Retrieving device type

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Alexandru Csete oz9aec at gmail.com
Mon Mar 3 22:27:46 UTC 2014


I am guessing that if you use the osmosdr::device::find() method,
which gives you a list of available devices, the first device in the
list will be the one gr-osmosdr chooses to use.

Alex


On Mon, Mar 3, 2014 at 11:17 PM, Nick Foster <bistromath at gmail.com> wrote:
> I've been letting it autodiscover.
>
> --n
>
>
> On Mon, Mar 3, 2014 at 2:14 PM, Alexandru Csete <oz9aec at gmail.com> wrote:
>>
>> I must be completely missing something... When you create your source
>> now, don't you already pass it a string with a device descriptor?
>>
>> On Mon, Mar 3, 2014 at 11:04 PM, Nick Foster <bistromath at gmail.com> wrote:
>> > Sure. I could explicitly set this, but it means now I need a separate
>> > menu
>> > item or configuration switch for each Osmo source -- and there are a
>> > bunch.
>> > Not the end of the world, just hoping for something easier.
>> >
>> > --n
>> >
>> >
>> > On Mon, Mar 3, 2014 at 2:02 PM, Alexandru Csete <oz9aec at gmail.com>
>> > wrote:
>> >>
>> >> On Mon, Mar 3, 2014 at 10:35 PM, Nick Foster <bistromath at gmail.com>
>> >> wrote:
>> >> > Hi,
>> >> >
>> >> > gr-osmosdr is great at abstracting the device type, but now I find
>> >> > myself
>> >> > wishing to de-abstract. For instance: HackRF has large DC offset, so
>> >> > I'd
>> >> > like the option to switch in a DC blocking filter when using that
>> >> > source.
>> >> > RTL dongles can't support more than 2.4Msps reliably, so I'd like to
>> >> > be
>> >> > able
>> >> > to cope accordingly at initialization time.
>> >> >
>> >> > Is there a good way to retrieve, say, a string descriptor telling me
>> >> > which
>> >> > particular source I'm using?
>> >>
>> >> None that I know of, but aren't you the one who decides what device is
>> >> in use by passing e.g. "hackrf=0" as argument to the constructor?
>> >>
>> >> Alex
>> >
>> >
>
>




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