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56 lines
1.8 KiB
C++
56 lines
1.8 KiB
C++
/* ----------------------------------------------------------------------
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* Project: CMSIS DSP Library
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* Title: SlidingBuffer.h
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* Description: Sliding buffer
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*
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* $Date: 25 October 2022
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* $Revision: V1.10.0
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*
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* Target Processor: Cortex-M and Cortex-A cores
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* -------------------------------------------------------------------- */
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/*
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* Copyright (C) 2010-2022 ARM Limited or its affiliates. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _SLIDINGBUFFER_H_
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#define _SLIDINGBUFFER_H_
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template<typename IN,int windowSize, int overlap>
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class SlidingBuffer: public GenericNode<IN,windowSize-overlap,IN,windowSize>
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{
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public:
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SlidingBuffer(FIFOBase<IN> &src,FIFOBase<IN> &dst):GenericNode<IN,windowSize-overlap,IN,windowSize>(src,dst)
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{
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static_assert((windowSize-overlap)>0, "Overlap is too big");
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memory.resize(overlap);
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};
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int run(){
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IN *a=this->getReadBuffer();
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IN *b=this->getWriteBuffer();
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memcpy((void*)b,(void*)memory.data(),overlap*sizeof(IN));
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memcpy((void*)(b+overlap),(void*)a,(windowSize-overlap)*sizeof(IN));
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memcpy((void*)memory.data(),(void*)(b+windowSize-overlap),overlap*sizeof(IN)) ;
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return(0);
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};
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protected:
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std::vector<IN> memory;
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};
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#endif |