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			311 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			311 lines
		
	
	
		
			9.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
///////////////////////////////////////////////////////////////////////////////////
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// Copyright (C) 2022 Edouard Griffiths, F4EXB                                   //
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//                                                                               //
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// This program is free software; you can redistribute it and/or modify          //
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// it under the terms of the GNU General Public License as published by          //
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// the Free Software Foundation as version 3 of the License, or                  //
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// (at your option) any later version.                                           //
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//                                                                               //
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// This program is distributed in the hope that it will be useful,               //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
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// GNU General Public License V3 for more details.                               //
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//                                                                               //
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// You should have received a copy of the GNU General Public License             //
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// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
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///////////////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDE_M17MODPROCESSOR_H
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#define INCLUDE_M17MODPROCESSOR_H
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#include <QObject>
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#include <QByteArray>
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#include "M17Modulator.h"
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#include "dsp/dsptypes.h"
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#include "util/message.h"
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#include "util/messagequeue.h"
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#include "m17modfifo.h"
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#include "m17moddecimator.h"
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class M17ModProcessor : public QObject
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{
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    Q_OBJECT
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public:
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    class MsgSendSMS : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        const QString& getSourceCall() const { return m_sourceCall; }
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        const QString& getDestCall() const { return m_destCall; }
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        uint8_t getCAN() const { return m_can; }
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        const QString& getSMSText() const { return m_smsText; }
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        static MsgSendSMS* create(const QString& sourceCall, const QString& destCall, uint8_t can, const QString& smsText) {
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            return new MsgSendSMS(sourceCall, destCall, can, smsText);
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        }
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    private:
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        QString m_sourceCall;
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        QString m_destCall;
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        uint8_t m_can;
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        QString m_smsText;
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        MsgSendSMS(const QString& sourceCall, const QString& destCall, uint8_t can, const QString& smsText) :
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            Message(),
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            m_sourceCall(sourceCall),
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            m_destCall(destCall),
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            m_can(can),
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            m_smsText(smsText)
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        { }
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    };
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    class MsgSendAPRS : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        const QString& getSourceCall() const { return m_sourceCall; }
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        const QString& getDestCall() const { return m_destCall; }
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        uint8_t getCAN() const { return m_can; }
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        const QString& getCall() const { return m_call; }
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        const QString& getTo() const { return m_to; }
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        const QString& getVia() const { return m_via; }
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        const QString& getData() const { return m_data; }
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        bool getInsertPosition() const { return m_insertPosition; }
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        static MsgSendAPRS* create(
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            const QString& sourceCall,
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            const QString& destCall,
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            uint8_t can,
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            const QString& call,
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            const QString& to,
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            const QString& via,
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            const QString& data,
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            bool insertPosition
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        )
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        {
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            return new MsgSendAPRS(sourceCall, destCall, can, call, to, via, data, insertPosition);
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        }
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    private:
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        QString m_sourceCall;
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        QString m_destCall;
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        uint8_t m_can;
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        QString m_call;
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        QString m_to;
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        QString m_via;
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        QString m_data;
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        bool m_insertPosition;
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        MsgSendAPRS(
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            const QString& sourceCall,
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            const QString& destCall,
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            uint8_t can,
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            const QString& call,
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            const QString& to,
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            const QString& via,
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            const QString& data,
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            bool insertPosition
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        ) :
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            Message(),
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            m_sourceCall(sourceCall),
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            m_destCall(destCall),
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            m_can(can),
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            m_call(call),
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            m_to(to),
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            m_via(via),
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            m_data(data),
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            m_insertPosition(insertPosition)
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        { }
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    };
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    class MsgSendAudioFrame : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        const QString& getSourceCall() const { return m_sourceCall; }
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        const QString& getDestCall() const { return m_destCall; }
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        std::array<int16_t, 1920>& getAudioFrame() { return m_audioFrame; }
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        static MsgSendAudioFrame* create(const QString& sourceCall, const QString& destCall) {
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            return new MsgSendAudioFrame(sourceCall, destCall);
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        }
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    private:
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        QString m_sourceCall;
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        QString m_destCall;
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        std::array<int16_t, 1920> m_audioFrame;
