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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 <uhd/usrp/dboard/manager.hpp>
#include <boost/format.hpp>
#include <boost/bind.hpp>
#include <uhd/utils.hpp>
#include <iostream>
#include "usrp2_impl.hpp"
using namespace uhd;
/***********************************************************************
* Structors
**********************************************************************/
usrp2_impl::usrp2_impl(
uhd::transport::udp::sptr ctrl_transport,
uhd::transport::udp::sptr data_transport
){
_ctrl_transport = ctrl_transport;
_data_transport = data_transport;
//load the allowed decim/interp rates
//_USRP2_RATES = range(4, 128+1, 1) + range(130, 256+1, 2) + range(260, 512+1, 4)
_allowed_decim_and_interp_rates.clear();
for (size_t i = 4; i <= 128; i+=1){
_allowed_decim_and_interp_rates.push_back(i);
}
for (size_t i = 130; i <= 256; i+=2){
_allowed_decim_and_interp_rates.push_back(i);
}
for (size_t i = 260; i <= 512; i+=4){
_allowed_decim_and_interp_rates.push_back(i);
}
//init the tx and rx dboards
dboard_init();
//init the ddc
init_ddc_config();
//init the duc
init_duc_config();
//initialize the clock configuration
init_clock_config();
}
usrp2_impl::~usrp2_impl(void){
/* NOP */
}
/***********************************************************************
* Misc Access Methods
**********************************************************************/
double usrp2_impl::get_master_clock_freq(void){
return 100e6;
}
/***********************************************************************
* Control Send/Recv
**********************************************************************/
usrp2_ctrl_data_t usrp2_impl::ctrl_send_and_recv(const usrp2_ctrl_data_t &out_data){
boost::mutex::scoped_lock lock(_ctrl_mutex);
//fill in the seq number and send
usrp2_ctrl_data_t out_copy = out_data;
out_copy.seq = htonl(++_ctrl_seq_num);
_ctrl_transport->send(boost::asio::buffer(&out_copy, sizeof(usrp2_ctrl_data_t)));
//loop and recieve until the time is up
size_t num_timeouts = 0;
while(true){
uhd::shared_iovec iov = _ctrl_transport->recv();
if (iov.len < sizeof(usrp2_ctrl_data_t)){
//sleep a little so we dont burn cpu
if (num_timeouts++ > 50) break;
boost::this_thread::sleep(boost::posix_time::milliseconds(1));
}else{
//handle the received data
usrp2_ctrl_data_t in_data = *reinterpret_cast<const usrp2_ctrl_data_t *>(iov.base);
if (ntohl(in_data.seq) == _ctrl_seq_num){
return in_data;
}
//didnt get seq, continue on...
}
}
throw std::runtime_error("usrp2 no control response");
}
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