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/*
    This file is part of the TOBI SignalServer.

    Commercial Usage
    Licensees holding valid Graz University of Technology Commercial
    licenses may use this file in accordance with the Graz University
    of Technology Commercial License Agreement provided with the
    Software or, alternatively, in accordance with the terms contained in
    a written agreement between you and Graz University of Technology.

    --------------------------------------------------

    GNU General Public License Usage
    Alternatively, this file may be used under the terms of the GNU
    General Public License version 3.0 as published by the Free Software
    Foundation and appearing in the file gpl.txt included in the
    packaging of this file.  Please review the following information to
    ensure the GNU General Public License version 3.0 requirements will be
    met: http://www.gnu.org/copyleft/gpl.html.

    In case of GNU General Public License Usage ,the TOBI SignalServer
    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 the TOBI SignalServer. If not, see <http://www.gnu.org/licenses/>.

    Copyright 2010 Graz University of Technology
    Contact: SignalServer@tobi-project.org
*/

#ifndef BRAINAMPSERIES_H
#define BRAINAMPSERIES_H

#include <string>

#include <boost/cstdint.hpp>
#include <windows.h>
#include <stdio.h>
#include <io.h>
#include <conio.h>
#include <WinIoCtl.h>

#include "hardware/hw_thread.h"
#include "hardware/hw_thread_builder.h"

#include "extern/include/brainproducts/BrainAmpIoCtl.h"
#include "extern/include/FilterTools/iirbutterlpf.h"

namespace tobiss
{

//-----------------------------------------------------------------------------

class BrainAmpSeries : public HWThread
{
  public:
    BrainAmpSeries(ticpp::Iterator<ticpp::Element> hw);
    ~BrainAmpSeries();

    virtual SampleBlock<double> getSyncData();
    virtual SampleBlock<double> getAsyncData();

    virtual void run();
    virtual void stop();

  private:

    enum AmpType
    {
      None = 0, Standard = 1, MR = 2, DCMRplus = 3, ExGMR = 4
    };
    enum Resolution
    {
      r_100nV = 0, r_500nV = 1, r_10muV = 2, r_152_6muV = 3
    };
    enum AcquisitionType
    {
      Impedance = 0, DataAcqu = 1, TestSignal = 2
    };

    virtual void setDeviceSettings(ticpp::Iterator<ticpp::Element>const &father);
    virtual void setChannelSettings(ticpp::Iterator<ticpp::Element>const &father);
    void setHardware(ticpp::Iterator<ticpp::Element>const &hw);

    void setBrainAmpSamplingRate(ticpp::Iterator<ticpp::Element>const &elem);
    void setDeviceLowImp(ticpp::Iterator<ticpp::Element>const &elem);
    void setDeviceTriggerValue(ticpp::Iterator<ticpp::Element>const &elem);
    void setDeviceLowpass250(ticpp::Iterator<ticpp::Element>const &elem);
    void setDeviceDCCoupling(ticpp::Iterator<ticpp::Element>const &elem);
    void setDeviceResolution(ticpp::Iterator<ticpp::Element>const &elem);
    void setDeviceCalibrationMode(ticpp::Iterator<ticpp::Element>const &elem);

    void setChannelLowpass250(ticpp::Iterator<ticpp::Element>const &father);
    void setChannelDCDecoupling(ticpp::Iterator<ticpp::Element>const &father);
    void setChannelResolution(ticpp::Iterator<ticpp::Element>const &father);

    void setTriggerLine(ticpp::Iterator<ticpp::Element>const &elem);
    void checkTriggerLineChannel();

    std::string getErrorMsg(int error_code);
    void setBrainAmpChannelList();
    bool OpenUSBDevice();
    std::vector<AmpType> GetConnectedAmps();
    void printConnectedAmplifiers( std::vector<AmpType> amps);
    void checkHighestChannelNr( std::vector<AmpType> amps);
    void initDownsamplingFilters();

    bool readData();
    void fillSampleVector();
    void doDownSamplingAndFillSampleVector();
    unsigned int findChannelPostionInChannelList(boost::uint32_t ch);

  private:

    std::vector<short>     raw_buffer_;
    std::vector<double>    downsampling_buffer_;
    std::vector<unsigned short>    trigger_buffer_;
    std::vector<double>    samples_;

    BA_SETUP                          brainamp_settings_;
    BA_CALIBRATION_SETTINGS           brainamp_calibration_settings_;

    long                              acqu_type_;
    HANDLE                            dev_handle_;
    int                               driver_version_;

    vector< IIRButterLpf<double> >    lp_filters_;
    unsigned int                      ds_factor_;   

    bool                              trigger_line_enabled_;
    boost::uint32_t                   trigger_line_sig_type_;


    //-----------------------------------------------
    // Constants

    static const HWThreadBuilderTemplateRegistratorWithoutIOService<BrainAmpSeries> factory_registrator_;
    static const std::string hw_low_imp_;        
    static const std::string hw_trigger_value_;   
    static const std::string hw_trigger_line_;    
    static const std::string hw_250lp_;          
    static const std::string hw_dc_coupl_;     
    static const std::string hw_resolution_;     
    static const std::string hw_calibration_;    
      static const std::string hw_calib_on_;       
      static const std::string hw_calib_sig_;      
      static const std::string hw_calib_freq_;     

    static const std::string hw_value_;          

    static const float scaling_values_[];
    std::map<std::string, unsigned int> resolution_names_;

    std::map<std::string, unsigned int> calibration_signals_;

    std::map<AmpType, std::pair<std::string, unsigned int> > channels_per_amp_;  //

};

}  //tobiss

#endif // BRAINAMPSERIES_H