;LCD ENABLE LINE DB4 EQU P1.5 ; DB5 EQU P1.4 ; DB6 EQU P1.3 ; DB7 EQU P1.2 ; ; ADC0831 CONNECTIONS CS EQU P3.0 CLK EQU P3.1 DO EQU P3.2 ;INPUT & OUTPUT DYI EQU P3.4 ; SOLAR PANEL VOLTAGE SENSOR CHG_RL EQU P3.5 ; CHARGING CONTROL RELAY LD_RL EQU P3.7 ; LOAD CONTROL RELAY DSEG ORG 0020H VAL1: DS 1 VAL2: DS 1 VAL3: DS 1 ADC_VAL: DS 1 BUF: DS 1 CNT1: DS 1 CNT2: DS 1 IMG: DS 1 FLAGS: DS 1 OCF BIT FLAGS.0 ; OVER CHARGE FLAG LBF BIT FLAGS.1 ; LOW BATT FLAG CSEG ORG 0000H JMP MAIN ORG 000BH ;Timer Interrupt0 JMP COUNTDOWN MAIN: MOV SP,#50H MOV P3,#0FFH MOV P1,#0FFH CLR CHG_RL CLR LD_RL LCALL PWR_DELAY LCALL INIT SETB CLK SETB DO SETB CS SETB DYI MOV VAL1,#00H MOV VAL2,#00H MOV VAL3,#00H MOV FLAGS,#00H LOADCHAR: MOV BUF,#40H LCALL CMD MOV DPTR,#RCHAR REP: CLR A MOVC A,@A+DPTR JZ SCREEN1 MOV BUF,A LCALL DAT INC DPTR SJMP REP SCREEN1: MOV BUF,#80H LCALL CMD MOV DPTR,#MSG1 HERE: CLR A MOVC A,@A+DPTR JZ NEXT MOV BUF,A LCALL DAT INC DPTR SJMP HERE NEXT: MOV BUF,#0C0H LCALL CMD MOV DPTR,#MSG2 HERE1: CLR A MOVC A,@A+DPTR JZ OVER MOV BUF,A LCALL DAT INC DPTR SJMP HERE1 OVER: LCALL ONE_SEC_DELAY LCALL ONE_SEC_DELAY LCALL CLEAR MOV BUF,#0C0H LCALL CMD MOV DPTR,#MSG7 HERE2:CLR A MOVC A,@A+DPTR JZ CONVERT MOV BUF,A LCALL DAT INC DPTR SJMP HERE2 CONVERT: LCALL DDELAY CLR CS ; INITIATE CONVERSION SETB CLK CLR CLK ; FIRST CLOCK SETB CLK CLR CLK ; SECOND CLOCK MOV A,#00H ; CLEAR A MOV R5,#08H ; 8 CLOCK PULSES AGAIN: MOV C,DO RLC A SETB CLK CLR CLK DJNZ R5,AGAIN SETB CS MOV ADC_VAL,A MOV B,#79D MUL AB ; PRODUCT IN AB MOV R1,B ; HIGH BYTE IN B MOV R2,A ; LOW BYTE IN A LCALL HEX2BCD MOV VAL1,R7 MOV VAL2,R6 MOV VAL3,R5 LCALL SENDVAL2LCD CHECK: JNB LBF,CHECK2 ; SEE IF ANY FLAGS ARE SET ,i,e LOW BATT FLAG OR BATT FULL FLAG JB DYI,CONVERT CHECK2:JNB OCF,PROCEED JB DYI,NIGHT SJMP CONVERT PROCEED:JB DYI,NIGHT CLR LD_RL ; OFF LOAD CLR LBF ; CLEAR LOW BATT FLAG MOV A,VAL2 ; SEE IF BATT.IS FULL XRL A,#04H JZ FULLCHG CLR CHG_RL ; CONNECT BATT. TO PANEL MOV DPTR,#MSG4 ; DISPLAY CHARGING MSG MOV IMG,#00H LCALL SENDSTAT2LCD LJMP CONVERT FULLCHG: SETB OCF ;SET OVERCHARGE FLAG SETB CHG_RL ;DISCONNECT BATT.FROM PANEL MOV TH0,#03CH ;START 5 MIN TIMER HERE MOV TL0,#0B0H ;DISCONNECT BATT FROM PANEL MOV CNT1,#200D MOV CNT2,#30D SETB ET0 SETB TR0 SETB EA MOV DPTR,#MSG5 ; DISPLAY BATT.FULL MSG MOV IMG,#01H LCALL SENDSTAT2LCD LJMP CONVERT NIGHT: CLR CHG_RL ; RECONNECT BATT. TO PANEL CLR TR0 ; STOP TIMER0 INCASE ITS RUNNING CLR OCF ; CLEAR OVER CHARGE FLAG SETB LD_RL ; CONNECT LOAD TO BATT. MOV A,VAL1 XRL A,#00H JZ LOWBAT MOV