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43 lines
1.2 KiB
43 lines
1.2 KiB
// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- |
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/// @file AP_Buffer.h |
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/// @brief fifo buffer template class |
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#ifndef __AP_BUFFER_H__ |
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#define __AP_BUFFER_H__ |
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#include <stdint.h> |
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/// @class AP_Buffer |
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template <class T, uint8_t SIZE> |
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class AP_Buffer { |
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public: |
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// Constructor |
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AP_Buffer(); |
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// clear - removes all points from the curve |
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void clear(); |
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// add - adds an item to the buffer. returns TRUE if successfully added |
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void add( T item ); |
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// get - returns the next value in the buffer |
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T get(); |
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// peek - check what the next value in the buffer is but don't pull it off |
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T peek(uint8_t position = 0) const; |
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// num_values - returns number of values in the buffer |
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uint8_t num_items() const { return _num_items; } |
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private: |
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uint8_t _num_items; // number of items in the buffer |
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uint8_t _head; // first item in the buffer (will be returned with the next get call) |
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T _buff[SIZE]; // x values of each point on the curve |
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}; |
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// Typedef for convenience - add more as needed |
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typedef AP_Buffer<float,5> AP_BufferFloat_Size5; |
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typedef AP_Buffer<float,15> AP_BufferFloat_Size15; |
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#endif // __AP_BUFFER_H__
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