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pascallanger / DIY-Multiprotocol-TX-Module

Multiprotocol TX Module (or MULTI-Module) is a 2.4GHz transmitter module which controls many different receivers and models.
https://www.rcgroups.com/forums/showthread.php?t=2165676&goto=newpost
GNU General Public License v3.0
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No binding to esky F150 v2 #182

Closed labomat closed 4 years ago

labomat commented 6 years ago

Trying to bind a Esky 150 micro heli v2 ("Airwolf") without success to a Taranis with iRangeX module.

Module is in serial mode (both red and green leds are solid).

Model settings: External RF: Multi - Esky150 Version: v1.2.0.17 Tried the bind option on the tx.

On heli there is a blue led binking and after a few seconds a green led flashing.

On the deviation forum there is a discussion thread about different versions of the protocoll. Is the latest version used here? https://www.deviationtx.com/forum/6-general-discussions/6446-esky-150x-which-protocol?start=80

pascallanger commented 6 years ago

The protocol works and is up to date. It's just that this little heli is not so easy to bind. You need to bind at the right time. I can't remember exactly when but try at different time. Also you have to do a specific stick movement to start the heli. It's in the doc of the heli.

pascallanger commented 6 years ago

No comment since 9 days, I'm condidering it's working.

labomat commented 6 years ago

No, unfortunately it's not. I tried every possible moment with no luck. I also wrote to rcgroups where a guy could reproduce the problem: https://www.rcgroups.com/forums/showthread.php?3050896-Esky-f150-v2-can-bind-to-taranis-transmitter

pete9999 commented 4 years ago

Hi, I also have this issue and cannot get the esky 150 v2 to bind... I have a t16 pro v2 with internal multi module. tx is running 1.3.0.52 RETA for multi module setup a new model in opentx inputs to ch1 Rud ch2 Ele ch3 Thr ch4 Ail

mixer to same

tried using 4 ch, or 7 ch in multi setup to no avail. tried adding in ch5,6,7 normally and then setting to zero as some have suggested.

Nothing will allow me to bind, Just get the flashing blue and green lights on heli..

Once the green and blue lights are flashing you can bind with the original transmitter so that appear to be the right time to bind, but the multi module wont.

Is this a problem with this protocol? or Can anyone suggest any other things to try or share a opentx model that works?

Thanks in advance

pascallanger commented 4 years ago

It's a long time ago (couple of years) but I remember that the esky150x airwolf is a pain to bind. The bind with the original TX works each time because the heli already knows it... You need to do the bind at the right time. If I remember correctly you have to power it on, wait for the LED pattern to change then only bind but if you wait too long it gives up, so it's all about timing. You also need to do something with the sticks to activate it which is indicated in the documentation if I remember. I have a friend which has one (the one I used to reverse the protocol) but with the confinment I don't know when I'll be able to borrow it.

Pascal

pascallanger commented 4 years ago

Just realized, could it be another version? The one I've worked on was the esky F150X airwolf. If yes I need someone to send me the TX and heli so I can see what has changed and reverse the protocol if possible. Pascal

labomat commented 4 years ago

I think they made a new version some time ago -> v2

There are two major upgrades from ESKY F150X and it seems they changed something at the rc part:

  1. Transmitter Upgrade
    • Redesign the Tx appearance
    • More reliable 2.4GHz Tech, not easy to interrupt
    • Transmitter support up to 18 channel for future use (F150 V2 just used 5 channel)
  2. Structure Upgrade
    • Tail Vertical Fin LED Light design
    • Rotor Head upgraded that let the flight be more smooth
    • Pushrod upgraded that let the control be more accurate
    • CC3D Flight control upgraded that let the helicopter be more stable
pascallanger commented 4 years ago

Without the remote and heli there is nothing I can do... If someone is willing to ship it to me I will have a look.

labomat commented 4 years ago

I have the heli - is there something I can do from here? Taking some measurements?

pascallanger commented 4 years ago

Do you a logic analyzer that you can connect on the SPI bus? Can you open the TX to see what RF chip is being used (picture of the rf board)?

labomat commented 4 years ago

The main chip is labeled (as far as I can read it): N5 1822 QFAAH1 16 (or "0") 21CX

And yes, I have one of theses cheap usb logic analyzers - but not used it yet ... So I would giv it a try this evening if you can tell me what to measure.

