Frsky compatibility

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18 Jul 2014 10:52 #24669 by shadow
Replied by shadow on topic Frsky compatibility
Mine in the rx setup screen has a button re init. and not Bind next to the fixed id.
I cleared the fixed id and still nothing. I wondering if I have a bad tx module.

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18 Jul 2014 11:21 #24670 by phantom8
Replied by phantom8 on topic Frsky compatibility
Strange! Which transmitter are you using? Here is what it looks like on my Devo 7e screen. You can clearly see the BIND button there.

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18 Jul 2014 12:44 - 18 Jul 2014 12:45 #24672 by shadow
Replied by shadow on topic Frsky compatibility
oops should have said that first:
I am using a Devo 8s

I bought 2 modules I will try the other one
Just a pita to solder

oh and tx power is stuck on default
thanks
Last edit: 18 Jul 2014 12:45 by shadow.

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19 Jul 2014 05:37 #24688 by mazi
Replied by mazi on topic Frsky compatibility
You have to manualy delete fix ID (all numbers) to disable it. You should see BIND "button" then.

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19 Jul 2014 17:09 #24693 by phantom8
Replied by phantom8 on topic Frsky compatibility
I was trying to range test earlier today. With distance of 300m, I set my Devo 7e tx power to 150mW. As expected, I got a solid connection. I turned down the tx power to lowest 100uW. To my surprise, I still have a connection at 300m. I understand Frsky receivers are known for good range, but I didn't expect 100uW power to cover 300m range. Next time, I'll try to range test at a much farther distance.

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20 Jul 2014 18:34 #24706 by Chispas
Replied by Chispas on topic Frsky compatibility
So this is 100% functional protocol?
Worth buying a cc2500 module and setting it up for my devo 7e to link with FrSky Receiver D4R-II

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20 Jul 2014 18:48 #24707 by sbstnp
Replied by sbstnp on topic Frsky compatibility

phantom8 wrote: I was trying to range test earlier today. With distance of 300m, I set my Devo 7e tx power to 150mW. As expected, I got a solid connection. I turned down the tx power to lowest 100uW. To my surprise, I still have a connection at 300m. I understand Frsky receivers are known for good range, but I didn't expect 100uW power to cover 300m range. Next time, I'll try to range test at a much farther distance.


Which version did you use?

Devo 10 + 4in1
Spektrum Dx9
FrSky Taranis + TBS Crossfire

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20 Jul 2014 18:52 #24708 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility
I should receive tmr a FrSky V8R7-II receiver ... Hope it will work too ...

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21 Jul 2014 04:01 #24717 by phantom8
Replied by phantom8 on topic Frsky compatibility

sbstnp wrote:

phantom8 wrote: I was trying to range test earlier today. With distance of 300m, I set my Devo 7e tx power to 150mW. As expected, I got a solid connection. I turned down the tx power to lowest 100uW. To my surprise, I still have a connection at 300m. I understand Frsky receivers are known for good range, but I didn't expect 100uW power to cover 300m range. Next time, I'll try to range test at a much farther distance.


Which version did you use?


I'm using D4R-II receiver.

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22 Jul 2014 23:05 #24756 by shadow
Replied by shadow on topic Frsky compatibility
Ok changed out the module and still nothing. I am getting power to module but it doesn't initialize.

humm
Did you connect the reset pin to the TCK pin?

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23 Jul 2014 02:55 - 23 Jul 2014 03:04 #24757 by phantom8
Replied by phantom8 on topic Frsky compatibility

shadow wrote: Ok changed out the module and still nothing. I am getting power to module but it doesn't initialize.

humm
Did you connect the reset pin to the TCK pin?


If you're talking about the Multi-Module connection, then yes. I've connected the MM's Reset pin to TCK pin on the Devo. For the MM, I've connected all pins except the 5V (pin 1) one.

[EDIT]
I'm using Devo 7e and have no problem with CC2500. However, I read that btoschi also has problem with CC2500 with Devo8s. Maybe it's a bug specific to that combination.

www.deviationtx.com/forum/7-development/...dule?start=440#24711
Last edit: 23 Jul 2014 03:04 by phantom8.

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23 Jul 2014 15:11 - 23 Jul 2014 16:24 #24759 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility
Hi

I managed to bind perfectly my devo 10 w/ MM with the FrSky V8R7-II receiver. I am uploading a video as tutorial. It can help someone in the future.

EDIT : with the video

Last edit: 23 Jul 2014 16:24 by SeByDocKy.

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25 Jul 2014 11:56 - 25 Jul 2014 12:58 #24790 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility
In fact, it's working for both V8 (w/o telemetry) (FrSky-V8) or D (w/ telemetry) (FrSky) :)

I am uploading another video showing both procédures


EDIT :
Last edit: 25 Jul 2014 12:58 by SeByDocKy.

