pulserdriverh8.h

/***************************************************************************
        Copyright (C) 2002-2015 Kentaro Kitagawa
                           kitagawa@phys.s.u-tokyo.ac.jp
        
        This program is free software; you can redistribute it and/or
        modify it under the terms of the GNU Library General Public
        License as published by the Free Software Foundation; either
        version 2 of the License, or (at your option) any later version.
        
        You should have received a copy of the GNU Library General 
        Public License and a list of authors along with this program; 
        see the files COPYING and AUTHORS.
***************************************************************************/
#include "pulserdriver.h"
#include "chardevicedriver.h"
#include <vector>

//! My pulser driver
class XH8Pulser : public XCharDeviceDriver<XPulser> {
public:
    XH8Pulser(const char *name, bool runtime,
        Transaction &tr_meas, const shared_ptr<XMeasure> &meas);
    virtual ~XH8Pulser() {}

    struct Payload : public XPulser::Payload {
    private:
        friend class XH8Pulser;
        struct h8ushort {unsigned char msb; unsigned char lsb;};
        std::vector<h8ushort> m_zippedPatterns;
    };

    //! time resolution [ms]
    virtual double resolution() const;
protected:
    //! Be called just after opening interface. Call start() inside this routine appropriately.
    virtual void open() throw (XKameError &);
    //! Sends patterns to pulser or turns off.
    virtual void changeOutput(const Snapshot &shot, bool output, unsigned int blankpattern);
    //! Converts RelPatList to native patterns
    virtual void createNativePatterns(Transaction &tr);
    virtual double resolutionQAM() const {return 0.0;}
    //! minimum period of pulses [ms]
    virtual double minPulseWidth() const;
    //! existense of AO ports.
    virtual bool hasQAMPorts() const {return false;}
private:
    //! Add 1 pulse pattern
    //! \param term a period to next pattern
    //! \param pattern a pattern for digital, to appear
    int pulseAdd(Transaction &tr, uint64_t term, uint16_t pattern);
};