diff options
Diffstat (limited to 'host/lib/usrp/dboard_manager.cpp')
| -rw-r--r-- | host/lib/usrp/dboard_manager.cpp | 320 |
1 files changed, 320 insertions, 0 deletions
diff --git a/host/lib/usrp/dboard_manager.cpp b/host/lib/usrp/dboard_manager.cpp new file mode 100644 index 000000000..ab80875f5 --- /dev/null +++ b/host/lib/usrp/dboard_manager.cpp @@ -0,0 +1,320 @@ +// +// 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 "dboard_ctor_args.hpp" +#include <uhd/usrp/dboard_manager.hpp> +#include <uhd/usrp/subdev_props.hpp> +#include <uhd/utils/static.hpp> +#include <uhd/utils/assert.hpp> +#include <uhd/types/dict.hpp> +#include <boost/tuple/tuple.hpp> +#include <boost/format.hpp> +#include <boost/bind.hpp> +#include <boost/foreach.hpp> +#include <boost/assign/list_of.hpp> +#include <iostream> + +using namespace uhd; +using namespace uhd::usrp; + +/*********************************************************************** + * storage and registering for dboards + **********************************************************************/ +//dboard registry tuple: dboard constructor, canonical name, subdev names +typedef boost::tuple<dboard_manager::dboard_ctor_t, std::string, prop_names_t> args_t; + +//map a dboard id to a dboard constructor +typedef uhd::dict<dboard_id_t, args_t> id_to_args_map_t; +UHD_SINGLETON_FCN(id_to_args_map_t, get_id_to_args_map) + +void dboard_manager::register_dboard( + const dboard_id_t &dboard_id, + dboard_ctor_t dboard_ctor, + const std::string &name, + const prop_names_t &subdev_names +){ + //std::cout << "registering: " << name << std::endl; + if (get_id_to_args_map().has_key(dboard_id)){ + throw std::runtime_error(str(boost::format( + "The dboard id %s is already registered to %s." + ) % dboard_id.to_string() % dboard_id.to_pp_string())); + } + get_id_to_args_map()[dboard_id] = args_t(dboard_ctor, name, subdev_names); +} + +//map an xcvr dboard id to its partner dboard id +typedef uhd::dict<dboard_id_t, dboard_id_t> xcvr_id_to_id_map_t; +UHD_SINGLETON_FCN(xcvr_id_to_id_map_t, get_xcvr_id_to_id_map) + +void dboard_manager::register_dboard( + const dboard_id_t &rx_dboard_id, + const dboard_id_t &tx_dboard_id, + dboard_ctor_t dboard_ctor, + const std::string &name, + const prop_names_t &subdev_names +){ + //regular registration for ids + register_dboard(rx_dboard_id, dboard_ctor, name + " RX", subdev_names); + register_dboard(tx_dboard_id, dboard_ctor, name + " TX", subdev_names); + + //register xcvr mapping for ids + get_xcvr_id_to_id_map()[rx_dboard_id] = tx_dboard_id; + get_xcvr_id_to_id_map()[tx_dboard_id] = rx_dboard_id; +} + +std::string dboard_id_t::to_pp_string(void) const{ + std::string name = "unknown"; + if (get_id_to_args_map().has_key(*this)){ + name = get_id_to_args_map()[*this].get<1>(); + } + return str(boost::format("%s (%s)") % name % this->to_string()); +} + +/*********************************************************************** + * internal helper classe + **********************************************************************/ +/*! + * A special wax proxy object that forwards calls to a subdev. + * A sptr to an instance will be used in the properties structure. + */ +class subdev_proxy : boost::noncopyable, public wax::obj{ +public: + typedef boost::shared_ptr<subdev_proxy> sptr; + enum type_t{RX_TYPE, TX_TYPE}; + + //structors + subdev_proxy(dboard_base::sptr subdev, type_t type): + _subdev(subdev), _type(type) + { + /* NOP */ + } + +private: + dboard_base::sptr _subdev; + type_t _type; + + //forward the get calls to the rx or tx + void get(const wax::obj &key, wax::obj &val){ + switch(_type){ + case RX_TYPE: return _subdev->rx_get(key, val); + case TX_TYPE: return _subdev->tx_get(key, val); + } + } + + //forward the set calls to the rx or tx + void set(const wax::obj &key, const wax::obj &val){ + switch(_type){ + case RX_TYPE: return _subdev->rx_set(key, val); + case TX_TYPE: return _subdev->tx_set(key, val); + } + } +}; + +/*********************************************************************** + * dboard manager implementation class + **********************************************************************/ +class dboard_manager_impl : public dboard_manager{ + +public: + dboard_manager_impl( + dboard_id_t rx_dboard_id, + dboard_id_t tx_dboard_id, + dboard_iface::sptr iface + ); + ~dboard_manager_impl(void); + + //dboard_iface + prop_names_t get_rx_subdev_names(void); + prop_names_t get_tx_subdev_names(void); + wax::obj get_rx_subdev(const std::string &subdev_name); + wax::obj get_tx_subdev(const std::string &subdev_name); + +private: + //list of rx and tx dboards in this dboard_manager + //each dboard here is actually a subdevice proxy + //the subdevice proxy is internal to the cpp file + uhd::dict<std::string, subdev_proxy::sptr> _rx_dboards; + uhd::dict<std::string, subdev_proxy::sptr> _tx_dboards; + dboard_iface::sptr _iface; + void set_nice_dboard_if(void); +}; + +/*********************************************************************** + * make routine for dboard manager + **********************************************************************/ +dboard_manager::sptr dboard_manager::make( + dboard_id_t rx_dboard_id, + dboard_id_t tx_dboard_id, + dboard_iface::sptr iface +){ + return dboard_manager::sptr( + new dboard_manager_impl(rx_dboard_id, tx_dboard_id, iface) + ); +} + +/*********************************************************************** + * implementation class methods + **********************************************************************/ +static args_t get_dboard_args( + dboard_iface::unit_t unit, + dboard_id_t dboard_id, + bool force_to_unknown = false +){ + //special case, the none id was provided, use the following ids + if (dboard_id == dboard_id_t::none() or force_to_unknown){ + std::cerr << boost::format( + "Warning: unknown dboard-id or dboard-id combination: %s\n" + " -> defaulting to the unknown board type" + ) % dboard_id.to_pp_string() << std::endl; + UHD_ASSERT_THROW(get_id_to_args_map().has_key(0xfff1)); + UHD_ASSERT_THROW(get_id_to_args_map().has_key(0xfff0)); + switch(unit){ + case dboard_iface::UNIT_RX: return get_dboard_args(unit, 0xfff1); + case dboard_iface::UNIT_TX: return get_dboard_args(unit, 0xfff0); + default: UHD_THROW_INVALID_CODE_PATH(); + } + } + + //verify that there is a registered constructor for this id + if (not get_id_to_args_map().has_key(dboard_id)){ + return get_dboard_args(unit, dboard_id, true); + } + + //return the dboard args for this id + return get_id_to_args_map()[dboard_id]; +} + +dboard_manager_impl::dboard_manager_impl( + dboard_id_t rx_dboard_id, + dboard_id_t tx_dboard_id, + dboard_iface::sptr iface +){ + _iface = iface; + + //determine xcvr status + bool rx_dboard_is_xcvr = get_xcvr_id_to_id_map().has_key(rx_dboard_id); + bool tx_dboard_is_xcvr = get_xcvr_id_to_id_map().has_key(tx_dboard_id); + bool this_dboard_is_xcvr = ( + rx_dboard_is_xcvr and tx_dboard_is_xcvr and + (get_xcvr_id_to_id_map()[rx_dboard_id] == tx_dboard_id) and + (get_xcvr_id_to_id_map()[tx_dboard_id] == rx_dboard_id) + ); + + //extract dboard constructor and settings (force to unknown for messed up xcvr status) + dboard_ctor_t rx_dboard_ctor; std::string rx_name; prop_names_t