mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2024-09-28 15:08:51 +00:00
Merge branch 'next' of https://github.com/gnss-sdr/gnss-sdr into next
This commit is contained in:
Carles Fernandez
commit
98edb768fd
@ -52,6 +52,7 @@ option(ENABLE_GN3S "Enable the use of the GN3S dongle as signal source (experime
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option(ENABLE_PLUTOSDR "Enable the use of ADALM-PLUTO Evaluation Boards (Analog Devices Inc.), requires gr-iio" OFF)
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option(ENABLE_FMCOMMS2 "Enable the use of FMCOMMS4-EBZ + ZedBoard hardware, requires gr-iio" OFF)
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option(ENABLE_AD9361 "Enable the use of AD9361 directo to FPGA hardware, requires gr-iio" OFF)
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option(ENABLE_RAW_UDP "Enable the use of high-optimized custom UDP packet sample source, requires libpcap" OFF)
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# Performance analysis tools
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option(ENABLE_GPERFTOOLS "Enable linking to Gperftools libraries (tcmalloc and profiler)" OFF)
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@ -1321,6 +1322,16 @@ else(ENABLE_CUDA)
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message(STATUS "Enable it with 'cmake -DENABLE_CUDA=ON ../' to add support for GPU-based acceleration using CUDA." )
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endif(ENABLE_CUDA)
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###############################################################################
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# CUSTOM UDP PACKET SOURCE (OPTIONAL)
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###############################################################################
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if(ENABLE_RAW_UDP)
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message(STATUS "High-optimized custom UDP ip packet source will be enabled." )
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message(STATUS "You can disable it with 'cmake -DENABLE_RAW_UDP=OFF ../'" )
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else(ENABLE_RAW_UDP)
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message(STATUS "High-optimized custom UDP ip packet source will be enabled." )
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message(STATUS "You can disable it with 'cmake -DENABLE_RAW_UDP=OFF ../'" )
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endif(ENABLE_RAW_UDP)
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###############################################################################
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@ -1455,7 +1466,6 @@ if(ENABLE_GPROF)
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endif(ENABLE_GPROF)
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########################################################################
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# Set compiler flags
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########################################################################
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122
cmake/Modules/FindPCAP.cmake
Normal file
122
cmake/Modules/FindPCAP.cmake
Normal file
@ -0,0 +1,122 @@
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###################################################################
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#
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# Copyright (c) 2006 Frederic Heem, <frederic.heem@telsey.it>
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# All rights reserved.
|
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#
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# Redistribution and use in source and binary forms, with or without
|
||||
# modification, are permitted provided that the following conditions
|
||||
# are met:
|
||||
#
|
||||
# * Redistributions of source code must retain the above copyright
|
||||
# notice, this list of conditions and the following disclaimer.
|
||||
#
|
||||
# * Redistributions in binary form must reproduce the above copyright
|
||||
# notice, this list of conditions and the following disclaimer in
|
||||
# the documentation and/or other materials provided with the
|
||||
# distribution.
|
||||
#
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||||
# * Neither the name of the Telsey nor the names of its
|
||||
# contributors may be used to endorse or promote products derived
|
||||
# from this software without specific prior written permission.
|
||||
#
|
||||
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
# POSSIBILITY OF SUCH DAMAGE.
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||||
#
|
||||
###################################################################
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# - Find pcap
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# Find the PCAP includes and library
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# http://www.tcpdump.org/
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#
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# The environment variable PCAPDIR allows to specficy where to find
|
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# libpcap in non standard location.
|
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#
|
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# PCAP_INCLUDE_DIRS - where to find pcap.h, etc.
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# PCAP_LIBRARIES - List of libraries when using pcap.
|
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# PCAP_FOUND - True if pcap found.
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|
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|
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IF(EXISTS $ENV{PCAPDIR})
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FIND_PATH(PCAP_INCLUDE_DIR
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NAMES
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pcap/pcap.h
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||||
pcap.h
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PATHS
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$ENV{PCAPDIR}
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NO_DEFAULT_PATH
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)
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||||
|
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FIND_LIBRARY(PCAP_LIBRARY
|
||||
NAMES
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pcap
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PATHS
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$ENV{PCAPDIR}
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NO_DEFAULT_PATH
|
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)
|
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|
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|
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ELSE(EXISTS $ENV{PCAPDIR})
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FIND_PATH(PCAP_INCLUDE_DIR
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NAMES
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pcap/pcap.h
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pcap.h
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)
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|
||||
FIND_LIBRARY(PCAP_LIBRARY
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NAMES
|
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pcap
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||||
)
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ENDIF(EXISTS $ENV{PCAPDIR})
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SET(PCAP_INCLUDE_DIRS ${PCAP_INCLUDE_DIR})
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SET(PCAP_LIBRARIES ${PCAP_LIBRARY})
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|
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IF(PCAP_INCLUDE_DIRS)
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MESSAGE(STATUS "Pcap include dirs set to ${PCAP_INCLUDE_DIRS}")
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ELSE(PCAP_INCLUDE_DIRS)
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||||
MESSAGE(FATAL " Pcap include dirs cannot be found")
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||||
ENDIF(PCAP_INCLUDE_DIRS)
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|
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IF(PCAP_LIBRARIES)
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MESSAGE(STATUS "Pcap library set to ${PCAP_LIBRARIES}")
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ELSE(PCAP_LIBRARIES)
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MESSAGE(FATAL "Pcap library cannot be found")
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ENDIF(PCAP_LIBRARIES)
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#Functions
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INCLUDE(CheckFunctionExists)
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SET(CMAKE_REQUIRED_INCLUDES ${PCAP_INCLUDE_DIRS})
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SET(CMAKE_REQUIRED_LIBRARIES ${PCAP_LIBRARIES})
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CHECK_FUNCTION_EXISTS("pcap_breakloop" HAVE_PCAP_BREAKLOOP)
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CHECK_FUNCTION_EXISTS("pcap_datalink_name_to_val" HAVE_PCAP_DATALINK_NAME_TO_VAL)
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CHECK_FUNCTION_EXISTS("pcap_datalink_val_to_name" HAVE_PCAP_DATALINK_VAL_TO_NAME)
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CHECK_FUNCTION_EXISTS("pcap_findalldevs" HAVE_PCAP_FINDALLDEVS)
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CHECK_FUNCTION_EXISTS("pcap_freecode" HAVE_PCAP_FREECODE)
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CHECK_FUNCTION_EXISTS("pcap_get_selectable_fd" HAVE_PCAP_GET_SELECTABLE_FD)
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CHECK_FUNCTION_EXISTS("pcap_lib_version" HAVE_PCAP_LIB_VERSION)
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CHECK_FUNCTION_EXISTS("pcap_list_datalinks" HAVE_PCAP_LIST_DATALINKS)
|
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CHECK_FUNCTION_EXISTS("pcap_open_dead" HAVE_PCAP_OPEN_DEAD)
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CHECK_FUNCTION_EXISTS("pcap_set_datalink" HAVE_PCAP_SET_DATALINK)
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#Is pcap found ?
