diff options
Diffstat (limited to 'host/lib/usrp/usrp_e100/dsp_impl.cpp')
| -rw-r--r-- | host/lib/usrp/usrp_e100/dsp_impl.cpp | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/host/lib/usrp/usrp_e100/dsp_impl.cpp b/host/lib/usrp/usrp_e100/dsp_impl.cpp deleted file mode 100644 index 93034b5dc..000000000 --- a/host/lib/usrp/usrp_e100/dsp_impl.cpp +++ /dev/null @@ -1,190 +0,0 @@ -// -// Copyright 2010-2011 Ettus Research LLC -// -// This program 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 of the License, or -// (at your option) any later version. -// -// This program 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 this program. If not, see <http://www.gnu.org/licenses/>. -// - -#include "usrp_e100_impl.hpp" -#include "usrp_e100_regs.hpp" -#include <uhd/usrp/dsp_utils.hpp> -#include <uhd/usrp/dsp_props.hpp> -#include <boost/math/special_functions/round.hpp> -#include <boost/bind.hpp> - -#define rint boost::math::iround - -using namespace uhd; -using namespace uhd::usrp; - -/*********************************************************************** - * RX DDC Initialization - **********************************************************************/ -void usrp_e100_impl::rx_ddc_init(void){ - _rx_ddc_proxy = wax_obj_proxy::make( - boost::bind(&usrp_e100_impl::rx_ddc_get, this, _1, _2), - boost::bind(&usrp_e100_impl::rx_ddc_set, this, _1, _2) - ); - - //initial config and update - rx_ddc_set(DSP_PROP_FREQ_SHIFT, double(0)); - rx_ddc_set(DSP_PROP_HOST_RATE, double(16e6)); -} - -/*********************************************************************** - * RX DDC Get - **********************************************************************/ -void usrp_e100_impl::rx_ddc_get(const wax::obj &key_, wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - - switch(key.as<dsp_prop_t>()){ - case DSP_PROP_NAME: - val = std::string("usrp-e ddc0"); - return; - - case DSP_PROP_OTHERS: - val = prop_names_t(); //empty - return; - - case DSP_PROP_FREQ_SHIFT: - val = _ddc_freq; - return; - - case DSP_PROP_CODEC_RATE: - val = _clock_ctrl->get_fpga_clock_rate(); - return; - - case DSP_PROP_HOST_RATE: - val = _clock_ctrl->get_fpga_clock_rate()/_ddc_decim; - return; - - default: UHD_THROW_PROP_GET_ERROR(); - } -} - -/*********************************************************************** - * RX DDC Set - **********************************************************************/ -void usrp_e100_impl::rx_ddc_set(const wax::obj &key_, const wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - - switch(key.as<dsp_prop_t>()){ - - case DSP_PROP_STREAM_CMD: - issue_stream_cmd(val.as<stream_cmd_t>()); - return; - - case DSP_PROP_FREQ_SHIFT:{ - double new_freq = val.as<double>(); - _iface->poke32(UE_REG_DSP_RX_FREQ, - dsp_type1::calc_cordic_word_and_update(new_freq, _clock_ctrl->get_fpga_clock_rate()) - ); - _ddc_freq = new_freq; //shadow - } - return; - - case DSP_PROP_HOST_RATE:{ - //set the decimation - _ddc_decim = rint(_clock_ctrl->get_fpga_clock_rate()/val.as<double>()); - _iface->poke32(UE_REG_DSP_RX_DECIM_RATE, dsp_type1::calc_cic_filter_word(_ddc_decim)); - - //set the scaling - static const boost::int16_t default_rx_scale_iq = 1024; - _iface->poke32(UE_REG_DSP_RX_SCALE_IQ, - dsp_type1::calc_iq_scale_word(default_rx_scale_iq, default_rx_scale_iq) - ); - } - this->update_xport_channel_mapping(); //rate changed -> update - return; - - default: UHD_THROW_PROP_SET_ERROR(); - } -} - -/*********************************************************************** - * TX DUC Initialization - **********************************************************************/ -void usrp_e100_impl::tx_duc_init(void){ - _tx_duc_proxy = wax_obj_proxy::make( - boost::bind(&usrp_e100_impl::tx_duc_get, this, _1, _2), - boost::bind(&usrp_e100_impl::tx_duc_set, this, _1, _2) - ); - - //initial config and update - tx_duc_set(DSP_PROP_FREQ_SHIFT, double(0)); - tx_duc_set(DSP_PROP_HOST_RATE, double(16e6)); -} - -/*********************************************************************** - * TX DUC Get - **********************************************************************/ -void usrp_e100_impl::tx_duc_get(const wax::obj &key_, wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - - switch(key.as<dsp_prop_t>()){ - case DSP_PROP_NAME: - val = std::string("usrp-e duc0"); - return; - - case DSP_PROP_OTHERS: - val = prop_names_t(); //empty - return; - - case DSP_PROP_FREQ_SHIFT: - val = _duc_freq; - return; - - case DSP_PROP_CODEC_RATE: - val = _clock_ctrl->get_fpga_clock_rate(); - return; - - case DSP_PROP_HOST_RATE: - val = _clock_ctrl->get_fpga_clock_rate()/_duc_interp; - return; - - default: UHD_THROW_PROP_GET_ERROR(); - } -} - -/*********************************************************************** - * TX DUC Set - **********************************************************************/ -void usrp_e100_impl::tx_duc_set(const wax::obj &key_, const wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - - switch(key.as<dsp_prop_t>()){ - - case DSP_PROP_FREQ_SHIFT:{ - double new_freq = val.as<double>(); - _iface->poke32(UE_REG_DSP_TX_FREQ, - dsp_type1::calc_cordic_word_and_update(new_freq, _clock_ctrl->get_fpga_clock_rate()) - ); - _duc_freq = new_freq; //shadow - } - return; - - case DSP_PROP_HOST_RATE:{ - _duc_interp = rint(_clock_ctrl->get_fpga_clock_rate()/val.as<double>()); - - //set the interpolation - _iface->poke32(UE_REG_DSP_TX_INTERP_RATE, dsp_type1::calc_cic_filter_word(_duc_interp)); - - //set the scaling - _iface->poke32(UE_REG_DSP_TX_SCALE_IQ, dsp_type1::calc_iq_scale_word(_duc_interp)); - } - this->update_xport_channel_mapping(); //rate changed -> update - return; - - default: UHD_THROW_PROP_SET_ERROR(); - } -} |