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New Hubsan Upgraded Version on the way

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27 Dec 2013 21:38 - 27 Dec 2013 21:39 #17157 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way

@Daryoon, I'm sorry but I think there was a problem with your latest dump, 27 first seconds are OK, I can see the frames where you enable/disable LEDs but there're big holes in the dump after that.

Is your logic analyzer plugged directly on an usb port or is it on a hub ?

... or maybe this is totally normal that there's no activity on the SPI bus while you navigate in the screen menus...
I think I see a new Tx frame type starting with 0x40 instead of 0x20, maybe this is what sets the vTX frequency.
more things start to emerge .... :)
Last edit: 27 Dec 2013 21:39 by goebish.

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27 Dec 2013 21:45 - 27 Dec 2013 21:48 #17158 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
I think I got it (again) :)
Those are the frames I'm talking of:
    aa bb cc dd ee ff gg hh ii jj kk ll mm nn oo pp
Tx: 40 16 67 82 80 00 80 00 80 0e 19 00 34 00 2a bc 
Tx: 40 16 67 82 80 00 80 00 80 0e 19 00 34 00 2a bc 
Tx: 40 16 6c 82 80 00 80 00 80 0e 19 00 34 00 2a b7 
Tx: 40 16 6c 82 80 00 80 00 80 0e 19 00 34 00 2a b7 
Tx: 40 16 71 82 80 00 80 00 80 0e 19 00 34 00 2a b2 
Tx: 40 16 71 82 80 00 80 00 80 0e 19 00 34 00 2a b2 
Tx: 40 16 76 82 80 00 80 00 80 0e 19 00 34 00 2a ad 
Tx: 40 16 76 82 80 00 80 00 80 0e 19 00 34 00 2a ad 
Tx: 40 16 7b 82 80 00 80 00 80 0e 19 00 34 00 2a a8 
Tx: 40 16 7b 82 80 00 80 00 80 0e 19 00 34 00 2a a8 
Tx: 40 16 80 82 80 00 80 00 80 0e 19 00 34 00 2a a3 
Tx: 40 16 80 82 80 00 80 00 80 0e 19 00 34 00 2a a3 
Tx: 40 16 85 82 80 00 80 00 80 0e 19 00 34 00 2a 9e 
Tx: 40 16 85 82 80 00 80 00 80 0e 19 00 34 00 2a 9e 
Tx: 40 16 8a 82 80 00 80 00 80 0e 19 00 34 00 2a 99 
Tx: 40 16 8a 82 80 00 80 00 80 0e 19 00 34 00 2a 99 
Tx: 40 16 8f 82 80 00 80 00 80 0e 19 00 34 00 2a 94 
Tx: 40 16 8f 82 80 00 80 00 80 0e 19 00 34 00 2a 94 
Tx: 40 16 94 82 80 00 80 00 80 0e 19 00 34 00 2a 8f 
Tx: 40 16 94 82 80 00 80 00 80 0e 19 00 34 00 2a 8f

Looks like each cc is a different frequency :)
The frame is sent twice each time a new frequency is set.
There're 20 of those frames in the latest dump, = 10 frequencies changes, exactly what I see in the video.

Daryoon, which devo TX are you using so I can build you a test firmware ?
Do you already have an a7105 in your Devo ?

I think frequency selection is the most important (and most easy to implement into deviation), I can have a look at telemetry later.
Last edit: 27 Dec 2013 21:48 by goebish.

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27 Dec 2013 22:01 - 27 Dec 2013 22:03 #17161 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
I am using a Devo7e. I do have the A7105 in my radio. It can currently bind to the X4 FPV and fly it. The logic analyzer is plugged directly into the USB port.

I can upload firmware and test whenever you're ready.

What am I testing for? I didn't follow what you guys were trying to do. LOL
Last edit: 27 Dec 2013 22:03 by Daryoon.

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27 Dec 2013 22:03 #17163 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
I need to know something else.

Do you have another 5.8GHz receiver and screen or goggles ? on which frequency ?

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27 Dec 2013 22:07 #17164 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
No I do not. I figured that would be an issue. LOL

I suppose one of the other guys with FPV goggles will be a better test candidate.

I am still researching on a good pair of goggles for FPV.

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27 Dec 2013 22:13 #17166 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
Ok, thanks for your help anyway, you had the guts to open your Tx for the community :)

Xermalk, are you a candidate ?

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27 Dec 2013 22:15 - 27 Dec 2013 22:16 #17168 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
Hmmm Daryoon.... can you bind to your Devo TX and still have the picture on the Hubsan tx ?
Last edit: 27 Dec 2013 22:16 by goebish.

