[amsat-bb] Error accessing FunCube Pro from FoxTelem
Joseph Armbruster
josepharmbruster at gmail.com
Sat Feb 1 20:02:41 UTC 2020
Chris,
I just like building everything from source :-) I am unable to find a
SatPos implementation anywhere in the repository that has the
getDopplerFrequency on it. I checked all the .javas and... nuthin. The
code in the repository is definitely not source-complete.
Joe
On Fri, Jan 31, 2020 at 11:19 AM Chris Thompson <g0kla at arrl.net> wrote:
> There is a "predict" src folder that has FoxTelem specific stuff in it as
> I remember. There should not be a predict4java folder. You should just
> need the jar file. It's a slightly custom build of predict4java that
> includes Doppler calculations.
>
> 73
> Chris
>
> On Thu, Jan 30, 2020 at 5:51 PM Joseph Armbruster <
> josepharmbruster at gmail.com> wrote:
>
>> 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
>>>>>> > > _______________________________________________
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>>>>>> > > expressed
>>>>>> > > are solely those of the author, and do not reflect the
>>>>>> official
>>>>>> > views of
>>>>>> > > AMSAT-NA.
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>>>>>> > >
>>>>>> > _______________________________________________
>>>>>> > 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
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>>>>>> >
>>>>>> >
>>>>>> _______________________________________________
>>>>>> 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
>>>>>
>>>>
>
> --
> Chris E. Thompson
> chrisethompson at gmail.com
> g0kla at arrl.net
>
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