source_impl.h

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/* -*- c++ -*- */
/*
 * Copyright 2013 Stefan Goerg stefan@dl2stg.de
 * Copyright 2021 Karsten Schmidt dg1vs@darc.de
 *
 * This 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, or (at your option)
 * any later version.
 *
 * This software 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 software; see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDED_HIQSDRTRX_SOURCE_IMPL_H
#define INCLUDED_HIQSDRTRX_SOURCE_IMPL_H

#include <hiqsdrtrx/source.h>

#define NLUT    128     

typedef std::complex<double> dcplx;
extern dcplx lut1[NLUT];
extern dcplx lut[NLUT];
extern int lutn[NLUT];
extern double lutPartAv[NLUT];
extern int lutPartUsed[NLUT];
extern int gr_hiqsdr_tx_samples;
extern int dpdState;
extern int testSig;

#define DPD_OFF                                 0
#define DPD_SYNC_SEARCH_CORR    1
#define DPD_SYNC_SEARCH_FINE    2
#define DPD_LEARN                               3
#define DPD_READY                               4
#define DPD_READY_OFF                   5

#define TEST_SIG_NONE                   0
#define TEST_SIG_TONE                   1
#define TEST_SIG_2TONE                  2
#define TEST_SIG_FM_NOICE               3


namespace gr {
  namespace hiqsdrtrx {

    class source_impl : public source
    {
     private:
      // Nothing to declare in this block.
                          size_t        d_itemsize;
                          int           d_payload_size;  // maximum transmission unit (packet length)
                          bool          d_eof;           // zero-length packet is EOF
                          int           d_socket;        // handle to socket
                          // gruel::mutex  d_mutex;           // protects d_socket and d_connected
                          unsigned char *d_temp_buff;    // hold buffer between  between call
                          int                   byteMode;
                          unsigned char seqNr;
                          gr_complex outBuf[8192];
                          int outBufPos;
                          int rxRate,txRate;

                          unsigned char ctlBuf[22];
                          unsigned char firBuf[80];
                          int c_socket;
                          int rx_fir_socket;
                          int tx_fir_socket;
                          int firmVersion;
                          bool cwMode;
                          int clockCorr;
                          bool dpd;
                          int lutParts;

                          void hiqSend();
                          void closeSocket(int socket);
                          int openSocket (const char *host, unsigned short port);
                          void printDPDState();

                          //void connect( const char *host, unsigned short port );

                          void disconnect();
                          void calcDPD(std::vector<dcplx> rxData, std::vector<dcplx> txData);
                          std::vector<dcplx> rxData;
                          std::vector<dcplx> txData;
                          std::vector<dcplx> rxDelay;
                          std::vector<dcplx> fracDelay(std::vector<dcplx> &in, int fDelay);
                          int maxIdx1;
                          int rxDel,rxDel1,rxDel2;
                          double maxRx;
                          int cnt,found,sStep;


     public:
      source_impl(size_t itemsize, const char *host,unsigned short port, unsigned short c_port, unsigned short rx_fir_port, unsigned short tx_fir_port, int payload_size,bool eof, bool wait, int rxfreq, int txfreq, int rate,bool ant, int presel, int att, int txLevel, bool ptt, int txRate, int clockCorr,std::vector<gr_complex> rxFirTaps , std::vector<gr_complex> txFirTaps, bool dpd);
      ~source_impl();

      // Where all the action really happens
      int work(
              int noutput_items,
              gr_vector_const_void_star &input_items,
              gr_vector_void_star &output_items
      );

      int payload_size() { return d_payload_size; }
                        int get_port();
                        void setRXFreq(int f);
                        void setTXFreq(int f);
                        void setSampleRate(int rate);
                        void setAnt(bool);
                        void setPresel(int);
                        void setAttenuator(int);
                        void setTXLevel(int l);
                        void setPtt(bool on);
                        void setTXRate(int);
                        void setCWMode(bool);
                        void setFilter(std::vector<gr_complex> coef, int dest=0);
                        void setClockCorr(int diff);
                         void setDPD(bool on);

    };

  } // namespace hiqsdrtrx
} // namespace gr

#endif /* INCLUDED_HIQSDRTRX_SOURCE_IMPL_H */