mirror of https://gerrit.osmocom.org/libusrp
267 lines
5.2 KiB
C++
267 lines
5.2 KiB
C++
//
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// Copyright 2008,2009 Free Software Foundation, Inc.
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//
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// This file is part of GNU Radio
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//
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// GNU Radio is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either asversion 3, or (at your option)
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// any later version.
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//
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// GNU Radio is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with GNU Radio; see the file COPYING. If not, write to
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// the Free Software Foundation, Inc., 51 Franklin Street,
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// Boston, MA 02110-1301, USA.
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <usrp/db_basic.h>
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#include <db_base_impl.h>
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db_basic_tx::db_basic_tx(boost::shared_ptr<usrp_basic> usrp, int which)
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: db_base(usrp, which)
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{
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// Handler for Basic Tx daughterboards.
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//
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// @param usrp: instance of usrp.source_c
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// @param which: which side: 0 or 1 corresponding to TX_A or TX_B respectively
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set_gain((gain_min() + gain_max()) / 2); // initialize gain
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}
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db_basic_tx::~db_basic_tx()
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{
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}
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double
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db_basic_tx::freq_min()
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{
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return -90e9;
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}
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double
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db_basic_tx::freq_max()
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{
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return 90e9;
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}
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struct freq_result_t
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db_basic_tx::set_freq(double target_freq)
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{
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// Set the frequency.
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//
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// @param freq: target RF frequency in Hz
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// @type freq: double
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//
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// @returns (ok, actual_baseband_freq) where:
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// ok is True or False and indicates success or failure,
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// actual_baseband_freq is the RF frequency that corresponds to DC in the IF.
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struct freq_result_t args = {false, 0};
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args.ok = true;
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args.baseband_freq = 0.0;
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return args;
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}
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float
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db_basic_tx::gain_min()
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{
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return usrp()->pga_min();
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}
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float
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db_basic_tx::gain_max()
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{
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return usrp()->pga_max();
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}
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float
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db_basic_tx::gain_db_per_step()
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{
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return usrp()->pga_db_per_step();
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}
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bool
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db_basic_tx::set_gain(float gain)
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{
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// Set the gain.
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//
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// @param gain: gain in decibels
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// @returns True/False
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bool ok = usrp()->set_pga(d_which * 2 + 0, gain);
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ok = ok && usrp()->set_pga(d_which * 2 + 1, gain);
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return ok;
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}
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bool
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db_basic_tx::is_quadrature()
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{
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// Return True if this board requires both I & Q analog channels.
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return true;
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}
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/******************************************************************************/
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db_basic_rx::db_basic_rx(usrp_basic_sptr usrp, int which, int subdev)
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: db_base(usrp, which)
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{
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// Handler for Basic Rx daughterboards.
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//
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// @param usrp: instance of usrp.source_c
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// @param which: which side: 0 or 1 corresponding to TX_A or TX_B respectively
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// @param subdev: which analog i/o channel: 0 or 1
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// @type subdev: int
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d_subdev = subdev;
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bypass_adc_buffers(true);
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if(0) { // Doing this would give us a different default than the historical values...
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set_gain(float(gain_min() + gain_max()) / 2.0); // initialize gain
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}
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}
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db_basic_rx::~db_basic_rx()
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{
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}
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double
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db_basic_rx::freq_min()
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{
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return -90e9;
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}
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double
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db_basic_rx::freq_max()
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{
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return 90e9;
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}
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struct freq_result_t
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db_basic_rx::set_freq(double target_freq)
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{
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// Set the frequency.
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//
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// @param freq: target RF frequency in Hz
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// @type freq: double
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//
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// @returns (ok, actual_baseband_freq) where:
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// ok is True or False and indicates success or failure,
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// actual_baseband_freq is the RF frequency that corresponds to DC in the IF.
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struct freq_result_t args = {true, 0.0};
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return args;
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}
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float
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db_basic_rx::gain_min()
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{
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return usrp()->pga_min();
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}
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float
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db_basic_rx::gain_max()
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{
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return usrp()->pga_max();
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}
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float
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db_basic_rx::gain_db_per_step()
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{
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return usrp()->pga_db_per_step();
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}
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bool
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db_basic_rx::set_gain(float gain)
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{
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// Set the gain.
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//
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// @param gain: gain in decibels
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// @returns True/False
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return usrp()->set_pga(d_which * 2 + d_subdev, gain);
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}
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bool
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db_basic_rx::is_quadrature()
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{
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// Return True if this board requires both I & Q analog channels.
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// This bit of info is useful when setting up the USRP Rx mux register.
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return (d_subdev == 2);
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}
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/******************************************************************************/
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db_lf_tx::db_lf_tx(usrp_basic_sptr usrp, int which)
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: db_basic_tx(usrp, which)
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{
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// Handler for Low Freq Tx daughterboards.
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//
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// @param usrp: instance of usrp.source_c
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// @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively
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}
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db_lf_tx::~db_lf_tx()
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{
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}
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double
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db_lf_tx::freq_min()
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{
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return -32e6;
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}
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double
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db_lf_tx::freq_max()
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{
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return 32e6;
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}
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/******************************************************************************/
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db_lf_rx::db_lf_rx(usrp_basic_sptr usrp, int which, int subdev)
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: db_basic_rx(usrp, which, subdev)
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{
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// Handler for Low Freq Rx daughterboards.
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//
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// @param usrp: instance of usrp.source_c
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// @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively
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// @param subdev: which analog i/o channel: 0 or 1
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// @type subdev: int
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}
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db_lf_rx::~db_lf_rx()
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{
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}
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double
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db_lf_rx::freq_min()
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{
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return 0.0;
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}
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double
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db_lf_rx::freq_max()
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{
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return 32e6;
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}
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