diff options
Diffstat (limited to 'host/lib/usrp/usrp2/dboard_impl.cpp')
-rw-r--r-- | host/lib/usrp/usrp2/dboard_impl.cpp | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp2/dboard_impl.cpp b/host/lib/usrp/usrp2/dboard_impl.cpp new file mode 100644 index 000000000..fe74219d6 --- /dev/null +++ b/host/lib/usrp/usrp2/dboard_impl.cpp @@ -0,0 +1,181 @@ +// +// Copyright 2010 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 "usrp2_impl.hpp" +#include "usrp2_regs.hpp" +#include <uhd/usrp/subdev_props.hpp> +#include <uhd/usrp/dboard_props.hpp> +#include <uhd/utils/assert.hpp> +#include <boost/format.hpp> +#include <boost/bind.hpp> +#include <boost/asio.hpp> //htonl and ntohl +#include <iostream> + +using namespace uhd; +using namespace uhd::usrp; + +/*********************************************************************** + * Helper Methods + **********************************************************************/ +void usrp2_impl::dboard_init(void){ + //grab the dboard ids over the control line + usrp2_ctrl_data_t out_data; + out_data.id = htonl(USRP2_CTRL_ID_GIVE_ME_YOUR_DBOARD_IDS_BRO); + usrp2_ctrl_data_t in_data = _iface->ctrl_send_and_recv(out_data); + ASSERT_THROW(htonl(in_data.id) == USRP2_CTRL_ID_THESE_ARE_MY_DBOARD_IDS_DUDE); + + //extract the dboard ids an convert them + dboard_id_t rx_dboard_id = ntohs(in_data.data.dboard_ids.rx_id); + dboard_id_t tx_dboard_id = ntohs(in_data.data.dboard_ids.tx_id); + + //create a new dboard interface and manager + dboard_iface::sptr _dboard_iface( + make_usrp2_dboard_iface(_iface, _clk_ctrl) + ); + _dboard_manager = dboard_manager::make( + rx_dboard_id, tx_dboard_id, _dboard_iface + ); + + //load dboards + _rx_dboard_proxy = wax_obj_proxy::make( + boost::bind(&usrp2_impl::rx_dboard_get, this, _1, _2), + boost::bind(&usrp2_impl::rx_dboard_set, this, _1, _2) + ); + _tx_dboard_proxy = wax_obj_proxy::make( + boost::bind(&usrp2_impl::tx_dboard_get, this, _1, _2), + boost::bind(&usrp2_impl::tx_dboard_set, this, _1, _2) + ); + + //init the subdevs in use (use the first subdevice) + _rx_subdevs_in_use = prop_names_t(1, _dboard_manager->get_rx_subdev_names().at(0)); + update_rx_mux_config(); + + _tx_subdevs_in_use = prop_names_t(1, _dboard_manager->get_tx_subdev_names().at(0)); + update_tx_mux_config(); +} + +void usrp2_impl::update_rx_mux_config(void){ + //calculate the rx mux + boost::uint32_t rx_mux = 0; + ASSERT_THROW(_rx_subdevs_in_use.size() == 1); + wax::obj rx_subdev = _dboard_manager->get_rx_subdev(_rx_subdevs_in_use.at(0)); + std::cout << "Using: " << rx_subdev[SUBDEV_PROP_NAME].as<std::string>() << std::endl; + if (rx_subdev[SUBDEV_PROP_QUADRATURE].as<bool>()){ + rx_mux = (0x01 << 2) | (0x00 << 0); //Q=ADC1, I=ADC0 + }else{ + rx_mux = 0x00; //ADC0 + } + if (rx_subdev[SUBDEV_PROP_IQ_SWAPPED].as<bool>()){ + rx_mux = (((rx_mux >> 0) & 0x3) << 2) | (((rx_mux >> 2) & 0x3) << 0); + } + + _iface->poke32(FR_DSP_RX_MUX, rx_mux); +} + +void usrp2_impl::update_tx_mux_config(void){ + //calculate the tx mux + boost::uint32_t tx_mux = 0x10; + ASSERT_THROW(_tx_subdevs_in_use.size() == 1); + wax::obj tx_subdev = _dboard_manager->get_tx_subdev(_tx_subdevs_in_use.at(0)); + std::cout << "Using: " << tx_subdev[SUBDEV_PROP_NAME].as<std::string>() << std::endl; + if (tx_subdev[SUBDEV_PROP_IQ_SWAPPED].as<bool>()){ + tx_mux = (((tx_mux >> 0) & 0x1) << 1) | (((tx_mux >> 1) & 0x1) << 0); + } + + _iface->poke32(FR_DSP_TX_MUX, tx_mux); +} + +/*********************************************************************** + * RX DBoard Properties + **********************************************************************/ +void usrp2_impl::rx_dboard_get(const wax::obj &key_, wax::obj &val){ + wax::obj key; std::string name; + boost::tie(key, name) = extract_named_prop(key_); + + //handle the get request conditioned on the key + switch(key.as<dboard_prop_t>()){ + case DBOARD_PROP_NAME: + val = std::string("usrp2 dboard (rx unit)"); + return; + + case DBOARD_PROP_SUBDEV: + val = _dboard_manager->get_rx_subdev(name); + return; + + case DBOARD_PROP_SUBDEV_NAMES: + val = _dboard_manager->get_rx_subdev_names(); + return; + + case DBOARD_PROP_USED_SUBDEVS: + val = _rx_subdevs_in_use; + return; + + //case DBOARD_PROP_CODEC: + // throw std::runtime_error("unhandled prop in usrp2 dboard"); + } +} + +void usrp2_impl::rx_dboard_set(const wax::obj &key, const wax::obj &val){ + if (key.as<dboard_prop_t>() == DBOARD_PROP_USED_SUBDEVS){ + _rx_subdevs_in_use = val.as<prop_names_t>(); + update_rx_mux_config(); //if the val is bad, this will throw + return; + } + + throw std::runtime_error("Cannot set on usrp2 dboard"); +} + +/*********************************************************************** + * TX DBoard Properties + **********************************************************************/ +void usrp2_impl::tx_dboard_get(const wax::obj &key_, wax::obj &val){ + wax::obj key; std::string name; + boost::tie(key, name) = extract_named_prop(key_); + + //handle the get request conditioned on the key + switch(key.as<dboard_prop_t>()){ + case DBOARD_PROP_NAME: + val = std::string("usrp2 dboard (tx unit)"); + return; + + case DBOARD_PROP_SUBDEV: + val = _dboard_manager->get_tx_subdev(name); + return; + + case DBOARD_PROP_SUBDEV_NAMES: + val = _dboard_manager->get_tx_subdev_names(); + return; + + case DBOARD_PROP_USED_SUBDEVS: + val = _tx_subdevs_in_use; + return; + + //case DBOARD_PROP_CODEC: + // throw std::runtime_error("unhandled prop in usrp2 dboard"); + } +} + +void usrp2_impl::tx_dboard_set(const wax::obj &key, const wax::obj &val){ + if (key.as<dboard_prop_t>() == DBOARD_PROP_USED_SUBDEVS){ + _tx_subdevs_in_use = val.as<prop_names_t>(); + update_tx_mux_config(); //if the val is bad, this will throw + return; + } + + throw std::runtime_error("Cannot set on usrp2 dboard"); +} |