645fda2fb2
added FilterWithBuffer to allow removal of malloc/free without losing ability to pass around filter objects
46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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//
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// This is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License as published by the
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// Free Software Foundation; either version 2.1 of the License, or (at
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// your option) any later version.
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//
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/// @file Filter.h
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/// @brief A base class from which various filters classes should inherit
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///
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#ifndef Filter_h
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#define Filter_h
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#include <inttypes.h>
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#include <AP_Common.h>
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template <class T>
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class Filter
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{
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public:
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// constructor
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Filter() {};
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// apply - Add a new raw value to the filter, retrieve the filtered result
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virtual T apply(T sample) { return sample; };
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// reset - clear the filter
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virtual void reset() {};
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};
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// Typedef for convenience
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typedef Filter<int8_t> FilterInt8;
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typedef Filter<uint8_t> FilterUInt8;
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typedef Filter<int16_t> FilterInt16;
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typedef Filter<uint16_t> FilterUInt16;
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typedef Filter<int32_t> FilterInt32;
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typedef Filter<uint32_t> FilterUInt32;
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#endif
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