LED Matrix Display Badge

1/*
2    (C)2016 FabLabAQ info@fablaquila.org
3
4    This program   is free software: you can redistribute it and/or modify
5    it under the terms   of the GNU General Public License as published by
6    the Free Software Foundation,   either version 3 of the License, or
7    (at your option) any later version.
8
9     This program is distributed in the hope that it will be useful,
10    but WITHOUT   ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS   FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13
14     You should have received a copy of the GNU General Public License
15    along   with this program.  If not, see <http://www.gnu.org/licenses/>.
16*/
17
18/*~~~~~~~~~~~~   SCRIVI IL TUO NOME TRA VIRGOLETTE ~~~~~~~~~~~~*/
19
20#define YOUR_NAME "FABLABAQ"
21
22/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
23
24#ifndef   __AVR_ATtiny13__
25	#error Selezionare ATtiny13 da: Strumenti -> Schede
26#endif
27
28//   Character set
29PROGMEM const unsigned long alphabet[] = {
30	0b00000000000000000000,	//   32 space
31	0b00100010001000000010,	// 33 !
32	0b01010101000000000000,	//   34 "
33	0b01101111011011110110,	// 35 #
34	0b01101000010000101100,	// 36   $
35	0b00001001001001001001,	// 37 %
36	0b01001000010110100101,	// 38 &
37	0b00100010000000000000,	//   39 '
38	0b00100100010001000010,	// 40 (
39	0b01000010001000100100,	// 41 )
40	0b01010010010100000000,	//   42 *
41	0b00000000010011100100,	// 43 +
42	0b00000000000000100100,	// 44 ,
43	0b00000000011000000000,	//   45 -
44	0b00000000000000000100,	// 46 .
45	0b00010011011011001000,	// 47 /
46	0b01101101101110010110,	//   48 0
47	0b00100110001000100111,	// 49 1
48	0b11100001011010001111,	// 50 2
49	0b11100001011000011110,	//   51 3
50	0b00100110101011110010,	// 52 4
51	0b11111000111000011110,	// 53 5
52	0b01101000111010010110,	//   54 6
53	0b11110001001001001000,	// 55 7
54	0b01101001011010010110,	// 56 8
55	0b01101001011100010110,	//   57 9
56	0b00000100000001000000,	// 58 :
57	0b00000100000001001000,	// 59 ;
58	0b00110110110001100011,	//   60 <
59	0b00001111000011110000,	// 61 =
60	0b11000110001101101100,	// 62 >
61	0b01001010001001000100,	//   63 ?
62	0b01101011101110000110,	// 64 @
63	0b01101001111110011001,	// 65 A
64	0b11101001111010011110,	//   66 B
65	0b01111000100010000111,	// 67 C
66	0b11101001100110011110,	// 68 D
67	0b11111000111010001111,	//   69 E
68	0b11111000111010001000,	// 70 F
69	0b01111000101110010110,	// 71 G
70	0b10011001111110011001,	//   72 H
71	0b01110010001000100111, // 73 I
72	0b01110010001010100100, // 74 J
73	0b10011010110010101001,   // 75 K
74	0b10001000100010001111, // 76 L
75	0b10011111111110011001, // 77   M
76	0b10011101101110011001, // 78 N
77	0b01101001100110010110, // 79 O
78	0b11101001111010001000,   // 80 P
79	0b01101001101101100001, // 81 Q
80	0b11101001111010101001, // 82   R
81	0b01111000011000011110, // 83 S
82	0b01110010001000100010, // 84 T
83	0b10011001100110010110,   // 85 U
84	0b10011001100110100100, // 86 V
85	0b10011001111111110110, // 87   W
86	0b10011001011010011001, // 88 X
87	0b10011001011000101100, // 89 Y
88	0b11110001001001001111,	//   90 Z
89	0b01100100010001000110,	// 91 [
90	0b10001100011000110001,	// 92 \\
91	0b01100010001000100110,	//   93 ]
92	0b01001010000000000000,	// 94 ^
93	0b00000000000000001111,	// 95 _
94	0b01000010000000000000,	//   96 `
95	0b01100001011110010111,	// 97 a
96	0b10001000111010011110,	// 98 b
97	0b00000110100010000110,	//   99 c
98	0b00010001011110010111,	// 100 d
99	0b01101001111010000110,	// 101   e
100	0b00110100111001000100,	// 102 f
101	0b00110101001100010110,	// 103 g
102	0b10001000111010011001,	//   104 h
103	0b00100000001000100010,	// 105 i
104	0b00100010001000100100,	// 106   j
105	0b10001010101011001010,	// 107 k
106	0b01000100010001000100,	// 108 l
107	0b00001001111110011001,	//   109 m
108	0b00000000111010011001,	// 110 n
109	0b00000110100110010110,	// 111   o
110	0b01100101011001000100,	// 112 p
111	0b00110101001100010001,	// 113 q
112	0b00001010110010001000,	//   114 r
113	0b00110100001000010110,	// 115 s
114	0b01001110010001000010,	// 116   t
115	0b00001001100110010111,	// 117 u
116	0b00000101010101010010,	// 118 v
117	0b00000000100111110110,	//   119 w
118	0b00000000010100100101,	// 120 x
119	0b00000101001100010110,	// 121   y
120	0b00001111001001001111,	// 122 z
121	0b01100100110001000110,	// 123 {
122	0b00100010001000100010,	//   124 |
123	0b01100010001100100110,	// 125 }
124	0b00000101101000000000	// 126   ~
125};
126
127const int displayWidth = 4;
128const int displayHeight = 5;
129
130//   between pixels
131const unsigned int timeout = 150;
132
133const char PROGMEM displayString[]   = YOUR_NAME;
134const byte stringLength = sizeof(displayString);
135
136// The offset   of our string in the display
137int offset = 0;
138unsigned long lastMillis = 0;
139unsigned   long currentMillis = 0;
140
141// render the string on the given offset
142void   renderString(int offset) {
143  for(byte index=0; index< (stringLength-1); index++){
144   	uint8_t pos = pgm_read_byte(&displayString[index]) - 32;
145  	unsigned long   gfx = pgm_read_dword(&alphabet[pos]);
146    renderCharacter(gfx, offset - index   * (displayWidth + 1));
147  }
148}
149
150
151void renderCharacter(unsigned long   graphic, int charOffset) {
152  if (charOffset <= -displayWidth || charOffset >   displayWidth) {
153    // off the 'screen' nothing to do
154    return;
155  }
156
157   for (byte y = 0; y < displayHeight; y++) {
158    for (byte x = 0; x < displayWidth;   x++) {
159      // 3 - x to reverse order
160      setPixel(3 - x - charOffset,   y, graphic & 0x1);
161      graphic = graphic >> 1;
162    }
163  }
164}
165
166//   light a pixel at the given coordinates
167void setPixel(byte x, byte y, boolean   ledStatus) {
168  if (x < displayWidth) {
169    if (y <= x) {
170      x++;
171     }
172    setLed(4-x, 4-y, ledStatus);
173  }
174}
175
176// turn on the pins   to light a LED
177void setLed(byte vin, byte gnd, boolean ledStatus) {
178  delayMicroseconds(500);
179   
180  if(ledStatus) {
181    DDRB = (0x01 << vin) | (0x01 << gnd);
182    PORTB   = 0x01 << vin;
183  }
184  else {
185    DDRB = 0x00;
186  }
187}
188
189void setup()   {
190}
191
192void loop() {
193  currentMillis = millis();
194
195  renderString(offset);
196
197   if (currentMillis - lastMillis > timeout) {
198    lastMillis = currentMillis;
199     // shift string over one "pixel"
200    offset++;
201    // if it's past the   length of the string, start over from the beginning
202    if (offset > (stringLength-1)   * (displayWidth + 1)) {
203      offset = -displayWidth;
204    }
205  }
206}
207

1/*
2    (C)2016 FabLabAQ info@fablaquila.org
3
4    This program  is free software: you can redistribute it and/or modify
5    it under the terms  of the GNU General Public License as published by
6    the Free Software Foundation,  either version 3 of the License, or
7    (at your option) any later version.
