spokepov.lss

旋转16个LED灯控制程序

	  memcpy_P(topLine,lines,16);
	  memcpy_P(botLine,lines+16,16);
	
	  #ifdef DYNAMIC
	      
	    dCode = pgm_read_byte(dInfo);
	        
	    if (dCode != 0) {
	       newDynamicPtr = topLine + (dCode & 0x0F);
	       dynamicType = dCode;
	    }
	        
	    dCode = pgm_read_byte(dInfo+1);
	        
	    if (dCode != 0) {
	       newDynamicPtr = botLine + (dCode & 0x0F);
	       dynamicType = dCode;
	    }
	        
	  #endif
	
    #endif

    // Set the character and pixel numbers so they will overflow
    // on the next pixel interrupt, and cause the correct data to
    // be loaded.
    
    charNum = 15;		// will wrap to 0, the first char
    pixelNum = 15;		// will wrap to 0, the first pixel
    
    
    #ifdef USE_LOCAL_TIMER1
      clean = 0;		// flag that we changed things
    #endif
    
    // Start TIMER1 on its merry way...
      
    TCCR1B |= _BV(CS10);		// increment at clock/1
    TIMSK |= _BV(OCIE1A);		// enable interrupt when it matches OCR1A
    
  } else {
    
    // Since we don't have a valid setting for the rotation
    // speed, set a couple of LEDs to let the human know we
    // aren't dead yet, and turn off the timer.
      
    set_all(~0x03);
      
    TCCR1B &= ~_BV(CS10);		// no incrementing = no interrupting
    
    // reset the line timers so that when we get a valid spinup,
    // they will start clocking the lines across the display
    
    line_timer_l = SCROLLSPEED;		// delay figure, will trigger wrap
    line_shift = 0x0f;				// subcharacter shift, will trigger wrap
    cur_line = 0xff;				// will wrap to first line
    
  }   
    
  // Whether we're displaying or not, we reset sensor_timer so we can
  // time the next revolution.
    
  sensor_timer = 0;

  }
  
  // Finally, reset hall_debounce so we won't execute the timer reset code
  // until the Hall Effect sensor hasn't bothered us for a reasonable while.
  
  hall_debounce = 0;
  
  // *** PORTB &= ~0x8;

}

// Initialize the IO pins on the ATMEL.

void ioinit(void) {

  // Set the data direction for the PORTD and PORTB pins; see the
  // circuit diagram for more information on this.
  
  DDRD = 0x73; // input on PD2 (button), PD3 (sensor), all other output
  DDRB = 0xDF; // input on MOSI/DI (for SPI), all others output

  // Deselect EEPROM.  Not being an EE, I'm not going to worry about
  // how the ATMEL talks to the EEPROM.  It's black magic.
  
  PORTB = _BV(SPIEE_CS);

  // Just above, we set PD2 and PD3 to input.  If we now set those
  // bits to 1, they set into pullup mode (again, not EE, claim
  // ignorance), which is essential for them to work.  We also set
  // the SENSORPOWER bit to 1, which sends out little dribbles of
  // electrons to the hall effect sensor (see circuit diagram)
  //
  // Finally, we write 0's to the FRONT and BACK pins, which control
  // which bank of 30 LEDs we are talking to.  Having both of these
  // on at the same time probably causes horrible things to happen.
  
  PORTD = (_BV(BUTTON) | _BV(SENSOR) | _BV(SENSORPOWER))  
    & ~_BV(FRONT) & ~_BV(BACK);

  // Rather than poll to see when the hall effect sensor and
  // button are pressed, we configure an interrupt handler.  If you
  // look at the circuit diagram, you'll see that PD3 and PD2, which
  // are wired to SENSOR IN and BUTTON IN, do double-duty as INT1
  // and INT0.  They are both SUPPOSEDLY set to interrupt on the
  // falling edge of a pulse from the devices.  (Page 63)
  
  // POSSIBLE BUG: ISC0{1,0} seems to be being set to 00, not 10
  // as ISC1{1,0} is being set to.  So ISC0 will trigger when
  // the button interrupt line goes low.  Either this is a bug,
  // or the original comment was not correct (likely, IMHO)
  
  MCUCR = _BV(ISC11) & ~_BV(ISC01) & ~_BV(ISC00) &  ~_BV(ISC10);

  // Activate the interrupts by setting the General Interrupt Mask
  // Register (Page 63)
  
  GIMSK = _BV(INT1) | _BV(INT0);

  // The ATMEL has built-in timers that can trigger an interrupt.
  // SpokePOV uses them to update the LEDs 256 times per rotation.
  
