About Reducing Latency When Implementing CSMA/NDA Protocol on Wireless Systems Using USRP Devices

2022-04-14 Thread Mehmet Fatih Ayten
Hello Dear Forum Members, I am Fatih from Vrije Universiteit Brussels, and writing to ask for any suggestion about the Reducing Latency When Implementing CSMA/NDA Protocol on Wireless Systems Using USRP Devices. Firstly, I would like to briefly mention about CSMA/NDA protocol so, my question

Re: How to get information on number of input data samples in C++ OOT

2022-04-14 Thread Vasil Velichkov
Hi George, On 14/04/2022 01.19, George Edwards wrote: > I am writing a Gnuradio C++ OOT block and need to get the number of complex > input data samples fed into my block by the scheduler on each iteration of > data delivery. > In Python, it is easy, I can find the value by doing: numInputs = >

Re: Options - QT GUI window size and placement

2022-04-14 Thread Marcus Müller
Hi Gavin, that's not a functionality of GNU Radio itself (at least we don't have any calls to the Qt-typical "saveGeometry"/"restoreGeometry" in our source code); it must be your window manager? So, I sadly can't advise on how to achieve that, sorry. Best, Marcus On 13.04.22 18:50, Gavin

Re: Options - QT GUI window size and placement

2022-04-14 Thread Gavin Jacobs
I looked in the Python code generated by grc, and the call to saveGeometry is there in closeEvent() ! But, it is not working in my flowgraph because the flowgraph exits with: >>> Done (return code -11) which means that the closeEvent doesn't get a chance to save the geometry. The -11 return codes

Re: Options - QT GUI window size and placement

2022-04-14 Thread Vasil Velichkov
Hi Gavin, On 14/04/2022 20.45, Gavin Jacobs wrote: > I looked in the Python code generated by grc, and the call to saveGeometry is > there in closeEvent() ! > But, it is not working in my flowgraph because the flowgraph exits with: Done (return code -11) Return code -11 means SIGSEGV

Re: How to get information on number of input data samples in C++ OOT

2022-04-14 Thread George Edwards
Hi Jeff and Vasil, Thank you very much! George On Wed, Apr 13, 2022 at 7:21 PM Jeff Long wrote: > The C++ API gives you ninput_items explicitly, so ninput_items[0] is the > number of items in input_items[0]. > > On Wed, Apr 13, 2022 at 7:18 PM George Edwards > wrote: > >> Hello GNURadio

RFNOC gain example warning

2022-04-14 Thread Maxime . Dupont
Hi, I followed step by step the oot gain tutorial for RFNOC and was able to generate the image with the 0/Block#0. I loaded it onto the X310 and uhd_usrp_probe returned the expected result displaying the newly added block but with a warning stating the block with noc id 0xb16, 0x was not