main.lst

旋转16个LED灯控制程序

 414 00bc 0F90      		pop __tmp_reg__
 415 00be 1F90      		pop __zero_reg__
 416 00c0 1895      		reti
 417               	/* epilogue end (size=7) */
 418               	/* function __vector_6 size 41 (27) */
 420               	.Lscope2:
 423               	.global	__vector_4
 425               	__vector_4:
 316:main.c        ****     }
 317:main.c        ****   
 318:main.c        ****   #endif
 319:main.c        **** 
 320:main.c        **** }
 321:main.c        **** 
 322:main.c        **** // As we sweep around the circle, we display 256 radial pixel
 323:main.c        **** // lines, once per TIMER1 interrupt.  This is broken down into
 324:main.c        **** // 16 16-pixel wide characters, and we have two characters
 325:main.c        **** // stacked vertically.  To save time, we keep track of the
 326:main.c        **** // character number, pixel number (in the character), and
 327:main.c        **** // pointers into the eeprom for each of the two chars being
 328:main.c        **** // displayed.
 329:main.c        **** 
 330:main.c        **** // This code has to be fast enough to complete execution before
 331:main.c        **** // it gets interrupted again - and it must not make any subroutine
 332:main.c        **** // calls, since that'll mess up the stack and cause the entire
 333:main.c        **** // system to reset.
 334:main.c        **** 
 335:main.c        **** volatile uint8_t pixelNum = 0xFF;		// pixel number
 336:main.c        **** 
 337:main.c        **** // This routine gets called every time the pixel timer runs down;
 338:main.c        **** // in other words, once per "scan line", 256 times per revolution
 339:main.c        **** // of the SpokePOV.  Its purpose is to update the LEDs.
 340:main.c        **** 
 341:main.c        **** SIGNAL (SIG_TIMER1_COMPA) {
 427               	.LM30:
 428               	/* prologue: frame size=0 */
 429 00c2 1F92      		push __zero_reg__
 430 00c4 0F92      		push __tmp_reg__
 431 00c6 0FB6      		in __tmp_reg__,__SREG__
 432 00c8 0F92      		push __tmp_reg__
 433 00ca 1124      		clr __zero_reg__
 434 00cc 2F93      		push r18
 435 00ce 3F93      		push r19
 436 00d0 4F93      		push r20
 437 00d2 5F93      		push r21
 438 00d4 6F93      		push r22
 439 00d6 7F93      		push r23
 440 00d8 8F93      		push r24
 441 00da 9F93      		push r25
 442 00dc AF93      		push r26
 443 00de BF93      		push r27
 444 00e0 EF93      		push r30
 445 00e2 FF93      		push r31
 446               	/* prologue end (size=17) */
 342:main.c        **** 
 343:main.c        ****   // If it has been less than STANDBY_TIMEOUT seconds since the last time we
 344:main.c        ****   // got a Hall Effect sensor update, then proceed as normal and
 345:main.c        ****   // update the LEDs.
 346:main.c        ****   
 347:main.c        ****   // QUESTION: what is F_CPU?  ANSWER: FREQUENCY OF CPU (clocks/second)
 348:main.c        ****   
 349:main.c        ****   if (sensor_timer.bytes.high_byte < ( (F_CPU/NUM_PIXELS)/256 * STANDBY_TIMEOUT) / 256) {    
 448               	.LM31:
 449 00e4 8091 0000 		lds r24,sensor_timer+1
 450 00e8 8230      		cpi r24,lo8(2)
 451 00ea 08F0      		brlo .+2
 452 00ec 2CC1      		rjmp .L11
 350:main.c        ****     
 351:main.c        ****     // *** PORTA |= 0x1;
 352:main.c        ****     
 353:main.c        ****     // The first thing we do is increment our pixel position; for
 354:main.c        ****     // most of the effects, it isn't used, but it comes in handy
 355:main.c        ****     // for some
 356:main.c        ****     
 357:main.c        ****     pixelNum++;
 454               	.LM32:
 455 00ee 8091 0000 		lds r24,pixelNum
 456 00f2 8F5F      		subi r24,lo8(-(1))
 457 00f4 8093 0000 		sts pixelNum,r24
 358:main.c        ****     
 359:main.c        ****     // Unlike the char firmware, we don't check for a wraparound and shut
 360:main.c        ****     // down the display, because often we're showing full on white patterns
 361:main.c        ****     
 362:main.c        ****     // Update display based on the current code
