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Today's Topics:<br>
<br>
1. [gnss-sdr] 53/251: Reducing the length of the test<br>
(Carles Fernandez)<br>
2. [gnss-sdr] 54/251: Refactored out rtl_tcp stuff to libs<br>
(Carles Fernandez)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Wed, 02 Sep 2015 00:22:35 +0000<br>
From: Carles Fernandez <<a href="mailto:carles_fernandez-guest@moszumanska.debian.org">carles_fernandez-guest@moszumanska.debian.org</a>><br>
To: <a href="mailto:gnss-sdr_cvs@packages.qa.debian.org">gnss-sdr_cvs@packages.qa.debian.org</a>,<br>
<a href="mailto:pkg-hamradio-commits@lists.alioth.debian.org">pkg-hamradio-commits@lists.alioth.debian.org</a><br>
Subject: [hamradio-commits] [gnss-sdr] 53/251: Reducing the length of<br>
the test<br>
Message-ID: <<a href="mailto:E1ZWvox-0005tp-HB@moszumanska.debian.org">E1ZWvox-0005tp-HB@moszumanska.debian.org</a>><br>
Content-Type: text/plain; charset=utf-8<br>
<br>
This is an automated email from the git hooks/post-receive script.<br>
<br>
carles_fernandez-guest pushed a commit to branch master<br>
in repository gnss-sdr.<br>
<br>
commit 9fa8efba5b04f9437ec865c76a0583a4edb4e27f<br>
Author: Carles Fernandez <<a href="mailto:carles.fernandez@gmail.com">carles.fernandez@gmail.com</a>><br>
Date: Sun May 10 13:20:52 2015 +0200<br>
<br>
Reducing the length of the test<br>
---<br>
src/tests/arithmetic/code_generation_test.cc | 9 +++------<br>
1 file changed, 3 insertions(+), 6 deletions(-)<br>
<br>
diff --git a/src/tests/arithmetic/code_generation_test.cc b/src/tests/arithmetic/code_generation_test.cc<br>
index e8f87ab..2cb56a5 100644<br>
--- a/src/tests/arithmetic/code_generation_test.cc<br>
+++ b/src/tests/arithmetic/code_generation_test.cc<br>
@@ -43,7 +43,7 @@ TEST(CodeGenGPSL1_Test, CodeGeneration)<br>
signed int _prn = 1;<br>
unsigned int _chip_shift = 4;<br>
<br>
- int iterations = 100000;<br>
+ int iterations = 1000;<br>
<br>
struct timeval tv;<br>
gettimeofday(&tv, NULL);<br>
@@ -93,7 +93,7 @@ TEST(CodeGenGPSL1Sampled_Test, CodeGeneration)<br>
int _samplesPerCode = round(_fs / (_codeFreqBasis / _codeLength));<br>
std::complex<float>* _dest = new std::complex<float>[_samplesPerCode];<br>
<br>
- int iterations = 10000;<br>
+ int iterations = 1000;<br>
<br>
struct timeval tv;<br>
gettimeofday(&tv, NULL);<br>
@@ -133,8 +133,6 @@ TEST(CodeGenGPSL1Sampled_Test, CodeGeneration)<br>
<br>
TEST(ComplexCarrier_Test, CodeGeneration)<br>
{<br>
- //signed int _prn = 1;<br>
- //unsigned int _chip_shift = 4;<br>
double _fs = 8000000;<br>
double _f = 4000;<br>
const signed int _codeFreqBasis = 1023000; //Hz<br>
@@ -142,7 +140,7 @@ TEST(ComplexCarrier_Test, CodeGeneration)<br>
int _samplesPerCode = round(_fs / (_codeFreqBasis / _codeLength));<br>
std::complex<float>* _dest = new std::complex<float>[_samplesPerCode];<br>
<br>
- int iterations = 100000;<br>
+ int iterations = 1000;<br>
<br>
struct timeval tv;<br>
gettimeofday(&tv, NULL);<br>
@@ -150,7 +148,6 @@ TEST(ComplexCarrier_Test, CodeGeneration)<br>
<br>
for(int i = 0; i < iterations; i++)<br>
{<br>
- //gps_l1_ca_code_gen_complex_sampled( _dest, _prn, _fs, _chip_shift);<br>
complex_exp_gen_conj( _dest, _f, _fs, _samplesPerCode);<br>
}<br>
<br>
<br>
--<br>
Alioth's /usr/local/bin/git-commit-notice on /srv/<a href="http://git.debian.org/git/pkg-hamradio/gnss-sdr.git" rel="noreferrer" target="_blank">git.debian.org/git/pkg-hamradio/gnss-sdr.git</a><br>
<br>
<br>
<br>
------------------------------<br>
<br>
Message: 2<br>
Date: Wed, 02 Sep 2015 00:22:35 +0000<br>
From: Carles Fernandez <<a href="mailto:carles_fernandez-guest@moszumanska.debian.org">carles_fernandez-guest@moszumanska.debian.org</a>><br>
To: <a href="mailto:gnss-sdr_cvs@packages.qa.debian.org">gnss-sdr_cvs@packages.qa.debian.org</a>,<br>
<a href="mailto:pkg-hamradio-commits@lists.alioth.debian.org">pkg-hamradio-commits@lists.alioth.debian.org</a><br>
Subject: [hamradio-commits] [gnss-sdr] 54/251: Refactored out rtl_tcp<br>
stuff to libs<br>
Message-ID: <<a href="mailto:E1ZWvox-0005u3-K6@moszumanska.debian.org">E1ZWvox-0005u3-K6@moszumanska.debian.org</a>><br>
Content-Type: text/plain; charset=utf-8<br>
<br>
This is an automated email from the git hooks/post-receive script.<br>
<br>
carles_fernandez-guest pushed a commit to branch master<br>
in repository gnss-sdr.<br>
<br>
commit 5f3ae0c66b0df42d62da07ab7d77256ca453dad2<br>
Author: Anthony Arnold <<a href="mailto:anthony.arnold@uqconnect.edu.au">anthony.arnold@uqconnect.edu.au</a>><br>
Date: Sun May 10 22:57:43 2015 +1000<br>
