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57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
// SPDX-License-Identifier: LGPL-3.0-or-other
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// Copyright (C) 2021 Contributors to the SLS Detector Package
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#pragma once
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/************************************************
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* @file Fifo.h
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* @short constructs the fifo structure
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* which is a circular buffer with pointers to
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* parts of allocated memory
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***********************************************/
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/**
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*@short constructs the fifo structure
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*/
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#include "sls/logger.h"
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#include "sls/sls_detector_defs.h"
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#include "sls/CircularFifo.h"
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namespace sls {
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class Fifo : private virtual slsDetectorDefs {
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public:
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Fifo(int index, size_t fifoItemSize, uint32_t fifoDepth);
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~Fifo();
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void FreeAddress(char *&address);
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void GetNewAddress(char *&address);
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/** to process data */
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void PushAddress(char *&address);
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void PopAddress(char *&address);
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void PushAddressToStream(char *&address);
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void PopAddressToStream(char *&address);
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int GetMaxLevelForFifoBound();
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int GetMinLevelForFifoFree();
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private:
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/** also allocate memory & push addresses into free fifo */
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void CreateFifos(size_t fifoItemSize);
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/** also deallocate memory */
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void DestroyFifos();
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int index;
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char *memory;
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CircularFifo<char> *fifoBound;
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CircularFifo<char> *fifoFree;
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CircularFifo<char> *fifoStream;
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int fifoDepth;
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volatile int status_fifoBound;
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volatile int status_fifoFree;
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};
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} // namespace sls
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