[amsat-bb] Error accessing FunCube Pro from FoxTelem
Joseph Armbruster
josepharmbruster at gmail.com
Thu Jan 30 22:51:33 UTC 2020
No GroundStationSatellite in master. Hence why I ask.
Joe
On Thu, Jan 30, 2020 at 5:45 PM Joseph Armbruster <
josepharmbruster at gmail.com> wrote:
> Chris,
>
> There's a predict4java source folder and a predict4java.jar?
>
> Which is the correct one to use? :-)
>
> Joseph Armbruster
>
> On Thu, Jan 30, 2020 at 5:17 PM Joseph Armbruster <
> josepharmbruster at gmail.com> wrote:
>
>> 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
>>>
>>
More information about the AMSAT-BB
mailing list