  // Timer 0 is set to update at a rate system-clock / 256 and
  // interrupt when it overflows (8 bit).  This means that it
  // triggers every 65536 cycles.
  
  TCCR0A = 0;				// normal, overflow (count up to 256 == num pixels)
  TCCR0B = _BV(CS02);		// clk/256
  TIMSK |= _BV(TOIE0);		// turn on overflow interrupt
  
  // Timer 1 (T1) is the pixel timer, which is used to update the
  // LEDs 256 times per rotation.  It's set up as a normal timer
  // as well.  See Page 108&71; it is apparently being set into CTC
  // mode 4.  This means that the counter is compared to a 16-bit value
  // and interrupts when it reaches this value.
  //
  // Adjusting this value is how the SpokePOV compensates for
  // changes in the rotation speed of the device.
  //
  // Note that at this point, the timer is initialized, but not
  // activated.
  
  TCCR1A = 0;
  TCCR1B = _BV(WGM12);

  // Clear the debounce values, which I haven't sussed out yet.
  
  hall_debounce = 0;
  sensor_timer = 0;
  
}

// Delay for a specified number of milliseconds using some
// assembly code.  Will this be dependant on the clock speed?

void delay_ms(unsigned char ms)
{
  unsigned short delay_count = F_CPU / 4000;
  
  unsigned short cnt;
  asm volatile ("\n"
		"L_dl1%=:\n\t"
		"mov %A0, %A2\n\t"
		"mov %B0, %B2\n"
		"L_dl2%=:\n\t"
		"sbiw %A0, 1\n\t"
		"brne L_dl2%=\n\t"
		"wdr\n\t"
		"dec %1\n\t" "brne L_dl1%=\n\t":"=&w" (cnt)
		:"r"(ms), "r"((unsigned short) (delay_count))
		);
}

// Turn on a single LED, turning off all the other LEDs

//void set_led(uint8_t led) {

//  fleds[0] = fleds[1] = fleds[2] = fleds[3] = 0xFF;
//  fleds[led >> 3] = ~_BV(led & 0x7F);

//  clock_scroll(0);
//}

// Set all the LEDs on a side to have the same
// repeating 8-bit value (ie: 0x00 = all on, 0xFF = all off)
// Added by RJW to permit a more comprehensive reset display

void set_all(uint8_t blockValue) {

  fleds[0] = fleds[1] = fleds[2] = fleds[3] = blockValue;
 13a:	80 93 8c 00 	sts	0x008C, r24
 13e:	80 93 8b 00 	sts	0x008B, r24
 142:	80 93 8a 00 	sts	0x008A, r24
 146:	80 93 89 00 	sts	0x0089, r24
  
  clock_scroll(0);
 14a:	80 e0       	ldi	r24, 0x00	; 0
 14c:	98 df       	rcall	.-208    	; 0x7e <clock_scroll>
 14e:	08 95       	ret

