diff options
Diffstat (limited to 'usrp/host/lib/legacy/db_basic.cc')
| -rw-r--r-- | usrp/host/lib/legacy/db_basic.cc | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/usrp/host/lib/legacy/db_basic.cc b/usrp/host/lib/legacy/db_basic.cc new file mode 100644 index 000000000..9c37c438e --- /dev/null +++ b/usrp/host/lib/legacy/db_basic.cc @@ -0,0 +1,263 @@ +// +// Copyright 2008 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. + +#include <db_basic.h> +#include <db_base_impl.h> + + +db_basic_tx::db_basic_tx(boost::shared_ptr<usrp_basic> usrp, int which) + : db_base(usrp, which) +{ + // Handler for Basic Tx daughterboards. + // + // @param usrp: instance of usrp.source_c + // @param which: which side: 0 or 1 corresponding to TX_A or TX_B respectively + + set_gain((gain_min() + gain_max()) / 2); // initialize gain +} + +db_basic_tx::~db_basic_tx() +{ +} + +double +db_basic_tx::freq_min() +{ + return -90e9; +} + +double +db_basic_tx::freq_max() +{ + return 90e9; +} + +struct freq_result_t +db_basic_tx::set_freq(double target_freq) +{ + // Set the frequency. + // + // @param freq: target RF frequency in Hz + // @type freq: double + // + // @returns (ok, actual_baseband_freq) where: + // ok is True or False and indicates success or failure, + // actual_baseband_freq is the RF frequency that corresponds to DC in the IF. + + struct freq_result_t args = {false, 0}; + args.ok = true; + args.baseband_freq = 0.0; + return args; +} + +float +db_basic_tx::gain_min() +{ + return usrp()->pga_min(); +} + +float +db_basic_tx::gain_max() +{ + return usrp()->pga_max(); +} + +float +db_basic_tx::gain_db_per_step() +{ + return usrp()->pga_db_per_step(); +} + +bool +db_basic_tx::set_gain(float gain) +{ + // Set the gain. + // + // @param gain: gain in decibels + // @returns True/False + + bool ok = usrp()->set_pga(d_which * 2 + 0, gain); + ok = ok && usrp()->set_pga(d_which * 2 + 1, gain); + return ok; +} + +bool +db_basic_tx::is_quadrature() +{ + // Return True if this board requires both I & Q analog channels. + + return true; +} + + +/******************************************************************************/ + + +db_basic_rx::db_basic_rx(usrp_basic_sptr usrp, int which, int subdev) + : db_base(usrp, which) +{ + // Handler for Basic Rx daughterboards. + // + // @param usrp: instance of usrp.source_c + // @param which: which side: 0 or 1 corresponding to TX_A or TX_B respectively + // @param subdev: which analog i/o channel: 0 or 1 + // @type subdev: int + + d_subdev = subdev; + + bypass_adc_buffers(true); + + if(0) { // Doing this would give us a different default than the historical values... + set_gain(float(gain_min() + gain_max()) / 2.0); // initialize gain + } +} + +db_basic_rx::~db_basic_rx() +{ +} + +double +db_basic_rx::freq_min() +{ + return -90e9; +} + +double +db_basic_rx::freq_max() +{ + return 90e9; +} + +struct freq_result_t +db_basic_rx::set_freq(double target_freq) +{ + // Set the frequency. + // + // @param freq: target RF frequency in Hz + // @type freq: double + // + // @returns (ok, actual_baseband_freq) where: + // ok is True or False and indicates success or failure, + // actual_baseband_freq is the RF frequency that corresponds to DC in the IF. + + struct freq_result_t args = {true, 0.0}; + return args; +} + +float +db_basic_rx::gain_min() +{ + return usrp()->pga_min(); +} + +float +db_basic_rx::gain_max() +{ + return usrp()->pga_max(); +} + +float +db_basic_rx::gain_db_per_step() +{ + return usrp()->pga_db_per_step(); +} + +bool +db_basic_rx::set_gain(float gain) +{ + // Set the gain. + // + // @param gain: gain in decibels + // @returns True/False + + return usrp()->set_pga(d_which * 2 + d_subdev, gain); +} + +bool +db_basic_rx::is_quadrature() +{ + // Return True if this board requires both I & Q analog channels. + + // This bit of info is useful when setting up the USRP Rx mux register. + + return false; +} + + + +/******************************************************************************/ + + +db_lf_tx::db_lf_tx(usrp_basic_sptr usrp, int which) + : db_basic_tx(usrp, which) +{ + // Handler for Low Freq Tx daughterboards. + // + // @param usrp: instance of usrp.source_c + // @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively +} + +db_lf_tx::~db_lf_tx() +{ +} + +double +db_lf_tx::freq_min() +{ + return -32e6; +} + +double +db_lf_tx::freq_max() +{ + return 32e6; +} + +/******************************************************************************/ + + +db_lf_rx::db_lf_rx(usrp_basic_sptr usrp, int which, int subdev) + : db_basic_rx(usrp, which, subdev) +{ + // Handler for Low Freq Rx daughterboards. + // + // @param usrp: instance of usrp.source_c + // @param which: which side: 0 or 1 corresponding to RX_A or RX_B respectively + // @param subdev: which analog i/o channel: 0 or 1 + // @type subdev: int +} + +db_lf_rx::~db_lf_rx() +{ +} + +double +db_lf_rx::freq_min() +{ + return 0.0; +} + +double +db_lf_rx::freq_max() +{ + return 32e6; +} + + |