Hey Marcus, Thank you for the quick response! This sounds like a good solution, could you give some insight on how to go about doing it?
Thank you so much! On Sat, Nov 23, 2019 at 2:32 PM Marcus D. Leech via USRP-users < usrp-users@lists.ettus.com> wrote: > On 11/23/2019 03:49 PM, Austin Adam via USRP-users wrote: > > I am trying to run a Gnu Radio python file via the terminal and only want > to run in for a few seconds and then kill it. Then, wait a little bit, and > rerun the script again. My problem is that sometimes, when I rerun it, I > get an issue with my USRP N310 in that it decides to just disconnect with > either a "No devices found for" or "Someone tried to claim this device > again" message. I have posted the error messages below from two different > instances. > > When this happens, running uhd_find_devices does not find the N310, > neither does uhd_find_devices --args=addr=192.168.10.2. > > Upon restarting the N310 by manually pressing the power button, it is able > to be found by uhd_find_devices, and I can continue running the script > until the error happens, and I have to go manually restart the USRP. > > I am trying to make an entire automated system and this is the one thing > that requires manual effort, which is to get up and restart the USRP. > > I am looking for a way to either, reboot the USRP via commands for when > the error occurs, or a solution/workaround to the problem if it exists. > > Is there any way to keep the USRP claimed and just tell the GNU part of > the script to run each time I want to rerun it? Because each time I have to > run the script, the USRP has to again be claimed and initiated. How can I > keep it on at all times, or just skip the claiming step each time? > > Thank you in advance for any help you can provide! > > Here are the error messages: > *[INFO] [UHD] linux; GNU C++ version 8.3.0; Boost_106700; > UHD_3.14.0.HEAD-0-g6875d061* > > > > > > > > > > > > > > > > *Traceback (most recent call last): File > "/home/ugikie/Desktop/PositionControl/ArrayTest2.py", line 296, in <module> > main() File "/home/ugikie/Desktop/PositionControl/ArrayTest2.py", > line 284, in main tb = top_block_cls() File > "/home/ugikie/Desktop/PositionControl/ArrayTest2.py", line 79, in __init__ > channels=range(4), File > "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", line > 122, in constructor_interceptor return old_constructor(*args) File > "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", line > 2782, in make return _uhd_swig.usrp_source_make(*args) RuntimeError: > LookupError: KeyError: No devices found for -----> Device Address: > addr: 192.168.10.2 rx_lo_source: external init_cals: > BASIC|TX_ATTENUATION_DELAY|RX_GAIN_DELAY|PATH_DELAY|TX_LO_LEAKAGE_INTERNAL|LOOPBACK_RX_LO_DELAY* > > *Here is the second time it happened:* > > > > > > > > > > > > > > > *[INFO] [UHD] linux; GNU C++ version 8.3.0; Boost_106700; > UHD_3.14.0.HEAD-0-g6875d061 [INFO] [MPMD] Initializing 1 device(s) in > parallel with args: > mgmt_addr=192.168.10.2,type=n3xx,product=n310,serial=3177E63,claimed=True,addr=192.168.10.2,rx_lo_source=external,init_cals=BASIC|TX_ATTENUATION_DELAY|RX_GAIN_DELAY|PATH_DELAY|TX_LO_LEAKAGE_INTERNAL|LOOPBACK_RX_LO_DELAY > [ERROR] [RPC] Someone tried to claim this device again (From: 192.168.10.1) > Traceback (most recent call last): File > "/home/ugikie/Desktop/PositionControl/ArrayTest2.py", line 296, in <module> > main() File "/home/ugikie/Desktop/PositionControl/ArrayTest2.py", > line 284, in main tb = top_block_cls() File > "/home/ugikie/Desktop/PositionControl/ArrayTest2.py", line 79, in __init__ > channels=range(4), File > "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/__init__.py", line > 122, in constructor_interceptor return old_constructor(*args) File > "/usr/local/lib/python2.7/dist-packages/gnuradio/uhd/uhd_swig.py", line > 2782, in make return _uhd_swig.usrp_source_make(*args) RuntimeError: > RuntimeError: Error during RPC call to `claim'. Error message: Someone > tried to claim this device again (From: 192.168.10.1)* > > i\ > > Instead of interrupting the GR script, you could use the "Head" block to > have it run for a finite number of samples, then exit gracefully. > When you interrupt it, some things are clearly not getting cleaned up > gracefully. > > > > _______________________________________________ > USRP-users mailing list > USRP-users@lists.ettus.com > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >
_______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
