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

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04 Jan 2017 22:40 #57538 by mclarenman01
Replied by mclarenman01 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
G'day all!

Any more news on the telemetry for AFHDS 2A?

I have been flying my micro quad with the FS-A8S and Devo 7e for the last few weeks and love it! Connection seems to be rock solid! This receiver does not seem to support telemetry.

I have also got my X6B RX set up with a control board. I haven't finished building the quad yet but can verify that the transmitter binds and everything looks good in Betaflight.

Cheers!

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07 Jan 2017 15:21 #57633 by wetlander
Replied by wetlander on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Hi, mazi.
How did you get the iA6B receiver to bind using Devo 10. I have iA6C. Not sure what protocol to choose for binding. Suggestion is appreciated.

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07 Jan 2017 15:23 #57634 by goebish
Just select AFHDS 2A protocol, set your RX to bind mode (start it with bind plug connected) then click the Bind button in Deviation.

I know I've to work on telemetry ... not much has to be done actually, how lazy I am ...

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13 Jan 2017 01:58 #57867 by tkuan
I have been using iA6B receiver with my Devo 10 and love it. Does X6B receiver work with Devo before I order one? Thanks.

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13 Jan 2017 05:53 #57873 by wetlander
Replied by wetlander on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Hi, goebish.
has to have A7105 module installed in your Devo 10 to make use of this AFHDS2A protocol?

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13 Jan 2017 10:15 #57879 by goebish
Yes.

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27 Jan 2017 22:31 #58455 by Lilium JSN
Replied by Lilium JSN on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Hello everyone!

First of all i want to congratulate goebish for his great work reverse engineering AFHDS 2A protocol,
and everybody else that is involved. I have project in mind and i need your advice if it is doable.

I want to add a Bluetooth SOC in my FlySky-i6, listen to A7105 SDIO port for RX packets,
and capture AFHDS 2A telemetry data sent by Cleanflight to upgraded FS-iA6B's sense ibus.
I am using those projects as a base:
www.insidegadgets.com/2015/09/03/adding-...-tgy-i6-transmitter/
github.com/benb0jangles/FlySky-i6-Mod-/t...20Mod%20i6%20Updater
www.rcgroups.com/forums/showthread.php?2...e-1-6-with-a-ST-Link

I think benb0jangles' latest firmware for FS-i6 supports extended telemetry.
Searching around deviation src, i was only able to find these sensor ID's in flysky_afhds2a_a7105.c :
// telemetry sensors ID
enum{
    SENSOR_RX_VOLTAGE   = 0x00,
    SENSOR_RX_ERR_RATE  = 0xfe,
    SENSOR_RX_RSSI      = 0xfc,
    SENSOR_RX_NOISE     = 0xfb,
    SENSOR_RX_SNR       = 0xfa,
};

Are there any other known sensor ID's available at the moment? And most important, is this project doable?
I know my question is out of the scope of this topic, but i was not able to find any other data about
AFHDS 2A and A7105 on the internet. Thank you for your time and keep up the good work. Cheers!

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28 Jan 2017 10:40 #58465 by plaisthos
Replied by plaisthos on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Yes, see here:

github.com/opentx/opentx/blob/next/radio.../flysky_ibus.cpp#L52

Iirc I got the other one via Betaflight/Cleanflight.

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02 Feb 2017 18:23 - 03 Feb 2017 11:48 #58663 by Dutch_79
Hi all,

Can anyone please tell me how to update FS-IA6 RX firmware (Not B )
My RS seems to have old firmware and therfore sending wrong RSSI signal.

Regards,

Jasper
Last edit: 03 Feb 2017 11:48 by Dutch_79.

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08 Feb 2017 22:55 - 08 Feb 2017 22:58 #58951 by QC102
Sorry if this is a stupid question - but is A7105 module something I can buy and fit. i am not sure I can lick a stamp and get positive results though!
I have a Devo 10 - which I never use and nobody want to buy and I use an FSi6S - so if I can get my Devo 10 to see the FS rx... it may get an extended life...

EDIT: afterthought - its well know that getting the FSiA6 RX to bind with other TX - RCGroups has a lot of posts about this issue with the FS and TGY versions.

Does this apply with the Devo?
Last edit: 08 Feb 2017 22:58 by QC102.

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21 Feb 2017 22:23 #59415 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Hey guys just to report something weird, but I expect has more to do with the RX firmware than deviation.
Using FS-X6B, receiver.

When connecting ibus to betaflight Airbot F4, I get ranges 1000-0-2000, all fine
But when setting same receiver to Sbus also betaflight Airbot F4 the range is bit off. 1030 - 15 - 2000
Anyone seen that?

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22 Feb 2017 08:51 #59446 by povlhp
Just adjust endpoint accordingly. Whenever you change Rx / Protocol you must adjust endpoints/center.
We all do this, while looking at Betaflight Configurator. But the over-the-air protocol is the same, and and digital no matter what output comes from the Rx.

Is this all channels ro only Throttle ? I have actually seen throttle seems be have a higher default minimum across different transmitters.

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22 Feb 2017 12:07 - 22 Feb 2017 12:12 #59449 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
I can take your explanation for PWM and PPM signals.
For digtal signal SBUS and IBUS, I would assume the digital value are sent to be same. I use same RX same TX, same flightcontrol just change ibus to sbus settings.

Anyway indeed you could get away with it and adjust endpoints, but this is kind of harsh solution.
I reporting it here just to point out that maybe the Flysky RX, SBUS implementation not fully correct, maybe someone can confirm.

(BTW the RX just received from BG this week, not flashed any firmware, stock it send telemetry, not checked if there is new RX firmware and what to load)
Last edit: 22 Feb 2017 12:12 by Fernandez.

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25 Feb 2017 21:19 #59628 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Something else on this protocol, to set Failsave, all movies on the web show, it must be done from the Tx, it is pretty dangerous to fly without. Currently when signal stops it keeps sending the last received values.

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12 Mar 2017 19:18 #60154 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Anyone knows ? How can we set the failsave ?

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12 Mar 2017 19:54 #60155 by goebish

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13 Mar 2017 07:56 #60166 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Thanks missed completely about that, will give it a try!

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15 Mar 2017 09:50 #60210 by povlhp
I have seen in different places that the X6B has firmware issues in earlier models.
Failsafe only works on PWM, not PPM/iBus. Does anybody have the new updated firmware ? Or how can I read it out ? Did upgrade 2 old iA6B from 6 to 8 channel PPM output using Goebbish instructions.

And it actually looks like the X6B can be used for full 2-way telemetry as well (From iNav/CleanFlight/Betaflight), somebody saw the sensor requests on one of the iBus pins/pads. Current status of that code is, that it can use a singe serial port if you add a resistor and a diode.

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15 Mar 2017 14:38 #60217 by Peaceliker
Replied by Peaceliker on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Guys!
Someone can help me on x6b bind? I cant do this. Im turning on receiver while Å‘ushing bind button, its flash rapidly after that i push bind on tx but does not bind :(
Help me out pls!

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15 Mar 2017 18:43 #60222 by povlhp
Goebbish from your iA6B firmware update research, do you think all receivers share same firmware ? Can I flash iA6B fw on x6b?

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