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Esky 150X, which protocol ?

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06 Oct 2016 13:11 #54654 by dado099
Esky 150X, which protocol ? was created by dado099
Hi I would like to buy this hely from banggood, but I don't know if it is compatible with a deviation protocol.
Anybody tried it, I guess with esky150 protocol ?
Thanks

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31 Oct 2016 05:04 #55537 by lamlawrence3c3c
Replied by lamlawrence3c3c on topic Esky 150X, which protocol ?
As My information, the Protocol was same for the ESKY150X and ESKY150 as my attached photo.

File Attachment:

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31 Oct 2016 08:23 - 31 Oct 2016 08:28 #55540 by dado099
Replied by dado099 on topic Esky 150X, which protocol ?
No, I don't agree because Seby docky has made a video on you tube that shows that it doesn't bind with esky150 protocol.
He promised to make an spi capture, but unfortunately he didn't do already.

Last edit: 31 Oct 2016 08:28 by dado099.

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31 Oct 2016 08:38 - 31 Oct 2016 08:39 #55542 by lamlawrence3c3c
Replied by lamlawrence3c3c on topic Esky 150X, which protocol ?
Are you talking this video for ESKY150?

Last edit: 31 Oct 2016 08:39 by lamlawrence3c3c.

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31 Oct 2016 08:43 #55543 by dado099
Replied by dado099 on topic Esky 150X, which protocol ?
No, that'original esky 150 video that works with deviation.
I just updated my previous post with new one, please look at 3:00 minute.
Thanks

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31 Oct 2016 08:57 #55544 by lamlawrence3c3c
Replied by lamlawrence3c3c on topic Esky 150X, which protocol ?
i see, then we should wait seBydocky updated his news.

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04 Dec 2016 12:44 - 04 Dec 2016 12:47 #56507 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
Any news?

I think the problem is very possibly only a minor one. E.g some different ID codes or something.

@lamlawrence3c3c:
As I saw from the CC3D-config-file. CH5 is used to select flight mode.
But what are CH6 and CH7 for?
Hmm probably they're just spare. But CH6 one could certainly use for gain adjustment in flight to get the proper PID values.
And what should rotation resistor for CH6 mean?

@all:
I could attach a SPI protocol analyzer to my TX. What are the important parts to log? Probably the init.
Last edit: 04 Dec 2016 12:47 by Käseknigger.

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08 Dec 2016 05:22 #56651 by lamlawrence3c3c
Replied by lamlawrence3c3c on topic Esky 150X, which protocol ?

Käseknigger wrote: Any news?

I think the problem is very possibly only a minor one. E.g some different ID codes or something.

@lamlawrence3c3c:
As I saw from the CC3D-config-file. CH5 is used to select flight mode.
But what are CH6 and CH7 for?
Hmm probably they're just spare. But CH6 one could certainly use for gain adjustment in flight to get the proper PID values.
And what should rotation resistor for CH6 mean?

@all:
I could attach a SPI protocol analyzer to my TX. What are the important parts to log? Probably the init.


I think that the CH6 and CH7 are not in used in this ESKY150X.
i agree that CH6 is spare for adjust the PID values in flight.
By the way, i find that there a button on the upper right corner.it should be for CH6.

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08 Dec 2016 10:38 - 09 Dec 2016 12:45 #56660 by Thomas.Heiss
Replied by Thomas.Heiss on topic Esky 150X, which protocol ?
According to Banggood's description this heli has only two servos.
So it is a FixedPitch (FBL) heli.

With two servos it does NOT have collective pitch (on main blades)!

For flying outdoors in light / mid wind you better get a CP heli like NanoCPx/NanoCPS (brushed) or XK K110 (brushless main motor).
Last edit: 09 Dec 2016 12:45 by Thomas.Heiss.

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09 Dec 2016 07:59 #56699 by lamlawrence3c3c
Replied by lamlawrence3c3c on topic Esky 150X, which protocol ?
CP is it mean there have a belt from main motor to tail blade?
FBL is it mean there have a tail motor for the tail blade?

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09 Dec 2016 12:41 - 09 Dec 2016 12:42 #56701 by Thomas.Heiss
Replied by Thomas.Heiss on topic Esky 150X, which protocol ?
No, not at all.

