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-rw-r--r--host/lib/usrp/usrp2/usrp2_impl.cpp102
1 files changed, 102 insertions, 0 deletions
diff --git a/host/lib/usrp/usrp2/usrp2_impl.cpp b/host/lib/usrp/usrp2/usrp2_impl.cpp
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+++ b/host/lib/usrp/usrp2/usrp2_impl.cpp
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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 <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");
+}