/* ---------------------------------------------------------------------- * Project: CMSIS DSP Library * Title: StreamingSink.h * Description: Streaming Sink working with the RingBuffer * * $Date: 30 July 2021 * $Revision: V1.10.0 * * Target Processor: Cortex-M and Cortex-A cores * -------------------------------------------------------------------- */ /* * Copyright (C) 2010-2021 ARM Limited or its affiliates. All rights reserved. * * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the License); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an AS IS BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef _STREAMING_SINK_H_ #define _STREAMING_SINK_H_ #include "RingBuffer.h" /* This is deprecated. Don't use it */ template class StreamingSink: public GenericSink { public: StreamingSink(FIFOBase &src,ring_config_t *config): GenericSink(src),mConfig(config){}; int prepareForRunning() override { if (this->willUnderflow() ) { return(CG_SKIP_EXECUTION_ID_CODE); // Skip execution } return(0); }; int run() override { IN *b=this->getReadBuffer(); int bufID=ringUserReserveBuffer(mConfig); uint8_t *buf=ringGetBufferAddress(mConfig,bufID); if (buf != NULL) { /* If a buffer is available we copy the data to the FIFO */ memcpy(buf,(void*)b,inputSize*sizeof(IN)); /* We release the buffer so than it can be used by the interrupt */ ringUserReleaseBuffer(mConfig); return(0); } else { return(mConfig->error); } return(0); } protected: ring_config_t *mConfig; }; #endif /* _STREAMING_SINK_H_ */