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FPGAThread.h
executable file
·108 lines (68 loc) · 2.33 KB
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FPGAThread.h
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/*
------------------------------------------------------------------
This file is part of the Open Ephys GUI
Copyright (C) 2012 Open Ephys
------------------------------------------------------------------
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __FPGATHREAD_H_FBB22A45__
#define __FPGATHREAD_H_FBB22A45__
#include "../../../JuceLibraryCode/JuceHeader.h"
#include <stdio.h>
#include <string.h>
#include "okFrontPanelDLL.h"
#include "DataThread.h"
/**
Communicates with the custom acquisition board via an Opal Kelly FPGA.
@see DataThread, SourceNode
*/
class SourceNode;
class FPGAThread : public DataThread
{
public:
FPGAThread(SourceNode* sn);
~FPGAThread();
bool foundInputSource();
int getNumChannels();
float getSampleRate();
float getBitVolts();
int getNumEventChannels();
void setOutputHigh();
void setOutputLow();
private:
okCFrontPanel* dev;
char bitfile[128];
char dll_date[32], dll_time[32];
bool isTransmitting;
bool deviceFound;
bool initializeFPGA(bool);
bool closeFPGA();
bool startAcquisition();
bool stopAcquisition();
int alignBuffer(int nBytes);
void checkTTLState();
unsigned char pBuffer[500000]; // size of the data requested in each buffer
int bytesToRead;
unsigned char overflowBuffer[20000];
int overflowSize;
int ttl_out;
int ttlState;
int ttlOutputVal;
int accumulator;
bool bufferWasAligned;
float thisSample[256];
int numchannels;
int Ndatabytes;
bool updateBuffer();
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (FPGAThread);
};
#endif // __FPGATHREAD_H_FBB22A45__