00000150 <__vector_4>:
 150:	1f 92       	push	r1
 152:	0f 92       	push	r0
 154:	0f b6       	in	r0, 0x3f	; 63
 156:	0f 92       	push	r0
 158:	11 24       	eor	r1, r1
 15a:	2f 93       	push	r18
 15c:	3f 93       	push	r19
 15e:	4f 93       	push	r20
 160:	5f 93       	push	r21
 162:	6f 93       	push	r22
 164:	7f 93       	push	r23
 166:	8f 93       	push	r24
 168:	9f 93       	push	r25
 16a:	af 93       	push	r26
 16c:	bf 93       	push	r27
 16e:	ef 93       	push	r30
 170:	ff 93       	push	r31
 172:	80 91 87 00 	lds	r24, 0x0087
 176:	90 91 88 00 	lds	r25, 0x0088
 17a:	82 56       	subi	r24, 0x62	; 98
 17c:	92 40       	sbci	r25, 0x02	; 2
 17e:	08 f0       	brcs	.+2      	; 0x182 <__vector_4+0x32>
 180:	a2 c0       	rjmp	.+324    	; 0x2c6 <__vector_4+0x176>
 182:	80 91 6a 00 	lds	r24, 0x006A
 186:	8f 5f       	subi	r24, 0xFF	; 255
 188:	80 93 6a 00 	sts	0x006A, r24
 18c:	80 91 6a 00 	lds	r24, 0x006A
 190:	80 31       	cpi	r24, 0x10	; 16
 192:	09 f0       	breq	.+2      	; 0x196 <__vector_4+0x46>
 194:	61 c0       	rjmp	.+194    	; 0x258 <__vector_4+0x108>
 196:	10 92 6a 00 	sts	0x006A, r1
 19a:	80 91 6b 00 	lds	r24, 0x006B
 19e:	8f 5f       	subi	r24, 0xFF	; 255
 1a0:	8f 70       	andi	r24, 0x0F	; 15
 1a2:	80 93 6b 00 	sts	0x006B, r24
 1a6:	80 91 6b 00 	lds	r24, 0x006B
 1aa:	e8 2f       	mov	r30, r24
 1ac:	ff 27       	eor	r31, r31
 1ae:	e1 57       	subi	r30, 0x71	; 113
 1b0:	ff 4f       	sbci	r31, 0xFF	; 255
 1b2:	e0 81       	ld	r30, Z
 1b4:	e0 52       	subi	r30, 0x20	; 32
 1b6:	8e 2f       	mov	r24, r30
 1b8:	86 95       	lsr	r24
 1ba:	28 2f       	mov	r18, r24
 1bc:	33 27       	eor	r19, r19
 1be:	f6 e0       	ldi	r31, 0x06	; 6
 1c0:	22 0f       	add	r18, r18
 1c2:	33 1f       	adc	r19, r19
 1c4:	fa 95       	dec	r31
 1c6:	e1 f7       	brne	.-8      	; 0x1c0 <__vector_4+0x70>
 1c8:	8e 2f       	mov	r24, r30
 1ca:	99 27       	eor	r25, r25
 1cc:	81 70       	andi	r24, 0x01	; 1
 1ce:	90 70       	andi	r25, 0x00	; 0
 1d0:	88 0f       	add	r24, r24
 1d2:	99 1f       	adc	r25, r25
 1d4:	28 2b       	or	r18, r24
 1d6:	39 2b       	or	r19, r25
 1d8:	30 93 6f 00 	sts	0x006F, r19
 1dc:	20 93 6e 00 	sts	0x006E, r18
 1e0:	80 91 6b 00 	lds	r24, 0x006B
 1e4:	e8 2f       	mov	r30, r24
 1e6:	ff 27       	eor	r31, r31
 1e8:	e1 56       	subi	r30, 0x61	; 97
 1ea:	ff 4f       	sbci	r31, 0xFF	; 255
 1ec:	e0 81       	ld	r30, Z
 1ee:	e0 52       	subi	r30, 0x20	; 32
 1f0:	8e 2f       	mov	r24, r30
 1f2:	86 95       	lsr	r24
 1f4:	28 2f       	mov	r18, r24
 1f6:	33 27       	eor	r19, r19
 1f8:	76 e0       	ldi	r23, 0x06	; 6
 1fa:	22 0f       	add	r18, r18
 1fc:	33 1f       	adc	r19, r19
 1fe:	7a 95       	dec	r23
 200:	e1 f7       	brne	.-8      	; 0x1fa <__vector_4+0xaa>
 202:	8e 2f       	mov	r24, r30
 204:	99 27       	eor	r25, r25
 206:	81 70       	andi	r24, 0x01	; 1
 208:	90 70       	andi	r25, 0x00	; 0
 20a:	88 0f       	add	r24, r24
 20c:	99 1f       	adc	r25, r25
 20e:	28 2b       	or	r18, r24
 210:	39 2b       	or	r19, r25
 212:	30 93 6d 00 	sts	0x006D, r19
 216:	20 93 6c 00 	sts	0x006C, r18
 21a:	80 91 6b 00 	lds	r24, 0x006B
 21e:	e8 2f       	mov	r30, r24
 220:	ff 27       	eor	r31, r31
 222:	ea 58       	subi	r30, 0x8A	; 138
 224:	ff 4f       	sbci	r31, 0xFF	; 255
 226:	e0 81       	ld	r30, Z
 228:	e0 52       	subi	r30, 0x20	; 32
