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authorMatthias P. Braendli <matthias.braendli@mpb.li>2017-11-04 08:37:48 +0100
committerMatthias P. Braendli <matthias.braendli@mpb.li>2017-11-04 08:37:48 +0100
commit863c1eea672314d9a5834c740d151ef2b0130cf3 (patch)
treeef17e41c5a09e0f10d99662bdad574c1652fe7bd /src/OutputUHDFeedback.cpp
parent4d8310ae0ffe1f78a2b8623d55f63ae504ff1aa8 (diff)
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Remove OutputUHD files
Diffstat (limited to 'src/OutputUHDFeedback.cpp')
-rw-r--r--src/OutputUHDFeedback.cpp362
1 files changed, 0 insertions, 362 deletions
diff --git a/src/OutputUHDFeedback.cpp b/src/OutputUHDFeedback.cpp
deleted file mode 100644
index 68783f2..0000000
--- a/src/OutputUHDFeedback.cpp
+++ /dev/null
@@ -1,362 +0,0 @@
-/*
- Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Her Majesty the
- Queen in Right of Canada (Communications Research Center Canada)
-
- Copyright (C) 2017
- Matthias P. Braendli, matthias.braendli@mpb.li
-
- http://opendigitalradio.org
-
-DESCRIPTION:
- This presents a TCP socket to an external tool which calculates
- a Digital Predistortion model from a short sequence of transmit
- samples and corresponding receive samples.
-*/
-
-/*
- This file is part of ODR-DabMod.
-
- ODR-DabMod 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.
-
- ODR-DabMod 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 ODR-DabMod. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifdef HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#ifdef HAVE_OUTPUT_UHD
-
-#include <vector>
-#include <complex>
-#include <cstring>
-#include <uhd/types/stream_cmd.hpp>
-#include <sys/socket.h>
-#include <errno.h>
-#include <poll.h>
-#include <boost/date_time/posix_time/posix_time.hpp>
-#include "OutputUHDFeedback.h"
-#include "Utils.h"
-#include "Socket.h"
-
-using namespace std;
-typedef std::complex<float> complexf;
-
-OutputUHDFeedback::OutputUHDFeedback(
- uhd::usrp::multi_usrp::sptr usrp,
- uint16_t port,
- uint32_t sampleRate)
-{
- m_port = port;
- m_sampleRate = sampleRate;
- m_usrp = usrp;
-
- if (m_port) {
- m_running.store(true);
-
- rx_burst_thread = boost::thread(&OutputUHDFeedback::ReceiveBurstThread, this);
- burst_tcp_thread = boost::thread(&OutputUHDFeedback::ServeFeedbackThread, this);
- }
-}
-
-OutputUHDFeedback::~OutputUHDFeedback()
-{
- m_running.store(false);
-
- rx_burst_thread.interrupt();
- if (rx_burst_thread.joinable()) {
- rx_burst_thread.join();
- }
-
- burst_tcp_thread.interrupt();
- if (burst_tcp_thread.joinable()) {
- burst_tcp_thread.join();
- }
-}
-
-void OutputUHDFeedback::set_tx_frame(
- const std::vector<uint8_t> &buf,
- const struct frame_timestamp &buf_ts)
-{
- if (not m_running) {
- throw runtime_error("OutputUHDFeedback not running");
- }
-
- boost::mutex::scoped_lock lock(burstRequest.mutex);
-
- if (buf.size() % sizeof(complexf) != 0) {
- throw std::logic_error("Buffer for tx frame has incorrect size");
- }
-
- if (burstRequest.state == BurstRequestState::SaveTransmitFrame) {
- const size_t n = std::min(
- burstRequest.num_samples * sizeof(complexf), buf.size());
-
- burstRequest.num_samples = n / sizeof(complexf);
-
- burstRequest.tx_samples.clear();
- burstRequest.tx_samples.resize(n);
- // A frame will always begin with the NULL symbol, which contains
- // no power. Instead of taking n samples at the beginning of the
- // frame, we take them at the end and adapt the timestamp accordingly.