<br>
Refactored out rtl_tcp stuff to libs<br>
---<br>
conf/gnss-sdr_GPS_L1_rtl_tcp_realtime.conf | 5 +-<br>
src/algorithms/signal_source/CMakeLists.txt | 1 +<br>
.../adapters/rtl_tcp_signal_source.cc | 37 ++--<br>
.../signal_source/adapters/rtl_tcp_signal_source.h | 1 +<br>
.../signal_source/gnuradio_blocks/CMakeLists.txt | 3 +-<br>
.../gnuradio_blocks/rtl_tcp_signal_source_c.cc | 233 ++++++++++++---------<br>
.../gnuradio_blocks/rtl_tcp_signal_source_c.h | 24 ++-<br>
.../signal_source/{ => libs}/CMakeLists.txt | 9 +-<br>
.../signal_source/libs/rtl_tcp_commands.cc | 53 +++++<br>
.../signal_source/libs/rtl_tcp_commands.h | 55 +++++<br>
.../signal_source/libs/rtl_tcp_dongle_info.cc | 90 ++++++++<br>
.../signal_source/libs/rtl_tcp_dongle_info.h | 78 +++++++<br>
12 files changed, 468 insertions(+), 121 deletions(-)<br>
<br>
diff --git a/conf/gnss-sdr_GPS_L1_rtl_tcp_realtime.conf b/conf/gnss-sdr_GPS_L1_rtl_tcp_realtime.conf<br>
index 5db4b11..e9e35e6 100644<br>
--- a/conf/gnss-sdr_GPS_L1_rtl_tcp_realtime.conf<br>
+++ b/conf/gnss-sdr_GPS_L1_rtl_tcp_realtime.conf<br>
@@ -72,12 +72,15 @@ SignalSource.dump_filename=../data/signal_source.dat<br>
; it helps to not overload the CPU, but the processing time will be longer.<br>
SignalSource.enable_throttle_control=false<br>
<br>
-;#Address of the rtl_tcp server<br>
+;#Address of the rtl_tcp server (IPv6 allowed)<br>
SignalSource.address=127.0.0.1<br>
<br>
;#Port of the rtl_tcp server<br>
SignalSource.port=1234<br>
<br>
+;# Set to true if I/Q samples come swapped<br>
+SignalSource.swap_iq=false<br>
+<br>
;######### SIGNAL_CONDITIONER CONFIG ############<br>
;## It holds blocks to change data type, filter and resample input data.<br>
<br>
diff --git a/src/algorithms/signal_source/CMakeLists.txt b/src/algorithms/signal_source/CMakeLists.txt<br>
index c826083..5cd1218 100644<br>
--- a/src/algorithms/signal_source/CMakeLists.txt<br>
+++ b/src/algorithms/signal_source/CMakeLists.txt<br>
@@ -16,5 +16,6 @@<br>
# along with GNSS-SDR. If not, see <<a href="http://www.gnu.org/licenses/" rel="noreferrer" target="_blank">http://www.gnu.org/licenses/</a>>.<br>
#<br>
<br>
+add_subdirectory(libs)<br>
add_subdirectory(adapters)<br>
add_subdirectory(gnuradio_blocks)<br>
diff --git a/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.cc b/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.cc<br>
index 24c9e66..29c82d0 100644<br>
--- a/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.cc<br>
+++ b/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.cc<br>
@@ -68,6 +68,7 @@ RtlTcpSignalSource::RtlTcpSignalSource(ConfigurationInterface* configuration,<br>
item_type_ = configuration->property(role + ".item_type", default_item_type);<br>
address_ = configuration->property(role + ".address", default_address);<br>
port_ = configuration->property(role + ".port", default_port);<br>
+ flip_iq_ = configuration->property(role + ".flip_iq", false);<br>
<br>
if (item_type_.compare("short") == 0)<br>
{<br>
@@ -81,7 +82,7 @@ RtlTcpSignalSource::RtlTcpSignalSource(ConfigurationInterface* configuration,<br>
{<br>
std::cout << "Connecting to " << address_ << ":" << port_ << std::endl;<br>
LOG (INFO) << "Connecting to " << address_ << ":" << port_;<br>
- signal_source_ = rtl_tcp_make_signal_source_c (address_, port_);<br>
+ signal_source_ = rtl_tcp_make_signal_source_c (address_, port_, flip_iq_);<br>
}<br>
catch( boost::exception & e )<br>
{<br>
@@ -94,21 +95,29 @@ RtlTcpSignalSource::RtlTcpSignalSource(ConfigurationInterface* configuration,<br>
// 3. set rx frequency<br>
signal_source_->set_frequency(freq_);<br>
<br>
- // TODO set rx gain<br>
+ // 4. set rx gain<br>
signal_source_->set_agc_mode(true);<br>
-<br>
- /*if (this->AGC_enabled_ == true)<br>
- {<br>
- signal_source_->set_agc_mode(true);<br>
- std::cout << "AGC enabled" << std::endl;<br>
- LOG(INFO) << "AGC enabled";<br>
- }<br>
+<br>
+ if (this->AGC_enabled_ == true)<br>
+ {<br>
+ std::cout << "AGC enabled" << std::endl;<br>
+ LOG(INFO) << "AGC enabled";<br>
+ signal_source_->set_agc_mode(true);<br>
+ }<br>
else<br>
- {<br>
- signal_source_->set_agc_mode(false);<br>
- signal_source_->set_gain(gain_, 0);<br>
- signal_source_->set_if_gain(if_gain_, 0);<br>
- }*/<br>
+ {<br>
+ std::cout << "AGC disabled" << std::endl;<br>
+ LOG(INFO) << "AGC disabled";<br>
+ signal_source_->set_agc_mode(false);<br>
+<br>
+ std::cout << "Setting gain to " << gain_ << std::endl;<br>
+ LOG(INFO) << "Setting gain to " << gain_;<br>
+ signal_source_->set_gain(gain_);<br>
+<br>