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        MsgSendAudioFrame(const QString& sourceCall, const QString& destCall) :
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            Message(),
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            m_sourceCall(sourceCall),
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            m_destCall(destCall)
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        { }
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    };
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    class MsgStartAudio : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        const QString& getSourceCall() const { return m_sourceCall; }
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        const QString& getDestCall() const { return m_destCall; }
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        uint8_t getCAN() const { return m_can; }
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        static MsgStartAudio* create(const QString& sourceCall, const QString& destCall, uint8_t can) {
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            return new MsgStartAudio(sourceCall, destCall, can);
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        }
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    private:
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        QString m_sourceCall;
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        QString m_destCall;
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        uint8_t m_can;
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        MsgStartAudio(const QString& sourceCall, const QString& destCall, uint8_t can) :
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            Message(),
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            m_sourceCall(sourceCall),
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            m_destCall(destCall),
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            m_can(can)
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        { }
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    };
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    class MsgStopAudio : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        static MsgStopAudio* create() {
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            return new MsgStopAudio();
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        }
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    private:
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        MsgStopAudio() :
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            Message()
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        { }
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    };
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    class MsgStartBERT : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        static MsgStartBERT* create() {
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            return new MsgStartBERT();
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        }
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    private:
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        MsgStartBERT() :
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            Message()
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        { }
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    };
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    class MsgSendBERTFrame : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        static MsgSendBERTFrame* create() {
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            return new MsgSendBERTFrame();
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        }
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    private:
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        MsgSendBERTFrame() :
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            Message()
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        { }
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    };
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    class MsgStopBERT : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        static MsgStopBERT* create() {
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            return new MsgStopBERT();
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        }
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    private:
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        MsgStopBERT() :
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            Message()
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        { }
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    };
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    class MsgSetGNSS : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        float getLat() const { return m_lat; }
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        float getLon() const { return m_lon; }
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        float getAlt() const { return m_alt; }
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        static MsgSetGNSS* create(float lat, float lon, float alt) {
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            return new MsgSetGNSS(lat, lon, alt);
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        }
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    private:
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        float m_lat;
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        float m_lon;
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        float m_alt;
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        MsgSetGNSS(float lat, float lon, float alt) :
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            Message(),
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            m_lat(lat),
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            m_lon(lon),
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            m_alt(alt)
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        { }
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    };
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    class MsgStopGNSS : public Message {
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        MESSAGE_CLASS_DECLARATION
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    public:
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        static MsgStopGNSS* create() {
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            return new MsgStopGNSS();
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        }
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    private:
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        MsgStopGNSS() :
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            Message()
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        { }
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    };
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    M17ModProcessor();
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    ~M17ModProcessor();
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    MessageQueue *getInputMessageQueue() { return &m_inputMessageQueue; }
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    M17ModFIFO *getBasebandFifo() { return &m_basebandFifo; }
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private:
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    MessageQueue m_inputMessageQueue;
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    M17ModFIFO m_basebandFifo; //!< Samples are 16 bit integer baseband 48 kS/s samples
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    int m_basebandFifoHigh;
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    int m_basebandFifoLow;
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    M17ModDecimator m_decimator; //!< 48k -> 8k decimator
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    modemm17::M17Modulator m_m17Modulator;
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    std::array<modemm17::M17Modulator::lich_segment_t, 6> m_lich; //!< LICH bits
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    int m_lichSegmentIndex;
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    std::array<int16_t, 320*6> m_audioFrame;
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    int m_audioFrameIndex;
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    uint16_t m_audioFrameNumber;
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    struct CODEC2 *m_codec2;
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    modemm17::PRBS9 m_prbs;
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    bool m_insertPositionToggle;
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    bool handleMessage(const Message& cmd);
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    void processPacket(const QString& sourceCall, const QString& destCall, uint8_t can, const QByteArray& packetBytes);
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    void audioStart(const QString& sourceCall, const QString& destCall, uint8_t can);
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    void audioStop();
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    void processAudioFrame();
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    std::array<uint8_t, 16> encodeAudio(std::array<int16_t, 320*6>& audioFrame);
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    void processBERTFrame();
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    void test(const QString& sourceCall, const QString& destCall);
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    void send_preamble();
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    void send_eot();
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    void output_baseband(std::array<uint8_t, 2> sync_word, const std::array<int8_t, 368>& frame);
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    QString formatAPRSPosition();
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private slots:
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    void handleInputMessages();
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};
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#endif // INCLUDE_M17MODPROCESSOR_H
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