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IF(PCAP_INCLUDE_DIRS AND PCAP_LIBRARIES)
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SET( PCAP_FOUND "YES" )
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ENDIF(PCAP_INCLUDE_DIRS AND PCAP_LIBRARIES)
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MARK_AS_ADVANCED(
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PCAP_LIBRARIES
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PCAP_INCLUDE_DIRS
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)
|
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103
conf/gnss-sdr_GPS_L1_2ch_udp.conf
Normal file
103
conf/gnss-sdr_GPS_L1_2ch_udp.conf
Normal file
@ -0,0 +1,103 @@
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; You can define your own receiver and invoke it by doing
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; gnss-sdr --config_file=my_GNSS_SDR_configuration.conf
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;
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[GNSS-SDR]
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;######### GLOBAL OPTIONS ##################
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;internal_fs_sps: Internal signal sampling frequency after the signal conditioning stage [Sps].
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GNSS-SDR.internal_fs_sps=13250000 ;//66.25/5
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;GNSS-SDR.internal_fs_sps=6625000 ;//66.25/10
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||||
;GNSS-SDR.internal_fs_sps=3312500 ;//66.25/20
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;GNSS-SDR.internal_fs_sps=2650000 ;//66.25/25
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|
||||
;######### SIGNAL_SOURCE CONFIG ############
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SignalSource.implementation=Custom_UDP_Signal_Source
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SignalSource.item_type=gr_complex
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SignalSource.origin_address=0.0.0.0
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SignalSource.capture_device=eth0
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SignalSource.port=1234
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SignalSource.payload_bytes=1472
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;SignalSource.sample_type=cbyte
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||||
SignalSource.sample_type=c4bits
|
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SignalSource.IQ_swap=false
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SignalSource.RF_channels=1
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SignalSource.channels_in_udp=2
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SignalSource.dump=false
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SignalSource.dump_filename=./signal_source.dat
|
||||
|
||||
|
||||
;######### SIGNAL_CONDITIONER CONFIG ############
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SignalConditioner.implementation=Pass_Through
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;SignalConditioner0.implementation=Pass_Through
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||||
;SignalConditioner1.implementation=Pass_Through
|
||||
|
||||
;######### CHANNELS GLOBAL CONFIG ############
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Channels_1C.count=8
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||||
Channels.in_acquisition=1
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||||
|
||||
;# CHANNEL CONNECTION
|
||||
Channel.signal=1C
|
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Channel0.RF_channel_ID=0
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Channel1.RF_channel_ID=0
|
||||
Channel2.RF_channel_ID=0
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||||
Channel3.RF_channel_ID=0
|
||||
Channel4.RF_channel_ID=0
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Channel5.RF_channel_ID=0
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Channel6.RF_channel_ID=0
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||||
Channel7.RF_channel_ID=0
|
||||
Channel8.RF_channel_ID=1
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||||
Channel9.RF_channel_ID=1
|
||||
|
||||
;Channel0.signal=1C
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||||
;Channel1.RF_channel_ID=1
|
||||
;Channel1.signal=1C
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|
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;######### ACQUISITION GLOBAL CONFIG ############
|
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Acquisition_1C.implementation=GPS_L1_CA_PCPS_Acquisition
|
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Acquisition_1C.item_type=gr_complex
|
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Acquisition_1C.threshold=17
|
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Acquisition_1C.use_CFAR_algorithm=false
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Acquisition_1C.blocking=false
|
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Acquisition_1C.doppler_max=5000
|
||||
Acquisition_1C.doppler_step=250
|
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Acquisition_1C.dump=false
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Acquisition_1C.dump_filename=./acq_dump.dat
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|
||||
|
||||
;######### TRACKING GLOBAL CONFIG ############
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Tracking_1C.implementation=GPS_L1_CA_DLL_PLL_Tracking
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Tracking_1C.item_type=gr_complex
|
||||
Tracking_1C.dump=false
|
||||
Tracking_1C.dump_filename=./tracking_ch_
|
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Tracking_1C.pll_bw_hz=35.0;
|
||||
Tracking_1C.dll_bw_hz=2.0;
|
||||
Tracking_1C.early_late_space_chips=0.5;
|
||||
|
||||
|
||||
;######### TELEMETRY DECODER GPS CONFIG ############
|
||||
TelemetryDecoder_1C.implementation=GPS_L1_CA_Telemetry_Decoder
|
||||
TelemetryDecoder_1C.dump=false
|
||||
|
||||
|
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;######### OBSERVABLES CONFIG ############
|
||||
Observables.implementation=Hybrid_Observables
|
||||
Observables.dump=false
|
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Observables.dump_filename=./observables.dat
|
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|
||||
|
||||
;######### PVT CONFIG ############
|
||||
PVT.implementation=RTKLIB_PVT
|
||||
PVT.positioning_mode=PPP_Static ; options: Single, Static, Kinematic, PPP_Static, PPP_Kinematic
|
||||
PVT.iono_model=Broadcast ; options: OFF, Broadcast, SBAS, Iono-Free-LC, Estimate_STEC, IONEX
|
||||
PVT.trop_model=Saastamoinen ; options: OFF, Saastamoinen, SBAS, Estimate_ZTD, Estimate_ZTD_Grad
|
||||
PVT.output_rate_ms=100
|
||||
PVT.display_rate_ms=500
|
||||
PVT.dump_filename=./PVT
|
||||
PVT.nmea_dump_filename=./gnss_sdr_pvt.nmea;
|
||||
PVT.flag_nmea_tty_port=false;
|
||||
PVT.nmea_dump_devname=/dev/pts/4
|
||||
PVT.flag_rtcm_server=false
|
||||
PVT.flag_rtcm_tty_port=false
|
||||
PVT.rtcm_dump_devname=/dev/pts/1
|
||||
PVT.dump=false
|
||||
@ -21,6 +21,38 @@ list(SORT SIGNAL_SOURCE_ADAPTER_HEADERS)
|
||||
|
||||
# Optional drivers
|
||||
|
||||
if(ENABLE_RAW_UDP)
|
||||
# - Try to find libpcap include dirs and libraries
|
||||
#
|
||||
# Usage of this module as follows:
|
||||
#
|
||||
# find_package(PCAP)
|
||||
#
|
||||
# Variables used by this module, they can change the default behaviour and need
|
||||
# to be set before calling find_package:
|
||||
#
|
||||
# PCAP_ROOT_DIR Set this variable to the root installation of
|
||||
# libpcap if the module has problems finding the
|
||||
# proper installation path.
|
||||
#
|
||||
# Variables defined by this module:
|
||||
#
|
||||
# PCAP_FOUND System has libpcap, include and library dirs found
|
||||
# PCAP_INCLUDE_DIR The libpcap include directories.
|
||||
# PCAP_LIBRARY The libpcap library (possibly includes a thread
|
||||
# library e.g. required by pf_ring's libpcap)
|
||||
# HAVE_PF_RING If a found version of libpcap supports PF_RING
|
||||
find_package(PCAP)
|
||||
if(NOT PCAP_FOUND)
|
||||
message(FATAL_ERROR "PCAP required to compile custom UDP packet sample source (ENABLE_RAW_UDP)")
|
||||
endif()
|
||||
get_filename_component(PCAP_LIBRARY_DIRS ${PCAP_LIBRARY} DIRECTORY CACHE)
|
||||
set(OPT_LIBRARIES ${OPT_LIBRARIES} ${PCAP_LIBRARIES})
|
||||
set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${PCAP_INCLUDE_DIRS})
|
||||
set(OPT_DRIVER_SOURCES ${OPT_DRIVER_SOURCES} custom_udp_signal_source.cc)
|
||||
|
||||
endif(ENABLE_RAW_UDP)
|
||||
|
||||
if(ENABLE_PLUTOSDR OR ENABLE_FMCOMMS2)
|
||||
find_package(iio REQUIRED)
|
||||
if(NOT IIO_FOUND)
|
||||
|
||||
@ -0,0 +1,169 @@
|
||||
/*!
