diff options
Diffstat (limited to 'gr-fcd/lib/fcd_source_c.cc')
| -rw-r--r-- | gr-fcd/lib/fcd_source_c.cc | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/gr-fcd/lib/fcd_source_c.cc b/gr-fcd/lib/fcd_source_c.cc deleted file mode 100644 index 75bdd3162..000000000 --- a/gr-fcd/lib/fcd_source_c.cc +++ /dev/null @@ -1,236 +0,0 @@ -/* -*- c++ -*- */ -/* - * Copyright 2011 Free Software Foundation, Inc. - * - * 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 version 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. - */ -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - - -#include <fcd_source_c.h> -#include <fcd.h> -#include <fcdhidcmd.h> // needed for extended API -#include <gr_io_signature.h> -#include <gr_audio_source.h> -#include <gr_float_to_complex.h> -#include <gruel/attributes.h> - -//#include <iostream> -//using namespace std; - -/* - * Create a new instance of fcd_source_c and return - * a boost shared_ptr. This is effectively the public constructor. - */ -fcd_source_c_sptr fcd_make_source_c(const std::string device_name) -{ - return gnuradio::get_initial_sptr(new fcd_source_c(device_name)); -} - - -static const int MIN_IN = 0; /*!< Mininum number of input streams. */ -static const int MAX_IN = 0; /*!< Maximum number of input streams. */ -static const int MIN_OUT = 1; /*!< Minimum number of output streams. */ -static const int MAX_OUT = 1; /*!< Maximum number of output streams. */ - - -fcd_source_c::fcd_source_c(const std::string device_name) - : gr_hier_block2 ("fcd_source_c", - gr_make_io_signature (MIN_IN, MAX_IN, sizeof (gr_complex)), - gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (gr_complex))), - d_freq_corr(-120), - d_freq_req(0) -{ - gr_float_to_complex_sptr f2c; - - /* Audio source; sample rate fixed at 96kHz */ - fcd = audio_make_source(96000, device_name, true); - - /* block to convert stereo audio to a complex stream */ - f2c = gr_make_float_to_complex(1); - - connect(fcd, 0, f2c, 0); - connect(fcd, 1, f2c, 1); - connect(f2c, 0, self(), 0); - -} - - -fcd_source_c::~fcd_source_c () -{ - -} - -// Set frequency with Hz resolution -void fcd_source_c::set_freq(int freq) -{ - FCD_MODE_ENUM __GR_ATTR_UNUSED fme; - double f = (double)freq; - - /* valid range 50 MHz - 2.0 GHz */ - if ((freq < 50000000) || (freq > 2000000000)) { - return; - } - - d_freq_req = freq; - f *= 1.0 + d_freq_corr/1000000.0; - - fme = fcdAppSetFreq((int)f); - /* TODO: check fme */ -} - -// Set frequency with Hz resolution (type float) -void fcd_source_c::set_freq(float freq) -{ - FCD_MODE_ENUM __GR_ATTR_UNUSED fme; - double f = (double)freq; - - /* valid range 50 MHz - 2.0 GHz */ - if ((freq < 50.0e6) || (freq > 2.0e9)) { - return; - } - - d_freq_req = (int)freq; - f *= 1.0 + d_freq_corr/1000000.0; - - fme = fcdAppSetFreq((int)f); - /* TODO: check fme */ -} - - -// Set frequency with kHz resolution. -void fcd_source_c::set_freq_khz(int freq) -{ - FCD_MODE_ENUM __GR_ATTR_UNUSED fme; - double f = freq*1000.0; - - /* valid range 50 MHz - 2.0 GHz */ - if ((freq < 50000) || (freq > 2000000)) { - return; - } - - d_freq_req = freq*1000; - f *= 1.0 + d_freq_corr/1000000.0; - - fme = fcdAppSetFreqkHz((int)(f/1000.0)); - /* TODO: check fme */ -} - - -// Set LNA gain -void fcd_source_c::set_lna_gain(float gain) -{ - FCD_MODE_ENUM __GR_ATTR_UNUSED fme; - unsigned char g; - - /* convert to nearest discrete value */ - if (gain > 27.5) { - g = 14; // 30.0 dB - } - else if (gain > 22.5) { - g = 13; // 25.0 dB - } - else if (gain > 18.75) { - g = 12; // 20.0 dB - } - else if (gain > 16.25) { - g = 11; // 17.5 dB - } - else if (gain > 13.75) { - g = 10; // 15.0 dB - } - else if (gain > 11.25) { - g = 9; // 12.5 dB - } - else if (gain > 8.75) { - g = 8; // 10.0 dB - } - else if (gain > 6.25) { - g = 7; // 7.5 dB - } - else if (gain > 3.75) { - g = 6; // 5.0 dB - } - else if (gain > 1.25) { - g = 5; // 2.5 dB - } - else if (gain > -1.25) { - g = 4; // 0.0 dB - } - else if (gain > -3.75) { - g = 1; // -2.5 dB - } - else { - g = 0; // -5.0 dB - } - - fme = fcdAppSetParam(FCD_CMD_APP_SET_LNA_GAIN, &g, 1); - /* TODO: check fme */ -} - -// Set new frequency correction -void fcd_source_c::set_freq_corr(int ppm) -{ - d_freq_corr = ppm; - // re-tune with new correction value - set_freq(d_freq_req); -} - - -// Set DC offset correction. -void fcd_source_c::set_dc_corr(double _dci, double _dcq) -{ - union { - unsigned char auc[4]; - struct { - signed short dci; // equivalent of qint16 which should be 16 bit everywhere - signed short dcq; - }; - } dcinfo; - - if ((_dci < -1.0) || (_dci > 1.0) || (_dcq < -1.0) || (_dcq > 1.0)) - return; - - dcinfo.dci = static_cast<signed short>(_dci*32768.0); - dcinfo.dcq = static_cast<signed short>(_dcq*32768.0); - - fcdAppSetParam(FCD_CMD_APP_SET_DC_CORR, dcinfo.auc, 4); - -} - - -// Set IQ phase and gain balance. -void fcd_source_c::set_iq_corr(double _gain, double _phase) -{ - union { - unsigned char auc[4]; - struct { - signed short phase; - signed short gain; - }; - } iqinfo; - - if ((_gain < -1.0) || (_gain > 1.0) || (_phase < -1.0) || (_phase > 1.0)) - return; - - iqinfo.phase = static_cast<signed short>(_phase*32768.0); - iqinfo.gain = static_cast<signed short>(_gain*32768.0); - - fcdAppSetParam(FCD_CMD_APP_SET_IQ_CORR, iqinfo.auc, 4); - -} |