DPTR,#MSG3 ; DISPLAY LOAD ON MSG MOV IMG,#02H LCALL SENDSTAT2LCD LJMP CONVERT LOWBAT: SETB LBF CLR LD_RL ; DISCONNECT LOAD FROM BATT. MOV DPTR,#MSG6 ; DISPLAY BAT.OW AND LOAD OFF MSG MOV IMG,#03H LCALL SENDSTAT2LCD LJMP CONVERT ;****************************************************************************** SENDVAL2LCD: MOV BUF,#0C7H LCALL CMD MOV A,VAL1 ORL A,#30H MOV BUF,A LCALL DAT MOV A,VAL2 ORL A,#30H MOV BUF,A LCALL DAT MOV BUF,#'.' LCALL DAT MOV A,VAL3 ORL A,#30H MOV BUF,A LCALL DAT RET ;****************************************************************************** SENDSTAT2LCD: MOV BUF,#080H LCALL CMD HERE3: CLR A MOVC A,@A+DPTR JZ PICT MOV BUF,A LCALL DAT INC DPTR SJMP HERE3 PICT: MOV BUF,#0CEH LCALL CMD MOV BUF,IMG LCALL DAT BACK: RET ;****************************************************************************** ; TIMER0 ISR (5 MINUTES TIMER) ;****************************************************************************** COUNTDOWN: CLR TR0 MOV TH0,#03CH MOV TL0,#0B0H SETB TR0 DJNZ CNT1,BACK2 MOV CNT1,#200D DJNZ CNT2,BACK2 CLR TR0 ; OFF 5 MIN TIMER CLR ET0 CLR OCF ; CLEAR OVER CHARGE FLAG CLR CHG_RL ; RE-CONNECT BATT TO PANEL BACK2: RETI ;****************************************************************************** Hex2BCD: MOV R3,#00D MOV R4,#00D MOV R5,#00D MOV R6,#00D MOV R7,#00D ACALL H2B RET H2B: MOV B,#10D MOV A,R2 DIV AB MOV R3,B ; MOV B,#10 ; R7,R6,R5,R4,R3 DIV AB MOV R4,B MOV R5,A CJNE R1,#00H,HIGH_BYTE ; CHECK FOR HIGH BYTE SJMP ENDD HIGH_BYTE: MOV A,#6 ADD A,R3 MOV B,#10 DIV AB MOV R3,B ADD A,#5 ADD A,R4 MOV B,#10 DIV AB MOV R4,B ADD A,#2 ADD A,R5 MOV B,#10 DIV AB MOV R5,B CJNE R6,#00D,ADD_IT SJMP CONTINUE ADD_IT: ADD A,R6 CONTINUE: MOV R6,A DJNZ R1,HIGH_BYTE MOV B, #10D MOV A,R6 DIV AB MOV R6,B MOV R7,A ENDD: RET ;************************************************************************************ ONE_SEC_DELAY: MOV R0,#10D ; One second delay routine RZ3: MOV R1,#100D RZ1: MOV R2,#250D RZ2: NOP NOP DJNZ R2,RZ2 DJNZ R1,RZ1 DJNZ R0,RZ3 RET ;************************************************************************************ PWR_DELAY: ; 15 mSec DELAY FOR LCD TO INTIALIZE AFTER POWER-ON MOV R4,#100D H2: MOV R3,#250D H1: DJNZ R3,H1 DJNZ R4,H2 RET ;********************LCD SUBROUTINES************************************** CMD: PUSH ACC ; SAVE ACCUMULATOR SETB EN CLR RS ; SELECT SEND COMMAND MOV A,BUF ; PUT DATA BYTE IN ACC MOV C, ACC.4 ; LOAD HIGH NIBBLE ON DATA BUS MOV DB4,C ; ONE BIT AT A TIME USING... MOV C, ACC.5 ; BIT MOVE OPERATOINS MOV DB5,C MOV C, ACC.6 MOV DB6,C