DeviationTx and ST Model receiver

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03 Dec 2018 17:32 #71967 by Michel406
DeviationTx and ST Model receiver was created by Michel406
Hello
I just received a new Jumper T8SG transmitter and a Walkera RX601 receiver
After reading the DeviationTx manual and looking several times to understand what I was doing while handling the transmitter, I ended up successfully linking the T8SG and the RX601 installed in a glider.
After an old crash of an airplane, I had recovered a ST Model ST6DF receiver. I did not find it in the list of receivers supported by DeviationTx.
Would you have a solution to reuse it
thank you

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04 Dec 2018 12:36 - 04 Dec 2018 12:40 #71970 by goebish
Replied by goebish on topic DeviationTx and ST Model receiver
Looks like the ST6DF comes in many brands, ST Model, Hype, Kyosho ...
It is not supported by Deviation yet, can you open the receiver or transmitter to check which transceiver it's using ?

Do you have a stock TX and willing to dump the SPI bus if it has a supported transceiver ?
www.deviationtx.com/forum/protocol-devel...95-spi-capture-guide
Last edit: 04 Dec 2018 12:40 by goebish.

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04 Dec 2018 15:32 #71975 by Michel406
Replied by Michel406 on topic DeviationTx and ST Model receiver
I opened the box of the receiver ST6DF, there is a small square integrated circuit which carries the following indications::

A7105
AMM23013

And I opened also the transmitter (witch is out of order) , witch have a similary IC with

A7105
AMM23012

Is it useful for you ?
Thank you, but anyway do not spend too much energy because I ordered for RX601 that work very well

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05 Dec 2018 10:01 #71988 by goebish
Replied by goebish on topic DeviationTx and ST Model receiver
A7105 is supported, we can take a look if you make a dump someday ;)

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08 Dec 2018 18:15 #72013 by Michel406
Replied by Michel406 on topic DeviationTx and ST Model receiver
I will try to provide my contribution to the Deviation community
As well
I ordered for a logic analyzer compatible with saleae hardware (because Salaea one is not sold in France)
I checked that my T2M transmitter was still working (the servos connected to the receiver are working)
I searched on the web the configuration of the pinout of the I.C A7105 (see attachment)

As soon as I get the logic analyzer, I will do the test but I will need some help to know which pin (besides the ground pin 7 ) to connect the analyzer:
Pin 4: RFO or pin 16 or 17 GIO1 & GIO2
I have watch the tutorial on capturing SPI TX data for a future DeviationTX hacking, but The I.C and pin configuration and names are very different
thanks
Attachments:

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08 Dec 2018 18:37 - 09 Dec 2018 11:47 #72014 by goebish
Replied by goebish on topic DeviationTx and ST Model receiver
Most of the time the A7105 is driven in 3-wire SPI mode, we need:
- SDIO
- SCK
- SCS

Do not connect anything to RFO, this is the radio output.

edit: capture GIO1 & GIO2 as well, just in case it's used in 4-wire mode.
Last edit: 09 Dec 2018 11:47 by goebish.

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12 Dec 2018 17:17 #72063 by Michel406
Replied by Michel406 on topic DeviationTx and ST Model receiver
Hello,
I received the logic analyzer, I soldered the wires on the circuit of my STM transmitter (I had some degradations on the tracks of the board circuit because my soldering iron was too wide)
I connected everything, and I had to change the Salae software version because with 1.1.15 version, the output files were always empty (perhaps because I am under Windows 10 ?)
Finally I send you what I got
I hope this will be useful to you
friendly
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12 Dec 2018 21:54 #72064 by goebish
Replied by goebish on topic DeviationTx and ST Model receiver
Please share the .logicdata files, but host them on dropbox or something like that.

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