|
||||
* \file udp_signal_source.cc
|
||||
*
|
||||
* \brief Receives ip frames containing samples in UDP frame encapsulation
|
||||
* using a high performance packet capture library (libpcap)
|
||||
* \author Javier Arribas jarribas (at) cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR 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.
|
||||
*
|
||||
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
#include "custom_udp_signal_source.h"
|
||||
#include "configuration_interface.h"
|
||||
#include "GPS_L1_CA.h"
|
||||
#include <boost/format.hpp>
|
||||
#include <glog/logging.h>
|
||||
#include <iostream>
|
||||
|
||||
|
||||
using google::LogMessage;
|
||||
|
||||
|
||||
CustomUDPSignalSource::CustomUDPSignalSource(ConfigurationInterface* configuration,
|
||||
std::string role, unsigned int in_stream, unsigned int out_stream,
|
||||
boost::shared_ptr<gr::msg_queue> queue) : role_(role), in_stream_(in_stream), out_stream_(out_stream), queue_(queue)
|
||||
{
|
||||
// DUMP PARAMETERS
|
||||
std::string empty = "";
|
||||
std::string default_dump_file = "./data/signal_source.dat";
|
||||
std::string default_item_type = "gr_complex";
|
||||
dump_ = configuration->property(role + ".dump", false);
|
||||
dump_filename_ = configuration->property(role + ".dump_filename",
|
||||
default_dump_file);
|
||||
|
||||
// network PARAMETERS
|
||||
std::string default_capture_device = "eth0";
|
||||
std::string default_address = "127.0.0.1";
|
||||
int default_port = 1234;
|
||||
std::string address = configuration->property(role + ".origin_address", default_address);
|
||||
std::string capture_device = configuration->property(role + ".capture_device", default_capture_device);
|
||||
int port = configuration->property(role + ".port", default_port);
|
||||
int payload_bytes = configuration->property(role + ".payload_bytes", 1024);
|
||||
|
||||
|
||||
RF_channels_ = configuration->property(role + ".RF_channels", 1);
|
||||
channels_in_udp_ = configuration->property(role + ".channels_in_udp", 1);
|
||||
IQ_swap_ = configuration->property(role + ".IQ_swap", false);
|
||||
|
||||
std::string default_sample_type = "cbyte";
|
||||
std::string sample_type = configuration->property(role + ".sample_type", default_sample_type);
|
||||
item_type_ = configuration->property(role + ".item_type", default_item_type);
|
||||
//output item size is always gr_complex
|
||||
item_size_ = sizeof(gr_complex);
|
||||
|
||||
udp_gnss_rx_source_ = gr_complex_ip_packet_source::make(capture_device,
|
||||
address,
|
||||
port,
|
||||
payload_bytes,
|
||||
channels_in_udp_,
|
||||
sample_type,
|
||||
item_size_,
|
||||
IQ_swap_);
|
||||
|
||||
if (channels_in_udp_ >= RF_channels_)
|
||||
{
|
||||
for (int n = 0; n < channels_in_udp_; n++)
|
||||
{
|
||||
null_sinks_.push_back(gr::blocks::null_sink::make(sizeof(gr_complex)));
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "Configuration error: RF_channels<channels_in_use" << std::endl;
|
||||
exit(0);
|
||||
}
|
||||
|
||||
|
||||
if (dump_)
|
||||
{
|
||||
for (int n = 0; n < channels_in_udp_; n++)
|
||||
{
|
||||
DLOG(INFO) << "Dumping output into file " << (dump_filename_ + "c_h" + std::to_string(n) + ".bin");
|
||||
file_sink_.push_back(gr::blocks::file_sink::make(item_size_, (dump_filename_ + "_ch" + std::to_string(n) + ".bin").c_str()));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
CustomUDPSignalSource::~CustomUDPSignalSource()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
void CustomUDPSignalSource::connect(gr::top_block_sptr top_block)
|
||||
{
|
||||
//connect null sinks to unused streams
|
||||
for (int n = 0; n < channels_in_udp_; n++)
|
||||
{
|
||||
top_block->connect(udp_gnss_rx_source_, n, null_sinks_.at(n), 0);
|
||||
}
|
||||
DLOG(INFO) << "connected udp_source to null_sinks to enable the use of spare channels" << std::endl;
|
||||
|
||||
if (dump_)
|
||||
{
|
||||
for (int n = 0; n < channels_in_udp_; n++)
|
||||
{
|
||||
top_block->connect(udp_gnss_rx_source_, n, file_sink_.at(n), 0);
|
||||
DLOG(INFO) << "connected source to file sink";
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void CustomUDPSignalSource::disconnect(gr::top_block_sptr top_block)
|
||||
{
|
||||
//disconnect null sinks to unused streams
|
||||
for (int n = 0; n < channels_in_udp_; n++)
|
||||
{
|
||||
top_block->disconnect(udp_gnss_rx_source_, n, null_sinks_.at(n), 0);
|
||||
}
|
||||
if (dump_)
|
||||
{
|
||||
for (int n = 0; n < channels_in_udp_; n++)
|
||||
{
|
||||
top_block->disconnect(udp_gnss_rx_source_, n, file_sink_.at(n), 0);
|
||||
DLOG(INFO) << "disconnected source to file sink";
|
||||
}
|
||||
}
|
||||
DLOG(INFO) << "disconnected udp_source" << std::endl;
|
||||
}
|
||||
|
||||
|
||||
gr::basic_block_sptr CustomUDPSignalSource::get_left_block()
|
||||
{
|
||||
LOG(WARNING) << "Left block of a signal source should not be retrieved";
|
||||
return gr::block_sptr();
|
||||
}
|
||||
|
||||
|
||||
gr::basic_block_sptr CustomUDPSignalSource::get_right_block()
|
||||
{
|
||||
return udp_gnss_rx_source_;
|
||||
}
|
||||
|
||||
gr::basic_block_sptr CustomUDPSignalSource::get_right_block(__attribute__((unused)) int RF_channel)
|
||||
{
|
||||
return udp_gnss_rx_source_;
|
||||
}
|
||||
105
src/algorithms/signal_source/adapters/custom_udp_signal_source.h
Normal file
105
src/algorithms/signal_source/adapters/custom_udp_signal_source.h
Normal file
@ -0,0 +1,105 @@
|
||||
/*!
