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//
// 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 <unistd.h>
#include <boost/format.hpp>
#include "usrp1e_impl.hpp"
using namespace uhd;
using namespace uhd::usrp;
/***********************************************************************
* Helper Functions
**********************************************************************/
static bool file_exists(const std::string &file_path){
return access(file_path.c_str(), F_OK) == 0;
}
/***********************************************************************
* Discovery
**********************************************************************/
device_addrs_t usrp1e::discover(const device_addr_t &device_addr){
device_addrs_t usrp1e_addrs;
//if a node was provided, use it and only it
if (device_addr.has_key("node")){
if (not file_exists(device_addr["node"])) return usrp1e_addrs;
device_addr_t new_addr;
new_addr["name"] = "USRP1E";
new_addr["type"] = "usrp1e";
new_addr["node"] = device_addr["node"];
usrp1e_addrs.push_back(new_addr);
}
//otherwise look for a few nodes at small indexes
else{
for(size_t i = 0; i < 5; i++){
std::string node = str(boost::format("/dev/usrp1_e%d") % i);
if (not file_exists(node)) continue;
device_addr_t new_addr;
new_addr["name"] = "USRP1E";
new_addr["type"] = "usrp1e";
new_addr["node"] = node;
usrp1e_addrs.push_back(new_addr);
}
}
return usrp1e_addrs;
}
/***********************************************************************
* Make
**********************************************************************/
device::sptr usrp1e::make(const device_addr_t &){
throw std::runtime_error("not implemented yet");
}
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