midiin.h

// Shruthi-Editor: An unofficial Editor for the Shruthi hardware synthesizer. For
// informations about the Shruthi, see <http://www.mutable-instruments.net/shruthi1>.
//
// Copyright (C) 2011-2019 Manuel Krönig
//
// 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 SHRUTHI_MIDIIN_H
#define SHRUTHI_MIDIIN_H


#include <QObject>
#include "message.h"
#include "queueitem.h"
class RtMidiIn;


class NRPN {
    public:
        NRPN();
        int getValue();
        int getNRPN();
        bool parse(int,int,int);

    private:
        int nrpnMsb;
        int nrpn;
        int valueMsb;
        int value;
};


class MidiIn : public QObject {
        Q_OBJECT

    public:
        ~MidiIn();
        MidiIn();
        void process(const Message *message);

    private:
        MidiIn(const MidiIn&); //forbid copying
        MidiIn &operator=(const MidiIn&); //forbid assignment

        bool open(const unsigned int &port);
        bool isNRPN(const unsigned char &n0, const unsigned char &n1);

        NRPN nrpn;

        RtMidiIn* midiin;
        bool opened;
        unsigned int input;
        bool initialized;


        // The major part of the version number is multiplied by 1000 and the minor part is added,
        // ie v0.98 = 98 and 1.01 = 1001
        // Note: The required SysEx was introduced in firmware 0.98. If the shruthi doesn't answer
        //       to the request, assume firmware version before 0.98.
        //       Furthermore the version field isn't updated consistently: Versions 1.01 and 1.02
        //       identify themselves as 1.00.
        unsigned int firmwareVersion;

        bool warnedCC;

        int shruthiFilterBoard;

    public slots:
        void setMidiInputPort(int in);
        void setShruthiFilterBoard(int filter);

    signals:
        void enqueue(QueueItem);
        void midiInputStatusChanged(bool);
};


#endif // SHRUTHI_MIDIIN_H