I need help. How can I interface DAC (connected on serial port) with OFDM Tx block and ADC (connected on serial port) with OFDM Rx. I couldn't find any block or tutorial on it. Also How can we change the frequency of the signal, I have 1MHz as sampling clock for ADC and DAC.

Feature Description Block properties with dtype: enum are the only properties which can not be controlled dynamically by variables or expressions. The drop-down menu for enums simply does not allow entering variables names. Take the File source as an example: Here "Repeat" is even runtime-adjustable...

Feature Description Currently the QT GUI Msg Push Button sends a fixed 'Message Value' when the button is clicked. It would be very useful to have a Variable name in that 'Message Value' field so that some other block variable or a calculation of values could be sent in the message. Feature Urgency...

Feature Description The current exposed function for PMT deserialization on the Python side is deserialize_str() which expects bytes rather than a str. Just adding a check for it on the C++ side that instead of saying tag = 194 the error message says something like "use bytes not str" Feature Urgenc...

Feature Description For more complex usage, the ZMQ sources/sinks can hang when trying to shutdown/stop the flowgraphs they're in. Making sure the destructor properly terminates resources should help fix that. (Most notable within Python usage) Feature Urgency medium (would be nice to have in the ne...

Feature Description In matrix @dkozel brought up the excellent idea that CI should, for PRs adding new GRC blocks check whether a wiki page documenting that block exists raise a red flag if it doesn't I concur. Feature Urgency medium (would be nice to have in the near future) More Information No r...

Hey everyone, I am building GNURadio from the source & got following errors when running Make: /usr/bin/ld: /home/d331/anaconda3/lib/libQt5Core.so.5.15.2: undefined reference to std::__exception_ptr::exception_ptr::_M_release()@CXXABI_1.3.13' /usr/bin/ld: /home/d331/anaconda3/lib/libQt5Widgets.s...

Feature Description I recently discovered in the wiki that we could filter the 'Blocks Library', by first clicking on the small 'lens' in the top bar (that I haven't found myself intuitively). The UI would probably benefit from always showing the search bar, as it is the case for many site/apps. T...

In line 72 of gr-filter/python/filter/pfb.py, the return tap should be replaced by return taps Having the following Traceback while running sudo grgsm_scanner -v -d: Traceback (most recent call last): File "/usr/bin/grgsm_scanner", line 439, in <module> main() File "/usr/bin/grgsm_scan...

What happened? A bug happened! While I was trying to build the gnu radio source code on my ubuntu 18.04.06 Below is the error message I kept getting. I looked up and it seems like there were similar issues in the past. But I couldn't find a solution for the specific error message below. Please let m...