|
||||
* \file udp_signal_source.h
|
||||
*
|
||||
* \brief Receives ip frames containing samples in UDP frame encapsulation
|
||||
* using a high performance packet capture library (libpcap)
|
||||
* \author Javier Arribas jarribas (at) cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR 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.
|
||||
*
|
||||
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
#ifndef GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H
|
||||
#define GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H
|
||||
|
||||
#include "gnss_block_interface.h"
|
||||
#include "gr_complex_ip_packet_source.h"
|
||||
#include <boost/shared_ptr.hpp>
|
||||
#include <gnuradio/msg_queue.h>
|
||||
#include <gnuradio/blocks/file_sink.h>
|
||||
#include <gnuradio/blocks/null_sink.h>
|
||||
#include <stdexcept>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
|
||||
class ConfigurationInterface;
|
||||
|
||||
/*!
|
||||
* \brief This class reads from UDP packets, which streams interleaved
|
||||
* I/Q samples over a network.
|
||||
*/
|
||||
class CustomUDPSignalSource : public GNSSBlockInterface
|
||||
{
|
||||
public:
|
||||
CustomUDPSignalSource(ConfigurationInterface* configuration,
|
||||
std::string role, unsigned int in_stream,
|
||||
unsigned int out_stream, boost::shared_ptr<gr::msg_queue> queue);
|
||||
|
||||
virtual ~CustomUDPSignalSource();
|
||||
|
||||
inline std::string role() override
|
||||
{
|
||||
return role_;
|
||||
}
|
||||
|
||||
/*!
|
||||
* \brief Returns "UDP_Signal_Source"
|
||||
*/
|
||||
inline std::string implementation() override
|
||||
{
|
||||
return "Custom_UDP_Signal_Source";
|
||||
}
|
||||
|
||||
inline size_t item_size() override
|
||||
{
|
||||
return item_size_;
|
||||
}
|
||||
|
||||
void connect(gr::top_block_sptr top_block) override;
|
||||
void disconnect(gr::top_block_sptr top_block) override;
|
||||
gr::basic_block_sptr get_left_block() override;
|
||||
gr::basic_block_sptr get_right_block() override;
|
||||
gr::basic_block_sptr get_right_block(int RF_channel) override;
|
||||
|
||||
private:
|
||||
std::string role_;
|
||||
|
||||
bool IQ_swap_;
|
||||
int RF_channels_;
|
||||
int channels_in_udp_;
|
||||
unsigned int in_stream_;
|
||||
unsigned int out_stream_;
|
||||
|
||||
std::string item_type_;
|
||||
size_t item_size_;
|
||||
bool dump_;
|
||||
std::string dump_filename_;
|
||||
std::vector<boost::shared_ptr<gr::block>> null_sinks_;
|
||||
gr_complex_ip_packet_source::sptr udp_gnss_rx_source_;
|
||||
std::vector<boost::shared_ptr<gr::block>> file_sink_;
|
||||
boost::shared_ptr<gr::msg_queue> queue_;
|
||||
};
|
||||
|
||||
#endif /*GNSS_SDR_CUSTOM_UDP_SIGNAL_SOURCE_H */
|
||||
@ -17,14 +17,48 @@
|
||||
#
|
||||
|
||||
|
||||
if(ENABLE_RAW_UDP)
|
||||
# - Try to find libpcap include dirs and libraries
|
||||
#
|
||||
# Usage of this module as follows:
|
||||
#
|
||||
# find_package(PCAP)
|
||||
#
|
||||
# Variables used by this module, they can change the default behaviour and need
|
||||
# to be set before calling find_package:
|
||||
#
|
||||
# PCAP_ROOT_DIR Set this variable to the root installation of
|
||||
# libpcap if the module has problems finding the
|
||||
# proper installation path.
|
||||
#
|
||||
# Variables defined by this module:
|
||||
#
|
||||
# PCAP_FOUND System has libpcap, include and library dirs found
|
||||
# PCAP_INCLUDE_DIR The libpcap include directories.
|
||||
# PCAP_LIBRARY The libpcap library (possibly includes a thread
|
||||
# library e.g. required by pf_ring's libpcap)
|
||||
# HAVE_PF_RING If a found version of libpcap supports PF_RING
|
||||
find_package(PCAP)
|
||||
if(NOT PCAP_FOUND)
|
||||
message(FATAL_ERROR "PCAP required to compile custom UDP packet sample source (ENABLE_RAW_UDP)")
|
||||
endif()
|
||||
get_filename_component(PCAP_LIBRARY_DIRS ${PCAP_LIBRARY} DIRECTORY CACHE)
|
||||
set(OPT_LIBRARIES ${OPT_LIBRARIES} ${PCAP_LIBRARIES})
|
||||
set(OPT_DRIVER_INCLUDE_DIRS ${OPT_DRIVER_INCLUDE_DIRS} ${PCAP_INCLUDE_DIRS})
|
||||
set(OPT_DRIVER_SOURCES ${OPT_DRIVER_SOURCES} gr_complex_ip_packet_source.cc)
|
||||
|
||||
endif(ENABLE_RAW_UDP)
|
||||
|
||||
set(SIGNAL_SOURCE_GR_BLOCKS_SOURCES
|
||||
unpack_byte_2bit_samples.cc
|
||||
unpack_byte_2bit_cpx_samples.cc
|
||||
unpack_byte_4bit_samples.cc
|
||||
unpack_intspir_1bit_samples.cc
|
||||
rtl_tcp_signal_source_c.cc
|
||||
unpack_2bit_samples.cc
|
||||
unpack_spir_gss6450_samples.cc
|
||||
labsat23_source.cc
|
||||
${OPT_DRIVER_SOURCES}
|
||||
)
|
||||
|
||||
include_directories(
|
||||
@ -34,11 +68,17 @@ include_directories(
|
||||
${GFlags_INCLUDE_DIRS}
|
||||
${GNURADIO_RUNTIME_INCLUDE_DIRS}
|
||||
${Boost_INCLUDE_DIRS}
|
||||
${OPT_DRIVER_INCLUDE_DIRS}
|
||||
)
|
||||
|
||||
file(GLOB SIGNAL_SOURCE_GR_BLOCKS_HEADERS "*.h")
|
||||
list(SORT SIGNAL_SOURCE_GR_BLOCKS_HEADERS)
|
||||
add_library(signal_source_gr_blocks ${SIGNAL_SOURCE_GR_BLOCKS_SOURCES} ${SIGNAL_SOURCE_GR_BLOCKS_HEADERS})
|
||||
source_group(Headers FILES ${SIGNAL_SOURCE_GR_BLOCKS_HEADERS})
|
||||
target_link_libraries(signal_source_gr_blocks signal_source_lib ${GNURADIO_RUNTIME_LIBRARIES} ${Boost_LIBRARIES})
|
||||
target_link_libraries(signal_source_gr_blocks
|
||||
signal_source_lib
|
||||
${GNURADIO_RUNTIME_LIBRARIES}
|
||||
${Boost_LIBRARIES}
|
||||
${OPT_LIBRARIES}
|
||||
)
|
||||
add_dependencies(signal_source_gr_blocks glog-${glog_RELEASE})
|
||||
|
||||
@ -0,0 +1,439 @@
|
||||
/*!
