[Hackrf-dev] hackrf_open() failed: HACKRF_ERROR_LIBUSB (-1000)

[Kevin Reid]

On Mar 18, 2015, at 6:20, Dominic Spill <dominicgs at gmail.com> wrote:

> On 18 March 2015 at 11:22, Vincent Le Nir <vlenir.ciss.rma at gmail.com> wrote:
>> 
>> We have just received the Hackrf and we are developing a C++ application to
>> transmit and receive data samples. [...] As the Hackrf is half duplex, we need to open and close the hackrf.
> 
> I know that someone was implementing a gnu radio flow graph with both
> TX and RX (using two HackRF One units) and came across problems with
> USB contexts.  I wonder if this is related to the same problem.

This not-yet-accepted patch is relevant:

"Multiple device support"
https://github.com/mossmann/hackrf/pull/158

-- 
Kevin Reid                                  <http://switchb.org/kpreid/>