+ std::cout << "Setting IF gain to " << if_gain_ << std::endl;<br>
+ LOG(INFO) << "Setting IF gain to " << if_gain_;<br>
+ signal_source_->set_if_gain(if_gain_);<br>
+ }<br>
}<br>
else<br>
{<br>
diff --git a/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.h b/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.h<br>
index 6168110..9f44370 100644<br>
--- a/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.h<br>
+++ b/src/algorithms/signal_source/adapters/rtl_tcp_signal_source.h<br>
@@ -87,6 +87,7 @@ private:<br>
short port_;<br>
bool AGC_enabled_;<br>
double sample_rate_;<br>
+ bool flip_iq_;<br>
<br>
unsigned int in_stream_;<br>
unsigned int out_stream_;<br>
diff --git a/src/algorithms/signal_source/gnuradio_blocks/CMakeLists.txt b/src/algorithms/signal_source/gnuradio_blocks/CMakeLists.txt<br>
index 5b41c3a..e5cf494 100644<br>
--- a/src/algorithms/signal_source/gnuradio_blocks/CMakeLists.txt<br>
+++ b/src/algorithms/signal_source/gnuradio_blocks/CMakeLists.txt<br>
@@ -25,6 +25,7 @@ set(SIGNAL_SOURCE_GR_BLOCKS_SOURCES<br>
<br>
include_directories(<br>
$(CMAKE_CURRENT_SOURCE_DIR)<br>
+ ${CMAKE_SOURCE_DIR}/src/algorithms/signal_source/libs<br>
${GLOG_INCLUDE_DIRS}<br>
${GFlags_INCLUDE_DIRS}<br>
${GNURADIO_RUNTIME_INCLUDE_DIRS}<br>
@@ -34,4 +35,4 @@ include_directories(<br>
file(GLOB SIGNAL_SOURCE_GR_BLOCKS_HEADERS "*.h")<br>
add_library(signal_source_gr_blocks ${SIGNAL_SOURCE_GR_BLOCKS_SOURCES} ${SIGNAL_SOURCE_GR_BLOCKS_HEADERS})<br>
source_group(Headers FILES ${SIGNAL_SOURCE_GR_BLOCKS_HEADERS})<br>
-target_link_libraries(signal_source_gr_blocks ${GNURADIO_RUNTIME_LIBRARIES} ${Boost_LIBRARIES})<br>
+target_link_libraries(signal_source_gr_blocks signal_source_lib ${GNURADIO_RUNTIME_LIBRARIES} ${Boost_LIBRARIES})<br>
diff --git a/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.cc b/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.cc<br>
index ccc5fbe..f754ba3 100644<br>
--- a/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.cc<br>
+++ b/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.cc<br>
@@ -3,6 +3,8 @@<br>
* \brief An rtl_tcp signal source reader.<br>
* \author Anthony Arnold, 2015. anthony.arnold(at)<a href="http://uqconnect.edu.au" rel="noreferrer" target="_blank">uqconnect.edu.au</a><br>
*<br>
+ * This module contains logic taken from gr-omsosdr<br>
+ * <<a href="http://git.osmocom.org/gr-osmosdr" rel="noreferrer" target="_blank">http://git.osmocom.org/gr-osmosdr</a>><br>
* -------------------------------------------------------------------------<br>
*<br>
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)<br>
@@ -29,8 +31,11 @@<br>
*/<br>
<br>
#include "rtl_tcp_signal_source_c.h"<br>
+#include "rtl_tcp_commands.h"<br>
+#include "rtl_tcp_dongle_info.h"<br>
#include <glog/logging.h><br>
#include <boost/thread/thread.hpp><br>
+#include <map><br>
<br>
using google::LogMessage;<br>
<br>
@@ -38,119 +43,93 @@ namespace ip = boost::asio::ip;<br>
using boost::asio::ip::tcp;<br>
<br>
// Buffer constants<br>
+// TODO: Make these configurable<br>
enum {<br>
RTL_TCP_BUFFER_SIZE = 1024 * 16, // 16 KB<br>
RTL_TCP_PAYLOAD_SIZE = 1024 * 4 // 4 KB<br>
};<br>
<br>
-// command ids<br>
-enum {<br>
- CMD_ID_SET_FREQUENCY = 1,<br>
- CMD_ID_SET_SAMPLE_RATE = 2,<br>
- CMD_ID_SET_GAIN_MODE = 3,<br>
- CMD_ID_SET_GAIN = 4,<br>
- CMD_ID_SET_IF_GAIN = 6,<br>
- CMD_ID_SET_AGC_MODE = 8<br>
-};<br>
-<br>
-// rtl_tcp command<br>
-struct command {<br>
- enum {<br>
- data_size = 1 + sizeof (unsigned int)<br>
- };<br>
- boost::array<unsigned char, data_size> data_;<br>
-<br>
- command (unsigned char cmd, unsigned int param)<br>
- {<br>
- data_[0] = cmd;<br>
- unsigned int nparam =<br>
- boost::asio::detail::socket_ops::host_to_network_long (param);<br>
- memcpy (&data_[1], &nparam, sizeof (nparam));<br>
- }<br>
-<br>
- boost::system::error_code send (tcp::socket &socket_) {<br>
- boost::system::error_code ec;<br>
- socket_.send (boost::asio::buffer (data_), 0, ec);<br>
- return ec;<br>
- }<br>
-};<br>
-<br>
-// set frequency command<br>
-struct set_frequency_command : command {<br>
- set_frequency_command (unsigned int freq)<br>
- : command (CMD_ID_SET_FREQUENCY, freq)<br>
- {<br>
- }<br>
-};<br>
-<br>
-// set sample rate command<br>
-struct set_sample_rate_command : command {<br>
- set_sample_rate_command (unsigned int sample_rate)<br>
- : command (CMD_ID_SET_SAMPLE_RATE, sample_rate)<br>
- {<br>
- }<br>
-};<br>
-<br>
-// set gain mode command<br>
-struct set_gain_mode_command : command {<br>
- set_gain_mode_command (bool manual)<br>
