Hi Wade, thanks for you answer.
I built the master branch, reran the program (without changes) with the new UHD and did not modifiy my test-program at all. I receive the following: ```bash root@ni-x4xx-323F74C:~/uhd-evaluation/debug/build# ./set_usrp_rates [INFO] [UHD] linux; GNU C++ version 9.2.0; Boost_107100; UHD_4.2.0.git-366-gcdcd39ae [INFO] [MPMD] Initializing 1 device(s) in parallel with args: mgmt_addr=127.0.0.1,type=x4xx,product=x410,serial=323F74C,fpga=X4_200,claimed=False,addr=localhost [INFO] [MPM.PeriphManager] init() called with device args `fpga=X4_200,mgmt_addr=127.0.0.1,product=x410,clock_source=internal,time_source=internal'. [INFO] [0/Radio#0] Setting default MTU forward policy. [INFO] [0/Radio#1] Setting default MTU forward policy. [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz Rx rates range from 240941 to 2.4576e+08 Tx rates range from 240941 to 2.4576e+08 Current rate is (rx): 2.4576e+08 Current rate is (tx): 2.4576e+08 ``` I have to admit, probably due to a lack of cmake/build skills, I had to force cmake to use the 4.2.0 uhd (located in /usr/local) instead of the "old" pre-installed one. I did so by commenting out some lines in the UHDConfig.cmake. Cmake takes successfully the includes and binaries in /usr/local. I am quite sure that this works, but not 100% certain. In case this helps. Did I forget something? Thanks a million! Tobias ________________________________ Von: Wade Fife <wade.f...@ettus.com> Gesendet: Donnerstag, 10. Februar 2022 17:31 An: Marcus D. Leech <patchvonbr...@gmail.com> Cc: usrp-users@lists.ettus.com <usrp-users@lists.ettus.com> Betreff: [USRP-users] Re: [UHD] Setting sampling rates to 500Msps is not supported. Hi Tobias, Sorry for the confusion. To get the full 491.520 MS/s you have to use a bitstream that supports it, and it requires the 100 GbE interface to stream at that rate. It looks like you're using the default bitstream that supports 250 MS/s (called X4_200) and 10 GbE. The initial release of X410 didn't include support for the higher streaming rates but this is planned for the next UHD software release, and is currently available on master. Thanks, Wade On Thu, Feb 10, 2022 at 10:11 AM Marcus D. Leech <patchvonbr...@gmail.com<mailto:patchvonbr...@gmail.com>> wrote: On 2022-02-10 07:39, Tobias Kronauer wrote: Dear all, recently, we purchased a X410. According to the [manual](https://www.ni.com/pdf/manuals/378493a), the USRP supports a maximum I/Q samples rate of up to 491.52 MSps. Using the UHD API however, warnings are printed to stdout that the rate is set to 245.76 MSps. Also: https://files.ettus.com/manual/page_usrp_x4xx.html#x4xx_updating_fpga_types In the following, you can find a MWE: ```cpp #include <uhd/usrp/multi_usrp.hpp> #include <iostream> int main() { uhd::device_addr_t addr = uhd::device_addr_t("addr=localhost"); uhd::usrp::multi_usrp::sptr usrp = uhd::usrp::multi_usrp::make(addr); usrp->set_rx_rate(491.52e6); // max. value deifned in https://www.ni.com/pdf/manuals/378493a usrp->set_tx_rate(491.52e6); // max. value deifned in https://www.ni.com/pdf/manuals/378493a std::cout << "Rx rates range from " << usrp->get_rx_rates().start() << " to " << usrp->get_rx_rates().stop()<< std::endl; std::cout << "Tx rates range from " << usrp->get_tx_rates().start() << " to " << usrp->get_tx_rates().stop()<< std::endl; std::cout << "Current rate is (rx): " << usrp->get_rx_rate() << std::endl; std::cout << "Current rate is (tx): " << usrp->get_tx_rate() << std::endl; } ``` After building, the following is printed: ```bash root@ni-x4xx-323F74C:~/uhd-evaluation/debug/build# ./set_usrp_rates [INFO] [UHD] linux; GNU C++ version 9.2.0; Boost_107100; UHD_4.1.0.5-0-g18f5f9a4 [INFO] [MPMD] Initializing 1 device(s) in parallel with args: mgmt_addr=127.0.0.1,type=x4xx,product=x410,serial=323F74C,fpga=X4_200,claimed=False,addr=localhost [INFO] [MPM.PeriphManager] init() called with device args `fpga=X4_200,mgmt_addr=127.0.0.1,product=x410,clock_source=internal,time_source=internal'. [WARNING] [MPM.RPCServer] A timeout event occured! [INFO] [MPM.PeriphManager] init() called with device args `fpga=X4_200,mgmt_addr=127.0.0.1,product=x410,clock_source=internal,time_source=internal'. [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set RX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz [WARNING] [MULTI_USRP] Could not set TX rate to 491.520 MHz. Actual rate is 245.760 MHz Rx rates range from 240941 to 2.4576e+08 Tx rates range from 240941 to 2.4576e+08 Current rate is (rx): 2.4576e+08 Current rate is (tx): 2.4576e+08 ``` The same can be observed using the `txrx_loopback_to_file` example. Can you help me on that? Thank you in advance 🙂 **Version information**: ```bash root@ni-x4xx-323F74C:/usr/lib/uhd/examples# uhd_config_info --print-all UHD 4.1.0.5-0-g18f5f9a4 Build date: Mon, 06 Dec 2021 19:14:55 C compiler: GNU 9.2.0 C++ compiler: GNU 9.2.0 C flags: -DBOOST_ERROR_CODE_HEADER_ONLY -DBOOST_ASIO_DISABLE_STD_STRING_VIEW -DBOOST_ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW -DHAVE_CONFIG_H -DUHD_LOG_MIN_LEVEL=1 -DUHD_LOG_CONSOLE_LEVEL=2 -DUHD_LOG_FILE_LEVEL=2 -DUHD_LOG_CONSOLE_COLOR --sysroot=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0=/usr/src/debug/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0 -fdebug-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0=/usr/src/debug/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0 -fdebug-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot= -fdebug-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot-native= --sysroot=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot C++ flags: -DBOOST_ERROR_CODE_HEADER_ONLY -DBOOST_ASIO_DISABLE_STD_STRING_VIEW -DBOOST_ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW -DHAVE_CONFIG_H -DUHD_LOG_MIN_LEVEL=1 -DUHD_LOG_CONSOLE_LEVEL=2 -DUHD_LOG_FILE_LEVEL=2 -DUHD_LOG_CONSOLE_COLOR --sysroot=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot -O2 -pipe -g -feliminate-unused-debug-types -fmacro-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0=/usr/src/debug/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0 -fdebug-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0=/usr/src/debug/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0 -fdebug-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot= -fdebug-prefix-map=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot-native= -fvisibility-inlines-hidden --sysroot=/__w/790/build/tmp-glibc/work/aarch64-oe-linux/uhd/4.1.0.5<http://4.1.0.5>+rc2-r0/recipe-sysroot -fvisibility=hidden -fvisibility-inlines-hidden Enabled components: LibUHD, LibUHD - C API, LibUHD - Python API, Examples, Utils, Tests, MPMD, N300, N320, E320, E300, X400, OctoClock Install prefix: /usr Boost version: 1.71 Libusb version: N/A Library path: /usr/lib Package path: /usr Images directory: /usr/share/uhd/images ABI version string: 4.1.0 ``` Kind regards, Tobias Barkhausen Institut www.barkhauseninstitut.org<http://www.barkhauseninstitut.org> Barkhausen Institut gGmbH | Sitz: Würzburger Straße 46, 01187 Dresden, Germany | Registergericht: Amtsgericht Dresden, HRB 37267 | Geschäftsführer: Prof. Dr. Gerhard Fettweis, Dr. Tim Hentschel | Vorsitzender der Gesellschafterdelegation: Dr. Andreas Handschuh Hinweise zum Datenschutz und zur Verarbeitung Ihrer Daten finden Sie unter: https://barkhauseninstitut.org/data-privacy This email and any attachments are intended only for the person to whom this email is addressed and may contain confidential and/or privileged information. 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