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//
// Copyright 2011 Ettus Research LLC
//
// SPDX-License-Identifier: GPL-3.0
//
#include "validate_subdev_spec.hpp"
#include <uhd/exception.hpp>
#include <uhd/utils/assert_has.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;
for(const std::string &db: tree->list(str(boost::format("/mboards/%s/dboards") % mb))){
for(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
for(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
for(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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