 22a:	8e 2f       	mov	r24, r30
 22c:	86 95       	lsr	r24
 22e:	28 2f       	mov	r18, r24
 230:	33 27       	eor	r19, r19
 232:	68 94       	set
 234:	15 f8       	bld	r1, 5
 236:	22 0f       	add	r18, r18
 238:	33 1f       	adc	r19, r19
 23a:	16 94       	lsr	r1
 23c:	e1 f7       	brne	.-8      	; 0x236 <__vector_4+0xe6>
 23e:	8e 2f       	mov	r24, r30
 240:	99 27       	eor	r25, r25
 242:	81 70       	andi	r24, 0x01	; 1
 244:	90 70       	andi	r25, 0x00	; 0
 246:	88 0f       	add	r24, r24
 248:	99 1f       	adc	r25, r25
 24a:	28 2b       	or	r18, r24
 24c:	39 2b       	or	r19, r25
 24e:	30 93 69 00 	sts	0x0069, r19
 252:	20 93 68 00 	sts	0x0068, r18
 256:	1b c0       	rjmp	.+54     	; 0x28e <__vector_4+0x13e>
 258:	80 91 6e 00 	lds	r24, 0x006E
 25c:	90 91 6f 00 	lds	r25, 0x006F
 260:	04 96       	adiw	r24, 0x04	; 4
 262:	90 93 6f 00 	sts	0x006F, r25
 266:	80 93 6e 00 	sts	0x006E, r24
 26a:	80 91 6c 00 	lds	r24, 0x006C
 26e:	90 91 6d 00 	lds	r25, 0x006D
 272:	04 96       	adiw	r24, 0x04	; 4
 274:	90 93 6d 00 	sts	0x006D, r25
 278:	80 93 6c 00 	sts	0x006C, r24
 27c:	80 91 68 00 	lds	r24, 0x0068
 280:	90 91 69 00 	lds	r25, 0x0069
 284:	04 96       	adiw	r24, 0x04	; 4
 286:	90 93 69 00 	sts	0x0069, r25
 28a:	80 93 68 00 	sts	0x0068, r24
 28e:	42 e0       	ldi	r20, 0x02	; 2
 290:	69 e8       	ldi	r22, 0x89	; 137
 292:	70 e0       	ldi	r23, 0x00	; 0
 294:	80 91 6e 00 	lds	r24, 0x006E
 298:	90 91 6f 00 	lds	r25, 0x006F
 29c:	42 d2       	rcall	.+1156   	; 0x722 <spieeprom_read>
 29e:	42 e0       	ldi	r20, 0x02	; 2
 2a0:	6b e8       	ldi	r22, 0x8B	; 139
 2a2:	70 e0       	ldi	r23, 0x00	; 0
 2a4:	80 91 6c 00 	lds	r24, 0x006C
 2a8:	90 91 6d 00 	lds	r25, 0x006D
 2ac:	3a d2       	rcall	.+1140   	; 0x722 <spieeprom_read>
 2ae:	42 e0       	ldi	r20, 0x02	; 2
 2b0:	6d e8       	ldi	r22, 0x8D	; 141
 2b2:	70 e0       	ldi	r23, 0x00	; 0
 2b4:	80 91 68 00 	lds	r24, 0x0068
 2b8:	90 91 69 00 	lds	r25, 0x0069
 2bc:	32 d2       	rcall	.+1124   	; 0x722 <spieeprom_read>
 2be:	80 91 60 00 	lds	r24, 0x0060
 2c2:	dd de       	rcall	.-582    	; 0x7e <clock_scroll>
 2c4:	07 c0       	rjmp	.+14     	; 0x2d4 <__vector_4+0x184>
 2c6:	f8 94       	cli
 2c8:	8e b5       	in	r24, 0x2e	; 46
 2ca:	88 7f       	andi	r24, 0xF8	; 248
 2cc:	8e bd       	out	0x2e, r24	; 46
 2ce:	78 94       	sei
 2d0:	88 ef       	ldi	r24, 0xF8	; 248
 2d2:	33 df       	rcall	.-410    	; 0x13a <set_all>
 2d4:	ff 91       	pop	r31
 2d6:	ef 91       	pop	r30
 2d8:	bf 91       	pop	r27
 2da:	af 91       	pop	r26
 2dc:	9f 91       	pop	r25
 2de:	8f 91       	pop	r24
 2e0:	7f 91       	pop	r23
 2e2:	6f 91       	pop	r22
 2e4:	5f 91       	pop	r21
 2e6:	4f 91       	pop	r20
 2e8:	3f 91       	pop	r19
 2ea:	2f 91       	pop	r18
 2ec:	0f 90       	pop	r0
 2ee:	0f be       	out	0x3f, r0	; 63
 2f0:	0f 90       	pop	r0
 2f2:	1f 90       	pop	r1
 2f4:	18 95       	reti

000002f6 <delay_ms>:
 2f6:	20 ed       	ldi	r18, 0xD0	; 208
 2f8:	37 e0       	ldi	r19, 0x07	; 7

000002fa <L_dl1245>:
 2fa:	e2 2f       	mov	r30, r18
 2fc:	f3 2f       	mov	r31, r19

000002fe <L_dl2245>:
 2fe:	31 97       	sbiw	r30, 0x01	; 1
 300:	f1 f7       	brne	.-4      	; 0x2fe <L_dl2245>
 302:	a8 95       	wdr
 304:	8a 95       	dec	r24
 306:	c9 f7       	brne	.-14     	; 0x2fa <L_dl1245>
 308:	08 95       	ret

0000030a <__vector_1>: