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1 | /**************************************************************************** |
1 | /**************************************************************************** |
2 | * Copyright (C) 2011 by Claas Anders "CaScAdE" Rathje * |
2 | * Copyright (C) 2011-2012 by Claas Anders "CaScAdE" Rathje * |
3 | * admiralcascade@gmail.com * |
3 | * admiralcascade@gmail.com * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-epilepsy/ * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-epilepsy/ * |
5 | * * |
5 | * * |
6 | * This program is free software; you can redistribute it and/or modify * |
6 | * This program is free software; you can redistribute it and/or modify * |
7 | * it under the terms of the GNU General Public License as published by * |
7 | * it under the terms of the GNU General Public License as published by * |
8 | * the Free Software Foundation; either version 2 of the License. * |
8 | * the Free Software Foundation; either version 2 of the License. * |
9 | * * |
9 | * * |
10 | * This program is distributed in the hope that it will be useful, * |
10 | * This program is distributed in the hope that it will be useful, * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
13 | * GNU General Public License for more details. * |
13 | * GNU General Public License for more details. * |
14 | * * |
14 | * * |
15 | * You should have received a copy of the GNU General Public License * |
15 | * You should have received a copy of the GNU General Public License * |
16 | * along with this program; if not, write to the * |
16 | * along with this program; if not, write to the * |
17 | * Free Software Foundation, Inc., * |
17 | * Free Software Foundation, Inc., * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
19 | ****************************************************************************/ |
19 | ****************************************************************************/ |
20 | 20 | ||
21 | #include "led_out.h" |
21 | #include "led_out.h" |
22 | 22 | ||
23 | #define ROWPORT PORTA |
23 | #define ROWPORT PORTA |
24 | #define COLPORT PORTC |
24 | #define COLPORT PORTC |
25 | #define COLBASE (1 << PC2) |
25 | #define COLBASE (1 << PC2) |
26 | 26 | ||
27 | 27 | ||
28 | 28 | ||
29 | uint8_t col = 0; |
29 | uint8_t col = 0; |
30 | uint8_t delay = 0; |
30 | uint8_t delay = 0; |
31 | 31 | ||
32 | uint8_t on = 0; // on-round or off-round |
32 | uint8_t on = 0; // on-round or off-round |
33 | 33 | ||
34 | uint8_t animation[7]; |
34 | uint8_t animation[7]; |
35 | volatile uint8_t animation_locked = 0; |
35 | volatile uint8_t animation_locked = 0; |
36 | 36 | ||
37 | #define TIMESON 7 // time slices to stay on |
37 | #define TIMESON 7 // time slices to stay on |
38 | #define TIMESOFF 3 // time slices to stay off |
38 | #define TIMESOFF 3 // time slices to stay off |
39 | 39 | ||
40 | void led_out_init() { |
40 | void led_out_init() { |
41 | DDRA |= 0xFF; // Z0-Z7 output |
41 | DDRA |= 0xFF; // Z0-Z7 output |
42 | DDRC |= ((1 << PC2) | (1 << PC3) | (1 << PC4) | (1 << PC5) | (1 << PC6) | (1 << PC7)); // S0-S5 output |
42 | DDRC |= ((1 << PC2) | (1 << PC3) | (1 << PC4) | (1 << PC5) | (1 << PC6) | (1 << PC7)); // S0-S5 output |
43 | } |
43 | } |
44 | 44 | ||
45 | void inline led_timer_callback() { |
45 | void inline led_timer_callback() { |
46 | if (!animation_locked) { |
46 | if (!animation_locked) { |
47 | // the Epilepsy was not build for powering the LEDs constantly, so we force a dim |
47 | // the Epilepsy was not build for powering the LEDs constantly, so we force a dim |
48 | delay--; |
48 | delay--; |
49 | 49 | ||
50 | // only after |
50 | // only after |
51 | if (!delay) { |
51 | if (!delay) { |
52 | if (on) { |
52 | if (on) { |
53 | // time is up, go dark |
53 | // time is up, go dark |
54 | ROWPORT = 0; |
54 | ROWPORT = 0; |
55 | COLPORT &= ~(COLBASE << col); |
55 | COLPORT &= ~(COLBASE << col); |
56 | 56 | ||
57 | // controll next col in next round |
57 | // controll next col in next round |
58 | col = (col + 1) % 6; |
58 | col = (col + 1) % 6; |
59 | 59 | ||
60 | delay = TIMESOFF; |
60 | delay = TIMESOFF; |
61 | } else { |
61 | } else { |
62 | COLPORT |= (COLBASE << col); |
62 | COLPORT |= (COLBASE << col); |
63 | 63 | ||
64 | // hardware EPI10AQ41 has the rows reversed |
64 | // hardware EPI10AQ41 has the rows reversed |
65 | // to convert old animations use |
65 | // to convert old animations use |
66 | // http://www.mylifesucks.de/tools/epireverse/ |
66 | // http://www.mylifesucks.de/tools/epireverse/ |
67 | #if HWVERSION == EPI10AQ41 |
67 | #if HWVERSION == EPI10AQ41 |
68 | uint8_t reverse = 0; |
68 | uint8_t reverse = 0; |
69 | for (uint8_t mask = 128; mask; mask >>= 1) { |
69 | for (uint8_t mask = 128; mask; mask >>= 1) { |
70 | reverse >>= 1; |
70 | reverse >>= 1; |
71 | if (animation[col] & mask) { |
71 | if (animation[col] & mask) { |
72 | reverse |= 128; |
72 | reverse |= 128; |
73 | } |
73 | } |
74 | } |
74 | } |
75 | ROWPORT = reverse; |
75 | ROWPORT = reverse; |
76 | #else |
76 | #else |
77 | ROWPORT = animation[col]; |
77 | ROWPORT = animation[col]; |
78 | #endif |
78 | #endif |
79 | delay = TIMESON; |
79 | delay = TIMESON; |
80 | } |
80 | } |
81 | 81 | ||
82 | on = !on; |
82 | on = !on; |
83 | } |
83 | } |
84 | } |
84 | } |
85 | } |
85 | } |
86 | 86 | ||
87 | 87 |