46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
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/*
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Sampler.cpp - Friction Music library
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Copyright (c) 2014 Science Friction.
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All right reserved.
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This library is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your optionosc1modShape_ptr) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser Public License for more details.
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You should have received a copy of the GNU Lesser Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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+ author: gauthiier
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+ contact: d@gauthiier.info
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*/
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#include "Sampler.h"
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#include <Arduino.h>
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Sampler::Sampler(int len) {
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_samples = (int*)malloc(len * 2);
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_len = len;
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memset(_samples, 0, len * 2);
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}
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void Sampler::record(int in) {
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_samples[_indx++] = in;
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if(_indx > _len) _indx = 0;
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}
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int Sampler::next() {
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if(_indx > _len) _indx = 0;
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return _samples[_indx++];
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}
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void Sampler::reset() {
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_indx = 0;
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}
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