rx_subdevs; + boost::tie(rx_dboard_ctor, rx_name, rx_subdevs) = get_dboard_args(dboard_iface::UNIT_RX, rx_dboard_id, rx_dboard_is_xcvr != this_dboard_is_xcvr); + + dboard_ctor_t tx_dboard_ctor; std::string tx_name; prop_names_t tx_subdevs; + boost::tie(tx_dboard_ctor, tx_name, tx_subdevs) = get_dboard_args(dboard_iface::UNIT_TX, tx_dboard_id, tx_dboard_is_xcvr != this_dboard_is_xcvr); + + //initialize the gpio pins before creating subdevs + set_nice_dboard_if(); + + //dboard constructor args + dboard_ctor_args_t db_ctor_args; + db_ctor_args.db_iface = iface; + + //make xcvr subdevs (make one subdev for both rx and tx dboards) + if (this_dboard_is_xcvr){ + UHD_ASSERT_THROW(rx_dboard_ctor == tx_dboard_ctor); + UHD_ASSERT_THROW(rx_subdevs == tx_subdevs); + BOOST_FOREACH(const std::string &subdev, rx_subdevs){ + db_ctor_args.sd_name = subdev; + db_ctor_args.rx_id = rx_dboard_id; + db_ctor_args.tx_id = tx_dboard_id; + dboard_base::sptr xcvr_dboard = rx_dboard_ctor(&db_ctor_args); + //create a rx proxy for this xcvr board + _rx_dboards[subdev] = subdev_proxy::sptr( + new subdev_proxy(xcvr_dboard, subdev_proxy::RX_TYPE) + ); + //create a tx proxy for this xcvr board + _tx_dboards[subdev] = subdev_proxy::sptr( + new subdev_proxy(xcvr_dboard, subdev_proxy::TX_TYPE) + ); + } + } + + //make tx and rx subdevs (separate subdevs for rx and tx dboards) + else{ + //make the rx subdevs + BOOST_FOREACH(const std::string &subdev, rx_subdevs){ + db_ctor_args.sd_name = subdev; + db_ctor_args.rx_id = rx_dboard_id; + db_ctor_args.tx_id = dboard_id_t::none(); + dboard_base::sptr rx_dboard = rx_dboard_ctor(&db_ctor_args); + //create a rx proxy for this rx board + _rx_dboards[subdev] = subdev_proxy::sptr( + new subdev_proxy(rx_dboard, subdev_proxy::RX_TYPE) + ); + } + //make the tx subdevs + BOOST_FOREACH(const std::string &subdev, tx_subdevs){ + db_ctor_args.sd_name = subdev; + db_ctor_args.rx_id = dboard_id_t::none(); + db_ctor_args.tx_id = tx_dboard_id; + dboard_base::sptr tx_dboard = tx_dboard_ctor(&db_ctor_args); + //create a tx proxy for this tx board + _tx_dboards[subdev] = subdev_proxy::sptr( + new subdev_proxy(tx_dboard, subdev_proxy::TX_TYPE) + ); + } + } +} + +dboard_manager_impl::~dboard_manager_impl(void){ + set_nice_dboard_if(); +} + +prop_names_t dboard_manager_impl::get_rx_subdev_names(void){ + return _rx_dboards.keys(); +} + +prop_names_t dboard_manager_impl::get_tx_subdev_names(void){ + return _tx_dboards.keys(); +} + +wax::obj dboard_manager_impl::get_rx_subdev(const std::string &subdev_name){ + if (not _rx_dboards.has_key(subdev_name)) throw std::invalid_argument( + str(boost::format("Unknown rx subdev name %s") % subdev_name) + ); + //get a link to the rx subdev proxy + return _rx_dboards[subdev_name]->get_link(); +} + +wax::obj dboard_manager_impl::get_tx_subdev(const std::string &subdev_name){ + if (not _tx_dboards.has_key(subdev_name)) throw std::invalid_argument( + str(boost::format("Unknown tx subdev name %s") % subdev_name) + ); + //get a link to the tx subdev proxy + return _tx_dboards[subdev_name]->get_link(); +} + +void dboard_manager_impl::set_nice_dboard_if(void){ + //make a list of possible unit types + std::vector<dboard_iface::unit_t> units = boost::assign::list_of + (dboard_iface::UNIT_RX) + (dboard_iface::UNIT_TX) + ; + + //set nice settings on each unit + BOOST_FOREACH(dboard_iface::unit_t unit, units){ + _iface->set_gpio_ddr(unit, 0x0000); //all inputs + _iface->write_gpio(unit, 0x0000); //all low + _iface->set_pin_ctrl(unit, 0x0000); //all gpio + _iface->set_clock_enabled(unit, false); //clock off + } +} |