Rev 1199 | Details | Compare with Previous | Last modification | View Log | RSS feed
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1199 | - | 1 | /**************************************************************************** |
1437 | - | 2 | * Copyright (C) 2011-2012 by Claas Anders "CaScAdE" Rathje * |
1199 | - | 3 | * admiralcascade@gmail.com * |
4 | * Project-URL: http://www.mylifesucks.de/oss/c-epilepsy/ * |
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5 | * * |
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6 | * This program is free software; you can redistribute it and/or modify * |
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7 | * it under the terms of the GNU General Public License as published by * |
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8 | * the Free Software Foundation; either version 2 of the License. * |
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9 | * * |
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10 | * This program is distributed in the hope that it will be useful, * |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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13 | * GNU General Public License for more details. * |
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14 | * * |
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15 | * You should have received a copy of the GNU General Public License * |
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16 | * along with this program; if not, write to the * |
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17 | * Free Software Foundation, Inc., * |
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18 | * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * |
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19 | ****************************************************************************/ |
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20 | |||
21 | #include "timer0.h" |
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22 | |||
23 | // 8 bit timer |
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24 | // unccritical stuff |
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25 | // periodic critical stuff should go to the blocking timer1 |
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26 | |||
27 | volatile uint16_t uptime = 0; |
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28 | |||
29 | void timer0_init() { |
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30 | TCCR0B |= ((1 << CS02) | (1 << CS00)); // Prescale 1024 |
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31 | |||
32 | TIMSK0 |= (1 << TOIE0); // overflow enable |
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33 | } |
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34 | |||
35 | // every ~ 10ms = 10000us (9984us) |
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36 | uint8_t timer0_scale_helper = 0; |
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37 | |||
38 | ISR(TIMER0_OVF_vect, ISR_NOBLOCK) { |
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39 | TCNT0 = 61; |
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40 | |||
41 | player_timer_callback(); |
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42 | |||
43 | static uint16_t ticks = 0; |
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44 | ticks++; |
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45 | |||
46 | // ~1s |
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47 | if (timer0_scale_helper++ >= 100) { |
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48 | timer0_scale_helper = 0; |
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49 | nc_handler_timer_callback(); |
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50 | eeprom_timer_callback(); |
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51 | uptime++; |
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52 | //LEDRED_TOGGLE |
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53 | } |
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54 | |||
55 | } |