CP = collective pitch (usually for main blades and most of the times also for tail blades)
FP = fixed pitch
FBL = flybarless (without 90 degree (real) flybar: don't confuse with entry level FP which only have a self-stabilizing 45 degree flybar "Stabistange")

belt driven (BD) = belt from main motor to tail blades (collective pitch on tail as well as)
torque tube (TT) = tail blades are connected to front with gears (collective pitch on tail as well as)
motor driven = tail has separate motor instead of collective pitch
Last edit: 09 Dec 2016 12:42 by Thomas.Heiss.

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09 Dec 2016 14:05 #56706 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
@Thomas.Heiss:

Sure there are other helis. And yes, this is a FP heli. But I don't think this is the place to discuss which heli you favor.

I think the topic is rather about the protocol the 150X uses, and to get it working with the devo.

But JFYI: I'm interested in this one, as the heli is tiny and due to FP has a low headspeed (ideal for indoors) and additionally has a CC3D compatible FC onboard.

When I find the time I will make an SPI log of the binding process, as I think the difference of the 150 to the 150x is probably only a binding issue (IDs)...

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16 Dec 2016 19:25 - 16 Dec 2016 20:41 #56896 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
OK, I made a first capture.

First just what the TX send to bind, without the RX powered ON.

It continuously sends those packets, in 4 different variants (always in the same order):
0.003240250000000,2,0xA0,0xFF (write payload)
0.003311000000000,2,0x22,0xFF
0.003381541666667,2,0x4A,0xFF
0.003452083333333,2,0x03,0xFF
0.003522625000000,2,0xD4,0xFF
0.003593166666667,2,0x35,0xFF
0.003663708333333,2,0xDC,0xFF
0.003734250000000,2,0xE5,0xFF
0.003804791666667,2,0xDC,0xFF
0.003875333333333,2,0x85,0xFF
0.003945875000000,2,0xDA,0xFF DA DA DB DA DA
0.004016458333333,2,0x00,0xFF
0.004087000000000,2,0x00,0xFF
0.004157541666667,2,0x40,0xFF
0.004228083333333,2,0x00,0xFF
0.004298625000000,2,0xB4,0xFF B4 B4 B5 B4 B4
0.004596916666667,3,0x27,0x00 (set/read status, ...)
0.004652125000000,3,0x70,0x1F (...and clear ACK status bits ints etc)
0.004721958333333,4,0x25,0xFF (change channel)
0.004777208333333,4,0x22,0xFF 4A 22 4A 22 4A

(The extended Hex are the variations of the next packages. As you can see after 4 it starts over again)

As said the TX uses a BK2425.
Can anybody already see here, that the TX tries something different than for the already implemented esky 150 protocol?

EDIT:
Hmm, had a look at the source of the 150 protocol implementation. Can it be, that it doesn't have any binding process??? To me it looks like that.
That would mean, that the above package I logged is already the data package, which BTW seems to have the same payload size.
The DA DB difference would then be just a jitter from the throttle ADC, and the B4 B5 difference the corresponding different checksum.

Edit2:
Hmm, I saw a difference:
The last 4 bytes before the checksum in the payload are like that in the esky 150 implementation:
// Constant values 00 d8 18 f8
    packet[10] = 0x00;
    packet[11] = 0xd8;
    packet[12] = 0x18;
    packet[13] = 0xf8;

But the same values are 0x00, 0x00, 0x40, 0x00 in the esky 150x SPI capture!
Last edit: 16 Dec 2016 20:41 by Käseknigger.

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16 Dec 2016 21:56 #56898 by SeByDocKy
Replied by SeByDocKy on topic Esky 150X, which protocol ?
Did you capture the binding step by pressing the yaw trim the right while powering (if I remember well the procedure) ?

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16 Dec 2016 21:59 #56899 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
OK, now captured the init (added comments).