pascallanger commented 4 years ago

Can you do some pictures? Is the RF really going out direct from this main chip?

labomat commented 4 years ago

IMG_6351 IMG_6349 IMG_6348

pascallanger commented 4 years ago

Oh that's an arm + 2.4GHz in a single chip... So nothing to connect to for analyzing. SDR is the only chance at this stage... Can you see the receiver side components?

labomat commented 4 years ago

IMG_6353

labomat commented 4 years ago

IMG_6355

schwabe commented 4 years ago

That is just a STM32 and a flash

The rf chip is not in the picture. I might be on another board or the backside of that board.

labomat commented 4 years ago

IMG_6362 2

labomat commented 4 years ago

Looks like the same as on the tx ...

pascallanger commented 4 years ago

SDR is the only way at this stage...

pascallanger commented 4 years ago

That is just a STM32 and a flash

The rf chip is not in the picture. I might be on another board or the backside of that board.

Welcome back! Long time not seeing you around.

labomat commented 4 years ago

So I guess it is not possible to get some information by analyzing the signaling between rf module and the rest of the system. I do not have any experience with sdr and do not have any equipment. I ve seen some cheap sdr usb sticks on amazon - are they suitable for recording the communication between tx and rx?

schwabe commented 4 years ago

@pascallanger I am still lurking and reading the mail from github but almost no time to really work on OpenTX/Multi :( The curiosity what RF would be on that board was strong enough to peek into this issue

labomat commented 4 years ago

I asked the manufactorer about the protokoll - this is what he told me:

Halo my friend, thank you for your support our product, for the old version protocol, we are using the fixed 2.4 frequency, so we heard many user can use their own receiver, but our F150V2 are using non-fixed frequency to avoid the lose control problem, the frequency will change every seconds, we are sorry to let you know we cannot provide you. Does this mean it is generally impossible to use the 4in1 module for this heli?

pascallanger commented 4 years ago

All protocols do frequency hopping... Their old protocol was using only 2 channels. FrSky is using 47 channels. So what they are saying is more that they don't want to give you the protocol they are using. I've never seen a company doing so anyway. I'm using this SDR: https://www.analog.com/en/design-center/evaluation-hardware-and-software/evaluation-boards-kits/adalm-pluto.html#eb-overview

labomat commented 4 years ago

is it possible to send private messages here - in order to exchange adress data?

pascallanger commented 4 years ago

Contact me by MP on RCGroups (hpnuts): https://www.rcgroups.com/forums/showthread.php?t=2165676&goto=newpost

pascallanger commented 4 years ago

If you can't contact me on RCG, look at my GitHub's profile, my email is there. Or press the donate button, my email address is there as well.

labomat commented 4 years ago

Another one unsuccessfully trying to bind the 150 v2 (different model but the same internal parts): https://www.youtube.com/watch?v=XmUIdMsBnZI&feature=youtu.be

pascallanger commented 4 years ago

I'm not sure what you are looking me to do... I've proposed you to ship me the heli+TX or I purchase the heli with a participation from your side. I haven't received an answer since a week or two. There is nothing I can do on this protocol remotely which we know will be hard to reverse anyway. Pascal

labomat commented 4 years ago

Just stumbled upon this video - messaged you on rc groups.

pascallanger commented 4 years ago

The TX is sending packets using GFSK at 250Kb/s. Here is just a preliminary analysis:

This mode is not compatible with a NRF24L01 which can only transmit a payload of max 32 bytes. The CC2500 should be able to send this payload.

There does not seem to have any extra checks in the payload.

Left to do:

Pascal

pascallanger commented 4 years ago

The bind packet is sent on channel 0 at 250Kbps every 57ms. It contains:

The CC2500 should be able to send all this data but no guarantee... But wow that's a lot of data in a single packet...

Pascal

pascallanger commented 4 years ago

Ok I can fly the heli using the multi module configured to use the original TX ID and hopping frequencies which the heli is already bound to. Now the problem is to send the bind frame...

pascallanger commented 4 years ago

Protocol fully reversed. It is available if you compile from master v1.3.0.95. I will do a release a bit later.

pascallanger commented 4 years ago

Release: https://github.com/pascallanger/DIY-Multiprotocol-TX-Module/releases/tag/v1.3.0.95 @labomat and @pete9999, please test and report. Pascal

labomat commented 4 years ago

@pascallanger Binding and flying seem to work flawless! Superb work!

yakacm commented 2 months ago

I've got this heli, but mine is the V3 version, I have tried the Esky V2 protocol on my TX16S MkII, Max, with built in 4-in-1, but it doesn't map the functions correctly, I can't get the throttle to work whatever I try. Any ideas I could try?

pitts-mo commented 2 months ago

I am not sure about your specific instance. However, throttle is often restrained by channel position, calibration, or an Arming switch position.