- : command (CMD_ID_SET_GAIN_MODE, static_cast<unsigned int>( manual ))<br>
- {<br>
- }<br>
-};<br>
-<br>
-<br>
-// set agc mode command<br>
-struct set_agc_mode_command : command {<br>
- set_agc_mode_command (bool manual)<br>
- : command (CMD_ID_SET_AGC_MODE, static_cast<unsigned int>( manual ))<br>
- {<br>
- }<br>
-};<br>
-<br>
-<br>
rtl_tcp_signal_source_c_sptr<br>
rtl_tcp_make_signal_source_c(const std::string &address,<br>
- short port)<br>
+ short port,<br>
+ bool flip_iq)<br>
{<br>
- return gnuradio::get_initial_sptr (new rtl_tcp_signal_source_c (address, port));<br>
+ return gnuradio::get_initial_sptr (new rtl_tcp_signal_source_c (address,<br>
+ port,<br>
+ flip_iq));<br>
}<br>
<br>
<br>
rtl_tcp_signal_source_c::rtl_tcp_signal_source_c(const std::string &address,<br>
- short port)<br>
+ short port,<br>
+ bool flip_iq)<br>
: gr::sync_block ("rtl_tcp_signal_source_c",<br>
gr::io_signature::make(0, 0, 0),<br>
gr::io_signature::make(1, 1, sizeof(gr_complex))),<br>
socket_ (io_service_),<br>
data_ (RTL_TCP_PAYLOAD_SIZE),<br>
+ flip_iq_(flip_iq),<br>
buffer_ (RTL_TCP_BUFFER_SIZE),<br>
unread_ (0)<br>
{<br>
boost::system::error_code ec;<br>
<br>
- for (int i = 0; i < 256; i++) {<br>
- lookup_[i] = (((float)(i & 0xff)) - 127.4f) * (1.0f / 128.0f);<br>
+ // 1. Setup lookup table<br>
+ for (unsigned i = 0; i < 0xff; i++) {<br>
+ lookup_[i] = ((float)(i & 0xff) - 127.4f) * (1.0f / 128.0f);<br>
}<br>
<br>
+ // 2. Set socket options<br>
+ socket_.set_option (boost::asio::socket_base::reuse_address (true), ec);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set reuse address option." << std::endl;<br>
+ LOG (WARNING) << "Failed to set reuse address option";<br>
+ }<br>
+ socket_.set_option (boost::asio::socket_base::linger (true, 0), ec);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set linger option." << std::endl;<br>
+ LOG (WARNING) << "Failed to set linger option";<br>
+ }<br>
+<br>
+ // 3. Connect socket<br>
ip::address addr = ip::address::from_string (address, ec);<br>
if (ec) {<br>
std::cout << address << " is not an IP address" << std::endl;<br>
- LOG (WARNING) << address << " is not an IP address";<br>
+ LOG (ERROR) << address << " is not an IP address";<br>
return;<br>
}<br>
<br>
socket_.connect(tcp::endpoint (addr, port), ec);<br>
if (ec) {<br>
- std::cout << "Failed to connect to " << addr << ":" << port<br>
- << "(" << ec << ")" << std::endl;<br>
- LOG (WARNING) << "Failed to connect to " << addr << ":" << port<br>
- << "(" << ec << ")";<br>
- return;<br>
+ std::cout << "Failed to connect to " << addr << ":" << port<br>
+ << "(" << ec << ")" << std::endl;<br>
+ LOG (ERROR) << "Failed to connect to " << addr << ":" << port<br>
+ << "(" << ec << ")";<br>
+ return;<br>
}<br>
std::cout << "Connected to " << addr << ":" << port << std::endl;<br>
LOG (WARNING) << "Connected to " << addr << ":" << port;<br>
<br>
+ // 4. Set nodelay<br>
+ socket_.set_option (tcp::no_delay (true), ec);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set no delay option." << std::endl;<br>
+ LOG (WARNING) << "Failed to set no delay option";<br>
+ }<br>
+<br>
+ // 5. Receive dongle info<br>
+ rtl_tcp_dongle_info info;<br>
+ ec = info.read (socket_);<br>
+ if (ec) {<br>
+ std::cout << "Failed to read dongle info." << std::endl;<br>
+ LOG (WARNING) << "Failed to read dongle info";<br>
+ }<br>
+ else if (info.is_valid ()) {<br>
+ std::cout << "Found " << info.get_type_name() << " tuner." << std::endl;<br>
+ LOG (INFO) << "Found " << info.get_type_name() << " tuner.";<br>
+ }<br>
+<br>
+ // 6. Start reading<br>
boost::asio::async_read (socket_, boost::asio::buffer (data_),<br>
boost::bind (&rtl_tcp_signal_source_c::handle_read,<br>
this, _1, _2));<br>
@@ -175,9 +154,14 @@ int rtl_tcp_signal_source_c::work (int noutput_items,<br>
this));<br>
<br>
for ( ; i < noutput_items && unread_ > 1; i++ ) {<br>
- float re = buffer_[--unread_];<br>
float im = buffer_[--unread_];<br>
- out[i] = gr_complex (re, im);<br>
+ float re = buffer_[--unread_];<br>
+ if (flip_iq_) {<br>
+ out[i] = gr_complex (im, re);<br>
+ }<br>
+ else {<br>
+ out[i] = gr_complex (re, im);<br>
+ }<br>
}<br>
}<br>
not_full_.notify_one ();<br>
@@ -187,7 +171,7 @@ int rtl_tcp_signal_source_c::work (int noutput_items,<br>
<br>
void rtl_tcp_signal_source_c::set_frequency (int frequency) {<br>
boost::system::error_code ec =<br>
- set_frequency_command (frequency).send(socket_);<br>
+ rtl_tcp_command (RTL_TCP_SET_FREQUENCY, frequency, socket_);<br>
if (ec) {<br>
std::cout << "Failed to set frequency" << std::endl;<br>
