microtune_4937.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2001,2003 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 3, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_MICROTUNE_4937_H
00024 #define INCLUDED_MICROTUNE_4937_H
00025 
00026 #include <microtune_xxxx.h>
00027 
00032 class microtune_4937 : public microtune_xxxx {
00033 public:
00034   microtune_4937 (i2c_sptr i2c, int i2c_addr = 0x61);
00035   virtual ~microtune_4937 ();
00036 
00045   bool set_RF_freq (double freq, double *actual_freq);
00046   
00050   bool pll_locked_p ();
00051   
00055   double get_output_freq ();
00056 
00057  private:
00058 
00059   i2c_sptr      d_i2c;
00060   int           d_i2c_addr;
00061   int           d_reference_divider;
00062   bool          d_fast_tuning_p;        /* if set, higher charge pump current:
00063                                            faster tuning, worse phase noise
00064                                            for distance < 10kHz to the carrier */
00065 };
00066 
00067 #endif /* INCLUDED_MICROTUNE_4937_H */

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