It really seems there are only 2 differences between the 150 and 150x.
First I have a different TX_ID. But probably all TXs have different ones.
So the only thing remaining different is really just these 4 bytes in the normal data package.
So I almost bet my left hand, that it will work with the 150X, if one would make these 4 bytes different for a 150x. How to implement this, with a subselection?
0.216965875000000,0,0x07,0xFF  read status reg
0.217020250000000,0,0xFF,0xFF  NOP (for reading)

0.217091625000000,1,0x37,0xFF  write fifo status reg
0.217146875000000,1,0x00,0xFF

0.217215250000000,2,0x36,0xFF  write RX_PW_P5 reg
0.217270500000000,2,0x20,0xFF  (32 bytes)

0.217338875000000,3,0x35,0xFF  write RX_PW_P4 reg
0.217394000000000,3,0x20,0xFF  (32 bytes)

0.217462375000000,4,0x34,0xFF  write RX_PW_P3 reg
0.217517625000000,4,0x20,0xFF  (32 bytes)

0.217586000000000,5,0x33,0xFF  write RX_PW_P2 reg
0.217641250000000,5,0x20,0xFF  (32 bytes)

0.217709625000000,6,0x32,0xFF  write RX_PW_P1 reg
0.217764750000000,6,0x20,0xFF  (32 bytes)

0.217833125000000,7,0x31,0xFF  write RX_PW_P0 reg
0.217888375000000,7,0x0F,0xFF  (15 bytes)

0.217956750000000,8,0x2F,0xFF  write RX_ADDR_P5
0.218012000000000,8,0xC6,0xFF  (default value)

0.218080375000000,9,0x2E,0xFF  write RX_ADDR_P4
0.218135500000000,9,0xC5,0xFF  (default value)

0.218203875000000,10,0x2D,0xFF  write RX_ADDR_P3
0.218259125000000,10,0xC4,0xFF  (default value)

0.218327500000000,11,0x2C,0xFF  write RX_ADDR_P2
0.218382625000000,11,0xC3,0xFF  (default value)

0.218451000000000,12,0x29,0xFF  write CD reg
0.218506250000000,12,0x00,0xFF  (this is useless, as it is read only???)

0.218574500000000,13,0x28,0xFF  write OBSERVE_TX reg
0.218629750000000,13,0x00,0xFF  (this is useless, as it is read only???)

0.218698125000000,14,0x27,0xFF  write status reg
0.218753250000000,14,0x07,0xFF

0.218821625000000,15,0x26,0xFF write RF_SETUP reg
0.218876875000000,15,0x0E,0xFF (2Mbps)

0.218945250000000,16,0x25,0xFF select RF channel  (will be overwritten later)
0.219000375000000,16,0x01,0xFF

0.219068750000000,17,0x24,0xFF write SETUP_RETR reg
0.219124000000000,17,0x00,0xFF (250us wait, no retransmit)

0.219192375000000,18,0x23,0xFF  write SETUP_AW reg
0.219247500000000,18,0x02,0xFF  (4 Byte RX/TX addresses)

0.219315875000000,19,0x22,0xFF (write 02:EN_RXADDR register)
0.219371125000000,19,0x00,0xFF

0.219439375000000,20,0x21,0xFF (write 01:EN_AA register)
0.219494625000000,20,0x00,0xFF

0.219563000000000,21,0x20,0xFF (write 00:config register)
0.219618125000000,21,0x5E,0xFF  TX_DS on int pin, 

0.219684000000000,22,0x2A,0xFF write RX address
0.219754750000000,22,0x73,0xFF
0.219825250000000,22,0x73,0xFF
0.219895750000000,22,0x74,0xFF
0.219966250000000,22,0x63,0xFF

0.220032500000000,23,0x30,0xFF write TX address  (will be overwritten later)
0.220103125000000,23,0x73,0xFF
0.220173750000000,23,0x73,0xFF
0.220244250000000,23,0x74,0xFF
0.220314750000000,23,0x63,0xFF

0.220375000000000,24,0x1D,0xFF  read feature reg
0.220429250000000,24,0xFF,0xFF  NOP (get value)

0.220487500000000,25,0x50,0xFF  activate...
0.220542750000000,25,0x73,0xFF  ...activate (rest
)
0.220610125000000,26,0x3D,0xFF  write feature reg
0.220665375000000,26,0x07,0xFF

