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158 lines
3.8 KiB
C++
158 lines
3.8 KiB
C++
/* ----------------------------------------------------------------------
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* Project: CMSIS DSP Library
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* Title: AppNodes.h
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* Description: Application nodes for Example 1
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*
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* $Date: 29 July 2021
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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) 2010-2021 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 _APPNODES_H_
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#define _APPNODES_H_
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#include <iostream>
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template<typename IN, int inputSize>
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class Sink: public GenericSink<IN, inputSize>
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{
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public:
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Sink(FIFOBase<IN> &src):GenericSink<IN,inputSize>(src){};
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int prepareForRunning() final
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{
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if (this->willUnderflow())
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{
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return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution
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}
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return(0);
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};
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int run() final
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{
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IN *b=this->getReadBuffer();
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printf("Sink\n");
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for(int i=0;i<inputSize;i++)
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{
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std::cout << (int)b[i] << std::endl;
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}
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return(0);
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};
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};
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template<typename OUT,int outputSize>
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class Source: public GenericSource<OUT,outputSize>
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{
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public:
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Source(FIFOBase<OUT> &dst):GenericSource<OUT,outputSize>(dst),
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mPeriod(0),mValuePeriodStart(0){};
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int getSamplesForPeriod() const
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{
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if (mPeriod == 0)
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{
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return(3);
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}
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return(2);
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}
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void updatePeriod(){
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mPeriod++;
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mValuePeriodStart = 3;
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if (mPeriod == 2)
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{
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mPeriod = 0;
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mValuePeriodStart = 0;
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}
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}
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int prepareForRunning() final
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{
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/* Cyclo static scheduling do not make sense in
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asynchronous mode so the default outputSize is used.
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This function is never used in cyclo-static scheduling
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*/
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if (this->willOverflow())
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{
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return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution
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}
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return(0);
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};
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int run() final{
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OUT *b=this->getWriteBuffer(getSamplesForPeriod());
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printf("Source\n");
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for(int i=0;i<getSamplesForPeriod();i++)
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{
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b[i] = mValuePeriodStart + (OUT)i;
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}
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updatePeriod();
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return(0);
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};
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protected:
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int mPeriod;
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OUT mValuePeriodStart;
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};
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template<typename IN, int inputSize,typename OUT,int outputSize>
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class ProcessingNode;
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template<typename IN, int inputOutputSize>
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class ProcessingNode<IN,inputOutputSize,IN,inputOutputSize>:
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public GenericNode<IN,inputOutputSize,IN,inputOutputSize>
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{
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public:
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ProcessingNode(FIFOBase<IN> &src,
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FIFOBase<IN> &dst):GenericNode<IN,inputOutputSize,
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IN,inputOutputSize>(src,dst){};
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int prepareForRunning() final
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{
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if (this->willOverflow() ||
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this->willUnderflow())
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{
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return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution
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}
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return(0);
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};
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int run() final{
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printf("ProcessingNode\n");
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IN *a=this->getReadBuffer();
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IN *b=this->getWriteBuffer();
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for(int i=0;i<inputOutputSize;i++)
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{
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b[i] = a[i]+1;
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}
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return(0);
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};
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};
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#endif |