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61 lines
2.1 KiB
C++
61 lines
2.1 KiB
C++
//
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// Copyright 2011 Ettus Research LLC
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//
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// SPDX-License-Identifier: GPL-3.0
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//
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#include "validate_subdev_spec.hpp"
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#include <uhd/exception.hpp>
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#include <uhd/utils/assert_has.hpp>
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#include <boost/format.hpp>
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using namespace uhd;
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using namespace uhd::usrp;
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namespace uhd{ namespace usrp{
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static std::ostream& operator<< (std::ostream &out, const subdev_spec_pair_t &pair){
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out << pair.db_name << ":" << pair.sd_name;
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return out;
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}
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}}
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void uhd::usrp::validate_subdev_spec(
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property_tree::sptr tree,
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const subdev_spec_t &spec,
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const std::string &type,
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const std::string &mb
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){
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const size_t num_dsps = tree->list(str(boost::format("/mboards/%s/%s_dsps") % mb % type)).size();
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//sanity checking on the length
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if (spec.size() == 0) throw uhd::value_error(str(boost::format(
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"Empty %s subdevice specification is not supported.\n"
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) % type));
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if (spec.size() > num_dsps) throw uhd::value_error(str(boost::format(
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"The subdevice specification \"%s\" is too long.\n"
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"The user specified %u channels, but there are only %u %s dsps on mboard %s.\n"
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) % spec.to_string() % spec.size() % num_dsps % type % mb));
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//make a list of all possible specs
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subdev_spec_t all_specs;
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for(const std::string &db: tree->list(str(boost::format("/mboards/%s/dboards") % mb))){
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for(const std::string &sd: tree->list(str(boost::format("/mboards/%s/dboards/%s/%s_frontends") % mb % db % type))){
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all_specs.push_back(subdev_spec_pair_t(db, sd));
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}
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}
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//validate that the spec is possible
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for(const subdev_spec_pair_t &pair: spec){
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uhd::assert_has(all_specs, pair, str(boost::format("%s subdevice specification on mboard %s") % type % mb));
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}
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//enable selected frontends, disable others
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for(const subdev_spec_pair_t &pair: all_specs){
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const bool enb = uhd::has(spec, pair);
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tree->access<bool>(str(boost::format(
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"/mboards/%s/dboards/%s/%s_frontends/%s/enabled"
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) % mb % pair.db_name % type % pair.sd_name)).set(enb);
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}
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}
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