How can I check Hackrf is busy or not?

2022-09-03 Thread sp
in CPP driver Hackrf there is a method that can find Hackrf but is there a method that I check Hackrf is busy or idle? When I send a signal with Hackrf , Led TX after finished continue on and after 5 seconds it is off... how can I check Hackrf is busy or not? It is idle for new transmitting?

Hack RF One - Burst Transmissions

2022-09-03 Thread Roland Schwarz
Trying to use burst transmission with a HackRF I discovered a somewhat unexpected behaviour: Only if the the total length of a burst is exactly 2^17 samples, the burst goes out well. If the length is smaller it looks like the HackRF driver is buffering the data and only on the next burst when

LimeSDR enables multi-carrier, multi-standard amateur radio base stations based on MMDVM and GNU Radio

2022-09-03 Thread Adrian Musceac
Using LimeSDR equipment (LimeNET-Micro / LimeSDR-mini) and MMDVM + GNU radio as core components, the implementation of a full duplex SDR base station was created in order to support the DMR, System Fusion, D-Star and M17 amateur digital voice standards in a multi-carrier configuration, with up t

Re: Hack RF One - Burst Transmissions

2022-09-03 Thread Roland Schwarz
Looking at the source code for the soapy driver I can see that there is a function named: set_length_tag_name, but I cannot figure out a way to set its value via the grc gui. The implementation looks promising as it seems to address my burst issue. Advice would be very much appreciated. Rolan