LOG (WARNING) << "Failed to set frequency";<br>
@@ -196,7 +180,7 @@ void rtl_tcp_signal_source_c::set_frequency (int frequency) {<br>
<br>
void rtl_tcp_signal_source_c::set_sample_rate (int sample_rate) {<br>
boost::system::error_code ec =<br>
- set_sample_rate_command (sample_rate).send(socket_);<br>
+ rtl_tcp_command (RTL_TCP_SET_SAMPLE_RATE, sample_rate, socket_);<br>
if (ec) {<br>
std::cout << "Failed to set sample rate" << std::endl;<br>
LOG (WARNING) << "Failed to set sample rate";<br>
@@ -205,18 +189,79 @@ void rtl_tcp_signal_source_c::set_sample_rate (int sample_rate) {<br>
<br>
<br>
void rtl_tcp_signal_source_c::set_agc_mode (bool agc) {<br>
- boost::system::error_code ec =<br>
- set_gain_mode_command (!agc).send (socket_);<br>
- if (ec) {<br>
- std::cout << "Failed to set gain mode" << std::endl;<br>
- LOG (WARNING) << "Failed to set gain mode";<br>
- }<br>
- ec =<br>
- set_agc_mode_command (agc).send (socket_);<br>
- if (ec) {<br>
- std::cout << "Failed to set gain mode" << std::endl;<br>
- LOG (WARNING) << "Failed to set gain mode";<br>
- }<br>
+ boost::system::error_code ec =<br>
+ rtl_tcp_command (RTL_TCP_SET_GAIN_MODE, !agc, socket_);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set gain mode" << std::endl;<br>
+ LOG (WARNING) << "Failed to set gain mode";<br>
+ }<br>
+ ec =<br>
+ rtl_tcp_command (RTL_TCP_SET_AGC_MODE, agc, socket_);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set gain mode" << std::endl;<br>
+ LOG (WARNING) << "Failed to set gain mode";<br>
+ }<br>
+}<br>
+<br>
+void rtl_tcp_signal_source_c::set_gain (int gain) {<br>
+ boost::system::error_code ec =<br>
+ rtl_tcp_command (RTL_TCP_SET_GAIN, gain, socket_);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set gain" << std::endl;<br>
+ LOG (WARNING) << "Failed to set gain";<br>
+ }<br>
+}<br>
+<br>
+void rtl_tcp_signal_source_c::set_if_gain (int gain) {<br>
+ // from gr-osmosdr<br>
+ struct range {<br>
+ double start, stop, step;<br>
+ };<br>
+ std::vector<range> ranges = {<br>
+ { -3, 6, 9 },<br>
+ { 0, 9, 3 },<br>
+ { 0, 9, 3 },<br>
+ { 0, 2, 1 },<br>
+ { 3, 15, 3},<br>
+ { 3, 15, 3}<br>
+ };<br>
+<br>
+ std::map <int, double> gains;<br>
+ for (int i = 0; i < static_cast<int>(ranges.size ()); i++) {<br>
+ gains[i+1] = ranges[i].start;<br>
+ }<br>
+<br>
+ for (int i = ranges.size() - 1; i >= 0; i--) {<br>
+ const range &r = ranges[i];<br>
+ double error = gain;<br>
+<br>
+ for (double g = r.start; g < r.stop; g += r.step) {<br>
+ double sum = 0;<br>
+ for (int j = 0; j < static_cast<int> ( gains.size() ); j++) {<br>
+ if (i == j) {<br>
+ sum += g;<br>
+ }<br>
+ else {<br>
+ sum += gains[j + 1];<br>
+ }<br>
+ }<br>
+ double err = std::abs (gain - sum);<br>
+ if (err < error) {<br>
+ error = err;<br>
+ gains[i+1] = g;<br>
+ }<br>
+ }<br>
+ }<br>
+ for (unsigned stage = 1; stage <= gains.size(); stage++) {<br>
+ int stage_gain = static_cast<int>( gains[stage] * 10 );<br>
+ unsigned param = (stage << 16) | (stage_gain & 0xffff);<br>
+ boost::system::error_code ec =<br>
+ rtl_tcp_command (RTL_TCP_SET_IF_GAIN, param, socket_);<br>
+ if (ec) {<br>
+ std::cout << "Failed to set if gain" << std::endl;<br>
+ LOG (WARNING) << "Failed to set if gain";<br>
+ }<br>
+ }<br>
}<br>
<br>
void<br>
@@ -252,7 +297,7 @@ rtl_tcp_signal_source_c::handle_read (const boost::system::error_code &ec,<br>
unread_++;<br>
}<br>
}<br>
- // let woker know that more data is available<br>
+ // let woker know that more data is available<br>
not_empty_.notify_one ();<br>
// Read some more<br>
boost::asio::async_read (socket_,<br>
diff --git a/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.h b/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.h<br>
index 17ad456..d207a61 100644<br>
--- a/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.h<br>
+++ b/src/algorithms/signal_source/gnuradio_blocks/rtl_tcp_signal_source_c.h<br>
@@ -53,7 +53,8 @@ typedef boost::shared_ptr<rtl_tcp_signal_source_c><br>
<br>
rtl_tcp_signal_source_c_sptr<br>
rtl_tcp_make_signal_source_c(const std::string &address,<br>
- short port);<br>
+ short port,<br>
+ bool flip_iq = false);<br>
<br>
/*!<br>
* \brief This class reads interleaved I/Q samples<br>
@@ -71,22 +72,27 @@ public:<br>
void set_frequency (int frequency);<br>
void set_sample_rate (int sample_rate);<br>
void set_agc_mode (bool agc);<br>
-<br>
+ void set_gain (int gain);<br>
+ void set_if_gain (int gain);<br>
+<br>
private:<br>
typedef boost::circular_buffer_space_optimized<float> buffer_type;<br>
-<br>
+<br>
friend rtl_tcp_signal_source_c_sptr<br>
