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 2, 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., 59 Temple Place - Suite 330, 00020 * Boston, MA 02111-1307, USA. 00021 */ 00022 00023 #ifndef _MICROTUNE_4937_H_ 00024 #define _MICROTUNE_4937_H_ 00025 00029 class microtune_4937 { 00030 public: 00031 microtune_4937 (); 00032 00033 virtual ~microtune_4937 (); 00034 00043 bool set_RF_freq (double freq, double *actual_freq); 00044 00045 // returns actual freq or 0 if error (easier interface for SWIG) 00046 double set_RF_freq (double freq); 00047 00051 bool pll_locked_p (); 00052 00056 double get_output_freq (); 00057 00058 private: 00060 virtual bool i2c_write (int addr, const unsigned char *buf, int nbytes) = 0; 00061 00063 virtual int i2c_read (int addr, unsigned char *buf, int max_bytes) = 0; 00064 00065 int d_reference_divider; 00066 bool d_fast_tuning_p; /* if set, higher charge pump current: 00067 faster tuning, worse phase noise 00068 for distance < 10kHz to the carrier */ 00069 }; 00070 00071 #endif /* _MICROTUNE_4937_H_ */