-
- const size_t start_ix = buf.size() - n;
- copy(buf.begin() + start_ix, buf.end(), burstRequest.tx_samples.begin());
-
- frame_timestamp ts = buf_ts;
- ts += (1.0 * start_ix) / (sizeof(complexf) * m_sampleRate);
-
- burstRequest.tx_second = ts.timestamp_sec;
- burstRequest.tx_pps = ts.timestamp_pps;
-
- // Prepare the next state
- burstRequest.rx_second = ts.timestamp_sec;
- burstRequest.rx_pps = ts.timestamp_pps;
- burstRequest.state = BurstRequestState::SaveReceiveFrame;
-
- lock.unlock();
- burstRequest.mutex_notification.notify_one();
- }
- else {
- lock.unlock();
- }
-}
-
-void OutputUHDFeedback::ReceiveBurstThread()
-{
- try {
- set_thread_name("uhdreceiveburst");
-
- uhd::stream_args_t stream_args("fc32"); //complex floats
- auto rxStream = m_usrp->get_rx_stream(stream_args);
-
- while (m_running) {
- boost::mutex::scoped_lock lock(burstRequest.mutex);
- while (burstRequest.state != BurstRequestState::SaveReceiveFrame) {
- if (not m_running) break;
- burstRequest.mutex_notification.wait(lock);
- }
-
- if (not m_running) break;
-
- uhd::stream_cmd_t cmd(
- uhd::stream_cmd_t::stream_mode_t::STREAM_MODE_NUM_SAMPS_AND_DONE);
- cmd.num_samps = burstRequest.num_samples;
- cmd.stream_now = false;
-
- double pps = burstRequest.rx_pps / 16384000.0;
- cmd.time_spec = uhd::time_spec_t(burstRequest.rx_second, pps);
-
- // We need to free the mutex while we recv(), because otherwise we block the
- // TX thread
- lock.unlock();
-
- const double usrp_time = m_usrp->get_time_now().get_real_secs();
- const double cmd_time = cmd.time_spec.get_real_secs();
-
- rxStream->issue_stream_cmd(cmd);
-
- uhd::rx_metadata_t md;
-
- std::vector<uint8_t> buf(cmd.num_samps * sizeof(complexf));
-
- const double timeout = 60;
- size_t samples_read = rxStream->recv(&buf[0], cmd.num_samps, md, timeout);
-
- lock.lock();
- burstRequest.rx_samples = std::move(buf);
- burstRequest.rx_samples.resize(samples_read * sizeof(complexf));
-
- // The recv might have happened at another time than requested
- burstRequest.rx_second = md.time_spec.get_full_secs();
- burstRequest.rx_pps = md.time_spec.get_frac_secs() * 16384000.0;
-
- etiLog.level(debug) << "DPD: acquired " << samples_read <<
- " RX feedback samples " <<
- "at time " << burstRequest.tx_second << " + " <<
- std::fixed << burstRequest.tx_pps / 16384000.0 <<
- " Delta=" << cmd_time - usrp_time;
-
- burstRequest.state = BurstRequestState::Acquired;
-
- lock.unlock();
- burstRequest.mutex_notification.notify_one();
- }
- }
- catch (const runtime_error &e) {
- etiLog.level(error) << "DPD Feedback RX runtime error: " << e.what();
- }
- catch (const std::exception &e) {
- etiLog.level(error) << "DPD Feedback RX exception: " << e.what();
- }
- catch (...) {
- etiLog.level(error) << "DPD Feedback RX unknown exception!";
- }
-
- m_running.store(false);
-}
-
-void OutputUHDFeedback::ServeFeedback()
-{
- TCPSocket m_server_sock;
- m_server_sock.listen(m_port);
-
- etiLog.level(info) << "DPD Feedback server listening on port " << m_port;
-
- while (m_running) {
- struct sockaddr_in client;
- TCPSocket client_sock = m_server_sock.accept_with_timeout(1000, &client);
-
- if (not client_sock.valid()) {
- // No connection request received
- continue;
- }
-
- uint8_t request_version = 0;
- ssize_t read = client_sock.recv(&request_version, 1, 0);
- if (!read) break; // done reading