rtl_tcp_make_signal_source_c(const std::string &address,<br>
- short port);<br>
+ short port,<br>
+ bool flip_iq);<br>
<br>
rtl_tcp_signal_source_c(const std::string &address,<br>
- short port);<br>
+ short port,<br>
+ bool flip_iq);<br>
<br>
// IO members<br>
boost::asio::io_service io_service_;<br>
boost::asio::ip::tcp::socket socket_;<br>
std::vector<unsigned char> data_;<br>
-<br>
+ bool flip_iq_;<br>
+<br>
// producer-consumer helpers<br>
boost::mutex mutex_;<br>
boost::condition not_full_;<br>
@@ -94,13 +100,13 @@ private:<br>
buffer_type buffer_;<br>
size_t unread_;<br>
<br>
- // lookup for scaling bytes<br>
- boost::array<float, 256> lookup_;<br>
+ // lookup for scaling data<br>
+ boost::array<float, 0xff> lookup_;<br>
<br>
// async read callback<br>
void handle_read (const boost::system::error_code &ec,<br>
size_t bytes_transferred);<br>
-<br>
+<br>
inline bool not_full ( ) const {<br>
return unread_ < buffer_.capacity( );<br>
}<br>
diff --git a/src/algorithms/signal_source/CMakeLists.txt b/src/algorithms/signal_source/libs/CMakeLists.txt<br>
similarity index 73%<br>
copy from src/algorithms/signal_source/CMakeLists.txt<br>
copy to src/algorithms/signal_source/libs/CMakeLists.txt<br>
index c826083..a7e886c 100644<br>
--- a/src/algorithms/signal_source/CMakeLists.txt<br>
+++ b/src/algorithms/signal_source/libs/CMakeLists.txt<br>
@@ -16,5 +16,10 @@<br>
# along with GNSS-SDR. If not, see <<a href="http://www.gnu.org/licenses/" rel="noreferrer" target="_blank">http://www.gnu.org/licenses/</a>>.<br>
#<br>
<br>
-add_subdirectory(adapters)<br>
-add_subdirectory(gnuradio_blocks)<br>
+set (SIGNAL_SOURCE_LIB_SOURCES<br>
+ rtl_tcp_commands.cc<br>
+ rtl_tcp_dongle_info.cc)<br>
+<br>
+file(GLOB SIGNAL_SOURCE_LIB_HEADERS "*.h")<br>
+add_library(signal_source_lib ${SIGNAL_SOURCE_LIB_SOURCES} ${SIGNAL_SOURCE_LIB_HEADERS})<br>
+source_group(Headers FILES ${SIGNAL_SOURCE_LIB_HEADERS})<br>
\ No newline at end of file<br>
diff --git a/src/algorithms/signal_source/libs/rtl_tcp_commands.cc b/src/algorithms/signal_source/libs/rtl_tcp_commands.cc<br>
new file mode 100644<br>
index 0000000..7cf21ea<br>
--- /dev/null<br>
+++ b/src/algorithms/signal_source/libs/rtl_tcp_commands.cc<br>
@@ -0,0 +1,53 @@<br>
+/*!<br>
+ * \file rtl_tcp_commands.cc<br>
+ * \brief Defines methods for communicating with rtl_tcp<br>
+ * \author Anthony Arnold, 2015. anthony.arnold(at)<a href="http://uqconnect.edu.au" rel="noreferrer" target="_blank">uqconnect.edu.au</a><br>
+ *<br>
+ * This file contains information taken from librtlsdr:<br>
+ * <a href="http://git.osmocom.org/rtl-sdr/" rel="noreferrer" target="_blank">http://git.osmocom.org/rtl-sdr/</a><br>
+ * -------------------------------------------------------------------------<br>
+ *<br>
+ * Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)<br>
+ *<br>
+ * GNSS-SDR is a software defined Global Navigation<br>
+ * Satellite Systems receiver<br>
+ *<br>
+ * This file is part of GNSS-SDR.<br>
+ *<br>
+ * GNSS-SDR is free software: you can redistribute it and/or modify<br>
+ * it under the terms of the GNU General Public License as published by<br>
+ * the Free Software Foundation, either version 3 of the License, or<br>
+ * (at your option) any later version.<br>
+ *<br>
+ * GNSS-SDR is distributed in the hope that it will be useful,<br>
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>
+ * GNU General Public License for more details.<br>
+ *<br>
+ * You should have received a copy of the GNU General Public License<br>
+ * along with GNSS-SDR. If not, see <<a href="http://www.gnu.org/licenses/" rel="noreferrer" target="_blank">http://www.gnu.org/licenses/</a>>.<br>
+ *<br>
+ * -------------------------------------------------------------------------<br>
+ */<br>
+#include "rtl_tcp_commands.h"<br>
+#include <string.h><br>
+<br>
+using boost::asio::ip::tcp;<br>
+<br>
+<br>
+boost::system::error_code<br>
+rtl_tcp_command (RTL_TCP_COMMAND id, unsigned param, tcp::socket &socket) {<br>
+ // Data payload<br>
+ unsigned char data[sizeof (unsigned char) + sizeof (unsigned)];<br>
+<br>
+ data[0] = static_cast<unsigned char> (id);<br>
+<br>
+<br>
+ unsigned nparam =<br>
+ boost::asio::detail::socket_ops::host_to_network_long (param);<br>
+ ::memcpy (&data[1], &nparam, sizeof (nparam));<br>
+<br>
+ boost::system::error_code ec;<br>
+ socket.send (boost::asio::buffer (data), 0, ec);<br>
+ return ec;<br>
+}<br>
diff --git a/src/algorithms/signal_source/libs/rtl_tcp_commands.h b/src/algorithms/signal_source/libs/rtl_tcp_commands.h<br>
