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231 lines
8.3 KiB
C++
231 lines
8.3 KiB
C++
//
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// Copyright 2010 Ettus Research LLC
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//
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// This program 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 version 3 of the License, or
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// (at your option) any later version.
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//
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// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <uhd/usrp/dboard_manager.hpp>
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#include <uhd/utils.hpp>
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#include <boost/assign/list_of.hpp>
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#include <boost/tuple/tuple.hpp>
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#include <boost/format.hpp>
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#include <boost/foreach.hpp>
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#include "dboard/dboards.hpp"
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using namespace uhd;
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using namespace uhd::usrp;
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using namespace boost::assign;
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/***********************************************************************
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* register internal dboards
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*
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* Register internal/known dboards located in this build tree.
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* Each board should have entries below mapping an id to a constructor.
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* The xcvr type boards should register both rx and tx sides.
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*
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* This function will be called before new boards are registered.
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* This allows for internal boards to be externally overridden.
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* This function will also be called when creating a new dboard_manager
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* to ensure that the maps are filled with the entries below.
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**********************************************************************/
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static void register_internal_dboards(void){
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//ensure that this function can only be called once per instance
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static bool called = false;
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if (called) return; called = true;
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//register the known dboards (dboard id, constructor, subdev names)
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dboard_manager::register_subdevs(ID_BASIC_TX, &basic_tx::make, list_of(""));
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dboard_manager::register_subdevs(ID_BASIC_RX, &basic_rx::make, list_of("a")("b")("ab"));
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}
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/***********************************************************************
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* storage and registering for dboards
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**********************************************************************/
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typedef boost::tuple<dboard_manager::dboard_ctor_t, prop_names_t> args_t;
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//map a dboard id to a dboard constructor
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static uhd::dict<dboard_id_t, args_t> id_to_args_map;
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void dboard_manager::register_subdevs(
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dboard_id_t dboard_id,
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dboard_ctor_t dboard_ctor,
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const prop_names_t &subdev_names
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){
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register_internal_dboards(); //always call first
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id_to_args_map[dboard_id] = args_t(dboard_ctor, subdev_names);
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}
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/***********************************************************************
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* internal helper classes
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**********************************************************************/
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/*!
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* A special wax proxy object that forwards calls to a subdev.
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* A sptr to an instance will be used in the properties structure.
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*/
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class subdev_proxy : boost::noncopyable, public wax::obj{
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public:
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typedef boost::shared_ptr<subdev_proxy> sptr;
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enum type_t{RX_TYPE, TX_TYPE};
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//structors
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subdev_proxy(dboard_base::sptr subdev, type_t type)
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: _subdev(subdev), _type(type){
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/* NOP */
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}
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~subdev_proxy(void){
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/* NOP */
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}
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private:
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dboard_base::sptr _subdev;
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type_t _type;
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//forward the get calls to the rx or tx
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void get(const wax::obj &key, wax::obj &val){
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switch(_type){
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case RX_TYPE: return _subdev->rx_get(key, val);
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case TX_TYPE: return _subdev->tx_get(key, val);
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}
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}
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//forward the set calls to the rx or tx
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void set(const wax::obj &key, const wax::obj &val){
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switch(_type){
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case RX_TYPE: return _subdev->rx_set(key, val);
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case TX_TYPE: return _subdev->tx_set(key, val);
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}
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}
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};
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/***********************************************************************
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* dboard dboard_manager methods
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**********************************************************************/
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static args_t get_dboard_args(
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dboard_id_t dboard_id,
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std::string const& xx_type
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){
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//special case, its rx and the none id (0xffff)
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if (xx_type == "rx" and dboard_id == ID_NONE){