- if (read < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client read request version failed: " << strerror(errno);
- break;
- }
-
- if (request_version != 1) {
- etiLog.level(info) << "DPD Feedback Server wrong request version";
- break;
- }
-
- uint32_t num_samples = 0;
- read = client_sock.recv(&num_samples, 4, 0);
- if (!read) break; // done reading
- if (read < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client read num samples failed";
- break;
- }
-
- // We are ready to issue the request now
- {
- boost::mutex::scoped_lock lock(burstRequest.mutex);
- burstRequest.num_samples = num_samples;
- burstRequest.state = BurstRequestState::SaveTransmitFrame;
-
- lock.unlock();
- }
-
- // Wait for the result to be ready
- boost::mutex::scoped_lock lock(burstRequest.mutex);
- while (burstRequest.state != BurstRequestState::Acquired) {
- if (not m_running) break;
- burstRequest.mutex_notification.wait(lock);
- }
-
- burstRequest.state = BurstRequestState::None;
- lock.unlock();
-
- burstRequest.num_samples = std::min(burstRequest.num_samples,
- std::min(
- burstRequest.tx_samples.size() / sizeof(complexf),
- burstRequest.rx_samples.size() / sizeof(complexf)));
-
- uint32_t num_samples_32 = burstRequest.num_samples;
- if (client_sock.sendall(&num_samples_32, sizeof(num_samples_32)) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send num_samples failed";
- break;
- }
-
- if (client_sock.sendall(
- &burstRequest.tx_second,
- sizeof(burstRequest.tx_second)) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send tx_second failed";
- break;
- }
-
- if (client_sock.sendall(
- &burstRequest.tx_pps,
- sizeof(burstRequest.tx_pps)) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send tx_pps failed";
- break;
- }
-
- const size_t frame_bytes = burstRequest.num_samples * sizeof(complexf);
-
- if (burstRequest.tx_samples.size() < frame_bytes) {
- throw logic_error("DPD Feedback burstRequest invalid: not enough TX samples");
- }
-
- if (client_sock.sendall(
- &burstRequest.tx_samples[0],
- frame_bytes) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send tx_frame failed";
- break;
- }
-
- if (client_sock.sendall(
- &burstRequest.rx_second,
- sizeof(burstRequest.rx_second)) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send rx_second failed";
- break;
- }
-
- if (client_sock.sendall(
- &burstRequest.rx_pps,
- sizeof(burstRequest.rx_pps)) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send rx_pps failed";
- break;
- }
-
- if (burstRequest.rx_samples.size() < frame_bytes) {
- throw logic_error("DPD Feedback burstRequest invalid: not enough RX samples");
- }
-
- if (client_sock.sendall(
- &burstRequest.rx_samples[0],
- frame_bytes) < 0) {
- etiLog.level(info) <<
- "DPD Feedback Server Client send rx_frame failed";
- break;
- }
- }
-}
-
-void OutputUHDFeedback::ServeFeedbackThread()
-{
- set_thread_name("uhdservefeedback");
-
- while (m_running) {
- try {
- ServeFeedback();
- }
- catch (const runtime_error &e) {
- etiLog.level(error) << "DPD Feedback Server runtime error: " << e.what();
- }
- catch (const std::exception &e) {
- etiLog.level(error) << "DPD Feedback Server exception: " << e.what();
- }
- catch (...) {
- etiLog.level(error) << "DPD Feedback Server unknown exception!";
- }
-
- boost::this_thread::sleep(boost::posix_time::seconds(5));
- }
-
- m_running.store(false);
-}
-
-#endif