new file mode 100644<br>
index 0000000..361dc10<br>
--- /dev/null<br>
+++ b/src/algorithms/signal_source/libs/rtl_tcp_commands.h<br>
@@ -0,0 +1,55 @@<br>
+/*!<br>
+ * \file rtl_tcp_commands.h<br>
+ * \brief Defines structures and constants for communicating with rtl_tcp<br>
+ * \author Anthony Arnold, 2015. anthony.arnold(at)<a href="http://uqconnect.edu.au" rel="noreferrer" target="_blank">uqconnect.edu.au</a><br>
+ *<br>
+ * This file contains information taken from librtlsdr:<br>
+ * <a href="http://git.osmocom.org/rtl-sdr/" rel="noreferrer" target="_blank">http://git.osmocom.org/rtl-sdr/</a><br>
+ * -------------------------------------------------------------------------<br>
+ *<br>
+ * Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)<br>
+ *<br>
+ * GNSS-SDR is a software defined Global Navigation<br>
+ * Satellite Systems receiver<br>
+ *<br>
+ * This file is part of GNSS-SDR.<br>
+ *<br>
+ * GNSS-SDR is free software: you can redistribute it and/or modify<br>
+ * it under the terms of the GNU General Public License as published by<br>
+ * the Free Software Foundation, either version 3 of the License, or<br>
+ * (at your option) any later version.<br>
+ *<br>
+ * GNSS-SDR is distributed in the hope that it will be useful,<br>
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>
+ * GNU General Public License for more details.<br>
+ *<br>
+ * You should have received a copy of the GNU General Public License<br>
+ * along with GNSS-SDR. If not, see <<a href="http://www.gnu.org/licenses/" rel="noreferrer" target="_blank">http://www.gnu.org/licenses/</a>>.<br>
+ *<br>
+ * -------------------------------------------------------------------------<br>
+ */<br>
+#ifndef GNSS_SDR_RTL_TCP_COMMANDS_H<br>
+#define GNSS_SDR_RTL_TCP_COMMANDS_H<br>
+<br>
+#include <boost/asio/ip/tcp.hpp><br>
+<br>
+/// Command IDs for configuration rtl_tcp<br>
+enum RTL_TCP_COMMAND {<br>
+ RTL_TCP_SET_FREQUENCY = 1,<br>
+ RTL_TCP_SET_SAMPLE_RATE = 2,<br>
+ RTL_TCP_SET_GAIN_MODE = 3,<br>
+ RTL_TCP_SET_GAIN = 4,<br>
+ RTL_TCP_SET_IF_GAIN = 6,<br>
+ RTL_TCP_SET_AGC_MODE = 8<br>
+};<br>
+<br>
+<br>
+/*!<br>
+ * \brief Send a command to rtl_tcp over the given socket.<br>
+ */<br>
+boost::system::error_code<br>
+rtl_tcp_command (RTL_TCP_COMMAND id, unsigned param,<br>
+ boost::asio::ip::tcp::socket &socket);<br>
+<br>
+#endif // GNSS_SDR_RTL_TCP_COMMANDS_H<br>
diff --git a/src/algorithms/signal_source/libs/rtl_tcp_dongle_info.cc b/src/algorithms/signal_source/libs/rtl_tcp_dongle_info.cc<br>
new file mode 100644<br>
index 0000000..4312277<br>
--- /dev/null<br>
+++ b/src/algorithms/signal_source/libs/rtl_tcp_dongle_info.cc<br>
@@ -0,0 +1,90 @@<br>
+/*!<br>
+ * \file rtl_tcp_dongle_info.cc<br>
+ * \brief Defines methods for retrieving and validating rtl_tcp donle<br>
+ * info.<br>
+ * \author Anthony Arnold, 2015. anthony.arnold(at)<a href="http://uqconnect.edu.au" rel="noreferrer" target="_blank">uqconnect.edu.au</a><br>
+ *<br>
+ * This file contains information taken from librtlsdr:<br>
+ * <a href="http://git.osmocom.org/rtl-sdr/" rel="noreferrer" target="_blank">http://git.osmocom.org/rtl-sdr/</a><br>
+ * -------------------------------------------------------------------------<br>
+ *<br>
+ * Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)<br>
+ *<br>
+ * GNSS-SDR is a software defined Global Navigation<br>
+ * Satellite Systems receiver<br>
+ *<br>
+ * This file is part of GNSS-SDR.<br>
+ *<br>
+ * GNSS-SDR is free software: you can redistribute it and/or modify<br>
+ * it under the terms of the GNU General Public License as published by<br>
+ * the Free Software Foundation, either version 3 of the License, or<br>
+ * (at your option) any later version.<br>
+ *<br>
+ * GNSS-SDR is distributed in the hope that it will be useful,<br>
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>
+ * GNU General Public License for more details.<br>
+ *<br>
+ * You should have received a copy of the GNU General Public License<br>
+ * along with GNSS-SDR. If not, see <<a href="http://www.gnu.org/licenses/" rel="noreferrer" target="_blank">http://www.gnu.org/licenses/</a>>.<br>
+ *<br>
+ * -------------------------------------------------------------------------<br>
+ */<br>
+#include "rtl_tcp_dongle_info.h"<br>
+#include <string.h><br>
+<br>
+using boost::asio::ip::tcp;<br>
+<br>
+rtl_tcp_dongle_info::rtl_tcp_dongle_info ()<br>
+ : tuner_type_ (0), tuner_gain_count_ (0)<br>
+{<br>
+ ::memset (magic_, 0, sizeof (magic_));<br>
+}<br>
+<br>
