osmosdr device support for the digital voice TX (dv_tx.py) has been pushed to the repo.
This has been tested using the hackrf (jawbreaker) only but should work with any device
supported by the osmosdr drivers (to include the USRP, etc).
Also there has been a backlog of changes in the 'max' branch that are now merged
into master; at this point both 'master' and 'max' are the same.
For info on running the DV TX app (including the additions to support osmosdr), see the
doc.html file in the repo [op25/gr-op25_repeater/apps/tx/doc.html]
Max