8
9    This program is distributed in the hope that it will be useful,
10    but WITHOUT  ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS  FOR A PARTICULAR PURPOSE.  See the
12    GNU General Public License for more details.
13
14    You should have received a copy of the GNU General Public License
15    along  with this program.  If not, see <http://www.gnu.org/licenses/>.
16*/
17
18/*~~~~~~~~~~~~  SCRIVI IL TUO NOME TRA VIRGOLETTE ~~~~~~~~~~~~*/
19
20#define YOUR_NAME "FABLABAQ"
21
22/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
23
24#ifndef  __AVR_ATtiny13__
25	#error Selezionare ATtiny13 da: Strumenti -> Schede
26#endif
27
28//  Character set
29PROGMEM const unsigned long alphabet[] = {
30	0b00000000000000000000,	//  32 space
31	0b00100010001000000010,	// 33 !
32	0b01010101000000000000,	//  34 "
33	0b01101111011011110110,	// 35 #
34	0b01101000010000101100,	// 36  $
35	0b00001001001001001001,	// 37 %
36	0b01001000010110100101,	// 38 &
37	0b00100010000000000000,	//  39 '
38	0b00100100010001000010,	// 40 (
39	0b01000010001000100100,	// 41 )
40	0b01010010010100000000,	//  42 *
41	0b00000000010011100100,	// 43 +
42	0b00000000000000100100,	// 44 ,
43	0b00000000011000000000,	//  45 -
44	0b00000000000000000100,	// 46 .
45	0b00010011011011001000,	// 47 /
46	0b01101101101110010110,	//  48 0
47	0b00100110001000100111,	// 49 1
48	0b11100001011010001111,	// 50 2
49	0b11100001011000011110,	//  51 3
50	0b00100110101011110010,	// 52 4
51	0b11111000111000011110,	// 53 5
52	0b01101000111010010110,	//  54 6
53	0b11110001001001001000,	// 55 7
54	0b01101001011010010110,	// 56 8
55	0b01101001011100010110,	//  57 9
56	0b00000100000001000000,	// 58 :
57	0b00000100000001001000,	// 59 ;
58	0b00110110110001100011,	//  60 <
59	0b00001111000011110000,	// 61 =
60	0b11000110001101101100,	// 62 >
61	0b01001010001001000100,	//  63 ?
62	0b01101011101110000110,	// 64 @
63	0b01101001111110011001,	// 65 A
64	0b11101001111010011110,	//  66 B
65	0b01111000100010000111,	// 67 C
66	0b11101001100110011110,	// 68 D
67	0b11111000111010001111,	//  69 E
68	0b11111000111010001000,	// 70 F
69	0b01111000101110010110,	// 71 G
70	0b10011001111110011001,	//  72 H
71	0b01110010001000100111, // 73 I
72	0b01110010001010100100, // 74 J
73	0b10011010110010101001,  // 75 K
74	0b10001000100010001111, // 76 L
75	0b10011111111110011001, // 77  M
76	0b10011101101110011001, // 78 N
77	0b01101001100110010110, // 79 O
78	0b11101001111010001000,  // 80 P
79	0b01101001101101100001, // 81 Q
80	0b11101001111010101001, // 82  R
81	0b01111000011000011110, // 83 S
82	0b01110010001000100010, // 84 T
83	0b10011001100110010110,  // 85 U
84	0b10011001100110100100, // 86 V
85	0b10011001111111110110, // 87  W
86	0b10011001011010011001, // 88 X
87	0b10011001011000101100, // 89 Y
88	0b11110001001001001111,	//  90 Z
89	0b01100100010001000110,	// 91 [
90	0b10001100011000110001,	// 92 \\
91	0b01100010001000100110,	//  93 ]
92	0b01001010000000000000,	// 94 ^
93	0b00000000000000001111,	// 95 _
94	0b01000010000000000000,	//  96 `
95	0b01100001011110010111,	// 97 a
96	0b10001000111010011110,	// 98 b
97	0b00000110100010000110,	//  99 c
98	0b00010001011110010111,	// 100 d
99	0b01101001111010000110,	// 101  e
100	0b00110100111001000100,	// 102 f
101	0b00110101001100010110,	// 103 g
102	0b10001000111010011001,	//  104 h
103	0b00100000001000100010,	// 105 i
104	0b00100010001000100100,	// 106  j
105	0b10001010101011001010,	// 107 k
106	0b01000100010001000100,	// 108 l
107	0b00001001111110011001,	//  109 m
108	0b00000000111010011001,	// 110 n
109	0b00000110100110010110,	// 111  o
110	0b01100101011001000100,	// 112 p
111	0b00110101001100010001,	// 113 q
112	0b00001010110010001000,	//  114 r
113	0b00110100001000010110,	// 115 s
114	0b01001110010001000010,	// 116  t
115	0b00001001100110010111,	// 117 u
116	0b00000101010101010010,	// 118 v
117	0b00000000100111110110,	//  119 w
118	0b00000000010100100101,	// 120 x
119	0b00000101001100010110,	// 121  y
120	0b00001111001001001111,	// 122 z
121	0b01100100110001000110,	// 123 {
122	0b00100010001000100010,	//  124 |
123	0b01100010001100100110,	// 125 }
124	0b00000101101000000000	// 126  ~
125};
126
127const int displayWidth = 4;
128const int displayHeight = 5;
129
130//  between pixels
131const unsigned int timeout = 150;
132
133const char PROGMEM displayString[]  = YOUR_NAME;
134const byte stringLength = sizeof(displayString);
135
136// The offset  of our string in the display
137int offset = 0;
138unsigned long lastMillis = 0;
139unsigned  long currentMillis = 0;
140
141// render the string on the given offset
142void  renderString(int offset) {
143  for(byte index=0; index< (stringLength-1); index++){
144  	uint8_t pos = pgm_read_byte(&displayString[index]) - 32;
145  	unsigned long  gfx = pgm_read_dword(&alphabet[pos]);
146    renderCharacter(gfx, offset - index  * (displayWidth + 1));
147  }
148}
149
150
151void renderCharacter(unsigned long  graphic, int charOffset) {
152  if (charOffset <= -displayWidth || charOffset >  displayWidth) {
153    // off the 'screen' nothing to do
154    return;
155  }
156
157  for (byte y = 0; y < displayHeight; y++) {
158    for (byte x = 0; x < displayWidth;  x++) {
159      // 3 - x to reverse order
160      setPixel(3 - x - charOffset,  y, graphic & 0x1);
161      graphic = graphic >> 1;
162    }
163  }
164}
165
166//  light a pixel at the given coordinates
167void setPixel(byte x, byte y, boolean  ledStatus) {
168  if (x < displayWidth) {
169    if (y <= x) {
170      x++;
171    }
172    setLed(4-x, 4-y, ledStatus);
173  }
174}
175
176// turn on the pins  to light a LED
177void setLed(byte vin, byte gnd, boolean ledStatus) {
178  delayMicroseconds(500);
179  
180  if(ledStatus) {
181    DDRB = (0x01 << vin) | (0x01 << gnd);
182    PORTB  = 0x01 << vin;
183  }
184  else {
185    DDRB = 0x00;
186  }
187}
188
189void setup()  {
190}
191
192void loop() {
193  currentMillis = millis();
194
195  renderString(offset);
196
197  if (currentMillis - lastMillis > timeout) {
198    lastMillis = currentMillis;
199    // shift string over one "pixel"
200    offset++;
201    // if it's past the  length of the string, start over from the beginning
202    if (offset > (stringLength-1)  * (displayWidth + 1)) {
203      offset = -displayWidth;
204    }
205  }
206}
207