+boost::system::error_code rtl_tcp_dongle_info::read (tcp::socket &socket) {<br>
+ boost::system::error_code ec;<br>
+<br>
+ unsigned char data[sizeof (char) * 4 + sizeof (uint32_t) * 2];<br>
+ socket.receive (boost::asio::buffer (data), 0, ec);<br>
+ if (!ec) {<br>
+ ::memcpy (magic_, data, 4);<br>
+<br>
+ uint32_t type;<br>
+ ::memcpy (&type, &data[4], 4);<br>
+<br>
+ tuner_type_ =<br>
+ boost::asio::detail::socket_ops::network_to_host_long (type);<br>
+<br>
+<br>
+ uint32_t count;<br>
+ ::memcpy (&count, &data[8], 4);<br>
+<br>
+ tuner_gain_count_ =<br>
+ boost::asio::detail::socket_ops::network_to_host_long (count);<br>
+ }<br>
+ return ec;<br>
+}<br>
+<br>
+<br>
+const char *rtl_tcp_dongle_info::get_type_name () const {<br>
+ switch (get_tuner_type()) {<br>
+ default:<br>
+ return "UNKNOWN";<br>
+ case TUNER_E4000:<br>
+ return "E4000";<br>
+ case TUNER_FC0012:<br>
+ return "FC0012";<br>
+ case TUNER_FC0013:<br>
+ return "FC0013";<br>
+ case TUNER_FC2580:<br>
+ return "FC2580";<br>
+ case TUNER_R820T:<br>
+ return "R820T";<br>
+ case TUNER_R828D:<br>
+ return "R828D";<br>
+ }<br>
+}<br>
+<br>
+bool rtl_tcp_dongle_info::is_valid () const {<br>
+ return ::memcmp (magic_, "RTL0", 4) == 0;<br>
+}<br>
diff --git a/src/algorithms/signal_source/libs/rtl_tcp_dongle_info.h b/src/algorithms/signal_source/libs/rtl_tcp_dongle_info.h<br>
new file mode 100644<br>
index 0000000..98e5f96<br>
--- /dev/null<br>
+++ b/src/algorithms/signal_source/libs/rtl_tcp_dongle_info.h<br>
@@ -0,0 +1,78 @@<br>
+/*!<br>
+ * \file rtl_tcp_dongle_info.h<br>
+ * \brief Interface for a structure sent by rtl_tcp defining the hardware.<br>
+ * \author Anthony Arnold, 2015. anthony.arnold(at)<a href="http://uqconnect.edu.au" rel="noreferrer" target="_blank">uqconnect.edu.au</a><br>
+ *<br>
+ * This file contains information taken from librtlsdr:<br>
+ * <a href="http://git.osmocom.org/rtl-sdr/" rel="noreferrer" target="_blank">http://git.osmocom.org/rtl-sdr/</a><br>
+ * -------------------------------------------------------------------------<br>
+ *<br>
+ * Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)<br>
+ *<br>
+ * GNSS-SDR is a software defined Global Navigation<br>
+ * Satellite Systems receiver<br>
+ *<br>
+ * This file is part of GNSS-SDR.<br>
+ *<br>
+ * GNSS-SDR is free software: you can redistribute it and/or modify<br>
+ * it under the terms of the GNU General Public License as published by<br>
+ * the Free Software Foundation, either version 3 of the License, or<br>
+ * (at your option) any later version.<br>
+ *<br>
+ * GNSS-SDR is distributed in the hope that it will be useful,<br>
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of<br>
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<br>
+ * GNU General Public License for more details.<br>
+ *<br>
+ * You should have received a copy of the GNU General Public License<br>
+ * along with GNSS-SDR. If not, see <<a href="http://www.gnu.org/licenses/" rel="noreferrer" target="_blank">http://www.gnu.org/licenses/</a>>.<br>
+ *<br>
+ * -------------------------------------------------------------------------<br>
+ */<br>
+#ifndef GNSS_SDR_RTL_TCP_DONGLE_INFO_H<br>
+#define GNSS_SDR_RTL_TCP_DONGLE_INFO_H<br>
+<br>
+#include <boost/asio/ip/tcp.hpp><br>
+<br>
+/*!<br>
+ * \brief This class represents the dongle information<br>
+ * which is sent by rtl_tcp.<br>
+ */<br>
+class rtl_tcp_dongle_info {<br>
+ public:<br>
+ enum {<br>
+ TUNER_UNKNOWN = 0,<br>
+ TUNER_E4000,<br>
+ TUNER_FC0012,<br>
+ TUNER_FC0013,<br>
+ TUNER_FC2580,<br>
+ TUNER_R820T,<br>
+ TUNER_R828D<br>
+ };<br>
+<br>
+ private:<br>
+ char magic_[4];<br>
+ uint32_t tuner_type_;<br>
+ uint32_t tuner_gain_count_;<br>
+<br>
+ public:<br>
+ rtl_tcp_dongle_info ();<br>
+<br>
+ boost::system::error_code read (<br>
+ boost::asio::ip::tcp::socket &socket);<br>
+<br>
+ bool is_valid () const;<br>
+<br>
+ const char *get_type_name () const;<br>
+<br>
+ inline uint32_t get_tuner_type () const {<br>
+ return tuner_type_;<br>
+ }<br>
+<br>
+ inline uint32_t get_tuner_gain_count () const {<br>
+ return tuner_gain_count_;<br>
+ }<br>
+};<br>
+<br>
+<br>
+#endif // GNSS_SDR_RTL_TCP_DONGLE_INFO_H<br>
<br>
--<br>
Alioth's /usr/local/bin/git-commit-notice on /srv/<a href="http://git.debian.org/git/pkg-hamradio/gnss-sdr.git" rel="noreferrer" target="_blank">git.debian.org/git/pkg-hamradio/gnss-sdr.git</a><br>
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End of pkg-hamradio-commits Digest, Vol 34, Issue 19<br>
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