Shadi Ghabboun
Newbie level 3
- Joined
- Apr 12, 2013
- Messages
- 3
- Helped
- 0
- Reputation
- 0
- Reaction score
- 0
- Trophy points
- 1,281
- Activity points
- 1,385
Post your code. What do you mean by Range 0 - 10?
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 #include "p16f877a.inc" cblock 0x20 lsd ;lsd and msd are used in delay loop calculation msd temp temp1 temp2 temp3 ones units tens hundreds count1 TEMP endc ;************************************************** ORG 0X000 GOTO Main ORG 0X004 GOTO ISR ;*************************************************** Main Banksel INTCON BCF INTCON,GIE ; interrupts are disabled call initial GOTO Welcome ;**************************************************** initial Banksel TRISA movlw b'00100011' ; RA0, RA1, RA5 are input movwf TRISA Clrf TRISD Banksel TRISE ; PORTE is output Clrf TRISE Banksel TRISB movlw b'11110000' ; RB7, RB6, RB5, RB4 are input movwf TRISB Banksel PORTB clrf PORTB Banksel TRISC clrf TRISC Banksel PORTC clrf PORTC clrf tens clrf units Banksel ADCON1 movlw b'00000010' ;set pin 0,1,5 of PORTA as analog input & the result is left justified movwf ADCON1 Banksel PORTA Clrf PORTA Clrf PORTD Clrf tens Clrf ones Banksel INTCON bcf INTCON,RBIF bsf INTCON,RBIE ;LCD Initialization Movlw 0x38 ;8-bit mode, 2-line display, 5x7 dot format Call send_cmd Movlw 0x0e ;Display on, Cursor Underline on, Blink off Call send_cmd Movlw 0x02 ;Display and cursor home Call send_cmd Movlw 0x01 ;clear display Call send_cmd return ;********************************************** Welcome ; Welcome To DVM! movlw 0x57 call send_char movlw 0x65 call send_char movlw 0x6C call send_char movlw 0x63 call send_char movlw 0x6F call send_char movlw 0x6D call send_char movlw 0x65 call send_char movlw 0x20 call send_char movlw 0x54 call send_char movlw 0x6F call send_char movlw 0x20 call send_char movlw 0x44 call send_char movlw 0x56 call send_char movlw 0x4D call send_char movlw 0x21 call send_char call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay call delay Movlw 0x02 ;Display and cursor home Call send_cmd Movlw 0x01 ;clear display Call send_cmd Banksel INTCON BSF INTCON,GIE BSF INTCON,RBIE BCF INTCON,RBIF wait goto wait ;********************************************** ISR call delay Banksel INTCON ;bcf INTCON,GIE btfsc PORTB,4 ; check the interrupt source GOTO range_5 btfsc PORTB,5 GOTO range_10 btfsc PORTB,6 GOTO range_15 Movlw 0x02 ; Display and cursor home Call send_cmd Movlw 0x01 ; clear display Call send_cmd BANKSEL INTCON BCF INTCON,GIE SLEEP MOVF PORTB,0 bcf INTCON,RBIF BSF INTCON,GIE MOVF PORTB,0 ret MOVF PORTB,0 BCF INTCON,RBIF RETFIE ;********************************************* TABLE addwf PCL,1 RETLW 0X30 ; "0" RETLW 0X31 ; "1" RETLW 0X32 ; "2" RETLW 0X33 ; "3" RETLW 0X34 ; "4" RETLW 0X35 ; "5" RETLW 0X36 ; "6" RETLW 0X37 ; "7" RETLW 0X38 ; "8" RETLW 0X39 ; "9" ;********************************************** ;********************************************** CHANGE_To_BCD gen_hunds MOVLW .100 ;sub 100,result keep in W SUBWF TEMP,0 BTFSS STATUS,C ;judge if the result biger than 100 GOTO gen_tens ;no,get the ten bit result MOVWF TEMP ;yes,result keep in TEMP INCF hundreds,1 ;hundred bit add 1 GOTO gen_hunds ;continue to get hundred bit result gen_tens