 363:main.c        ****     
 364:main.c        ****     if (cur_code < 0x80) {
 459               	.LM33:
 460 00f8 8091 0000 		lds r24,cur_code
 461 00fc 87FD      		sbrc r24,7
 462 00fe 04C0      		rjmp .L13
 365:main.c        ****     
 366:main.c        ****       clock_scroll(line_shift);
 464               	.LM34:
 465 0100 8091 0000 		lds r24,line_shift
 466 0104 7DDF      		rcall clock_scroll
 467 0106 1FC1      		rjmp .L11
 468               	.L13:
 367:main.c        ****     
 368:main.c        ****     } else if (cur_code >= 0xF0) {
 470               	.LM35:
 471 0108 8091 0000 		lds r24,cur_code
 472 010c 803F      		cpi r24,lo8(-16)
 473 010e 08F1      		brlo .L15
 369:main.c        ****     
 370:main.c        ****       // clock out image to the LEDs
 371:main.c        ****       
 372:main.c        ****       spieeprom_read(eeprom_addr,cPattern,4);
 475               	.LM36:
 476 0110 44E0      		ldi r20,lo8(4)
 477 0112 60E0      		ldi r22,lo8(cPattern)
 478 0114 70E0      		ldi r23,hi8(cPattern)
 479 0116 8091 0000 		lds r24,eeprom_addr
 480 011a 9091 0000 		lds r25,(eeprom_addr)+1
 481 011e 00D0      		rcall spieeprom_read
 373:main.c        ****       clock_scroll(0);
 483               	.LM37:
 484 0120 80E0      		ldi r24,lo8(0)
 485 0122 6EDF      		rcall clock_scroll
 374:main.c        ****       
 375:main.c        ****       // either move to next line of pixels
 376:main.c        ****       
 377:main.c        ****       if (pixelNum != 0xFF) {
 487               	.LM38:
 488 0124 8091 0000 		lds r24,pixelNum
 489 0128 8F3F      		cpi r24,lo8(-1)
 490 012a 51F0      		breq .L16
 378:main.c        ****       
 379:main.c        ****         #ifdef CLOCKWISE
 380:main.c        ****         
 381:main.c        ****           eeprom_addr.word = eeprom_addr.word + 4;
 382:main.c        ****       
 383:main.c        ****         #else
 384:main.c        ****         
 385:main.c        ****           eeprom_addr.word = eeprom_addr.word - 4;
 492               	.LM39:
 493 012c 8091 0000 		lds r24,eeprom_addr
 494 0130 9091 0000 		lds r25,(eeprom_addr)+1
 495 0134 0497      		sbiw r24,4
 496 0136 9093 0000 		sts (eeprom_addr)+1,r25
 497 013a 8093 0000 		sts eeprom_addr,r24
 498 013e 03C1      		rjmp .L11
 499               	.L16:
 386:main.c        ****       
 387:main.c        ****         #endif
 388:main.c        ****         
 389:main.c        ****       } else {
 390:main.c        ****       
 391:main.c        ****         // or, if we've somehow wrapped around, reset to start of buffer
 392:main.c        ****         
 393:main.c        ****         #ifdef CLOCKWISE
 394:main.c        ****         
 395:main.c        ****       	  eeprom_addr.bytes.high_byte &= 0xFC;
 396:main.c        ****       	  eeprom_addr.bytes.low_byte = 0x00;
 397:main.c        ****       	
 398:main.c        ****       	#else
 399:main.c        ****       	
 400:main.c        ****        	  eeprom_addr.bytes.high_byte |= 0x03;
 501               	.LM40:
 502 0140 8091 0000 		lds r24,eeprom_addr+1
 503 0144 8360      		ori r24,lo8(3)
 504 0146 8093 0000 		sts eeprom_addr+1,r24
 401:main.c        ****       	  eeprom_addr.bytes.low_byte = 0xFC;
 506               	.LM41:
 507 014a 8CEF      		ldi r24,lo8(-4)
 508 014c 8093 0000 		sts eeprom_addr,r24
 509 0150 FAC0      		rjmp .L11
 510               	.L15:
 402:main.c        **** 
 403:main.c        ****      	#endif
 404:main.c        ****       	
 405:main.c        ****       }
 406:main.c        ****       
 407:main.c        ****     } else if (cur_code >= 0xE0) {
 512               	.LM42:
 513 0152 8091 0000 		lds r24,cur_code
 514 0156 803E      		cpi r24,lo8(-32)
 515 0158 08F4      		brsh .+2
 516 015a F5C0      		rjmp .L11
 408:main.c        ****     
 409:main.c        ****       // Pac man animations
 410:main.c        ****       
 411:main.c        ****       cPattern[0] = 0x00;			// assume we display a full line of graphics
 518               	.LM43:
 519 015c 1092 0000 		sts cPattern,__zero_reg__
 412:main.c        ****       
 413:main.c        ****       if (cur_code == 0xE0) {