On Sun, Aug 11, 2024, 10:45 yakacm @.***> wrote:

I've got this heli, but mine is the V3 version, I have tried the Esky V2 protocol on my TX16S MkII, Max, with built in 4-in-1, but it doesn't map the functions correctly, I can't get the throttle to work whatever I try. Any ideas I could try?

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yakacm commented 2 months ago

Hey thanks for getting back to me, I thought about the arming switch, and I don't see anything, and moving all the switches has no effect. "throttle is oftenrestrained by channel position, calibration" could you elaborate on that, not too sure what you mean by, channel position or calibration.Thanks Andy.On 11 Aug 2024, at 17:24, pitts-mo @.***> wrote: I am not sure about your specific instance. However, throttle is often

restrained by channel position, calibration, or an Arming switch position.

On Sun, Aug 11, 2024, 10:45 yakacm @.***> wrote:

I've got this heli, but mine is the V3 version, I have tried the Esky V2

protocol on my TX16S MkII, Max, with built in 4-in-1, but it doesn't map

the functions correctly, I can't get the throttle to work whatever I try.

Any ideas I could try?

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pitts-mo commented 2 months ago

https://www.esky-rc.com/Uploads/202108/ESKY150V3_Manual.pdf

Suggest investigate throttle cut and the troubleshooting sections of the manual.

Maybe see if you can find a youtube video that covers configuration of the F150 (even older versions) in opentx/edgetx.

On Sun, Aug 11, 2024, 15:46 yakacm @.***> wrote:

Hey thanks for getting back to me, I thought about the arming switch, and I don't see anything, and moving all the switches has no effect. "throttle is oftenrestrained by channel position, calibration" could you elaborate on that, not too sure what you mean by, channel position or calibration.Thanks Andy.On 11 Aug 2024, at 17:24, pitts-mo @.***> wrote: I am not sure about your specific instance. However, throttle is often

restrained by channel position, calibration, or an Arming switch position.

On Sun, Aug 11, 2024, 10:45 yakacm @.***> wrote:

I've got this heli, but mine is the V3 version, I have tried the Esky V2

protocol on my TX16S MkII, Max, with built in 4-in-1, but it doesn't map

the functions correctly, I can't get the throttle to work whatever I try.

Any ideas I could try?

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< https://github.com/pascallanger/DIY-Multiprotocol-TX-Module/issues/182#issuecomment-2282784620>,

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pascallanger commented 2 months ago

150v3 flies perfectly fine. A friend has one and i've been able to configure it. The channels are not as described in my GitHub since for whatever reason they changed the order. I recommend removing the blades while playing with the config since his heli took off unexpectedly while I was figuring out the details. I think I still have the model on my radio. If that's the case I'll post the quick config I did at the time.

yakacm commented 2 months ago

Thanks for getting back to me, if you could could share the config that would be great. I've spent hours on the thing, and yes blades have been removed since day 1, if not it give you a little surprise, if you have the heli bound to the radio, and you turn the radio off or switch to another protocol, both motors start up full speed. I found this on Github

RX output will match the eSky standard TAER independently of the input configuration AETR, RETA... unless on OpenTX 2.3.3+ you use the "Disable channel mapping" feature on the GUI. To run this protocol you need both CC2500 and NRF24L01 to be enabled for code reasons, only the CC2500 is really used.

So disabled channel mapping, and that ch1 and ch2 working correctly, so, as I said above, it's just throttle I'm struggling with.

yakacm commented 2 months ago

Right oh guys, my E150 is now flying. I started again and created a new model, looking at protocol details up here on Github, where it mentions that Ch5 is rate, so I set a switch for channel 5, and then just took a guess at Ch6 being throttle cut, and that did it. I was only able to fly for about 20 seconds, before the batter needed charging, just because I'd spent so long trying to trouble shoot. Just charging the battery now, I'll need to buys some more. Anyway thanks Pascal and pitts-mo for your help, I didn't think I'd ever get this thing flying.