MOVLW .10 ;sub 10,result keep in W SUBWF TEMP,0 BTFSS STATUS,C ;judge if the result bigger than 10 GOTO gen_ones ;no,get the Entries bit result MOVWF TEMP ;yes,result keep in TEMP INCF tens,1 ;ten bit add 1 GOTO gen_tens ;turn to continue get ten bit gen_ones MOVF TEMP,W MOVWF units ;the value of Entries bit RETURN ;********************************************** Display MOVF hundreds,W ;display Tens bit CALL TABLE CALL send_char MOVF tens,W ;display Units bit CALL TABLE CALL send_char movlw 0x2E ; display the dot call send_char MOVF units,W ;display fraction bit CALL TABLE CALL send_char RETURN ;********************************************** Out_Of_Range bsf PORTC,0 ; BUZZER ON Movlw 0x02 ;Display and cursor home Call send_cmd Movlw 0x01 ;clear display Call send_cmd movlw 0x4F ; display "out of range" call send_char movlw 0x75 call send_char movlw 0x74 call send_char movlw 0x20 call send_char movlw 0x4F call send_char movlw 0x66 call send_char movlw 0x20 call send_char movlw 0x52 call send_char movlw 0x61 call send_char movlw 0x6E call send_char movlw 0x67 call send_char movlw 0x65 call send_char ;BANKSEL INTCON ;BSF INTCON,GIE goto ret ;************************************************** send_cmd movwf PORTD bcf PORTE, 0 bsf PORTE, 2 nop bcf PORTE, 2 bcf PORTE, 1 call delay return ;************************************************** send_char movwf PORTD bsf PORTE, 0 bsf PORTE, 2 nop bcf PORTE, 2 bcf PORTE, 1 call delay return ;************************************************** range_5 BANKSEL INTCON BCF INTCON,GIE bcf PORTC,0 ; turn buzzer off clrw clrf temp1 ; clear the registers used in calculation clrf temp2 clrf temp3 clrf TEMP clrf hundreds clrf tens clrf units Banksel ADCON0 ; ADC on, select channel 0(AN0) movlw b'01000001' movwf ADCON0 Banksel INTCON BCF INTCON,RBIF Banksel PORTB bcf PORTB,4 Movlw 0x02 ; Display and cursor home Call send_cmd Movlw 0x01 ; clear display Call send_cmd movlw 0x52 ; display range call send_char movlw 0x61 call send_char movlw 0x6E call send_char movlw 0x67 call send_char movlw 0x65 call send_char movlw 0x3A call send_char movlw 0x20 call send_char movlw 0x30 call send_char movlw 0x2D call send_char movlw 0x35 call send_char movlw 0x20 call send_char ;movlw b'11000000' ; skip line ;call send_cmd CALL delay BSF ADCON0,GO ; startup ADC conversion WAIT BTFSS PIR1,ADIF ; Is the conversion done? GOTO WAIT ; wait conversion to be finished bcf PIR1, ADIF ; Clear the A/D flag Banksel ADRESH MOVF ADRESH,W ; read the result of conversion movwf temp1 movwf temp2 movwf temp3 banksel STATUS BCF STATUS,C RRF temp1,1 ; ADRESH/2 bcf STATUS,C RRF temp2,1 ; ADRESH/16 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp3,1 ; ADRESH/32 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 movf temp1,0 addwf temp2,0 addwf temp3,1 movlw .50 subwf temp3,0 ; check if the result is within the selected range btfsc STATUS,C goto Out_Of_Range movf temp3,0 movwf TEMP call CHANGE_To_BCD call delay call delay call Display banksel INTCON MOVF PORTB,0 bcf INTCON,RBIF BSF INTCON,GIE goto ret ;*********************************************** range_10 BANKSEL INTCON BCF INTCON,GIE bcf PORTC,0 ; turn buzzer off clrw clrf temp1 ; clear the registers used in calculation clrf temp2 clrf temp3 clrf TEMP