MOV C, ACC.7 MOV DB7,C CLR EN NOP SETB EN ; PULSE THE ENABLE LINE MOV C, ACC.0 ; SIMILARLY, LOAD LOW NIBBLE MOV DB4,C MOV C, ACC.1 MOV DB5,C MOV C, ACC.2 MOV DB6,C MOV C, ACC.3 MOV DB7,C CLR EN NOP SETB EN ; PULSE THE ENABLE LINE LCALL MSDELAY POP ACC RET ; ********************LCD SUBROUTINES************************************** DAT: PUSH ACC ; SAVE ACCUMULATOR SETB EN SETB RS ; SELECT SEND DATA MOV A, BUF ; PUT DATA BYTE IN ACC MOV C, ACC.4 ; LOAD HIGH NIBBLE ON DATA BUS MOV DB4,C ; ONE BIT AT A TIME USING... MOV C, ACC.5 ; BIT MOVE OPERATOINS MOV DB5,C MOV C, ACC.6 MOV DB6,C MOV C, ACC.7 MOV DB7,C CLR EN NOP SETB EN ; PULSE THE ENABLE LINE MOV C, ACC.0 ; SIMILARLY, LOAD LOW NIBBLE MOV DB4,C MOV C, ACC.1 MOV DB5,C MOV C, ACC.2 MOV DB6,C MOV C, ACC.3 MOV DB7,C CLR EN NOP SETB EN ; PULSE THE ENABLE LINENOP LCALL MSDELAY POP ACC RET ;********************LCD SUBROUTINES************************************** CLEAR: MOV BUF,#01H LCALL CMD RET ;****************************LCD SUBROUTINES**************************************** DDELAY: MOV R5,#41D ; 4.1 mS DELAY QT2: MOV R6,#50D QT1: DJNZ R6,QT1 DJNZ R5,QT2 RET ;****************************LCD SUBROUTINES**************************************** MSDELAY: MOV R5,#26D QT22: MOV R6,#50D QT11: DJNZ R6,QT11 DJNZ R5,QT22 RET ;****************************LCD SUBROUTINES**************************************** INIT: MOV BUF,#30H ; FUNCTION SET - DATA BITS, LINES, FONTS LCALL CMD ACALL DDELAY ;INITIAL DELAY 4.1MSEC MOV BUF,#30H ; FUNCTION SET - DATA BITS, LINES, FONTS LCALL CMD ACALL DDELAY ;INITIAL DELAY 4.1MSEC MOV BUF,#30H ; FUNCTION SET - DATA BITS, LINES, FONTS LCALL CMD ACALL DDELAY ;INITIAL DELAY 4.1MSEC MOV BUF,#28H ;2 LINES 5X7, 4-BIT MODE LCALL CMD MOV BUF,#0CH ; DISPLAY ON LCALL CMD MOV BUF,#01H ; CLEAR DISPLAY, HOME CURSOR LCALL CMD MOV BUF,#06H ; SET ENTRY MODE LCALL CMD ; INCREMENT CURSOR RIGHT, NO SHIFT RET ;************************************************************************************ ORG 0320H MSG1: DB ' SOLAR CHARGE ',00H MSG2: DB ' CONTROLLER-EFY ',00H MSG3: DB ' LOAD ON ',00H MSG4: DB ' CHARGING ',00H MSG5: DB ' BATTERY FULL ',00H MSG6: DB 'BAT.LOW-LOAD OFF',00H MSG7: DB 'Volts: ',00H ORG 0400H RCHAR: DB 04D,31D,17D,31D,17D,31D,17D,31D ; CHARGING DB 04D,31D,31D,31D,31D,31D,31D,31D ; FULL DB 31D,31D,14D,04D,04D,14D,31D,31D ; LOAD DB 04D,31D,17D,17D,17D,17D,17D,31D ; LOW BATT DB 31D,31D,31D,31D,31D,31D,31D,31D DB 31D,31D,31D,31D,31D,31D,31D,31D DB 31D,31D,31D,31D,31D,31D,31D,31D DB 031D,31D,31D,31D,31D,31D,31D,31D,00H END