lcdprintf.lst

Working with DS1820 temperature sensor on SAM7 mC. Watch for timings!

 451              		.loc 1 182 0
 452 0256 3B1C     		mov	r3, r7
 453 0258 283B     		sub	r3, r3, #40
 454 025a 1968     		ldr	r1, [r3]
 455 025c 0A1D     		add	r2, r1, #4
 456 025e 3B1C     		mov	r3, r7
 457 0260 283B     		sub	r3, r3, #40
 458 0262 1A60     		str	r2, [r3]
 459 0264 0B1C     		mov	r3, r1
 460 0266 3A1C     		mov	r2, r7
 461 0268 083A     		sub	r2, r2, #8
 462 026a 1B68     		ldr	r3, [r3]
 463 026c 1360     		str	r3, [r2]
 464              	.L38:
 183:LCD/lcdprintf.c **** #else
 184:LCD/lcdprintf.c ****         s_val = va_arg(ap,int);
 185:LCD/lcdprintf.c **** #endif
 186:LCD/lcdprintf.c **** 
 187:LCD/lcdprintf.c ****         if(s_val < 0) //Value negativ ?
 465              		.loc 1 187 0
 466 026e 3B1C     		mov	r3, r7
 467 0270 083B     		sub	r3, r3, #8
 468 0272 1B68     		ldr	r3, [r3]
 469 0274 002B     		cmp	r3, #0
 470 0276 09DA     		bge	.L39
 188:LCD/lcdprintf.c ****          {
 189:LCD/lcdprintf.c ****           s_val = - s_val; //Make it positiv
 471              		.loc 1 189 0
 472 0278 3A1C     		mov	r2, r7
 473 027a 083A     		sub	r2, r2, #8
 474 027c 3B1C     		mov	r3, r7
 475 027e 083B     		sub	r3, r3, #8
 476 0280 1B68     		ldr	r3, [r3]
 477 0282 5B42     		neg	r3, r3
 478 0284 1360     		str	r3, [r2]
 190:LCD/lcdprintf.c ****           lcdmyputchar('-');    //Output sign
 479              		.loc 1 190 0
 480 0286 2D20     		mov	r0, #45
 481 0288 FFF7FEFF 		bl	lcdmyputchar
 482              	.L39:
 191:LCD/lcdprintf.c ****          }
 192:LCD/lcdprintf.c **** 
 193:LCD/lcdprintf.c ****         u_val = (unsigned long)s_val;
 483              		.loc 1 193 0
 484 028c 3B1C     		mov	r3, r7
 485 028e 0C3B     		sub	r3, r3, #12
 486 0290 3A1C     		mov	r2, r7
 487 0292 083A     		sub	r2, r2, #8
 488 0294 1268     		ldr	r2, [r2]
 489 0296 1A60     		str	r2, [r3]
 490 0298 1DE0     		b	.L41
 491              	.L34:
 194:LCD/lcdprintf.c ****        }
 195:LCD/lcdprintf.c ****       else //Unsigned types
 196:LCD/lcdprintf.c ****        {
 197:LCD/lcdprintf.c **** #ifdef USE_LONG
 198:LCD/lcdprintf.c ****         if(islong) { u_val = va_arg(ap,unsigned long); }
 492              		.loc 1 198 0
 493 029a 3B1C     		mov	r3, r7
 494 029c 0D3B     		sub	r3, r3, #13
 495 029e 1B78     		ldrb	r3, [r3]
 496 02a0 002B     		cmp	r3, #0
 497 02a2 0CD0     		beq	.L42
 498 02a4 3B1C     		mov	r3, r7
 499 02a6 283B     		sub	r3, r3, #40
 500 02a8 1968     		ldr	r1, [r3]
 501 02aa 0A1D     		add	r2, r1, #4
 502 02ac 3B1C     		mov	r3, r7
 503 02ae 283B     		sub	r3, r3, #40
 504 02b0 1A60     		str	r2, [r3]
 505 02b2 0B1C     		mov	r3, r1
 506 02b4 3A1C     		mov	r2, r7
 507 02b6 0C3A     		sub	r2, r2, #12
 508 02b8 1B68     		ldr	r3, [r3]