clrf hundreds clrf tens clrf units Banksel PORTB BCF PORTB,5 Movlw 0x02 ; Display and cursor home Call send_cmd Movlw 0x01 ; clear display Call send_cmd movlw 0x52 ; display range call send_char movlw 0x61 call send_char movlw 0x6E call send_char movlw 0x67 call send_char movlw 0x65 call send_char movlw 0x3A call send_char movlw 0x20 call send_char movlw 0x30 call send_char movlw 0x2D call send_char movlw 0x31 call send_char movlw 0x30 call send_char movlw 0x20 call send_char ;movlw b'11000000' ; skip line ;call send_cmd Banksel ADCON0 ; ADC on, select channel 1(AN1) movlw b'01001001' movwf ADCON0 CALL delay BSF ADCON0,GO ; startup ADC conversion WAIT2 BTFSS PIR1,ADIF ; Is the conversion done? GOTO WAIT2 ; wait conversion to be finished bcf PIR1, ADIF ; Clear the A/D flag Banksel ADRESH MOVF ADRESH,W ; read the result of conversion movwf temp1 movwf temp2 movwf temp3 banksel STATUS BCF STATUS,C RRF temp1,1 ; ADRESH/2 bcf STATUS,C RRF temp2,1 ; ADRESH/16 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp3,1 ; ADRESH/32 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 movf temp1,0 addwf temp2,0 addwf temp3,1 movlw .100 subwf temp3,0 ; check if the result is within the selected range btfsc STATUS,C goto Out_Of_Range movf temp3,0 movwf TEMP call CHANGE_To_BCD call delay call delay call Display banksel INTCON MOVF PORTB,0 BCF INTCON,RBIF BSF INTCON,GIE goto ret ;********************************************* range_15 bcf PORTC,0 ;turn buzzer off BANKSEL INTCON BCF INTCON,GIE clrw clrf temp1 ; clear the registers used in calculation clrf temp2 clrf temp3 clrf TEMP clrf hundreds clrf tens clrf units Banksel PORTB BCF PORTB,6 Movlw 0x02 ;Display and cursor home Call send_cmd Movlw 0x01 ;clear display Call send_cmd movlw 0x52 ; display range call send_char movlw 0x61 call send_char movlw 0x6E call send_char movlw 0x67 call send_char movlw 0x65 call send_char movlw 0x3A call send_char movlw 0x20 call send_char movlw 0x30 call send_char movlw 0x2D call send_char movlw 0x31 call send_char movlw 0x35 call send_char movlw 0x20 call send_char ;movlw b'11000000' ; skip line ;call send_cmd Banksel ADCON0 ; ADC on, select channel 4(AN4) movlw b'01100001' movwf ADCON0 CALL delay BSF ADCON0,GO ;startup ADC divert WAIT3 BTFSS PIR1,ADIF ;Is the conversion done? GOTO WAIT3 ; wait conversion to be finished bcf PIR1, ADIF ; Clear the A/D flag Banksel ADRESH MOVF ADRESH,W ;read the result of conversion movwf temp1 movwf temp2 movwf temp3 banksel STATUS BCF STATUS,C RRF temp1,1 ; ADRESH/2 bcf STATUS,C RRF temp2,1 ; ADRESH/16 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp2,1 bcf STATUS,C RRF temp3,1 ; ADRESH/32 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 bcf STATUS,C RRF temp3,1 movf temp1,0 addwf temp2,0 addwf temp3,1 movlw .149 subwf temp3,0 ; check if the result is within the selected range btfsc STATUS,C goto Out_Of_Range movf temp3,0 movwf TEMP call CHANGE_To_BCD call delay call delay call Display banksel INTCON MOVF PORTB,0 BCF INTCON,RBIF BSF INTCON,GIE goto ret delay movlw 0x40 movwf msd clrf lsd loop2 decfsz lsd,f goto loop2 decfsz msd,f endLcd goto loop2 return end
movlw ' '
call send_char
movlw 'V'
call send_char
movlw '9'
call send_char
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?