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33 lines
404 B
C++
33 lines
404 B
C++
/*
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Digital delay line
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Copyright 2020 Ahmet Inan <inan@aicodix.de>
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*/
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#pragma once
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namespace DSP {
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template <typename TYPE, int NUM>
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class Delay
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{
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TYPE buf[NUM];
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int pos;
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public:
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Delay(TYPE init = 0) : pos(0)
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{
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for (int i = 0; i < NUM; ++i)
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buf[i] = init;
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}
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TYPE operator () (TYPE input)
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{
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TYPE tmp = buf[pos];
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buf[pos] = input;
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if (++pos >= NUM)
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pos = 0;
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return tmp;
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}
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};
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}
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