 509 02ba 1360     		str	r3, [r2]
 510 02bc 0BE0     		b	.L41
 511              	.L42:
 199:LCD/lcdprintf.c ****         else { u_val = va_arg(ap,unsigned int); }
 512              		.loc 1 199 0
 513 02be 3B1C     		mov	r3, r7
 514 02c0 283B     		sub	r3, r3, #40
 515 02c2 1968     		ldr	r1, [r3]
 516 02c4 0A1D     		add	r2, r1, #4
 517 02c6 3B1C     		mov	r3, r7
 518 02c8 283B     		sub	r3, r3, #40
 519 02ca 1A60     		str	r2, [r3]
 520 02cc 0B1C     		mov	r3, r1
 521 02ce 3A1C     		mov	r2, r7
 522 02d0 0C3A     		sub	r2, r2, #12
 523 02d2 1B68     		ldr	r3, [r3]
 524 02d4 1360     		str	r3, [r2]
 525              	.L41:
 200:LCD/lcdprintf.c **** #else
 201:LCD/lcdprintf.c ****         u_val = va_arg(ap,unsigned int);
 202:LCD/lcdprintf.c **** #endif
 203:LCD/lcdprintf.c ****        }
 204:LCD/lcdprintf.c ****     
 205:LCD/lcdprintf.c ****       ptr = scratch + SCRATCH;
 526              		.loc 1 205 0
 527 02d6 3A1C     		mov	r2, r7
 528 02d8 143A     		sub	r2, r2, #20
 529 02da 3B1C     		mov	r3, r7
 530 02dc 233B     		sub	r3, r3, #35
 531 02de 0C33     		add	r3, r3, #12
 532 02e0 1360     		str	r3, [r2]
 206:LCD/lcdprintf.c ****       *--ptr = 0;
 533              		.loc 1 206 0
 534 02e2 3A1C     		mov	r2, r7
 535 02e4 143A     		sub	r2, r2, #20
 536 02e6 3B1C     		mov	r3, r7
 537 02e8 143B     		sub	r3, r3, #20
 538 02ea 1B68     		ldr	r3, [r3]
 539 02ec 013B     		sub	r3, r3, #1
 540 02ee 1360     		str	r3, [r2]
 541 02f0 3B1C     		mov	r3, r7
 542 02f2 143B     		sub	r3, r3, #20
 543 02f4 1A68     		ldr	r2, [r3]
 544 02f6 0023     		mov	r3, #0
 545 02f8 1370     		strb	r3, [r2]
 546              	.L44:
 547              	.LBB2:
 207:LCD/lcdprintf.c ****       do
 208:LCD/lcdprintf.c ****        {
 209:LCD/lcdprintf.c ****         char ch = u_val % base + '0';
 548              		.loc 1 209 0
 549 02fa 3B1C     		mov	r3, r7
 550 02fc 163B     		sub	r3, r3, #22
 551 02fe 1A88     		ldrh	r2, [r3]
 552 0300 3B1C     		mov	r3, r7
 553 0302 0C3B     		sub	r3, r3, #12
 554 0304 1B68     		ldr	r3, [r3]
 555 0306 181C     		mov	r0, r3
 556 0308 111C     		mov	r1, r2
 557 030a FFF7FEFF 		bl	__umodsi3
 558 030e 031C     		mov	r3, r0
 559 0310 1B06     		lsl	r3, r3, #24
 560 0312 1B0E     		lsr	r3, r3, #24
 561 0314 7A1E     		sub	r2, r7, #1
 562 0316 3033     		add	r3, r3, #48
 563 0318 1370     		strb	r3, [r2]
 210:LCD/lcdprintf.c **** #ifdef USE_HEX
 211:LCD/lcdprintf.c ****         if (ch > '9')
 564              		.loc 1 211 0
 565 031a 7B1E     		sub	r3, r7, #1
 566 031c 1B78     		ldrb	r3, [r3]
 567 031e 392B     		cmp	r3, #57
 568 0320 0DD9     		bls	.L45
 212:LCD/lcdprintf.c ****          {
 213:LCD/lcdprintf.c ****           ch += 'a' - '9' - 1;
 569              		.loc 1 213 0
 570 0322 7B1E     		sub	r3, r7, #1
 571 0324 1B78     		ldrb	r3, [r3]