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30 Jul 2014 19:56 #24919 by Tomcor
Replied by Tomcor on topic Frsky compatibility
So is the cc2500 module working ok with Devo 10 running nightly?

parkrcmodels.com/product_info.php?produc...tvkv46ofn4qe14slqoi3

Does anyone have a wiring diagram for connecting the module to the Devo 10?

Is the telemetry working with this module?

Thanks for any help.

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01 Aug 2014 12:08 #24945 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility
Hi,

I just reeived my D4R-II module. It's binding perfectly in D mode but the I got only 2 voltages in the telemetry channel. Is it normal ? No RRSI information for example ?


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01 Aug 2014 18:32 #24954 by PhracturedBlue
Replied by PhracturedBlue on topic Frsky compatibility
It looks like I messed up the telemetry parser on the Devo10.
On the Devo8, Frsky uses the Devo display rather than the DSM one.
I only implemented:
Temp1,2
Volt1,2,3
RPM1
GPS

I'm not sure if I have the info on RSSI to be able to decode it. I'll take a look.

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01 Aug 2014 19:21 #24955 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility

PhracturedBlue wrote: It looks like I messed up the telemetry parser on the Devo10.
On the Devo8, Frsky uses the Devo display rather than the DSM one.
I only implemented:
Temp1,2
Volt1,2,3
RPM1
GPS

I'm not sure if I have the info on RSSI to be able to decode it. I'll take a look.


I don't know if it's related, but a Hobbyking user of the D4R-II wrote
"Great little receiver.
4 channel output, and if the jumper is used on CH3&CH4 it does output a 8 channel PPM stream plus a RSSI voltage signal on channel 2. RSSI voltage goes from 3,16V (full signal) to 0,18V (no signal).
Perfect for multi copters and for FPV copters.
This telemetry receiver uses A1 for internal receiver voltage and has an external A2 input for your own voltage sensor. "

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13 Aug 2014 15:07 #25189 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility
Hi,

There is a new nice FrSky receiver "L9R" working in the "LR12" mode of the taranis ? Do you think it's possible to also implement it ?
Maybe you don't have such RX ?

Any news for the RSSI in the telemetry information ? (for my devo 10 at least)

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20 Aug 2014 03:11 - 20 Aug 2014 03:11 #25300 by ryane67
Replied by ryane67 on topic Frsky compatibility
Has anyone gotten the 8s to properly bind FrSky?? I see mostly 10 and 7 stuff.

I've connected my CC2500 through a multimodule as well as a direct connect (made a little adapter so I can switch back and forth just in case) but for whatever reason I cannot get the thing to bind to a brand new D4R-II.

Im getting no errors, the cc2500 is properly recognized, it just won't talk to the rx. Sadly I dont have a second frsky rx to test it on... or any other rc toy that uses the cc2500..

I've removed the fixed ID, tried both v8 and normal... my rx just never seems to receive a signal from the tx.. just stays in that constant both LEDs on mode that it starts in when you hold the button down.

Im on 4.0.1-92e1705
Last edit: 20 Aug 2014 03:11 by ryane67.

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26 Aug 2014 09:06 #25398 by SeByDocKy
Replied by SeByDocKy on topic Frsky compatibility
I checked actually code
//byte1 == data len (+ 2 for CRC)
    //byte 2,3 = fixed=id
    //byte 4 = A1 : 52mV per count; 4.5V = 0x56
    //byte 5 = A2 : 13.4mV per count; 3.0V = 0xE3 on D6FR
    //byte6 = RSSI?
    //verify pkt
    //printf("%02x<>%02x %02x<>%02x %d<>%d\n", pkt[1], fixed_id & 0xff, pkt[2], (fixed_id >> 8) & 0xff, len, pkt[0]+3);
    if(pkt[1] != (fixed_id & 0xff) || pkt[2] != ((fixed_id >> 8) & 0xff) || len != pkt[0] + 3)
        return;
    len -= 2;
    //Get voltage A1 (52mv/count)
    Telemetry.p.frsky.volt[0] = (u32)pkt[3] * 52 / 100; //In 1/10 of Volts
    TELEMETRY_SetUpdated(TELEM_FRSKY_VOLT1);
    //Get voltage A2 (~13.2mv/count) (Docs say 1/4 of A1)
    Telemetry.p.frsky.volt[1] = (u32)pkt[4] * 132 / 1000; //In 1/10 of Volts
    TELEMETRY_SetUpdated(TELEM_FRSKY_VOLT2);

And finally RSSI informartion is not retrived ((u32)pkt[5] ?) It's not completly sure that the sixth byte is the RSSI ?

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