[USRP-users] [Discuss-gnuradio] [UHD] Announcing 3.14.0.0 Release Candidate 1

Andre Puschmann andre.puschmann at softwareradiosystems.com
Fri Feb 15 04:16:51 EST 2019


Nate,

thanks for sharing this. Much appreciated. This certainly has enough
potential improvement for us to give it a shot ;-)

Regards,
Andre


On 14/2/19 19:55, Nate Temple via USRP-users wrote:
> Hi Andre,
> 
> The one example I can give at this time is limited and semi-anecdotal as
> I've only tested it on a single machine.
> 
> With an i7-4790k / Intel x520-DA2 and N310, to stream at full duplex,
> over two channels at 125 MS/s, the lowest I can run my CPU clock freq at
> without flow control errors is 3.8 GHz using benchmark_rate and the
> native networking stack. Using DPDK I can run 2x2 @ 125 MS/s with my CPU
> freq locked at 1.5 GHz with no flow control errors.
> 
> Regards,
> Nate Temple
> 
> On Thu, Feb 14, 2019 at 3:57 AM Andre Puschmann
> <andre.puschmann at tu-ilmenau.de <mailto:andre.puschmann at tu-ilmenau.de>>
> wrote:
> 
>     Hey guys,
> 
>     any idea or numbers on the performance improvement using DPDK, e.g. CPU
>     usage during rx/tx streaming, when compared to the legacy approach?
>     Would be great to get a feeling for the achievable gains.
> 
>     Thanks
>     Andre
> 
> 
>     On 13/2/19 20:58, Nick Foster via USRP-users wrote:
>     > Any plans to update to the latest API? Won't compile with anything
>     after
>     > 17.05.
>     >
>     > On Wed, Feb 13, 2019, 11:33 AM Michael West
>     > <michael.west at ettus.com <mailto:michael.west at ettus.com>
>     > <mailto:michael.west at ettus.com <mailto:michael.west at ettus.com>>>
>     wrote:
>     >
>     >     Hi Nick,
>     >
>     >     Information on using DPDK can be found here: 
>     >     http://files.ettus.com/manual/page_dpdk.html
>     >
>     >     DPDK can be used with any example.  Think of it as an accelerator
>     >     for Ethernet transports if using Intel NICs.
>     >
>     >     Regards,
>     >     Michael
>     >
>     >     On Thu, Feb 7, 2019 at 10:29 AM Nick Foster
>     >     <bistromath at gmail.com <mailto:bistromath at gmail.com>
>     >     <mailto:bistromath at gmail.com <mailto:bistromath at gmail.com>>>
>     wrote:
>     >
>     >         Great news! DPDK support is an interesting development. Is
>     there
>     >         any documentation or examples which show this capability?
>     >
>     >         Nick
>     >
>     >
>     >         On Thu, Feb 7, 2019 at 10:05 AM Michael West via USRP-users
>     >         <usrp-users at lists.ettus.com
>     <mailto:usrp-users at lists.ettus.com>
>     >         <mailto:usrp-users at lists.ettus.com
>     <mailto:usrp-users at lists.ettus.com>>> wrote:
>     >
>     >             The release candidate of UHD version 3.14.0.0 has been
>     >             tagged and is available for testing.  This API release
>     >             introduces support for the N320 and N321 USRPs soon to be
>     >             released (watch for the announcement on ettus.com
>     <http://ettus.com>
>     >             <http://ettus.com>!), a DPDK-based transport, and several
>     >             other features and bug fixes.  This release includes
>     all bug
>     >             fixes and enhancements in the 3.13.0.1, 3.13.0.2, and
>     >             3.13.1.0 maintenance releases.
>     >
>     >             The tag for this release candidate:
>     >           
>      https://github.com/EttusResearch/uhd/releases/tag/v3.14.0.0-rc1
>     >
>     >             There have been 406 commits since the last API release
>     >             (3.13.0.0)which can be viewed here:
>     >           
>      https://github.com/EttusResearch/uhd/compare/v3.13.0.0...v3.14.0.0-rc1
>     >
>     >             Please report any bugs found on the UHD issue tracker:
>     >             http://github.com/EttusResearch/uhd/issues
>     >             * Please do not use the issue tracker for help or support.
>     >
>     >             Pull requests for direct code changes may be submitted to
>     >             the UHD or FPGA repositories:
>     >             http://github.com/EttusResearch/uhd/pulls
>     >             http://github.com/EttusResearch/fpga/pulls
>     >
>     >             CHANGELOG:
>     >             ## 003.014.000.000
>     >             * N320: Add N320 and N321
>     >             * Test: Add Python API test
>     >             * Device3: Move from packet-based to byte-based flow
>     control
>     >             * X300: Reduce default send_frame_size to 4000 over
>     Ethernet
>     >             * UHD: Release recv buffers earlier in rx_streamer
>     >             * Device3: Constrain send_buff_size to input fifo size
>     >             * X300: Change Ethernet buffering
>     >             * MPMD: Parallelize broadcast-finding
>     >             * Device: Parallelize device discovery
>     >             * Docs: Fix Doxygen warnings
>     >             * B100: Move fifo_ctrl_excelsior to b100 subdir
>     >             * B100: Fix fifo_ctrl_excelsior not exiting
>     >             * B100: Remove all Boostisms from fifo_ctrl_excelsior
>     >             * B100: Demote some clocking-related log messages to trace
>     >             * X300: Log git hash and compat number as debug message
>     >             * N310: Modify AD9371 reset function to keep it in reset
>     >             * N3xx: clocking API changes for transitioning clock and
>     >             time sources
>     >             * E320: bist: Fix ref_clock lock test implementation
>     >             * UHD: Fix ADF400x driver for ref counter and charge
>     pump mode
>     >             * E320: bist: Add link_up test
>     >             * MPM: Get list of temperatures from all thermal zones
>     >             * E320: Add all 5 temp sensors, fan sensor and rssi
>     sensors
>     >             per channel
>     >             * E320: Fix tx/rx atr - antenna and frequency settings
>     >             * E320: Enable devtest for E320
>     >             * X300: Move defaults to their own header
>     >             * UHD: Improve constrained_device_args_t
>     >             * X300: Use constrained_args
>     >             * X300: Enable clock_source and time_source device args
>     >             * Test: Integrate Python API Tester into Devtest
>     >             * N3xx: Bump max rev to G/6
>     >             * N3xx: Improve error messages for invalid clock/time
>     settings
>     >             * E320: images: Separate images package for Aurora image
>     >             * B200: Remove superfluous fake lambda
>     >             * B200: Add support for user regs
>     >             * Docs: Add info on how to implement user regs on B200
>     >             * UHD API: Add multi_usrp::get_user_settings_iface()
>     >             * N310: move init_rf_cal before JESD de/framer bringup
>     >             * UHD: Remove usage of time_t (except when required)
>     >             * NIRIO: Demote RPC client cancel/abort to TRACE
>     >             * RFNoC: Convert SR_READBACK_REG_FIFOSIZE to bytes
>     >             * Utils: Add Zip test to downloader
>     >             * Utils: Factor wait_for_lo_lock() out of cal utils
>     >             * DPDK: Add DPDK-based sockets-like library
>     >             * MPMD: add option to enum rfnoc blocks from args
>     >             * E320: Get RFNoC crossbar baseport from FPGA
>     >             * N3xx: Get RFNoC crossbar baseport from FPGA
>     >             * UHD: add default xport params to udp_zero_copy
>     >             * MPM: add link_speed xport_info
>     >             * MPMD: add link speed to xport udp
>     >             * Device3: remove tx_hint[send_buff_size]
>     >             * X300: remove default_buff_args properties
>     >             * RFNoC: Add ability to enable/disable RX timestamp
>     >             * RFNoC: add async message handler
>     >             * Examples: add rfnoc_radio_loopback example
>     >             * UHD: Update rx_frontend_gen3.v controls for 1/4-rate
>     mixer
>     >             * UHD API: Move definition of ALL_MBOARDS and ALL_CHANS
>     >             constants to
>     >                        CPP file.
>     >             * MPM: Add __mpm_device__ as usrp_hwd module variable
>     >             * MPM: Add usrp_update_fs
>     >             * UHD: Add traffic counter to null source sink
>     >             * Examples: Add benchmark_streamer example
>     >             * Tools: Add tool to analyze settling time of gain and
>     freq
>     >             changes
>     >             * UHD API: Add multi_usrp::set_sync_source() API
>     >             * UHD: Improve documentation for the UHD exception types
>     >             * Examples: Add dual measurements to benchmark_streamer
>     >             * MPM: Add i2c APIs for simple transfers
>     >             * MPM: Add vector-based transfer function for i2c
>     >             * UHD: Improve documentation for
>     set_{time,clock,sync}_source
>     >             * CMake: Bump CMake minimum version to 2.8.12
>     >             * MPM: Add variable configuration support to nijesdcore
>     >             * MPM: Add eyescan utility to nijesdcore
>     >             * MPM: Add PRBS-31 testing to nijesdcore
>     >             * CMake: Change SOVERSION and VERSION for the library
>     files
>     >             * Test: Add graph impl test to device3_test
>     >             * RFNoC: Changes to traffic counter register names
>     >             * X300: Remove 120 MHz master_clock_rate option
>     >             * MPM: Add convenience function to pull i2c bus from
>     device tree
>     >             * UHD: add .clang-format file
>     >             * MPM: Open and close i2c file descriptor on every access
>     >             * UHD: Add device arg to enable dual ethernet for tx
>     >             * Test: Retrofit sph test to use new mock transport
>     >             * X300: Set minimum master clock rate to 184.32 MHz
>     >             * RFNoC: Fix replay example port args
>     >             * RFNoC: Fix default SPP for replay
>     >             * RFNoC: Add halt to replay API
>     >             * UHD API: Add sync source to Python API
>     >             * Examples: Clean up rfnoc_radio_loopback example
>     >             * UHD: Improve compatibility of abs() calls
>     >             * UHD: include <stdint.h> for int64_t for time_spec
>     >             * USRP-2974: Add support for USRP-2974
>     >             * UHD API: Add support for Tx LO control to C API
>     >             * E310: Fix initialization of antenna and frequency values
>     >             * Test: Enable rx_samples_to_file in devtest for X300
>     >             * Examples: Add keyboard controls to rx_ascii_art_dft
>     >             * Examples: Add benchmark_streamer support for
>     multi-channel
>     >             streamer
>     >             * MPM: Multiprocessing instead of threading for
>     claimer loop
>     >             * MPM: Factor out user EEPROM code into own module
>     >             * RFNoC: Fix late packet errors
>     >             * X300: Factor our PID -> MB type and MB type -> product
>     >             name mapping
>     >             * X300: Remove usage of boost::bind
>     >             * Docs: Add manual page on compat numbers
>     >             * UHD: Updates to coding guidelines
>     >             * Examples: Optimize benchmark_rate start time
>     >             * Examples: Improve formatting and comments in
>     tx_waveforms
>     >             * Examples: Optimize tx_waveforms memory allocations
>     >             * UHD: Fix MSVC warnings by changing a size_t to
>     unsigned int or
>     >                    uint32_t
>     >             * Test: Fix CMake `endif` warning for devtest
>     >             * MPM: Add gpgga sensor function to GPSd iface
>     >             * Test: Fix compiler warning about unused timestamp
>     >             * X300: Fix compiler warnings related to type conversions
>     >             * B200: Fix compiler warnings related to type conversions
>     >             * Test: Add #include <thread> in system time test
>     >             * Examples: change boost to std for time commands
>     >             * UHD: Add potentially missing but sometimes inferred
>     >             include for
>     >                    experts
>     >             * UHD: Add default xport params to udp_wsa_zero_copy
>     >             * Examples: Add LO Offset to rx_samples_to_file
>     >             * Examples: update lo-offset naming in tx from file
>     >             * Examples: Add lo-offset to tx_waveforms
>     >             * UHD: Move device3 flow control functions to header for
>     >             benchmark
>     >                    utility
>     >             * Test: Add benchmark of streaming code paths
>     >             * MPMD: Add API to set RPC timeout atomically
>     >             * MPMD: Move timeout constants to header
>     >             * MPMD: Use new RPC API with timeout
>     >             * MPMD: Increase claim_rpc call timeout
>     >             * Examples: Improved error message in tx_waveforms
>     >             * UHD: Make sure BOOST_VERSION is always available
>     >             * Docs: Add comments for TwinRX and MCR
>     >             * DPDK: Add ARP responder, set MTU, and clean up API
>     >             * DPDK: Add blocking recv calls to uhd-dpdk
>     >             * DPDK: Add dpdk_zero_copy transport
>     >             * Test: Add unit test for DPDK transport
>     >             * Test: Add arguments to dpdk_test to control core mapping
>     >             * DPDK: Move uhd-dpdk header to uhdlib
>     >             * UHD: Make clang-format skip formatting for some data
>     >             structures
>     >             * UHD: Remove vim hints in headers
>     >             * Examples: Move ascii_art_dft main function within
>     include
>     >             guard
>     >             * UHD/MPM: Apply clang-format to all files
>     >             * UHD: Add modified clang-format for headers
>     >             * MPM: Add bridge mode support
>     >             * RFNoC: Fix detection of outstanding acks by ctrl_iface
>     >             * UHD: Replace uhd::math::log2 with std::log2
>     >             * UHD: Replace boost::*::{lcm,gcd}() with portable
>     versions
>     >             * UHD API: Change get_{tx/rx}_dc_offset_range default from
>     >             ALL_CHANS
>     >                        to 0
>     >             * UHD: Revert to boost instead of std for sleep in some
>     >             instances
>     >             * UHD: Replace Boost macros with custom ones for
>     endianness
>     >             * MPMD: implement get_*x_hints
>     >             * MPMD: honor user supplied send/recv_frame_size args
>     >             * UHD: muxed_zero_copy_if fixes
>     >             * Examples: Fix boundary condition in ascii_art_dft
>     plotting
>     >             * CMake: Extend list of additional Boost versions
>     >             * Device3: Replace NULL with 0 for empty function pointers
>     >             * RFNoC: Add some missing virtual destructors
>     >             * Test: replace has_key by using 'in'
>     >             * Test: Add universal_newlines to subprocess call in
>     devtest
>     >             * MPMD: Use 4096 bytes for frame size for liberio
>     transport
>     >             * DPDK: Add xport_mgr for dpdk_zero_copy
>     >             * DPDK: Cover all paths to request TX offloads
>     >             * Test: Fix up dpdk_test to use current APIs
>     >             * MPM: Parameterize max UDP link allocation
>     >             * UHD: Replace Boost lock & mutex with std variety for
>     >             AD9361 code
>     >             * CPack: Fix RPM generation
>     >             * Utils: Add check for gdb_eeprom before accessing
>     >             * RFNoC: Update FIFO XML definition
>     >             * MPMD: Use init timeout for update_component
>     >             * Docs: Add manual page for DPDK
>     >             * Docs: Add information about what dpdk_zero_copy is doing
>     >             * Tools: Make the UHD source gen a plugin for the phase
>     >             alignment test
>     >             * CMake: fix variable usage
>     >             * RFNoC: Prevent unnecessary FC ACK packets
>     >             * RFNoC: More graph traversal fixes
>     >             * Device3: Remove redundant function call
>     >             * RFNoC: Fix scaling of M and N values in DDC/DUC
>     >             * X300: Fix tick and sample rate setting
>     >             * RFNoC: Fix typos in legacy_compat
>     >             * RFNoC: Limit number of control packets in flight
>     >             * Device3: Fix flow control window and interval
>     >             * E3xx: Increase spp limit for E3xx radio
>     >             * E31x: Destruct RFNoC before loading idle image
>     >             * N3xx: init peripherals before loading FPGA (to fix SFP0
>     >             init issues)
>     >             * N3xx: Move Linux kernel to 4.15
>     >             * N3xx/E320: Prepend SDK filename with device name
>     >             * N310: Fix sporadic power on failures (requires firmware
>     >             update)
>     >
>     >             ## 003.013.001.000
>     >             * E320: Fix front panel GPIO readback
>     >             * E320: Fix master_clock_rate setting
>     >             * E320: Print extra ouptut for ref_clock BIST
>     >             * E320: Fix gps_locked type
>     >             * E320: Fix return value of get_fpga_type()
>     >             * N3xx: Enable setting clock and time sources at runtime
>     >             * N3xx: Add ref_clock BIST
>     >             * N3xx: Improve set_time_source() and set_clock_source()
>     >             * N3xx: Add exception for init failure
>     >             * N3xx: Remove HA, XA images packages
>     >             * N3xx: Change init() procedure to reduce
>     configuration time
>     >             * N310: Add frequency bounds
>     >             * N310: Fix RX antenna mapping
>     >             * N310: Add log messages when re-initializing dboards
>     >             * N310: Add skip_rfic argument to reduce time of BIST
>     >             * N310: Add initialization of TX bandwidth
>     >             * E310: Fix initialization of antenna and frequency values
>     >             * E310: Type-cast fix for Boost
>     >             * X300: Improve firmware compat error message
>     >             * X300: Updated niusrprio driver
>     >             * X300: Add recovery for duplicate IP addresses in EEPROM
>     >             * X300: Prevent duplicate MAC and IP addresses from being
>     >             programmed
>     >             * X300: New mode to configure master clock rate
>     >             * X300: Implement RFNoC get antenna functions
>     >             * B2xx: Fix values of MASK_GPIO_SHDN_SW and
>     GPIO_AUX_PWR_ON
>     >             in firmware
>     >             * B2xx: Revert changes to DSP core to fix scaling factor
>     >             adjustment
>     >             * B2xx: Restore asynchronous reset of AD936x
>     >                     (fixes LIBUSB_TRANSFER_OVERFLOW and unexpected sid
>     >             errors)
>     >             * TwinRX: enable ch1 lo amps if ch2 is using an
>     external lo
>     >             source
>     >             * TwinRX: Correctly initialize antenna mapping on X300
>     >             * TwinRX: Revise ADF5356 frac2 register calculation to
>     >             prevent drifting spurs
>     >             * TwinRX: Fix initialization
>     >             * TwinRX: Tuning improvements
>     >             * TwinRX: Enable phase resync on ADF535x
>     >             * TwinRX: Make routing to LO1 and LO2 mutually exclusive
>     >             * BasicRX/LFRX: Fix real mode in rx_frontend_core_3000
>     >             * UHD: Define UHD_API as empty string when building
>     static lib
>     >             * UHD: Changed to 'all_matching' endpoint resolution for
>     >             udp_simple transport
>     >             * UHD: Add CMake flag for NEON SIMD
>     >             * UHD: Fix usb_dummy_impl compilation in MSVC
>     >             * UHD: Reconcile time_spec operators with boost concepts
>     >             * UHD: Fix rounding in ddc/duc rate calculation
>     >             * UHD: Increase MPMD RPC timeout when calling
>     set_time_source()
>     >             * UHD: Fix RX streamer SOB and EOB handling
>     >             * UHD: Add UHD_SAFE_CALL to block_ctrl_base destructor
>     >             * UHD: Change SOVERSION to ABI string and VERSION to full
>     >             UHD version
>     >             * UHD: Update cmake style to use lower case commands
>     >             * UHD: Add SOURCE_DATE_EPOCH
>     >             * UHD: Improve logic for UHD_IMAGES_DIR
>     >             * UHD: Add RUNTIME_PYTHON_EXECUTABLE
>     >             * UHD: Fix return value of get_rolloff() for filters
>     >             * UHD: Properly register devtest
>     >             * UHD: Fix log statement for Port number on RFNoC block
>     >             * UHD: Use "MATCHES" instead of "STREQUAL" for "Clang"
>     >             * UHD: Fix GPGGA string formatting for gpsd
>     >             * Device3: Set default block control response SIDs
>     >             * Device3: Fix block control flushing
>     >             * RFNoC: Improved flushing mechanism in noc_shell and
>     dma_fifo
>     >             * RFNoC: Install missing dma_fifo_block_ctrl header
>     >             * RFNoC: Replace some [] with .at() in radio_ctrl_impl
>     >             * RFNoC: Fix graph traversal
>     >             * MPM: Add Git hash, version to device info
>     >             * MPM: Reset the RPC server upon reload
>     >             * MPM: TDC: Update PDAC BIST and flatness test to use
>     latest
>     >             APIs
>     >             * MPM: Fix handling of 0-valued dt-compat
>     >             * MPM: Fix GPSD sensor names for N3xx and E320
>     >             * MPM: Add args to update_ref_clock_freq to properly
>     support
>     >             dynamic setting
>     >             *      of clock and time references
>     >             * MPM: Fix Pylint warnings
>     >             * MPM: Identify sysfs gpios more generically
>     >             * MPM: Add lock_guard() function
>     >             * MPM: Factor E320 and N3xx BIST code into common module
>     >             * MPM: Add gpsd error handling
>     >             * MPM: Add FPGA git hash to device info
>     >             * MPMD: Increase RPC timeout during readng mb sensor
>     >             * MPMD: Improve error message for compat number mismatches
>     >             * Python API: Enable Python API on Windows
>     >             * Python API: Change .dll to .pyd for Win32
>     >             * Python API: Fixing Boost.Python initializer visibility
>     >             * Python API: Fix duration of benchmark rate
>     >             * Python API: Add missing constructors of time_spec_t
>     >             * Python API: Expose streamer timeouts
>     >             * Python API: Tighten the scope of releasing the GIL
>     >             * Python API: Add device_addr_t
>     >             * Python API: Populate the tune_result_t binding
>     >             * Utils: Many fixes and enhancements for
>     uhd_images_downloader
>     >             * Utils: Update query_gpsdo_sensors to work on E310
>     >             * Examples: Removed some legacy code patterns from RFNoC
>     >             examples
>     >             * Examples: Fix channel argument for rx_samples_to_file
>     >             * Examples: Fix benchmark_rate MIMO synchronization
>     >             * Examples: Add phase alignment example
>     >             * Examples: Fix RX antenna not being applied in
>     >             txrx_loopback_to_file
>     >             * Test: Add more env vars, make Py3k compatible
>     >             * Test: Add multi_usrp_test.py to devtest
>     >             * Test: Clean up, refactor, and improve devtest
>     >             * Test: Enable rx_samples_to_file in E320 devtest and N3xx
>     >             devtest
>     >             * Test: Reduce sample rate for E320 1G devtest
>     >             * Test: Add unit test for eeprom_utils
>     >             * Docs: Add clock_source and time_source to n3xx argument
>     >             list and fix WR clock_source call
>     >             * Docs: Minor tweaks to the Python API manual page
>     >             * Docs: Add E320 test procedures
>     >             * Docs: Added TwinRX page
>     >             * Docs: Fix N210 MIMO Phase Alignment test command
>     >             * Docs: Add E320 information
>     >             * Docs: Improve sections on clock/time references
>     >             * Docs: Add section on X300 motherboard clocking
>     >             * Docs: Add more information on Salt for N3xx and E320
>     >             * Docs: Adjust E310 functional verification tests
>     >             * Docs: Add documentation on GIL release
>     >             * Debian: Update control files
>     >             * Images: Add N3xx CPLD file to manifest
>     >
>     >             ## 003.013.000.002
>     >             * N3xx: Fix issue where changing the clock/time source
>     could
>     >             result in
>     >                     clocks becoming unlocked
>     >             * N3xx: Improve error messages for invalid clock/time
>     settings
>     >             * N3xx: Add support for Rev G mboard
>     >             * MPM: Add function parameter to support holding
>     AD9371 in reset
>     >             * Docs: Add section on building fs/SD images for N3xx
>     >             * Docs: Fix Doxygen warnings
>     >
>     >             ## 003.013.000.001
>     >             * N3xx: Fix UIO usage in Aurora BIST
>     >             * N3xx: Fix EEPROM parsing (for upcoming hardware)
>     >             * UHD: Fix install path for Python API
>     >
>     >             As always, we at Ettus Research would like to thank all of
>     >             the UHD users in the open source SDR community.  This
>     >             release contains commits from users in the community that
>     >             submitted pull requests against the UHD
>     >             <https://github.com/EttusResearch/uhd> and FPGA
>     >             <https://github.com/EttusResearch/fpga> repositories
>     as well
>     >             as many commits that are a direct result of issues
>     reported
>     >             back to us by users like you through the UHD
>     >             <https://github.com/EttusResearch/uhd/issues> and FPGA
>     >             <https://github.com/EttusResearch/fpga/issues> issue
>     >             trackers, the USRP-users mailing list
>     >           
>      <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com>,
>     >             and Ettus support
>     >             <mailto:support at ettus.com <mailto:support at ettus.com>>. 
>     >             You have all helped contribute to the continued
>     improvement
>     >             of UHD.  Thank you!
>     >
>     >             Best regards,
>     >             Michael
>     >             _______________________________________________
>     >             USRP-users mailing list
>     >             USRP-users at lists.ettus.com
>     <mailto:USRP-users at lists.ettus.com>
>     >             <mailto:USRP-users at lists.ettus.com
>     <mailto:USRP-users at lists.ettus.com>>
>     >           
>      http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>     >
>     >
>     > _______________________________________________
>     > USRP-users mailing list
>     > USRP-users at lists.ettus.com <mailto:USRP-users at lists.ettus.com>
>     > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
>     >
> 
> 
> 
>     _______________________________________________
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>     Discuss-gnuradio at gnu.org <mailto:Discuss-gnuradio at gnu.org>
>     https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
> 
> 
> _______________________________________________
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> USRP-users at lists.ettus.com
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> 




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