 572 0326 2733     		add	r3, r3, #39
 573 0328 1B06     		lsl	r3, r3, #24
 574 032a 1B0E     		lsr	r3, r3, #24
 575 032c 7A1E     		sub	r2, r7, #1
 576 032e 1370     		strb	r3, [r2]
 214:LCD/lcdprintf.c **** #ifdef USE_UPPERHEX
 215:LCD/lcdprintf.c ****           ch-=0x20;
 577              		.loc 1 215 0
 578 0330 7B1E     		sub	r3, r7, #1
 579 0332 1B78     		ldrb	r3, [r3]
 580 0334 203B     		sub	r3, r3, #32
 581 0336 1B06     		lsl	r3, r3, #24
 582 0338 1B0E     		lsr	r3, r3, #24
 583 033a 7A1E     		sub	r2, r7, #1
 584 033c 1370     		strb	r3, [r2]
 585              	.L45:
 216:LCD/lcdprintf.c **** #endif
 217:LCD/lcdprintf.c ****          }
 218:LCD/lcdprintf.c **** #endif          
 219:LCD/lcdprintf.c ****         *--ptr = ch;
 586              		.loc 1 219 0
 587 033e 3A1C     		mov	r2, r7
 588 0340 143A     		sub	r2, r2, #20
 589 0342 3B1C     		mov	r3, r7
 590 0344 143B     		sub	r3, r3, #20
 591 0346 1B68     		ldr	r3, [r3]
 592 0348 013B     		sub	r3, r3, #1
 593 034a 1360     		str	r3, [r2]
 594 034c 3B1C     		mov	r3, r7
 595 034e 143B     		sub	r3, r3, #20
 596 0350 1A68     		ldr	r2, [r3]
 597 0352 7B1E     		sub	r3, r7, #1
 598 0354 1B78     		ldrb	r3, [r3]
 599 0356 1370     		strb	r3, [r2]
 220:LCD/lcdprintf.c ****         u_val /= base;
 600              		.loc 1 220 0
 601 0358 3B1C     		mov	r3, r7
 602 035a 163B     		sub	r3, r3, #22
 603 035c 1A88     		ldrh	r2, [r3]
 604 035e 3C1C     		mov	r4, r7
 605 0360 0C3C     		sub	r4, r4, #12
 606 0362 3B1C     		mov	r3, r7
 607 0364 0C3B     		sub	r3, r3, #12
 608 0366 1868     		ldr	r0, [r3]
 609 0368 111C     		mov	r1, r2
 610 036a FFF7FEFF 		bl	__udivsi3
 611 036e 031C     		mov	r3, r0
 612 0370 2360     		str	r3, [r4]
 221:LCD/lcdprintf.c **** 
 222:LCD/lcdprintf.c **** #ifdef PADDING
 223:LCD/lcdprintf.c ****         if(width) width--; //calculate number of padding chars
 613              		.loc 1 223 0
 614 0372 BB1E     		sub	r3, r7, #2
 615 0374 1B78     		ldrb	r3, [r3]
 616 0376 002B     		cmp	r3, #0
 617 0378 04D0     		beq	.L47
 618 037a BA1E     		sub	r2, r7, #2
 619 037c BB1E     		sub	r3, r7, #2
 620 037e 1B78     		ldrb	r3, [r3]
 621 0380 013B     		sub	r3, r3, #1
 622 0382 1370     		strb	r3, [r2]
 623              	.L47:
 624              	.LBE2:
 224:LCD/lcdprintf.c **** #endif
 225:LCD/lcdprintf.c ****       } while (u_val);
 625              		.loc 1 225 0
 626 0384 3B1C     		mov	r3, r7
 627 0386 0C3B     		sub	r3, r3, #12
 628 0388 1B68     		ldr	r3, [r3]
 629 038a 002B     		cmp	r3, #0
 630 038c B5D1     		bne	.L44
 226:LCD/lcdprintf.c **** 
 227:LCD/lcdprintf.c **** #ifdef PADDING
 228:LCD/lcdprintf.c ****      while(width--) *--ptr = fill; //insert padding chars		      
 631              		.loc 1 228 0
 632 038e 0CE0     		b	.L50
 633              	.L51:
 634 0390 3A1C     		mov	r2, r7
 635 0392 143A     		sub	r2, r2, #20
 636 0394 3B1C     		mov	r3, r7
 637 0396 143B     		sub	r3, r3, #20
 638 0398 1B68     		ldr	r3, [r3]
 639 039a 013B     		sub	r3, r3, #1
 640 039c 1360     		str	r3, [r2]
 641 039e 3B1C     		mov	r3, r7
 642 03a0 143B     		sub	r3, r3, #20
 643 03a2 1A68     		ldr	r2, [r3]
 644 03a4 FB1E     		sub	r3, r7, #3
 645 03a6 1B78     		ldrb	r3, [r3]
 646 03a8 1370     		strb	r3, [r2]
 647              	.L50:
 648 03aa BA1E     		sub	r2, r7, #2
 649 03ac BB1E     		sub	r3, r7, #2
 650 03ae 1B78     		ldrb	r3, [r3]
 651 03b0 013B     		sub	r3, r3, #1
 652 03b2 1370     		strb	r3, [r2]
 653 03b4 BB1E     		sub	r3, r7, #2
 654 03b6 1B78     		ldrb	r3, [r3]
 655 03b8 FF2B     		cmp	r3, #255
 656 03ba E9D1     		bne	.L51
 229:LCD/lcdprintf.c **** #endif
 230:LCD/lcdprintf.c **** 
 231:LCD/lcdprintf.c ****       while(*ptr) { lcdmyputchar(*ptr); ptr++; }
 657              		.loc 1 231 0
 658 03bc 0DE0     		b	.L53
 659              	.L54:
 660 03be 3B1C     		mov	r3, r7
 661 03c0 143B     		sub	r3, r3, #20
 662 03c2 1B68     		ldr	r3, [r3]
 663 03c4 1B78     		ldrb	r3, [r3]
 664 03c6 181C     		mov	r0, r3
 665 03c8 FFF7FEFF 		bl	lcdmyputchar
 666 03cc 3A1C     		mov	r2, r7
 667 03ce 143A     		sub	r2, r2, #20
 668 03d0 3B1C     		mov	r3, r7
 669 03d2 143B     		sub	r3, r3, #20
 670 03d4 1B68     		ldr	r3, [r3]
 671 03d6 0133     		add	r3, r3, #1
 672 03d8 1360     		str	r3, [r2]
 673              	.L53:
 674 03da 3B1C     		mov	r3, r7
 675 03dc 143B     		sub	r3, r3, #20
 676 03de 1B68     		ldr	r3, [r3]
 677 03e0 1B78     		ldrb	r3, [r3]
 678 03e2 002B     		cmp	r3, #0
 679 03e4 EBD1     		bne	.L54
 232:LCD/lcdprintf.c ****     }
 233:LCD/lcdprintf.c ****   }
 680              		.loc 1 233 0
 681 03e6 49E6     		b	.L8
 682              	.L55:
 234:LCD/lcdprintf.c **** }
 683              		.loc 1 234 0
 684 03e8 BD46     		mov	sp, r7
 685              		@ sp needed for prologue
 686 03ea 90BC     		pop	{r4, r7}
 687 03ec 08BC     		pop	{r3}
 688 03ee 04B0     		add	sp, sp, #16
 689 03f0 1847     		bx	r3
 690              	.L58:
 691 03f2 0000     		.align	2
 692              	.L57:
 693 03f4 00000000 		.word	.L28
 694              	.LFE291:
 759              	.Letext0:
DEFINED SYMBOLS
                            *ABS*:00000000 lcdprintf.c
/cygdrive/c/DOCUME~1/Dima/LOCALS~1/Temp/cc2zXpXS.s:1      .text:00000000 $t
/cygdrive/c/DOCUME~1/Dima/LOCALS~1/Temp/cc2zXpXS.s:15     .text:00000000 lcdmyputchar
/cygdrive/c/DOCUME~1/Dima/LOCALS~1/Temp/cc2zXpXS.s:59     .text:00000030 lcdprintf
/cygdrive/c/DOCUME~1/Dima/LOCALS~1/Temp/cc2zXpXS.s:293    .rodata:00000000 $d
/cygdrive/c/DOCUME~1/Dima/LOCALS~1/Temp/cc2zXpXS.s:693    .text:000003f4 $d

UNDEFINED SYMBOLS
LCDSendCommand
LCDSendChar
__umodsi3
__udivsi3