Hi there, I have some questions about the firmware for other hardware device except USRP.
1. I only found "gr-uhd" firmware for Ettus USRP from GNU radio source codes. I am curious how other hardware devices ex. HackRFs works with GNU Radio without official support firmware? For example, how to create HackRF's own source and sink block while USRP has "gr-uhd" with its own source and sink blocks in it ? 2. For GNU raido, I understand python is for GUI, data flow and graph and C++ is for algorithm implementation for each block. But I don't understand how user's input arguments or parameters are transmitted to hardware, what is the interaction between source, sink blocks and hardware module. What kind of interface that a hardware developer should provide? If anyone could share some instructions or examples, I will appreciate a lot. Thanks in advance.
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