Apologies, the files are attached. On Thu, Oct 31, 2019 at 3:30 PM Jonathan Lockhart <jlockhar...@gmail.com> wrote:
> Greetings, > > I was wondering if anyone else has had this issue with the RFNoC radio > block. > > So I was using the copy block with the rfnoc_fosphor_network_usrp.grc file > as I wanted to split off the signal before it went off to the RFNoC Window. > So I put in a copy block (since the RFNoC Split block appears to be broken) > and passed the data off to a ZMQ Push and back to the window to continue to > be processed by the FPGA. GNURadio says this is all well and good since all > vectors are 512 and builds the file. However, when I run the .py file on my > E312 it throws an error stating that the radio is providing data of size 8 > when the copy block expects to get data of size 512 (the vector size). > > [INFO] [UHD] linux; GNU C++ version 4.9.2; Boost_105700; > UHD_3.14.1.HEAD-0-gbfb9c1c7 > [INFO] [E300] Loading FPGA image: /home/root/localinstall/e300.bit... > [INFO] [E300] FPGA image loaded > [INFO] [E300] Detecting internal GPS > .... [INFO] [E300] GPSDO found > [INFO] [E300] Initializing core control (global registers)... > > [INFO] [E300] Performing register loopback test... > [INFO] [E300] Register loopback test passed > [INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000000) > [WARNING] [RFNOC] Can't find a block controller for key FFT, using default > block controller! > [INFO] [0/FFT_0] Initializing block control (NOC ID: 0xFF70000000000000) > [INFO] [0/Window_0] Initializing block control (NOC ID: 0xD053000000000000) > [WARNING] [RFNOC] Can't find a block controller for key fosphor, using > default block controller! > [INFO] [0/fosphor_0] Initializing block control (NOC ID: > 0x666F000000000000) > [INFO] [0/FIFO_0] Initializing block control (NOC ID: 0xF1F0000000000000) > [INFO] [0/FIFO_1] Initializing block control (NOC ID: 0xF1F0000000000000) > Traceback (most recent call last): > File "rfnoc_fosphor_network_usrp.py", line 282, in <module> > main() > File "rfnoc_fosphor_network_usrp.py", line 271, in main > tb = top_block_cls(fft_size=options.fft_size, > fpga_path=options.fpga_path, freq=options.freq, gain=options.gain, > host_ip_addr=options.host_ip_addr, samp_rate=options.samp_rate, > tdecay=options.tdecay, trise=options.trise) > File "rfnoc_fosphor_network_usrp.py", line 166, in __init__ > self.connect((self.uhd_rfnoc_streamer_radio_0, 0), > (self.blocks_copy_0, 0)) > File > "/home/root/localinstall/usr/lib/python2.7/site-packages/gnuradio/gr/hier_block2.py", > line 47, in wrapped > func(self, src, src_port, dst, dst_port) > File > "/home/root/localinstall/usr/lib/python2.7/site-packages/gnuradio/gr/hier_block2.py", > line 110, in connect > self.primitive_connect(*args) > File > "/home/root/localinstall/usr/lib/python2.7/site-packages/gnuradio/gr/runtime_swig.py", > line 3482, in primitive_connect > return _runtime_swig.top_block_sptr_primitive_connect(self, *args) > ValueError: itemsize mismatch: rfnoc_radio0:0 using 8, copy0:0 using 4096 > > I have attached my modified examples for anyone who is interested. I have > tried to modify the python and that just gets me into more trouble. > > Through my tracing of the files it appears that the RFNoC Radio block in > the .py file never actually uses the vector size, and that the force vector > length block is an additive to allow compliance when working in GNURadio, > as it will not generate python with mismatched types and sizes. Trying to > force the radio to take the 512 as an argument in the python throws a new > error that the Radio is only allowed to have 5 arguments and I have > supplied 6, and validated in the Ettus .py file that there is no arg for > vector size. > > I was wondering if anyone found away around this or got the RFNoC Split > block working? > > Regards, > Jon Lockhart >
rfnoc_fosphor_radio_network_host.grc
Description: Binary data
rfnoc_fosphor_radio_network_usrp.grc
Description: Binary data
_______________________________________________ USRP-users mailing list USRP-users@lists.ettus.com http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com
