USRPTX.hxx

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/*
Copyright (c) 2012,2013,2014 Matthew H. Reilly (kb1vc)
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:

    Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
    Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in
    the documentation and/or other materials provided with the
    distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef USRPTX_HDR
#define USRPTX_HDR
#include "SoDaBase.hxx"
#include "MultiMBox.hxx"
#include "Command.hxx"
#include "Params.hxx"
#include "QuadratureOscillator.hxx"
#include <uhd/usrp/multi_usrp.hpp>
#include <uhd/stream.hpp>

namespace SoDa {
  class USRPTX : public SoDaThread {
  public:
    USRPTX(Params * params, uhd::usrp::multi_usrp::sptr _usrp,
       DatMBox * _tx_stream, DatMBox * _cw_env_stream,
       CmdMBox * _cmd_stream);
    void run(); 

  private:

    uhd::usrp::multi_usrp::sptr usrp; 
    
    void transmitSwitch(bool tx_on);

    void getTXStreamer();
    
    void execGetCommand(Command * cmd); 
    void execSetCommand(Command * cmd); 
    void execRepCommand(Command * cmd);

    void setCWFreq(bool usb, double freq);

    void doCW(std::complex<float> * out, float * envelope, unsigned int env_len);
    
    unsigned int tx_subs;  
    unsigned int cmd_subs; 
    unsigned int cw_subs;  

    DatMBox * tx_stream;  
    DatMBox * cw_env_stream; 
    CmdMBox * cmd_stream; 
    
    bool tx_enabled; 
    SoDa::Command::ModulationType tx_modulation; 

    double CW_tone_freq;
    QuadratureOscillator CW_osc; 

    float * beacon_env; 
    bool beacon_mode;   

    float * zero_env; 

    std::complex<float> * cw_buf; 
    std::complex<float> * zero_buf; 

    double tx_sample_rate; 
    unsigned int tx_buffer_size; 
    float cw_env_amplitude;  
    
    bool waiting_to_run_dry; 
    
    uhd::stream_args_t * stream_args;
    uhd::tx_streamer::sptr tx_bits; 
    uhd::tx_metadata_t md; 

    // transverter local oscillator support
    bool LO_enabled; 
    bool LO_configured; 
    bool LO_capable; 

    std::complex<float> * const_buf; 
  }; 

}


#endif