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Flysky AFHDS 2A, protocol as used i10, i6, iT4,

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22 Apr 2016 12:54 #46982 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Work in progress, I'll try to have an already bound RX to work first, then the bind stage ...

Don't expect much until mid May tho, I'm going in holidays in 1 week and I've to get the flying machines I bring with me ready ;)

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22 Apr 2016 14:46 - 22 Apr 2016 14:48 #46990 by Alexandro
Replied by Alexandro on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Nice , Frankenstein TX :)

Time is not a Problem !

greeting Alex

-> BTW The RX has Modell match <-
Last edit: 22 Apr 2016 14:48 by Alexandro.

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22 Apr 2016 15:02 #46991 by victzh
Replied by victzh on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
What a nice, polite people! They marked the connections so clearly it's a pleasure to solder to such points! A bit more courtesy - and we'd had the protocol itself described fully in a nicely formatted document :-)

Sorry for off-topic, what brand is this battery meter?

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22 Apr 2016 15:20 - 22 Apr 2016 16:07 #46992 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,

victzh wrote: what brand is this battery meter?


This is a BVM-8S (+/- $15 on ebay), nice battery meter, it even has an external buzzers module to make the programmable alarm louder.
Last edit: 22 Apr 2016 16:07 by goebish.

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22 Apr 2016 16:11 - 22 Apr 2016 16:11 #46996 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,

victzh wrote: A bit more courtesy - and we'd had the protocol itself described fully in a nicely formatted document :-)


I wish the manufacturer was so cooperative, but I don't even dare to ask :p
Last edit: 22 Apr 2016 16:11 by goebish.

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23 Apr 2016 13:42 - 23 Apr 2016 14:02 #47046 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Some progress, simple homemade TX (Arduino+A7105) sending packets to a ia10 RX (which RXID and expected TXID / channel sequence is already known), that's kinda cheating but at least that confirms that we can do it with the A7105 :)

Also, looks like the RX is permissive as I don't even send all the packets the stock TX sends at startup ...

Last edit: 23 Apr 2016 14:02 by goebish.

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23 Apr 2016 18:54 #47069 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Fantastic, it is like digital puzzle for you? Probably feels good when solved.... Full credits from my side!

Any idea abaout the functioning of dual antennas on the tx a diversity switch or two independent parallel stages? What would tx do with diversity? is there difference between A7105 and A7106?

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23 Apr 2016 19:10 #47070 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
stinkydiver73 explains how antenna switching works in this thread:
www.deviationtx.com/forum/protocol-devel...4?limitstart=0#44007

Of course that won't be implemented in Deviation as we're using "simple" A7105 modules, without an extra RF switch and only 1 antenna.

There are a few differences between A7105 & A7106, but nothing we really care.

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23 Apr 2016 19:16 #47071 by victzh
Replied by victzh on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
@goebish, congrats!

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23 Apr 2016 21:54 - 23 Apr 2016 22:04 #47077 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Thanks victzh, I owe you, hexfet, PB, midelic ... most of the stuffs I know about this business, all of that was just black magic to me before I registered to deviationtx.com ;)

The protocol is revealing its mysteries ... I think I found how to set PWM refresh rate.
Last edit: 23 Apr 2016 22:04 by goebish.

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25 Apr 2016 02:50 #47131 by dc59
Replied by dc59 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Hi Goebish,
You really did a great job! :cheer:

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25 Apr 2016 23:13 - 25 Apr 2016 23:54 #47191 by goebish
Replied by goebish on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Just an update :)

- now working on Devo
- Configurable servo refresh rate
- RX voltage telemetry



I believe it deserves its own protocol, not just a FlySky protocol format option as it is quite different and has its own options.
Next step: work on bind stage, knocking on wood, I hope frequency hopping is working à la HiSky.
See you in ~2 weeks now ;)
Last edit: 25 Apr 2016 23:54 by goebish.

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26 Apr 2016 00:30 #47196 by dc59
Replied by dc59 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
:woohoo: :woohoo: :woohoo:

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26 Apr 2016 02:32 #47204 by hexfet
Replied by hexfet on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Very nice! Enjoy your holiday :)

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26 Apr 2016 07:57 - 26 Apr 2016 07:58 #47215 by Alexandro
Replied by Alexandro on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Good Holidays goebish :)
Last edit: 26 Apr 2016 07:58 by Alexandro.

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26 Apr 2016 08:00 #47216 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Looking good Goebish!! Have a nice holiday enjoy !!

Flysky i-bus serial protocol, recently also compatible with Cleanflight/Betaflight Flightcontrollers.
Full digital system as Deviation what can we say about latency? Would it mean 50Hz samples= <20ms, variable latency? What would be the max samping rate?
How is that working? Is it real samples over the air, or the sample outputrate set at the RX?

With this positive news, I think can order some Rx.......

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26 Apr 2016 09:02 #47218 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Not sure if it is usefull, I came across this for RSSI, it seems that it is sent back to the Tx alos.
www.insidegadgets.com/2015/09/03/adding-...-tgy-i6-transmitter/

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26 Apr 2016 09:54 #47221 by dc59
Replied by dc59 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,

Fernandez wrote: Flysky i-bus serial protocol, recently also compatible with Cleanflight/Betaflight Flightcontrollers.


Hi,
Which version of Cleanflight/Betaflight dose support i-BUS ?
Thank you! :cheer:

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26 Apr 2016 10:13 #47222 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Off topic/
github.com/borisbstyle/betaflight/releases/

Really stable and recommended B 2.6.1

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26 Apr 2016 10:39 #47223 by dc59
Replied by dc59 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,

Fernandez wrote: Off topic/
github.com/borisbstyle/betaflight/releases/

Really stable and recommended B 2.6.1


Thanks a lot.

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