0.220733625000000,27,0x3C,0xFF  write DYNPD reg
0.220788875000000,27,0x3F,0xFF


(now starts BK2425 specific initialization, not needed for Nrfl chip)

0.220851125000000,28,0x07,0xFF  read current active register bank
0.220905375000000,28,0xFF,0xFF  NOP (read the bank no)

0.220965500000000,29,0x50,0xFF  activate...
0.221020625000000,29,0x53,0xFF  ...BANK 1 

0.221322500000000,30,0x20,0xFF  init bank 1,00
0.221393125000000,30,0x40,0xFF
0.221463750000000,30,0x4B,0xFF
0.221534250000000,30,0x01,0xFF
0.221604750000000,30,0xE2,0xFF

0.221914250000000,31,0x21,0xFF  init bank 1,01
0.221984875000000,31,0xC0,0xFF
0.222055375000000,31,0x4B,0xFF
0.222126000000000,31,0x00,0xFF
0.222196500000000,31,0x00,0xFF

0.222505875000000,32,0x22,0xFF  init bank 1,02
0.222576500000000,32,0xD0,0xFF
0.222647125000000,32,0xFC,0xFF
0.222717625000000,32,0x8C,0xFF
0.222788125000000,32,0x02,0xFF

0.223097500000000,33,0x23,0xFF  init bank 1,03
0.223168250000000,33,0x99,0xFF
0.223238750000000,33,0x00,0xFF
0.223309250000000,33,0x39,0xFF
0.223379750000000,33,0x21,0xFF

0.223689250000000,34,0x24,0xFF  init bank 1,04 (not as in datasheet!)
0.223760000000000,34,0xD9,0xFF
0.223830500000000,34,0x96,0xFF
0.223901000000000,34,0x82,0xFF
0.223971500000000,34,0x1B,0xFF

0.224281000000000,35,0x25,0xFF  init bank 1,05 (not as in datasheet!)
0.224351625000000,35,0x24,0xFF
0.224422125000000,35,0x06,0xFF
0.224492750000000,35,0x7F,0xFF
0.224563250000000,35,0xA6,0xFF

0.224872750000000,36,0x26,0xFF  init bank 1,06 (reserved in datasheet!)
0.224943500000000,36,0x00,0xFF
0.225014000000000,36,0x00,0xFF
0.225084500000000,36,0x00,0xFF
0.225155000000000,36,0x00,0xFF

0.225464500000000,37,0x27,0xFF  init bank 1,07 (reserved in datasheet!)
0.225535250000000,37,0x00,0xFF
0.225605750000000,37,0x00,0xFF
0.225676250000000,37,0x00,0xFF
0.225746750000000,37,0x00,0xFF

0.226056250000000,38,0x28,0xFF  init bank 1,08 (not as in datasheet!)
0.226126875000000,38,0x00,0xFF
0.226197375000000,38,0x00,0xFF
0.226267875000000,38,0x00,0xFF
0.226338375000000,38,0x00,0xFF

0.226645875000000,39,0x29,0xFF  init bank 1,09 (reserved in datasheet!)
0.226716625000000,39,0x00,0xFF
0.226787125000000,39,0x00,0xFF
0.226857625000000,39,0x00,0xFF
0.226928125000000,39,0x00,0xFF

0.227234250000000,40,0x2A,0xFF  init bank 1,0A (reserved in datasheet!)
0.227304875000000,40,0x00,0xFF
0.227375375000000,40,0x00,0xFF
0.227445875000000,40,0x00,0xFF
0.227516375000000,40,0x00,0xFF

0.227822500000000,41,0x2B,0xFF  init bank 1,0B (reserved in datasheet!)
0.227893125000000,41,0x00,0xFF
0.227963625000000,41,0x00,0xFF
0.228034125000000,41,0x00,0xFF
0.228104625000000,41,0x00,0xFF

0.228410750000000,42,0x2C,0xFF  init bank 1,0C (not as in datasheet!)
0.228481375000000,42,0x00,0xFF
0.228551875000000,42,0x12,0xFF
0.228622500000000,42,0x73,0xFF
0.228693000000000,42,0x00,0xFF