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27 Dec 2013 22:18 #17169 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
I tried that. No go.

But let me try some other variations.

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27 Dec 2013 22:21 - 27 Dec 2013 22:22 #17170 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
Tried different ways. Nothing works to have Devo control, but Hubsan radio be VRX. :(

Ok, thanks for your help anyway, you had the guts to open your Tx for the community :)


Always willing and able to help you guys help us. :)
Last edit: 27 Dec 2013 22:22 by Daryoon.

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27 Dec 2013 22:24 - 27 Dec 2013 22:29 #17171 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
Ok, does the Hubsan tx let you select a vtx frequency if not bound ? (even if you don't see the video, that's OK).
Last edit: 27 Dec 2013 22:29 by goebish.

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27 Dec 2013 22:29 - 27 Dec 2013 22:30 #17173 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
When not bound, it stays at the Hubsan splash screen with the text "Bind to Plane"

I can not get past that splash screen without the X4 quad bound.

You can see that splash screen briefly in the video I uploaded.

It stays on that screen indefinitely when a X4 quad is not detected.
Last edit: 27 Dec 2013 22:30 by Daryoon.

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27 Dec 2013 22:30 #17174 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
Ok, and what if you bind then remove the battery from the quad ?

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27 Dec 2013 22:32 #17175 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
I did that. The minute you remove the battery from the quad, the LCD on the TX shows black.

Then when I bound the X4 to my devo. The LCD on the Hubsan TX still shows black.

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27 Dec 2013 22:32 - 28 Dec 2013 20:04 #17176 by midelic
Replied by midelic on topic New Hubsan Upgraded Version on the way
The telemetry packet is on this form starts with 0xE0 not 0xFF in fact there are 2 telemetry packets , alternates one time starts 0xE0 ,next telemetry packet with 0xE1

1:0xE0,0xFF,0xAB,0x00,0x1B,0x00,0x13,0x00,0x03,0x00,0x00,0x00,0x00,0x2A,0x00,0x1B
2:0xE0,0xFF,0xF7,0x00,0x02,0x00,0x13,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x17
3.0xE1,0xFF,0x4A,0x00,0x36,0x00,0x33,0xFE,0xB9,0x00,0x5D,0x03,0xDB,0x28,0x00,0x53

that F0 from before was strobe command pointer RX reset
Last edit: 28 Dec 2013 20:04 by midelic.

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27 Dec 2013 22:35 #17179 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way

Daryoon wrote: I did that. The minute you remove the battery from the quad, the LCD on the TX shows black.

Then when I bound the X4 to my devo. The LCD on the Hubsan TX still shows black.

Totally black or do you still have menu control, timer and tx battery level green overlay ?

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27 Dec 2013 22:38 - 27 Dec 2013 22:39 #17180 by Xermalk
Replied by Xermalk on topic New Hubsan Upgraded Version on the way
I have a boscam vrx. Im going to bed soon though, its 23:40 here. Ill gladly help when i wake up in ~9h or so.


You skip the "bind to plane" by pressing the right square button for 2 seconds. This allows you to monitor any 5.8 frequency or watch older recorded videos on the sd card.
Last edit: 27 Dec 2013 22:39 by Xermalk.

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27 Dec 2013 22:38 #17182 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way
Ah, good point.

I still have menu control, overlay, etc. Just no video from the quad.

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27 Dec 2013 22:39 #17184 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
Thanks a bunch Xermalk !
You're our savior !

Oh... we're living in the same timezone.

Good night :)

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27 Dec 2013 22:40 #17185 by Daryoon
Replied by Daryoon on topic New Hubsan Upgraded Version on the way

Xermalk wrote: I have a boscam vrx. Im going to bed soon though, its 23:40 here. Ill gladly help when i wake up in ~9h or so.


You skip the "bind to plane" by pressing the right square button for 2 seconds. This allows you to monitor any 5.8 frequency or watch older recorded videos on the sd card.


Ah, good to know.

I bound to the Devo7e.

Then turn on the Hubsan TX. Pressed the right square button. Got past the "Bind to Plane" message. However, still no video.

What should I try next?

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27 Dec 2013 22:42 #17186 by goebish
Replied by goebish on topic New Hubsan Upgraded Version on the way
Ok, let me prepare a coffee and I'll try to quickly hack a firmware, but there's very little chance it will work at the first time, maybe it will require a bit more analysis.

Good cooperative work guys :)

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