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

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21 Oct 2017 13:35 #65159 by goebish

quad450 wrote: EDIT: I have also found this www.deviationtx.com/forum/6-general-disc...power-afhds-2a#64720
It seems that TX power is set only in afhds2a_init(). So, if TX power is changed after powering on the transmitter, it is not set correctly.


You're right, I've just fixed it.

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23 Oct 2017 08:26 #65215 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
:kiss: :kiss:

Goebish, thanks your works are always appreciated!!

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23 Oct 2017 19:10 #65220 by daniel.snowsurf
Replied by daniel.snowsurf on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,

goebish wrote: @daniel.snowsurf I've hacked a 7e firmware with extended telemetry support for FrSky D & AFHDS 2A protocols at the expense of a few disabled stuffs (VIBRATINGMOTOR, MULTIMOD_SUPPORT, 4IN1FLASH). Also, I had to use size optimization flag for armgcc, I'm not sure this doesn't have any side effects, but everything seems to be fine, this firmware has been used by a few people since June already.
build: www.dropbox.com/sh/v1ckkohd8nmlc5a/AAA_n..._wCGMl8qbdtOgRa?dl=0
source: github.com/goebish/deviation/tree/7e_extended_telem


Thanks for the build. Sorry for answering so late, but I was having problems with the login.
In the meantime got docker runing over VMware and did a build myself, not easy but I got it. Something more drastic, removed the standard GUI completely (I never use it) and got space for the layout editor & extended telemetry.

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22 Nov 2017 12:06 #66048 by batata004
Replied by batata004 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
My friends,

Do you think it's possible to use nrf24l01 to communicate with i10, i6... radios/receiver? I mean, the A7105 chip is not easy to find here in brazil so I am wondering how easy it would be to receive data from my TGY-I6 radio and sent it to nrf24l01 (connect to arduino).

Thanks.

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22 Nov 2017 14:48 - 22 Nov 2017 14:50 #66053 by goebish
No that's not possible.
It *might* be possible to have a com between nrf24l01 and a7105 with an emulation layer (lots of work!), but only with very specific parameters (a7105 in gfsk mode, 250kbps, 1Mbps or 2Mbps, short packets) ... and that's not even sure it can work, it could fail because they've not the exact same gfsk deviation and probably other stuffs.
Last edit: 22 Nov 2017 14:50 by goebish.

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22 Nov 2017 20:19 #66073 by batata004
Replied by batata004 on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Thanks man, so I will give up using nrf24l01. I congrat you for the really nice work you did into this, you made a great job!

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25 Nov 2017 14:47 #66161 by cmonz
goebish great job for this, anyway how often the telemetry update, I feel that update every 10 seconds which is a bit slow, not sure what did I do wrong. I also do not know which value I have to set to alarm and monitor to show on the screen, it seem they use different name and they don't have all the value can show and monitor. I just want Devo alarm me when I got low voltage.

goebish wrote: @daniel.snowsurf I've hacked a 7e firmware with extended telemetry support for FrSky D & AFHDS 2A protocols at the expense of a few disabled stuffs (VIBRATINGMOTOR, MULTIMOD_SUPPORT, 4IN1FLASH). Also, I had to use size optimization flag for armgcc, I'm not sure this doesn't have any side effects, but everything seems to be fine, this firmware has been used by a few people since June already.
build: www.dropbox.com/sh/v1ckkohd8nmlc5a/AAA_n..._wCGMl8qbdtOgRa?dl=0
source: github.com/goebish/deviation/tree/7e_extended_telem

I'll probably not maintain it, that will be up to you to merge this branch with current master in order to update your build (if even possible, this build is already using most of the available flash space: 114.61kB out of 116kB).

ps: special thanks to my old armgcc toolchain (4.8.3) that produces smaller binaries than the current versions ;)

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25 Nov 2017 16:59 - 25 Nov 2017 17:24 #66163 by goebish
Telemetry is updated in realtime, whenever it's received from the Rx, maybe there's an issue with your a7105 module or Rx.
For voltage sensor, just experiment with what you have as different kinds of sensors (Rx, Rx built-in sensor, ibus sensor ...) will use a different field.

VOLT1 = Rx voltage
VOLT2 = external voltage sensor 1 (ibus,or sometime built into the Rx)
VOLT3 = external voltage sensor 2 (ibus)
CELL = voltage as reported by betaflight with ibus telemetry enabled
Last edit: 25 Nov 2017 17:24 by goebish.

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30 Nov 2017 16:46 #66285 by cmonz
I have test on my Taranis Qx7, it is updated immediately. But for Devo 7e it is delay liked 15 seconds. I use "Transmitter menu" >"Telemetry Monitor" to monitor it. In theMisc column it is updated real time, but not for Bat and Cells

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01 Dec 2017 20:13 #66302 by Fernandez
Replied by Fernandez on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
Did you check with RX/TX seperated at few meters range to be sure there is no swamping at of the RX side in the transmitter?

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02 Dec 2017 01:30 #66310 by cmonz
Yes, I did test that 4 meters away, I tested with Tinyfish board.

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02 Dec 2017 01:33 - 02 Dec 2017 01:36 #66311 by goebish
Can you test with an actual frsky Rx ?
With the tinyfish (no PA/LNA) I lose telemetry very often, even with the Taranis.
Last edit: 02 Dec 2017 01:36 by goebish.

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18 Dec 2017 08:00 #66523 by marcelobm
Hi Guys,

I've been having some issue with the afhds02a and the FS-iA6B. I have my devo 7e moded (A7105) and with deviation-devo7e-v5.0.0-8cddd9d,

I manage to bind it successfully but there seems to be a delay of about a second between my input in the transmitter and the action in the servos. I checked with other transmitters like DMX and Walkera and this delay does not happen.

Has anyone encountered this issue? does someone has a clue of how to fix it?

Thank you in advance.

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18 Dec 2017 09:54 - 18 Dec 2017 10:09 #66524 by goebish
Perhaps your A7105 oscillator is inaccurate, try to set Freq Tune protocol option (recent nightly build required).
Last edit: 18 Dec 2017 10:09 by goebish.

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19 Dec 2017 03:06 #66529 by cmonz

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19 Dec 2017 11:14 #66534 by goebish
No idea cmonz, and I do not have a 7e to test by myself.
Maybe you can ask daniel.snowsurf to share his modded firmware so you can check if the issue comes from my hacked firmware or your cc2500 module ...

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20 Dec 2017 22:04 #66551 by daniel.snowsurf
Replied by daniel.snowsurf on topic Flysky AFHDS 2A, protocol as used i10, i6, iT4,
I have no issues with 7e and X6B receiver. I have this A7105 module installed:
https://www.banggood.com/es/A7105-Wireless-RF-2_4GHz-Transceiver-Module-3_3V-Power-Supply-Module-p-909404.html?cur_warehouse=CN
With nightly build it was working fine, no delays. And the same with the custom build with extended telemetry. You can download the build to test it:
devo 7e AFHDS 2A extended telemetry
- No standard GUI
- Extended telemetry only for AFHDS 2A
- Page layout editor

marcelobm and cmonz, if you test the nightly build it should work fine, no delays.

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21 Dec 2017 14:52 #66555 by HTo1980

goebish wrote: Devo 8
Devo 10
Devo 12
source

I had to merge PPM & SBUS output options into the same item, so this is a 4 choices option:

  • PWM + IBUS (default)
  • PPM + IBUS
  • PWM + SBUS
  • PPM + SBUS


Hi everybody,
I am new to this forum so please excuse my noobness. It seems I don't get AFHDS 2A working on my DEVO 10 whatever I try. I installed the very 4in1 module as described here , after that I uncommented the respective modules in the hardware.ini using the devo10-v5.0.0-ed27f5f DFU.
Accessing the model setup I don't find the AFHSD2A protocol selectable in the menu and FlySky won't bind with my FS-A8S. The receiver is OK as checked with the FlySky TX of a friend.
Do you have any suggestions or f/w version for the DEVO 10 with the AFHSD2A protocol selectable as the above URLs aren't valid anymore?
Thanks.
Holger

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21 Dec 2017 15:04 #66556 by HTo1980
Hi guys,
Do you have an idea what else to try getting my devo 10 to work with FlySky/AFHDS2A... FS A8S?
I installed the 4in1 module and uncommented the modules in the hardware.ini. No error messages etc.
The remote works nicely with DSM2/X and some proprietary protocols. Nevertheless, it won't show AFHDS 2A in the protocol section of the remote whatever I do. Since all of the dropbox links for DEVO 10 in this thread seem invalid could you point me to a file including AFHDS 2A, please?
Thanks.

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21 Dec 2017 15:16 #66557 by vlad_vy
Firmware version?

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