[amsat-bb] Error accessing FunCube Pro from FoxTelem

[Joseph Armbruster]

Chris,

What version of the fun cube pro do you have, and does it make a difference
which one is used?  I have an older v1.1 that I'm going to connect in a few
(Serial 3354).  Pulling the code down now...

Joseph Armbruster
KJ4JIO

On Thu, Jan 30, 2020 at 9:58 AM Chris Thompson <g0kla at arrl.net> wrote:

> A couple of people sent out the git repo URL.  If you have time to look at
> this, that would be great.  It's not an area where I am a deep expert.  The
> FCD has two USB interfaces, as noted.  The Soundcard interface uses
> standard Audio IO APIs and works fine. USB access is transparent and you
> don't need to worry about it.  But the HID interface has been difficult.
> It was a great idea to not need any libraries, but the flip side issue is
> that every platform has its own libraries.  Writing a single application
> that works on the PI (ARM), Linux (x86), Mac, Windows has been difficult in
> this area.  The HID approach is great for the end user, difficult for the
> developer.
>
> I've used three different libraries so far.  I started with direct Java
> wrapping of the C libraries. It worked to a degree in Windows, but I
> struggled on other platforms.  I moved to the PureJavaHID library and that
> worked across platforms.  But it holds the connection so only one program
> could connect to the device.  It did not play well with the Funcube
> Dashboard for example.  And it had issues where commands would not be
> sent.  I'm now using usb4Java which wraps LibUSB.  I understand you can
> talk HID through LibUSB, which is just a lower level library. But I could
> be wrong.  I leveraged code that Denis Sheirer wrote for SDRTRunk.  But
> that also has strange difficult to track down issues, as we can see.
>
> So I am open to a better way to do this that works on all the platforms
> people are using.  Any help is really appreciated.
>
> 73
> Chris
>
>
> On Wed, Jan 29, 2020 at 12:13 PM Joseph Armbruster via AMSAT-BB <
> amsat-bb at amsat.org> wrote:
>
>> Stephen,
>>
>> If someone shoots me a link to the foxtelem code, I'll gladly help debug
>> it.  I have a Funcube dongle Pro here I can use.
>>
>> Joseph Armbruster
>>
>>
>> On Wed, Jan 29, 2020 at 7:30 AM Stephen E. Belter <seb at wintek.com> wrote:
>>
>> > Joe,
>> >
>> > I believe the FUNcube dongle uses *two* virtual USB interfaces over the
>> > single physical USB port.  The IQ stream looks like a standard sound
>> card
>> > and is one of the virtual USB interfaces.
>> >
>> > The control functions like frequency, preamp gain, etc., use the
>> standard
>> > HID (Human Interface Device) interface, USB-HID.
>> >
>> > Jim's problem is unusual, but I have the same problem with FoxTelem on
>> my
>> > Windows 10 machines.  I haven't discovered a solution, yet.
>> >
>> > 73, Steve N9IP
>> > --
>> > Steve Belter, seb at wintek.com
>> >
>> >
>> > On 1/28/20, 10:00 PM, "AMSAT-BB on behalf of Joseph Armbruster via
>> > AMSAT-BB" <amsat-bb-bounces at amsat.org on behalf of amsat-bb at amsat.org>
>> > wrote:
>> >
>> >     Lib USB!? I thought Howard told me at the symposium (circa 2008)
>> that
>> > they
>> >     were using usb-hid ?!?!?
>> >
>> >     Howard...?  Or was that on the hardware-side?
>> >
>> >     Joseph Armbruster
>> >     KJ4JIO
>> >
>> >     On Tue, Jan 28, 2020 at 9:27 PM James Jipping via AMSAT-BB <
>> >     amsat-bb at amsat.org> wrote:
>> >
>> >     > Good Evening!
>> >     > While attempting to use my FunCube Pro directly from FoxTelem I
>> get
>> > an
>> >     > error:
>> >     > LIBUSB_ERROR_NOT_FOUND.   An internet search has found mentions of
>> > the
>> >     > error but no solutions for my situation.  I am using Windows 10
>> for
>> > the
>> >     > OS on my comupter.   Any thoughts or suggestions ??
>> >     >
>> >     > By the way, I use SDRConsole and feed the audio via VB_Audio
>> Virtual
>> >     > Cable with GREAT results.  I even have RSDConsole with WispDDE
>> > running
>> >     > the antenna rotor controller.  I thought I would try the direct
>> feed
>> >     > FoxTelem- to-FunCube before I set up My Raspberry Pi for
>> > "Fox-in-a-Box"
>> >     >
>> >     > One last question, while I'm here:  Is there any way FoxTelem
>> without
>> >     > SDRConsol, with a DDE program , could run the rotor controller?
>> >     >
>> >     > Thank you for you help.
>> >     >
>> >     > Jim Jipping, W8MRR
>> >     > AMSAT # 5512
>> >     > _______________________________________________
>> >     > Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum
>> > available
>> >     > to all interested persons worldwide without requiring membership.
>> > Opinions
>> >     > expressed
>> >     > are solely those of the author, and do not reflect the official
>> > views of
>> >     > AMSAT-NA.
>> >     > Not an AMSAT-NA member? Join now to support the amateur satellite
>> > program!
>> >     > Subscription settings:
>> > https://www.amsat.org/mailman/listinfo/amsat-bb
>> >     >
>> >     _______________________________________________
>> >     Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum
>> available
>> >     to all interested persons worldwide without requiring membership.
>> > Opinions expressed
>> >     are solely those of the author, and do not reflect the official
>> views
>> > of AMSAT-NA.
>> >     Not an AMSAT-NA member? Join now to support the amateur satellite
>> > program!
>> >     Subscription settings:
>> https://www.amsat.org/mailman/listinfo/amsat-bb
>> >
>> >
>> >
>> _______________________________________________
>> Sent via AMSAT-BB at amsat.org. AMSAT-NA makes this open forum available
>> to all interested persons worldwide without requiring membership.
>> Opinions expressed
>> are solely those of the author, and do not reflect the official views of
>> AMSAT-NA.
>> Not an AMSAT-NA member? Join now to support the amateur satellite program!
>> Subscription settings: https://www.amsat.org/mailman/listinfo/amsat-bb
>>
>
>
> --
> Chris E. Thompson
> chrisethompson at gmail.com
> g0kla at arrl.net
>