Dear Muhammad,you can use ZMQ blocks to send messages to your GR program. Either directly to the message port of USRP sink, or use a "Message Pair to Var" block to update a flowgraph variable. You can read more about these blocks here:
* https://wiki.gnuradio.org/index.php/Understanding_ZMQ_Blocks * https://wiki.gnuradio.org/index.php/Message_Pair_to_VarPS: I found that the "Message Pair to Var" block is not very flexible, since it only allows to set one specific variable. I am currently working on a similar block that allows me to change multiple variables based on the message car, so that I can control my flowgraph by sending (variable_name, value) message pairs. Once I got it to work, and if there is interest, I could open a PR.
Best Philipp Am 25.1.25 um 8:08 schrieb Muhammad Anas:
Dear GNU Radio Community,I'm working on a project to control a USRP channel frequency from QT creater GUI application, is it possible to implement a communication between QT and GRC using xmlrpm or tcp block etc to control the GRC parameters in real-time on the same computer in window.Kindly help me to achieve this communication. Regards Muhammad Anas
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