|
||||
* \file gr_complex_ip_packet_source.cc
|
||||
*
|
||||
* \brief Receives ip frames containing samples in UDP frame encapsulation
|
||||
* using a high performance packet capture library (libpcap)
|
||||
* \author Javier Arribas jarribas (at) cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR 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.
|
||||
*
|
||||
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
#include <gnuradio/io_signature.h>
|
||||
#include "gr_complex_ip_packet_source.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
|
||||
#define FIFO_SIZE 1472000
|
||||
|
||||
|
||||
/* 4 bytes IP address */
|
||||
typedef struct gr_ip_address
|
||||
{
|
||||
u_char byte1;
|
||||
u_char byte2;
|
||||
u_char byte3;
|
||||
u_char byte4;
|
||||
} gr_ip_address;
|
||||
|
||||
/* IPv4 header */
|
||||
typedef struct gr_ip_header
|
||||
{
|
||||
u_char ver_ihl; // Version (4 bits) + Internet header length (4 bits)
|
||||
u_char tos; // Type of service
|
||||
u_short tlen; // Total length
|
||||
u_short identification; // Identification
|
||||
u_short flags_fo; // Flags (3 bits) + Fragment offset (13 bits)
|
||||
u_char ttl; // Time to live
|
||||
u_char proto; // Protocol
|
||||
u_short crc; // Header checksum
|
||||
gr_ip_address saddr; // Source address
|
||||
gr_ip_address daddr; // Destination address
|
||||
u_int op_pad; // Option + Padding
|
||||
} gr_ip_header;
|
||||
|
||||
/* UDP header*/
|
||||
typedef struct gr_udp_header
|
||||
{
|
||||
u_short sport; // Source port
|
||||
u_short dport; // Destination port
|
||||
u_short len; // Datagram length
|
||||
u_short crc; // Checksum
|
||||
} gr_udp_header;
|
||||
|
||||
gr_complex_ip_packet_source::sptr
|
||||
gr_complex_ip_packet_source::make(std::string src_device,
|
||||
std::string origin_address,
|
||||
int udp_port,
|
||||
int udp_packet_size,
|
||||
int n_baseband_channels,
|
||||
std::string wire_sample_type,
|
||||
size_t item_size,
|
||||
bool IQ_swap_)
|
||||
{
|
||||
return gnuradio::get_initial_sptr(new gr_complex_ip_packet_source(src_device,
|
||||
origin_address,
|
||||
udp_port,
|
||||
udp_packet_size,
|
||||
n_baseband_channels,
|
||||
wire_sample_type,
|
||||
item_size,
|
||||
IQ_swap_));
|
||||
}
|
||||
|
||||
/*
|
||||
* The private constructor
|
||||
*/
|
||||
gr_complex_ip_packet_source::gr_complex_ip_packet_source(std::string src_device,
|
||||
__attribute__((unused)) std::string origin_address,
|
||||
int udp_port,
|
||||
int udp_packet_size,
|
||||
int n_baseband_channels,
|
||||
std::string wire_sample_type,
|
||||
size_t item_size,
|
||||
bool IQ_swap_)
|
||||
: gr::sync_block("gr_complex_ip_packet_source",
|
||||
gr::io_signature::make(0, 0, 0),
|
||||
gr::io_signature::make(1, 4, item_size)) //1 to 4 baseband complex channels
|
||||
{
|
||||
// constructor code here
|
||||
std::cout << "Start Ethernet packet capture\n";
|
||||
|
||||
d_n_baseband_channels = n_baseband_channels;
|
||||
if (wire_sample_type.compare("cbyte") == 0)
|
||||
{
|
||||
d_wire_sample_type = 1;
|
||||
d_bytes_per_sample = d_n_baseband_channels * 2;
|
||||
}
|
||||
else if (wire_sample_type.compare("c4bits") == 0)
|
||||
{
|
||||
d_wire_sample_type = 2;
|
||||
d_bytes_per_sample = d_n_baseband_channels;
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << "Unknown wire sample type\n";
|
||||
exit(0);
|
||||
}
|
||||
std::cout << "d_wire_sample_type:" << d_wire_sample_type << std::endl;
|
||||
d_src_device = src_device;
|
||||
d_udp_port = udp_port;
|
||||
d_udp_payload_size = udp_packet_size;
|
||||
d_fifo_full = false;
|
||||
|
||||
//allocate signal samples buffer
|
||||
fifo_buff = new char[FIFO_SIZE];
|
||||
fifo_read_ptr = 0;
|
||||
fifo_write_ptr = 0;
|
||||
fifo_items = 0;
|
||||
d_item_size = item_size;
|
||||
d_IQ_swap = IQ_swap_;
|
||||
d_sock_raw = 0;
|
||||
d_pcap_thread = NULL;
|
||||
descr = NULL;
|
||||
}
|
||||
|
||||
|
||||
//Called by gnuradio to enable drivers, etc for i/o devices.
|
||||
bool gr_complex_ip_packet_source::start()
|
||||
{
|
||||
std::cout << "gr_complex_ip_packet_source START\n";
|
||||
//open the ethernet device
|
||||
if (open() == true)
|
||||
{
|
||||
// start pcap capture thread
|
||||
d_pcap_thread = new boost::thread(boost::bind(&gr_complex_ip_packet_source::my_pcap_loop_thread, this, descr));
|
||||
return true;
|
||||
}
|
||||
else
|
||||
{
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
//Called by gnuradio to disable drivers, etc for i/o devices.
|
||||
bool gr_complex_ip_packet_source::stop()
|
||||
{
|
||||
std::cout << "gr_complex_ip_packet_source STOP\n";
|
||||
if (descr != NULL)
|
||||
{
|
||||
pcap_breakloop(descr);
|
||||
d_pcap_thread->join();
|
||||
pcap_close(descr);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool gr_complex_ip_packet_source::open()
|
||||
{
|
||||
char errbuf[PCAP_ERRBUF_SIZE];
|
||||
boost::mutex::scoped_lock lock(d_mutex); // hold mutex for duration of this function
|
||||
/* open device for reading */
|
||||
descr = pcap_open_live(d_src_device.c_str(), 1500, 1, 1000, errbuf);
|
||||
if (descr == NULL)
|
||||
{
|
||||
std::cout << "Error openning Ethernet device " << d_src_device << std::endl;
|
||||
printf("Fatal Error in pcap_open_live(): %s\n", errbuf);
|
||||
return false;
|
||||
}
|
||||
//bind UDP port to avoid automatic reply with ICMP port ureacheable packets from kernel
|
||||
d_sock_raw = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
||||
if (d_sock_raw == -1)
|
||||
{
|
||||
std::cout << "Error openning UDP socket" << std::endl;
|
||||
return false;
|
||||
}
|
||||
|
||||
// zero out the structure
|
||||
memset((char *)&si_me, 0, sizeof(si_me));
|
||||
|
||||
si_me.sin_family = AF_INET;
|
||||
si_me.sin_port = htons(d_udp_port);
|
||||
si_me.sin_addr.s_addr = htonl(INADDR_ANY);
|
||||
|
||||
//bind socket to port
|
||||
if (bind(d_sock_raw, (struct sockaddr *)&si_me, sizeof(si_me)) == -1)
|
||||
{
|
||||
std::cout << "Error openning UDP socket" << std::endl;
|
||||
return false;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
gr_complex_ip_packet_source::~gr_complex_ip_packet_source()
|
||||
{
|
||||
if (d_pcap_thread != NULL)
|
||||
{
|
||||
delete d_pcap_thread;
|
||||
}
|
||||
delete fifo_buff;
|
||||
std::cout << "Stop Ethernet packet capture\n";
|
||||
}
|
||||
|
||||
void gr_complex_ip_packet_source::static_pcap_callback(u_char *args, const struct pcap_pkthdr *pkthdr,
|
||||
const u_char *packet)
|
||||
{
|
||||
gr_complex_ip_packet_source *bridge = (gr_complex_ip_packet_source *)args;
|
||||
bridge->pcap_callback(args, pkthdr, packet);
|
||||
}
|
||||
|
||||
void gr_complex_ip_packet_source::pcap_callback(__attribute__((unused)) u_char *args, __attribute__((unused)) const struct pcap_pkthdr *pkthdr,
|
||||
const u_char *packet)
|
||||
{
|
||||
boost::mutex::scoped_lock lock(d_mutex); // hold mutex for duration of this function
|
||||
|
||||
gr_ip_header *ih;
|
||||
gr_udp_header *uh;
|
||||
|
||||
// eth frame parameters
|
||||
// **** UDP RAW PACKET DECODER ****
|
||||
if ((packet[12] == 0x08) & (packet[13] == 0x00)) //IP FRAME
|
||||
{
|
||||
/* retireve the position of the ip header */
|
||||
ih = (gr_ip_header *)(packet +
|
||||
14); //length of ethernet header
|
||||
|
||||
/* retireve the position of the udp header */
|
||||
u_int ip_len;
|
||||
ip_len = (ih->ver_ihl & 0xf) * 4;
|
||||
uh = (gr_udp_header *)((u_char *)ih + ip_len);
|
||||
|
||||
/* convert from network byte order to host byte order */
|
||||
//u_short sport;
|
||||
u_short dport;
|
||||
dport = ntohs(uh->dport);
|
||||
//sport = ntohs(uh->sport);
|
||||
if (dport == d_udp_port)
|
||||
{
|
||||
// print ip addresses and udp ports
|
||||
// printf("%d.%d.%d.%d.%d -> %d.%d.%d.%d.%d\n",
|
||||
// ih->saddr.byte1,
|
||||
// ih->saddr.byte2,
|
||||
// ih->saddr.byte3,
|
||||
// ih->saddr.byte4,
|
||||
// sport,
|
||||
// ih->daddr.byte1,
|
||||
// ih->daddr.byte2,
|
||||
// ih->daddr.byte3,
|
||||
// ih->daddr.byte4,
|
||||
// dport);
|
||||
// std::cout<<"uh->len:"<<ntohs(uh->len)<<std::endl;
|
||||
|
||||
int payload_lenght_bytes = ntohs(uh->len) - 8; //total udp packet lenght minus the header lenght
|
||||
//read the payload bytes and insert them into the shared circular buffer
|
||||
u_char *udp_payload = ((u_char *)uh + sizeof(gr_udp_header));
|
||||
if (fifo_items <= (FIFO_SIZE - payload_lenght_bytes))
|
||||
{
|
||||
int aligned_write_items = FIFO_SIZE - fifo_write_ptr;
|
||||
if (aligned_write_items >= payload_lenght_bytes)
|
||||
{
|
||||
//write all in a single memcpy
|
||||
memcpy(&fifo_buff[fifo_write_ptr], &udp_payload[0], payload_lenght_bytes); //size in bytes
|
||||
fifo_write_ptr += payload_lenght_bytes;
|
||||
if (fifo_write_ptr == FIFO_SIZE) fifo_write_ptr = 0;
|
||||
fifo_items += payload_lenght_bytes;
|
||||
}
|
||||
else
|
||||
{
|
||||
//two step wrap write
|
||||
memcpy(&fifo_buff[fifo_write_ptr], &udp_payload[0], aligned_write_items); //size in bytes
|
||||
fifo_write_ptr = payload_lenght_bytes - aligned_write_items;
|
||||
memcpy(&fifo_buff[0], &udp_payload[aligned_write_items], fifo_write_ptr); //size in bytes
|
||||
fifo_items += payload_lenght_bytes;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
//notify overflow
|
||||
std::cout << "O" << std::flush;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void gr_complex_ip_packet_source::my_pcap_loop_thread(pcap_t *pcap_handle)
|
||||
|
||||
{
|
||||
pcap_loop(pcap_handle, -1, gr_complex_ip_packet_source::static_pcap_callback, (u_char *)this);
|
||||
}
|
||||
|
||||
void gr_complex_ip_packet_source::demux_samples(gr_vector_void_star output_items, int num_samples_readed)
|
||||
{
|
||||
int8_t real;
|
||||
int8_t imag;
|
||||
uint8_t tmp_char2;
|
||||
for (int n = 0; n < num_samples_readed; n++)
|
||||
{
|
||||
switch (d_wire_sample_type)
|
||||
{
|
||||
case 1: //interleaved byte samples
|
||||
for (int i = 0; i < output_items.size(); i++)
|
||||
{
|
||||
real = fifo_buff[fifo_read_ptr++];
|
||||
imag = fifo_buff[fifo_read_ptr++];
|
||||
if (d_IQ_swap)
|
||||
{
|
||||
((gr_complex *)output_items[i])[n] = gr_complex(real, imag);
|
||||
}
|
||||
else
|
||||
{
|
||||
((gr_complex *)output_items[i])[n] = gr_complex(imag, real);
|
||||
}
|
||||
}
|
||||
break;
|
||||
case 2: // 4bits samples
|
||||
for (int i = 0; i < output_items.size(); i++)
|
||||
{
|
||||
tmp_char2 = fifo_buff[fifo_read_ptr] & 0x0F;
|
||||
if (tmp_char2 >= 8)
|
||||
{
|
||||
real = 2 * (tmp_char2 - 16) + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
real = 2 * tmp_char2 + 1;
|
||||
}
|
||||
tmp_char2 = fifo_buff[fifo_read_ptr++] >> 4;
|
||||
tmp_char2 = tmp_char2 & 0x0F;
|
||||
if (tmp_char2 >= 8)
|
||||
{
|
||||
imag = 2 * (tmp_char2 - 16) + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
imag = 2 * tmp_char2 + 1;
|
||||
}
|
||||
if (d_IQ_swap)
|
||||
{
|
||||
((gr_complex *)output_items[i])[n] = gr_complex(imag, real);
|
||||
}
|
||||
else
|
||||
{
|
||||
((gr_complex *)output_items[i])[n] = gr_complex(real, imag);
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
std::cout << "Unknown wire sample type\n";
|
||||
exit(0);
|
||||
}
|
||||
if (fifo_read_ptr == FIFO_SIZE) fifo_read_ptr = 0;
|
||||
}
|
||||
}
|
||||
|
||||
int gr_complex_ip_packet_source::work(int noutput_items,
|
||||
__attribute__((unused)) gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items)
|
||||
{
|
||||
// send samples to next GNU Radio block
|
||||
boost::mutex::scoped_lock lock(d_mutex); // hold mutex for duration of this function
|
||||
if (fifo_items == 0) return 0;
|
||||
|
||||
if (output_items.size() > d_n_baseband_channels)
|
||||
{
|
||||
std::cout << "Configuration error: more baseband channels connected than the available in the UDP source\n";
|
||||
exit(0);
|
||||
}
|
||||
int num_samples_readed;
|
||||
int bytes_requested;
|
||||
switch (d_wire_sample_type)
|
||||
{
|
||||
case 1: //complex byte samples
|
||||
bytes_requested = noutput_items * d_bytes_per_sample;
|
||||
if (bytes_requested < fifo_items)
|
||||
{
|
||||
num_samples_readed = noutput_items; //read all
|
||||
}
|
||||
else
|
||||
{
|
||||
num_samples_readed = fifo_items / d_bytes_per_sample; //read what we have
|
||||
}
|
||||
break;
|
||||
case 2: //complex 4 bits samples
|
||||
bytes_requested = noutput_items * d_bytes_per_sample;
|
||||
if (bytes_requested < fifo_items)
|
||||
{
|
||||
num_samples_readed = noutput_items; //read all
|
||||
}
|
||||
else
|
||||
{
|
||||
num_samples_readed = fifo_items / d_bytes_per_sample; //read what we have
|
||||
}
|
||||
break;
|
||||
default: //complex byte samples
|
||||
bytes_requested = noutput_items * d_bytes_per_sample;
|
||||
if (bytes_requested < fifo_items)
|
||||
{
|
||||
num_samples_readed = noutput_items; //read all
|
||||
}
|
||||
else
|
||||
{
|
||||
num_samples_readed = fifo_items / d_bytes_per_sample; //read what we have
|
||||
}
|
||||
}
|
||||
|
||||
bytes_requested = num_samples_readed * d_bytes_per_sample;
|
||||
//read all in a single loop
|
||||
demux_samples(output_items, num_samples_readed); // it also increases the fifo read pointer
|
||||
//update fifo items
|
||||
fifo_items = fifo_items - bytes_requested;
|
||||
|
||||
for (int n = 0; n < output_items.size(); n++)
|
||||
{
|
||||
produce(n, num_samples_readed);
|
||||
}
|
||||
return this->WORK_CALLED_PRODUCE;
|
||||
}
|
||||
@ -0,0 +1,117 @@
|
||||
/*!
|
||||
* \file gr_complex_ip_packet_source.h
|
||||
*
|
||||
* \brief Receives ip frames containing samples in UDP frame encapsulation
|
||||
* using a high performance packet capture library (libpcap)
|
||||
* \author Javier Arribas jarribas (at) cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2018 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR 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.
|
||||
*
|
||||
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
|
||||
#ifndef INCLUDED_GR_COMPLEX_IP_PACKET_SOURCE_H
|
||||
#define INCLUDED_GR_COMPLEX_IP_PACKET_SOURCE_H
|
||||
|
||||
#include <gnuradio/sync_block.h>
|
||||
#include <boost/thread.hpp>
|
||||
#include <pcap.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <net/if.h>
|
||||
#include <net/ethernet.h>
|
||||
#include <netinet/if_ether.h>
|
||||
#include <sys/ioctl.h>
|
||||
|
||||
class gr_complex_ip_packet_source : virtual public gr::sync_block
|
||||
{
|
||||
private:
|
||||
boost::mutex d_mutex;
|
||||
pcap_t *descr; //ethernet pcap device descriptor
|
||||
|
||||
char *fifo_buff;
|
||||
|
||||
int fifo_read_ptr;
|
||||
int fifo_write_ptr;
|
||||
int fifo_items;
|
||||
int d_sock_raw;
|
||||
int d_udp_port;
|
||||
struct sockaddr_in si_me;
|
||||
std::string d_src_device;
|
||||
std::string d_origin_address;
|
||||
int d_udp_payload_size;
|
||||
bool d_fifo_full;
|
||||
|
||||
int d_n_baseband_channels;
|
||||
int d_wire_sample_type;
|
||||
int d_bytes_per_sample;
|
||||
size_t d_item_size;
|
||||
bool d_IQ_swap;
|
||||
|
||||
boost::thread *d_pcap_thread;
|
||||
/*!
|
||||
* \brief
|
||||
* Opens the ethernet device using libpcap raw capture mode
|
||||
* If any of these fail, the fuction retuns the error and exits.
|
||||
*/
|
||||
bool open();
|
||||
|
||||
void demux_samples(gr_vector_void_star output_items, int num_samples_readed);
|
||||
void my_pcap_loop_thread(pcap_t *pcap_handle);
|
||||
|
||||
void pcap_callback(u_char *args, const struct pcap_pkthdr *pkthdr, const u_char *packet);
|
||||
|
||||
static void static_pcap_callback(u_char *args, const struct pcap_pkthdr *pkthdr, const u_char *packet);
|
||||
|
||||
|
||||
public:
|
||||
typedef boost::shared_ptr<gr_complex_ip_packet_source> sptr;
|
||||
static sptr make(std::string src_device,
|
||||
std::string origin_address,
|
||||
int udp_port,
|
||||
int udp_packet_size,
|
||||
int n_baseband_channels,
|
||||
std::string wire_sample_type,
|
||||
size_t item_size,
|
||||
bool IQ_swap_);
|
||||
gr_complex_ip_packet_source(std::string src_device,
|
||||
std::string origin_address,
|
||||
int udp_port,
|
||||
int udp_packet_size,
|
||||
int n_baseband_channels,
|
||||
std::string wire_sample_type,
|
||||
size_t item_size,
|
||||
bool IQ_swap_);
|
||||
~gr_complex_ip_packet_source();
|
||||
|
||||
// Where all the action really happens
|
||||
int work(int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items);
|
||||
|
||||
//Called by gnuradio to enable drivers, etc for i/o devices.
|
||||
bool start();
|
||||
//Called by gnuradio to disable drivers, etc for i/o devices.
|
||||
bool stop();
|
||||
};
|
||||
|
||||
#endif /* INCLUDED_GR_COMPLEX_IP_PACKET_SOURCE_H */
|
||||
@ -0,0 +1,86 @@
|
||||
/*!
|
||||
* \file unpack_byte_4bit_samples.cc
|
||||
*
|
||||
* \brief Unpacks byte samples to 4 bits samples.
|
||||
* Packing Order
|
||||
* Packing order in Nibble I0 I1 I2 I3 I0 I1 I2 I3
|
||||
* \author Javier Arribas jarribas (at) cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR 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.
|
||||
*
|
||||
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#include "unpack_byte_4bit_samples.h"
|
||||
#include <gnuradio/io_signature.h>
|
||||
|
||||
unpack_byte_4bit_samples_sptr make_unpack_byte_4bit_samples()
|
||||
{
|
||||
return unpack_byte_4bit_samples_sptr(new unpack_byte_4bit_samples());
|
||||
}
|
||||
|
||||
|
||||
unpack_byte_4bit_samples::unpack_byte_4bit_samples() : sync_interpolator("unpack_byte_4bit_samples",
|
||||
gr::io_signature::make(1, 1, sizeof(signed char)),
|
||||
gr::io_signature::make(1, 1, sizeof(signed char)),
|
||||
2)
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
unpack_byte_4bit_samples::~unpack_byte_4bit_samples()
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
int unpack_byte_4bit_samples::work(int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items)
|
||||
{
|
||||
const signed char *in = reinterpret_cast<const signed char *>(input_items[0]);
|
||||
signed char *out = reinterpret_cast<signed char *>(output_items[0]);
|
||||
int n = 0;
|
||||
unsigned char tmp_char2;
|
||||
for (int i = 0; i < noutput_items / 2; i++)
|
||||
{
|
||||
tmp_char2 = in[i] & 0x0F;
|
||||
if (tmp_char2 >= 8)
|
||||
{
|
||||
out[n++] = 2 * (tmp_char2 - 16) + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
out[n++] = 2 * tmp_char2 + 1;
|
||||
}
|
||||
tmp_char2 = in[i] >> 4;
|
||||
tmp_char2 = tmp_char2 & 0x0F;
|
||||
if (tmp_char2 >= 8)
|
||||
{
|
||||
out[n++] = 2 * (tmp_char2 - 16) + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
out[n++] = 2 * tmp_char2 + 1;
|
||||
}
|
||||
}
|
||||
return noutput_items;
|
||||
}
|
||||
@ -0,0 +1,61 @@
|
||||
/*!
|
||||
* \file unpack_byte_4bit_samples.h
|
||||
*
|
||||
* \brief Unpacks byte samples to 4 bits samples.
|
||||
* Packing Order
|
||||
* Packing order in Nibble I0 I1 I2 I3 I0 I1 I2 I3
|
||||
* \author Javier Arribas jarribas (at) cttc.es
|
||||
* -------------------------------------------------------------------------
|
||||
*
|
||||
* Copyright (C) 2010-2015 (see AUTHORS file for a list of contributors)
|
||||
*
|
||||
* GNSS-SDR is a software defined Global Navigation
|
||||
* Satellite Systems receiver
|
||||
*
|
||||
* This file is part of GNSS-SDR.
|
||||
*
|
||||
* GNSS-SDR 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.
|
||||
*
|
||||
* GNSS-SDR 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 GNSS-SDR. If not, see <http://www.gnu.org/licenses/>.
|
||||
*
|
||||
* -------------------------------------------------------------------------
|
||||
*/
|
||||
|
||||
#ifndef GNSS_SDR_unpack_byte_4bit_samples_H
|
||||
#define GNSS_SDR_unpack_byte_4bit_samples_H
|
||||
|
||||
#include <gnuradio/sync_interpolator.h>
|
||||
|
||||
class unpack_byte_4bit_samples;
|
||||
|
||||
typedef boost::shared_ptr<unpack_byte_4bit_samples> unpack_byte_4bit_samples_sptr;
|
||||
|
||||
unpack_byte_4bit_samples_sptr make_unpack_byte_4bit_samples();
|
||||
|
||||
/*!
|
||||
* \brief This class implements conversion between byte packet samples to 4bit_cpx samples
|
||||
* 1 byte = 1 x complex 4bit I, + 4bit Q samples
|
||||
*/
|
||||
class unpack_byte_4bit_samples : public gr::sync_interpolator
|
||||
{
|
||||
private:
|
||||
friend unpack_byte_4bit_samples_sptr make_unpack_byte_4bit_samples_sptr();
|
||||
|
||||
public:
|
||||
unpack_byte_4bit_samples();
|
||||
~unpack_byte_4bit_samples();
|
||||
int work(int noutput_items,
|
||||
gr_vector_const_void_star &input_items,
|
||||
gr_vector_void_star &output_items);
|
||||
};
|
||||
|
||||
#endif
|
||||
@ -40,6 +40,9 @@ if(ENABLE_FPGA)
|
||||
add_definitions(-DENABLE_FPGA=1)
|
||||
endif(ENABLE_FPGA)
|
||||
|
||||
if(ENABLE_RAW_UDP)
|
||||
add_definitions(-DRAW_UDP=1)
|
||||
endif(ENABLE_RAW_UDP)
|
||||
|
||||
if(Boost_VERSION LESS 105000)
|
||||
add_definitions(-DOLD_BOOST=1)
|
||||
|
||||
@ -35,6 +35,7 @@
|
||||
|
||||
|
||||
#include "gnss_block_factory.h"
|
||||
|
||||
#include "configuration_interface.h"
|
||||
#include "in_memory_configuration.h"
|
||||
#include "gnss_block_interface.h"
|
||||
@ -103,6 +104,10 @@
|
||||
#include "hybrid_observables.h"
|
||||
#include "rtklib_pvt.h"
|
||||
|
||||
#if RAW_UDP
|
||||
#include "custom_udp_signal_source.h"
|
||||
#endif
|
||||
|
||||
#if ENABLE_FPGA
|
||||
#include "gps_l1_ca_pcps_acquisition_fpga.h"
|
||||
#include "gps_l1_ca_dll_pll_tracking_fpga.h"
|
||||
@ -158,11 +163,7 @@ using google::LogMessage;
|
||||
|
||||
|
||||
GNSSBlockFactory::GNSSBlockFactory() {}
|
||||
|
||||
|
||||
GNSSBlockFactory::~GNSSBlockFactory() {}
|
||||
|
||||
|
||||
std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetSignalSource(
|
||||
std::shared_ptr<ConfigurationInterface> configuration, gr::msg_queue::sptr queue, int ID)
|
||||
{
|
||||
@ -1052,6 +1053,23 @@ std::unique_ptr<GNSSBlockInterface> GNSSBlockFactory::GetBlock(
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
#if RAW_UDP
|
||||
else if (implementation.compare("Custom_UDP_Signal_Source") == 0)
|
||||
{
|
||||
try
|
||||
{
|
||||
std::unique_ptr<GNSSBlockInterface> block_(new CustomUDPSignalSource(configuration.get(), role, in_streams,
|
||||
out_streams, queue));
|
||||
block = std::move(block_);
|
||||
}
|
||||
|
||||
catch (const std::exception &e)
|
||||
{
|
||||
std::cout << "GNSS-SDR program ended." << std::endl;
|
||||
exit(1);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
else if (implementation.compare("Nsr_File_Signal_Source") == 0)
|
||||
{
|
||||
try
|
||||
|
||||
Loading…
Reference in New Issue
Block a user