 521               	.LM44:
 522 0160 8091 0000 		lds r24,cur_code
 523 0164 803E      		cpi r24,lo8(-32)
 524 0166 59F5      		brne .L20
 414:main.c        ****       
 415:main.c        ****       	// Forward-moving pacman - what state are we in
 416:main.c        ****       	
 417:main.c        ****       	if ( (line_shift & 0x01) == 0 ) {
 526               	.LM45:
 527 0168 8091 0000 		lds r24,line_shift
 528 016c 9927      		clr r25
 529 016e 61E0      		ldi r22,lo8(1)
 530 0170 70E0      		ldi r23,hi8(1)
 531 0172 8627      		eor r24,r22
 532 0174 9727      		eor r25,r23
 533 0176 482F      		mov r20,r24
 534 0178 592F      		mov r21,r25
 535 017a 4623      		and r20,r22
 536 017c 5723      		and r21,r23
 537 017e 80FF      		sbrs r24,0
 538 0180 10C0      		rjmp .L21
 418:main.c        ****       	
 419:main.c        ****       	  if ( (pixelNum > (0x80-PAC_OPEN)) & (pixelNum < (0x80+PAC_OPEN)) ) {
 540               	.LM46:
 541 0182 20E0      		ldi r18,lo8(0)
 542 0184 30E0      		ldi r19,hi8(0)
 543 0186 8091 0000 		lds r24,pixelNum
 544 018a 8135      		cpi r24,lo8(81)
 545 018c 10F0      		brlo .L23
 546 018e 262F      		mov r18,r22
 547 0190 372F      		mov r19,r23
 548               	.L23:
 549 0192 40E0      		ldi r20,lo8(0)
 550 0194 50E0      		ldi r21,hi8(0)
 551 0196 8091 0000 		lds r24,pixelNum
 552 019a 803B      		cpi r24,lo8(-80)
 553 019c 08F0      		brlo .+2
 554 019e 6AC0      		rjmp .L48
 555 01a0 67C0      		rjmp .L76
 556               	.L21:
 420:main.c        ****       	  
 421:main.c        ****       	    cPattern[0] = 0xFF;
 422:main.c        ****       	    
 423:main.c        ****       	  }
 424:main.c        ****       	  
 425:main.c        ****       	} else {
 426:main.c        ****       	
 427:main.c        ****       	  if ( (pixelNum > (0x80-PAC_CLOSED)) & (pixelNum < (0x80+PAC_CLOSED)) ) {
 558               	.LM47:
 559 01a2 242F      		mov r18,r20
 560 01a4 352F      		mov r19,r21
 561 01a6 8091 0000 		lds r24,pixelNum
 562 01aa 8137      		cpi r24,lo8(113)
 563 01ac 10F0      		brlo .L27
 564 01ae 262F      		mov r18,r22
 565 01b0 372F      		mov r19,r23
 566               	.L27:
 567 01b2 8091 0000 		lds r24,pixelNum
 568 01b6 8039      		cpi r24,lo8(-112)
 569 01b8 08F0      		brlo .+2
 570 01ba 5CC0      		rjmp .L48
 571 01bc 59C0      		rjmp .L76
 572               	.L20:
 428:main.c        ****       	  
 429:main.c        ****       	    cPattern[0] = 0xFF;
 430:main.c        ****       	    
 431:main.c        ****       	  }
 432:main.c        **** 
 433:main.c        ****       	}
 434:main.c        ****       	
 435:main.c        ****       } else if (cur_code == 0xE1) {
 574               	.LM48:
 575 01be 8091 0000 		lds r24,cur_code
 576 01c2 813E      		cpi r24,lo8(-31)
 577 01c4 49F5      		brne .L30
 436:main.c        ****       
 437:main.c        ****        	// Left pacman, as seen from front
 438:main.c        ****       	
 439:main.c        ****       	if ( (line_shift & 0x01) == 0 ) {
 579               	.LM49:
 580 01c6 8091 0000 		lds r24,line_shift
 581 01ca 9927      		clr r25
 582 01cc 61E0      		ldi r22,lo8(1)
 583 01ce 70E0      		ldi r23,hi8(1)
 584 01d0 8627      		eor r24,r22
 585 01d2 9727      		eor r25,r23
 586 01d4 482F      		mov r20,r24
 587 01d6 592F      		mov r21,r25
 588 01d8 4623      		and r20,r22
 589 01da 5723      		and r21,r23
 590 01dc 80FF      		sbrs r24,0
 591 01de 0FC0      		rjmp .L31
 440:main.c        ****       	
 441:main.c        ****       	  if ( (pixelNum > (0x40-PAC_OPEN)) & (pixelNum < (0x40+PAC_OPEN)) ) {
 593               	.LM50:
 594 01e0 20E0      		ldi r18,lo8(0)
 595 01e2 30E0      		ldi r19,hi8(0)
 596 01e4 8091 0000 		lds r24,pixelNum
 597 01e8 8131      		cpi r24,lo8(17)
 598 01ea 10F0      		brlo .L33
 599 01ec 262F      		mov r18,r22
 600 01ee 372F      		mov r19,r23
 601               	.L33:
 602 01f0 40E0      		ldi r20,lo8(0)
 603 01f2 50E0      		ldi r21,hi8(0)
 604 01f4 8091 0000 		lds r24,pixelNum
 605 01f8 8037      		cpi r24,lo8(112)
 606 01fa E0F5      		brsh .L48
 607 01fc 39C0      		rjmp .L76
 608               	.L31: