root / branches / autonomous_recharging / code / projects / libbayboard / reset.c @ 653
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1 | 643 | abuchan | /**
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2 | * Copyright (c) 2007 Colony Project
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3 | *
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4 | * Permission is hereby granted, free of charge, to any person
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5 | * obtaining a copy of this software and associated documentation
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6 | * files (the "Software"), to deal in the Software without
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7 | * restriction, including without limitation the rights to use,
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8 | * copy, modify, merge, publish, distribute, sublicense, and/or sell
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9 | * copies of the Software, and to permit persons to whom the
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10 | * Software is furnished to do so, subject to the following
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11 | * conditions:
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12 | *
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13 | * The above copyright notice and this permission notice shall be
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14 | * included in all copies or substantial portions of the Software.
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15 | *
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16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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17 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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18 | * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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19 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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20 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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22 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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23 | * OTHER DEALINGS IN THE SOFTWARE.
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24 | **/
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25 | |||
26 | |||
27 | /**
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28 | * @file reset
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29 | 647 | abuchan | * @brief Reset the bayboard
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30 | 643 | abuchan | *
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31 | 647 | abuchan | * Implementation of a function to reset the bayboard
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32 | 643 | abuchan | *
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33 | * @author Colony Project, CMU Robotics Club
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34 | **/
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35 | #include <avr/interrupt.h> |
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36 | #include <util/delay.h> |
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37 | #include <reset.h> |
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38 | |||
39 | /**
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40 | * @defgroup reset Reset
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41 | *
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42 | * @{
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43 | **/
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44 | |||
45 | /**
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46 | * Resets the AVR when called. Sets the watchdog timer and lets it overflow
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47 | * to reset the AVR. The reset clears all memory and resets all registers
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48 | * with the exception of the Watchdog Reset Flag (WDRF) in the MCU Control
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49 | * and Status Register (MCUCSR).
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50 | **/
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51 | void reset(void) { |
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52 | 649 | abuchan | //enable countdown with about a 2 second delay
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53 | WDTCSR = _BV(WDE) | (3<<WDP0);
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54 | 643 | abuchan | } |
55 | |||
56 | /**@}**/ //end defgroup |