bulb

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
/* bulb - BlinkenArea ultimate logo board
   version 1.0 date 2015-08-15
   Copyright (C) 2015 Martin Müllenhaupt <mm+bulb@netlair.de>
   Copyleft: GNU public license - http://www.gnu.org/copyleft/gpl.html
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#define F_CPU 8000000UL // 8 MHz
#include <util/delay.h>
#include <stdlib.h>
#define NUM_ZEILEN 6
#define NUM_SPALTEN 7
#define NUM_LEDS (NUM_ZEILEN * NUM_SPALTEN)
#define MAX_TIME 32
#define LED(index) frame[updateBufferIndex][index/NUM_SPALTEN][index%NUM_SPALTEN]
#define LED_INDEX_FROM_MANUAL(index) frame[updateBufferIndex][(index-1)/NUM_SPALTEN][(index-1)%NUM_SPALTEN]
/* 0 = off; 255 = max brightness */
uint8_t frame[2][NUM_ZEILEN][NUM_SPALTEN] = {0};
uint8_t displayBufferIndex = 0;
uint8_t updateBufferIndex = 1;
ISR(TIMER1_COMPA_vect)
{
  static uint8_t zeile = 0;
  static uint8_t time = 0;
  ++time;
  if (time == MAX_TIME)
  {
    ++zeile;
    zeile %= NUM_ZEILEN;
    PORTB = 0;
    PORTD = ~(1 << zeile);
    time = 0;
  }
  uint8_t row_data = 0;
  for(uint8_t spalte = 0; spalte < NUM_SPALTEN; ++spalte)
  {
    if (frame[displayBufferIndex][zeile][spalte] > time)
    {
      row_data |= (1 << spalte);
    }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX