Hi Robert. I think your issue may be that you need to set the time source in UHD to sfp0:
https://kb.ettus.com/Using_Ethernet-Based_Synchronization_on_the_USRP%E2%84%A2_N3xx_Devices (Scroll down to the "System Configuration" section). -Robin On Mon, Mar 15, 2021 at 11:57 AM Robert Clancy <rcla...@ltsnet.net> wrote: > I am trying to test a White Rabbit switch with an N321 radio but am > failing to be able to make a capture. > > > I have Gnuradio 3.8.0 installed and the UHD version is reported as > UHD_4.0.0.0-18-g83e878cf > > > This is the response from a probe: > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > *[INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; > UHD_4.0.0.0-18-g83e878cf [INFO] [MPMD] Initializing 1 device(s) in parallel > with args: > mgmt_addr=192.168.10.2,type=n3xx,product=n320,serial=31B36CF,claimed=False,addr=192.168.10.2 > [INFO] [MPM.main] Launching USRP/MPM, version: 4.0.0.0-g90ce6062 [INFO] > [MPM.main] Spawning RPC process... [INFO] [MPM.PeriphManager] Device serial > number: 31B36CF [INFO] [MPM.Rhodium-0] Enabling LO distribution board > [INFO] [MPM.Rhodium-0] Successfully loaded all peripherals! [INFO] > [MPM.Rhodium-1] Successfully loaded all peripherals! [INFO] > [MPM.PeriphManager] Initialized 2 daughterboard(s). [INFO] > [MPM.PeriphManager] No QSFP board detected: Assuming it is disabled in the > device tree overlay (e.g., HG, XG images). [INFO] [MPM.PeriphManager] > init() called with device args > `clock_source=internal,time_source=internal'. [INFO] [MPM.Rhodium-0] init() > called with args `clock_source=internal,time_source=internal' [INFO] > [MPM.Rhodium-1] init() called with args > `clock_source=internal,time_source=internal' [INFO] > [MPM.Rhodium-0.init.LMK04828] LMK initialized and locked! [INFO] > [MPM.Rhodium-1.init.LMK04828] LMK initialized and locked! [INFO] > [MPM.Rhodium-1.DAC37J82] DAC PLL Locked! [INFO] [MPM.Rhodium-1.AD9695] ADC > PLL Locked! [INFO] [MPM.Rhodium-1.init] JESD204B Link Initialization & > Training Complete [INFO] [MPM.Rhodium-0.DAC37J82] DAC PLL Locked! [INFO] > [MPM.Rhodium-0.AD9695] ADC PLL Locked! [INFO] [MPM.Rhodium-0.init] JESD204B > Link Initialization & Training Complete [INFO] [MPM.RPCServer] RPC server > ready! [INFO] [MPM.RPCServer] Spawning watchdog task... [INFO] > [MPM.PeriphManager] init() called with device args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=internal'. > [INFO] [MPM.Rhodium-0] init() called with args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=internal' > [INFO] [MPM.Rhodium-1] init() called with args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=internal' > _____________________________________________________ / | Device: > N300-Series Device | > _____________________________________________________ | / | | > Mboard: ni-n3xx-31B36CF | | dboard_0_pid: 338 | | dboard_0_serial: > 3192EC4 | | dboard_1_pid: 338 | | dboard_1_serial: 3192EB9 | | > eeprom_version: 3 | | fs_version: 20200914000806 | | > mender_artifact: v4.0.0.0_n3xx | | mpm_sw_version: 4.0.0.0-g90ce6062 > | | pid: 16962 | | product: n320 | | rev: 7 | | > rpc_connection: remote | | serial: 31B36CF | | type: n3xx | | > MPM Version: 3.0 | | FPGA Version: 8.0 | | FPGA git hash: > be53058.clean | | | | Time sources: internal, external, gpsdo, > sfp0 | | Clock sources: external, internal, gpsdo | | Sensors: > ref_locked, gps_locked, temp, fan, gps_gpgga, gps_sky, gps_time, gps_tpv > | _____________________________________________________ | / | > | RFNoC blocks on this device: | | | | * 0/DDC#0 | | * > 0/DDC#1 | | * 0/DUC#0 | | * 0/DUC#1 | | * 0/Radio#0 | | * > 0/Radio#1 | | * 0/Replay#0 | > _____________________________________________________ | / | | > Static connections on this device: | | | | * 0/SEP#0:0==>0/DUC#0:0 > | | * 0/DUC#0:0==>0/Radio#0:0 | | * 0/Radio#0:0==>0/DDC#0:0 | | > * 0/DDC#0:0==>0/SEP#0:0 | | * 0/SEP#1:0==>0/DUC#1:0 | | * > 0/DUC#1:0==>0/Radio#1:0 | | * 0/Radio#1:0==>0/DDC#1:0 | | * > 0/DDC#1:0==>0/SEP#1:0 | | * 0/SEP#2:0==>0/Replay#0:0 | | * > 0/Replay#0:0==>0/SEP#2:0 | | * 0/SEP#3:0==>0/Replay#0:1 | | * > 0/Replay#0:1==>0/SEP#3:0 | > _____________________________________________________ | / | | TX > Dboard: dboard | | > _____________________________________________________ | | / | | > | TX Frontend: 0 | | | Name: Rhodium | | | Antennas: > TX/RX, RX2, CAL, TERM | | | Freq range: 1.000 to 6000.000 MHz | | > | Gain range all: 0.0 to 60.0 step 1.0 dB | | | Bandwidth range: > 250000000.0 to 250000000.0 step 0.0 Hz | | | Connection Type: | | > | Uses LO offset: No | > _____________________________________________________ | / | | RX > Dboard: dboard | | > _____________________________________________________ | | / | | > | RX Frontend: 0 | | | Name: Rhodium | | | Antennas: > TX/RX, CAL, TERM | | | Freq range: 1.000 to 6000.000 MHz | | | > Gain range all: 0.0 to 60.0 step 1.0 dB | | | Bandwidth range: > 250000000.0 to 250000000.0 step 0.0 Hz | | | Connection Type: | | > | Uses LO offset: No | > _____________________________________________________ | / | | TX > Dboard: dboard | | > _____________________________________________________ | | / | | > | TX Frontend: 0 | | | Name: Rhodium | | | Antennas: > TX/RX, RX2, CAL, TERM | | | Freq range: 1.000 to 6000.000 MHz | | > | Gain range all: 0.0 to 60.0 step 1.0 dB | | | Bandwidth range: > 250000000.0 to 250000000.0 step 0.0 Hz | | | Connection Type: | | > | Uses LO offset: No | > _____________________________________________________ | / | | RX > Dboard: dboard | | > _____________________________________________________ | | / | | > | RX Frontend: 0 | | | Name: Rhodium | | | Antennas: > TX/RX, CAL, TERM | | | Freq range: 1.000 to 6000.000 MHz | | | > Gain range all: 0.0 to 60.0 step 1.0 dB | | | Bandwidth range: > 250000000.0 to 250000000.0 step 0.0 Hz | | | Connection Type: | | > | Uses LO offset: No * > > > I am using this firmware: > > *uhd_image_loader --args type=n3xx,addr=192.168.10.2 > --fpga-path="/opt/gnuradio/v3.8.0.0/share/uhd/images/usrp_n320_fpga_WX.bit"* > > > [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; > UHD_4.0.0.0-18-g83e878cf > [INFO] [MPMD] Initializing 1 device(s) in parallel with args: > mgmt_addr=192.168.10.2,type=n3xx,product=n320,serial=31B36CF,claimed=False,skip_init=1 > [INFO] [MPMD] Claimed device without full initialization. > [INFO] [MPMD IMAGE LOADER] Starting update. This may take a while. > [INFO] [MPM.PeriphManager] Updating component `fpga' > [INFO] [MPM.PeriphManager] Updating component `dts' > [INFO] [MPM.RPCServer] Resetting peripheral manager. > [INFO] [MPM.PeriphManager] Device serial number: 31B36CF > [INFO] [MPM.Rhodium-0] Enabling LO distribution board > [INFO] [MPM.Rhodium-0] Successfully loaded all peripherals! > [INFO] [MPM.Rhodium-1] Successfully loaded all peripherals! > [INFO] [MPM.PeriphManager] Initialized 2 daughterboard(s). > [INFO] [MPM.PeriphManager] No QSFP board detected: Assuming it is disabled > in the device tree overlay (e.g., HG, XG images). > [INFO] [MPM.PeriphManager] init() called with device args > `clock_source=internal,time_source=internal'. > [INFO] [MPM.Rhodium-0] init() called with args > `clock_source=internal,time_source=internal' > [INFO] [MPM.Rhodium-1] init() called with args > `clock_source=internal,time_source=internal' > [INFO] [MPM.Rhodium-0.init.LMK04828] LMK initialized and locked! > [INFO] [MPM.Rhodium-1.init.LMK04828] LMK initialized and locked! > [INFO] [MPM.Rhodium-1.DAC37J82] DAC PLL Locked! > [INFO] [MPM.Rhodium-1.AD9695] ADC PLL Locked! > [INFO] [MPM.Rhodium-1.init] JESD204B Link Initialization & Training > Complete > [INFO] [MPM.Rhodium-0.DAC37J82] DAC PLL Locked! > [INFO] [MPMD IMAGE LOADER] Update component function succeeded. > [INFO] [MPM.Rhodium-0.AD9695] ADC PLL Locked! > [INFO] [MPM.Rhodium-0.init] JESD204B Link Initialization & Training > Complete > > > > > > What I think are the relevant parts from a simple script to make a capture: > ################################################## > # Variables > ################################################## > self.samp_rate = samp_rate = 12288000 > > ################################################## > # Blocks > ################################################## > self.uhd_usrp_source_0 = uhd.usrp_source( > ",".join(("", "")), > uhd.stream_args( > cpu_format="fc32", > args='addr=192.168.10.2', > channels=list(range(0,1)), > ), > ) > ## WhiteRabbit addition > #self.uhd_usrp_source_0.set_clock_rate(200000000) > self.uhd_usrp_source_0.set_antenna("TX/RX") > print("Master clock rate set to: > ",self.uhd_usrp_source_0.get_clock_rate()) > print("Times sources are > ",self.uhd_usrp_source_0.get_time_sources(0)) > print("Sample rates is > ",self.uhd_usrp_source_0.get_samp_rates().stop()) > print("Antenna is ",self.uhd_usrp_source_0.get_antenna()) > self.uhd_usrp_source_0.set_clock_source("internal") > self.uhd_usrp_source_0.set_time_source("sfp0") > print("Time source is ",self.uhd_usrp_source_0.get_time_source(0)) > ### > > self.uhd_usrp_source_0.set_center_freq(75000100, 0) > print("Tuned to ",self.uhd_usrp_source_0.get_center_freq(0)) > self.uhd_usrp_source_0.set_gain(0, 0) > self.uhd_usrp_source_0.set_antenna('TX/RX', 0) > self.uhd_usrp_source_0.set_samp_rate(samp_rate) > > And then the error: > > [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; > UHD_4.0.0.0-18-g83e878cf > [INFO] [MPMD] Initializing 1 device(s) in parallel with args: > mgmt_addr=192.168.10.2,type=n3xx,product=n320,serial=31B36CF,claimed=False,addr=192.168.10.2 > [INFO] [MPM.PeriphManager] init() called with device args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=internal'. > [INFO] [MPM.Rhodium-0] init() called with args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=internal' > [INFO] [MPM.Rhodium-1] init() called with args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=internal' > Master clock rate set to: 245760000.0 > Times sources are ('internal', 'external', 'gpsdo', 'sfp0') > Sample rates is 245760000.0 > Antenna is TX/RX > [INFO] [MPM.Rhodium-0] Re-initializing daughter board. This may take some > time. > [INFO] [MPM.Rhodium-0] init() called with args > `mgmt_addr=192.168.10.2,product=n320,clock_source=internal,time_source=sfp0,skip_rfic=None,master_clock_rate=245760000.0,ref_clk_freq=25000000.0' > [ERROR] [RPC] TDC Failed to reset. > Traceback (most recent call last): > File "./TimeDomainDisplay.py", line 212, in <module> > main() > File "./TimeDomainDisplay.py", line 188, in main > tb = top_block_cls() > File "./TimeDomainDisplay.py", line 95, in __init__ > self.uhd_usrp_source_0.set_time_source("sfp0") > File > "/opt/gnuradio/v3.8.0.0/lib/python3/dist-packages/gnuradio/uhd/uhd_swig.py", > line 4577, in set_time_source > return _uhd_swig.usrp_source_sptr_set_time_source(self, source, mboard) > RuntimeError: RuntimeError: Error during RPC call to `set_time_source'. > Error message: TDC Failed to reset. > [INFO] [MPM.Rhodium-0.init.LMK04828] LMK initialized and locked! > [ERROR] [MPM.Sync-0] TDC Failed to Reset! Check your clocks! Status: 0x0 > [ERROR] [MPM.RPCServer] Uncaught exception in method set_time_source :TDC > Failed to reset. > Traceback (most recent call last): > File "/usr/lib/python3.7/site-packages/usrp_mpm/rpc_server.py", line > 186, in new_claimed_function > return function(*args) > File "/usr/lib/python3.7/site-packages/usrp_mpm/periph_manager/n3xx.py", > line 596, in set_time_source > self.set_sync_source(source) > File "/usr/lib/python3.7/site-packages/usrp_mpm/periph_manager/n3xx.py", > line 696, in set_sync_source > skip_rfic=args.get('skip_rfic', None) > File > "/usr/lib/python3.7/site-packages/usrp_mpm/dboard_manager/rhodium.py", line > 478, in update_ref_clock_freq > self._reinit(self.master_clock_rate) > File > "/usr/lib/python3.7/site-packages/usrp_mpm/dboard_manager/rhodium.py", line > 438, in _reinit > self.init(args) > File > "/usr/lib/python3.7/site-packages/usrp_mpm/dboard_manager/rhodium.py", line > 341, in init > init_result = RhodiumInitManager(self, self._spi_ifaces).init(args) > File > "/usr/lib/python3.7/site-packages/usrp_mpm/dboard_manager/rh_init.py", line > 344, in init > args) > File > "/usr/lib/python3.7/site-packages/usrp_mpm/dboard_manager/rh_init.py", line > 100, in _sync_db_clock > target_offset=trace_delay_offset)) > File "/usr/lib/python3.7/site-packages/usrp_mpm/cores/tdc_sync.py", line > 201, in run > self.configure(force=True) > File "/usr/lib/python3.7/site-packages/usrp_mpm/cores/tdc_sync.py", line > 254, in configure > raise RuntimeError("TDC Failed to reset.") > RuntimeError: TDC Failed to reset. > > > Can anyone shed any light on what is going on? > > Has anyone actually got an Ettus radio working with the WX firmware and a > White Rabbit switch? > > FWIW, the WR switch appears happy. I've walked its SNMP tree and all seems > well. It is operating in Grandmaster mode with the one N321 hanging off its > first port. > > Robert > > _______________________________________________ > USRP-users mailing list -- usrp-users@lists.ettus.com > To unsubscribe send an email to usrp-users-le...@lists.ettus.com >
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