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return args_t(&basic_rx::make, list_of("ab"));
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}
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//special case, its tx and the none id (0xffff)
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if (xx_type == "tx" and dboard_id == ID_NONE){
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return args_t(&basic_tx::make, list_of(""));
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}
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//verify that there is a registered constructor for this id
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if (not id_to_args_map.has_key(dboard_id)){
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throw std::runtime_error(str(
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boost::format("Unknown %s dboard id: 0x%04x") % xx_type % dboard_id
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));
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}
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//return the dboard args for this id
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return id_to_args_map[dboard_id];
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}
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dboard_manager::dboard_manager(
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dboard_id_t rx_dboard_id,
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dboard_id_t tx_dboard_id,
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dboard_interface::sptr interface
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){
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register_internal_dboards(); //always call first
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dboard_ctor_t rx_dboard_ctor; prop_names_t rx_subdevs;
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boost::tie(rx_dboard_ctor, rx_subdevs) = get_dboard_args(rx_dboard_id, "rx");
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dboard_ctor_t tx_dboard_ctor; prop_names_t tx_subdevs;
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boost::tie(tx_dboard_ctor, tx_subdevs) = get_dboard_args(tx_dboard_id, "tx");
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//initialize the gpio pins before creating subdevs
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interface->set_gpio_ddr(dboard_interface::GPIO_RX_BANK, 0x0000, 0xffff); //all inputs
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interface->set_gpio_ddr(dboard_interface::GPIO_TX_BANK, 0x0000, 0xffff);
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interface->write_gpio(dboard_interface::GPIO_RX_BANK, 0x0000, 0xffff); //all zeros
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interface->write_gpio(dboard_interface::GPIO_TX_BANK, 0x0000, 0xffff);
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interface->set_atr_reg(dboard_interface::GPIO_RX_BANK, 0x0000, 0x0000, 0x0000); //software controlled
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interface->set_atr_reg(dboard_interface::GPIO_TX_BANK, 0x0000, 0x0000, 0x0000);
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//make xcvr subdevs (make one subdev for both rx and tx dboards)
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if (rx_dboard_ctor == tx_dboard_ctor){
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ASSERT_THROW(rx_subdevs == tx_subdevs);
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BOOST_FOREACH(std::string name, rx_subdevs){
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dboard_base::sptr xcvr_dboard = rx_dboard_ctor(
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dboard_base::ctor_args_t(name, interface, rx_dboard_id, tx_dboard_id)
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);
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//create a rx proxy for this xcvr board
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_rx_dboards[name] = subdev_proxy::sptr(
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new subdev_proxy(xcvr_dboard, subdev_proxy::RX_TYPE)
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);
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//create a tx proxy for this xcvr board
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_tx_dboards[name] = subdev_proxy::sptr(
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new subdev_proxy(xcvr_dboard, subdev_proxy::TX_TYPE)
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);
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}
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}
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//make tx and rx subdevs (separate subdevs for rx and tx dboards)
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else{
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//make the rx subdevs
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BOOST_FOREACH(std::string name, rx_subdevs){
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dboard_base::sptr rx_dboard = rx_dboard_ctor(
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dboard_base::ctor_args_t(name, interface, rx_dboard_id, ID_NONE)
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);
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//create a rx proxy for this rx board
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_rx_dboards[name] = subdev_proxy::sptr(
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new subdev_proxy(rx_dboard, subdev_proxy::RX_TYPE)
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);
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}
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//make the tx subdevs
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BOOST_FOREACH(std::string name, tx_subdevs){
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dboard_base::sptr tx_dboard = tx_dboard_ctor(
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dboard_base::ctor_args_t(name, interface, ID_NONE, tx_dboard_id)
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);
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//create a tx proxy for this tx board
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_tx_dboards[name] = subdev_proxy::sptr(
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new subdev_proxy(tx_dboard, subdev_proxy::TX_TYPE)
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);
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}
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}
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}
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dboard_manager::~dboard_manager(void){
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/* NOP */
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}
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prop_names_t dboard_manager::get_rx_subdev_names(void){
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return _rx_dboards.get_keys();
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}
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prop_names_t dboard_manager::get_tx_subdev_names(void){
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return _tx_dboards.get_keys();
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}
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wax::obj dboard_manager::get_rx_subdev(const std::string &subdev_name){
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if (not _rx_dboards.has_key(subdev_name)) throw std::invalid_argument(
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str(boost::format("Unknown rx subdev name %s") % subdev_name)
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);
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//get a link to the rx subdev proxy
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return wax::cast<subdev_proxy::sptr>(_rx_dboards[subdev_name])->get_link();
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}
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wax::obj dboard_manager::get_tx_subdev(const std::string &subdev_name){
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if (not _tx_dboards.has_key(subdev_name)) throw std::invalid_argument(
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str(boost::format("Unknown tx subdev name %s") % subdev_name)
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);
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//get a link to the tx subdev proxy
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return wax::cast<subdev_proxy::sptr>(_tx_dboards[subdev_name])->get_link();
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}
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