45 lines
1.3 KiB
C++
45 lines
1.3 KiB
C++
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/*
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Arduino Library for Kangaroo
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Copyright (c) 2013 Dimension Engineering LLC
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http://www.dimensionengineering.com/kangaroo
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
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RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
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USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "Kangaroo.h"
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KangarooTimeout::KangarooTimeout(int32_t timeoutMS)
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: _timeoutMS(timeoutMS)
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{
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reset();
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}
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boolean KangarooTimeout::canExpire() const
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{
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return _timeoutMS >= 0;
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}
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boolean KangarooTimeout::expired() const
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{
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return canExpire() && ((uint32_t)millis() - _start >= (uint32_t)_timeoutMS);
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}
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void KangarooTimeout::expire()
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{
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if (!canExpire()) { return; }
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_start = (uint32_t)millis() - _timeoutMS;
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}
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void KangarooTimeout::reset()
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{
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_start = (uint32_t)millis();
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}
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