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//
// Copyright 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 "validate_subdev_spec.hpp"
#include <uhd/exception.hpp>
#include <uhd/utils/assert_has.hpp>
#include <boost/foreach.hpp>
#include <boost/format.hpp>
using namespace uhd;
using namespace uhd::usrp;
namespace uhd{ namespace usrp{
static std::ostream& operator<< (std::ostream &out, const subdev_spec_pair_t &pair){
out << pair.db_name << ":" << pair.sd_name;
return out;
}
}}
void uhd::usrp::validate_subdev_spec(
property_tree::sptr tree,
const subdev_spec_t &spec,
const std::string &type,
const std::string &mb
){
const size_t num_dsps = tree->list(str(boost::format("/mboards/%s/%s_dsps") % mb % type)).size();
//sanity checking on the length
if (spec.size() == 0) throw uhd::value_error(str(boost::format(
"Empty %s subdevice specification is not supported.\n"
) % type));
if (spec.size() > num_dsps) throw uhd::value_error(str(boost::format(
"The subdevice specification \"%s\" is too long.\n"
"The user specified %u channels, but there are only %u %s dsps on mboard %s.\n"
) % spec.to_string() % spec.size() % num_dsps % type % mb));
//make a list of all possible specs
subdev_spec_t all_specs;
BOOST_FOREACH(const std::string &db, tree->list(str(boost::format("/mboards/%s/dboards") % mb))){
BOOST_FOREACH(const std::string &sd, tree->list(str(boost::format("/mboards/%s/dboards/%s/%s_frontends") % mb % db % type))){
all_specs.push_back(subdev_spec_pair_t(db, sd));
}
}
//validate that the spec is possible
BOOST_FOREACH(const subdev_spec_pair_t &pair, spec){
uhd::assert_has(all_specs, pair, str(boost::format("%s subdevice specification on mboard %s") % type % mb));
}
//enable selected frontends, disable others
BOOST_FOREACH(const subdev_spec_pair_t &pair, all_specs){
const bool enb = uhd::has(spec, pair);
tree->access<bool>(str(boost::format(
"/mboards/%s/dboards/%s/%s_frontends/%s/enabled"
) % mb % pair.db_name % type % pair.sd_name)).set(enb);
}
}
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