db_tv_rx.h

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/* -*- c++ -*- */
//
// Copyright 2008,2009 Free Software Foundation, Inc.
// 
// This file is part of GNU Radio
// 
// GNU Radio 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 asversion 3, or (at your option)
// any later version.
// 
// GNU Radio 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 GNU Radio; see the file COPYING.  If not, write to
// the Free Software Foundation, Inc., 51 Franklin Street,
// Boston, MA 02110-1301, USA.

#ifndef DB_TV_RX_H
#define DB_TV_RX_H

#include <usrp/db_base.h>

class db_tv_rx : public db_base
{
private:
  void _set_rfagc(float gain);
  void _set_ifagc(float gain);
  void _set_pga(float pga_gain);

  int d_i2c_addr;
  double d_first_IF, d_second_IF;
  int d_reference_divisor;
  bool d_fast_tuning;
  bool d_inverted;

public:
  db_tv_rx(usrp_basic_sptr usrp, int which, 
           double first_IF, double second_IF);
  ~db_tv_rx();

  float gain_min();
  float gain_max();
  float gain_db_per_step();
  double freq_min();
  double freq_max();
  struct freq_result_t set_freq(double target_freq);
  bool  set_gain(float gain);
  bool  is_quadrature();
  bool  spectrum_inverted();
};

#endif