0.228999000000000,43,0x2D,0xFF  init bank 1,0D (not as in datasheet!)
0.229069625000000,43,0x46,0xFF
0.229140125000000,43,0xB4,0xFF
0.229210625000000,43,0x80,0xFF
0.229281250000000,43,0x00,0xFF

0.229351125000000,44,0x2E,0xFF  init bank 1,0E (not as in datasheet!)
0.229423125000000,44,0x41,0xFF
0.229494875000000,44,0x10,0xFF
0.229566625000000,44,0x04,0xFF
0.229638375000000,44,0x82,0xFF
0.229710125000000,44,0x20,0xFF
0.229781875000000,44,0x08,0xFF
0.229853750000000,44,0x08,0xFF
0.229925500000000,44,0xF2,0xFF
0.229997125000000,44,0x7D,0xFF
0.230068875000000,44,0xEF,0xFF
0.230140750000000,44,0xFF,0xFF

0.230421000000000,45,0x24,0xFF  init bank 1,04 (not as in datasheet!)
0.230491750000000,45,0xDF,0xFF
0.230562250000000,45,0x96,0xFF
0.230632750000000,45,0x82,0xFF
0.230703250000000,45,0x1B,0xFF

0.230771375000000,46,0x24,0xFF  init bank 1,04 (not as in datasheet!)
0.230842125000000,46,0xD9,0xFF
0.230912625000000,46,0x96,0xFF
0.230983125000000,46,0x82,0xFF
0.231053625000000,46,0x1B,0xFF

0.235156875000000,47,0x07,0xFF  read current active register bank
0.235211125000000,47,0xFF,0xFF  NOP (read the bank no)

0.235270500000000,48,0x50,0xFF  activate...
0.235325625000000,48,0x53,0xFF  ...BANK 0 

(done with BK2425 specific initialization)

0.235383250000000,49,0xE1,0xFF  flush TX

0.235438375000000,49,0x00,0xFF  read config reg
0.235493625000000,50,0x00,0xFF  read config reg
0.235547875000000,50,0xFF,0xFF  NOP

0.235604750000000,51,0x20,0xFF  (write 00:config register)
0.235660000000000,51,0x5E,0xFF

0.235718875000000,52,0x25,0xFF   change rf channel
0.235774125000000,52,0x01,0xFF

0.236068750000000,53,0x25,0xFF   change rf channel
0.236124000000000,53,0x22,0xFF

0.236184750000000,54,0x30,0xFF  write TX_addr
0.236255375000000,54,0xC6,0xFF
0.236325875000000,54,0xF3,0xFF
0.236396500000000,54,0xD6,0xFF
0.236467000000000,54,0x02,0xFF


(now starts the normal data transmission, as shown above)

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16 Dec 2016 22:03 - 16 Dec 2016 22:10 #56900 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
@SeByDocKy:
No, I never did anything like that ever.
Was this explained like that in the manual?
As said, from the source of the 150 implementation, it doesn't look, like there is a binding process...


The later activation of the CC3D with Rudder right is when the RX/TX work and has nothing to do with the protocol itself.

EDIT:
BTW are you aware of my posts on rcgroups (How to connect the CC3D via USB)
Last edit: 16 Dec 2016 22:10 by Käseknigger.

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16 Dec 2016 22:18 #56902 by SeByDocKy
Replied by SeByDocKy on topic Esky 150X, which protocol ?
Yes I believe it's written somewhere in the manual or here:


In fact, for the first implementation, the binding procedure was not really known.

No I am not aware aboit the CC3D connexion .... I should have a look :)

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16 Dec 2016 22:22 #56903 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
Ah thanks a lot. I will have a look at that!
Has this binding been implemented for the 150?
I think I should have a look at the newest source files...

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16 Dec 2016 22:24 #56904 by SeByDocKy
Replied by SeByDocKy on topic Esky 150X, which protocol ?
Yes the 150 & 150X share the same binding procedure

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16 Dec 2016 22:30 #56905 by Käseknigger
Replied by Käseknigger on topic Esky 150X, which protocol ?
Just had a look at the newest source on github. It really looks like the binding has not been implemented...
But will make a capture, to see what's going on...

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