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AutoQuad Forum • View topic - CAN telemetry structure

CAN telemetry structure

Info and Discussion about the ESC32 hardware and software

CAN telemetry structure

Postby finncarlsvi » Tue Oct 27, 2015 1:54 am

Hello,

I have an ESC32 hooked up to a CAN analyzer and am trying to figure out the message structure to communicate with the ESC. Is there any documentation on this anywhere?

I can't imagine this hasn't been asked before, but I just can't find any info on the subject (it's also hard to search for the word CAN without getting the wrong results). I apologize in advance for a possible repost.

Cheers
Finn
finncarlsvi
 
Posts: 3
Joined: Tue Oct 27, 2015 1:44 am

Re: CAN telemetry structure

Postby aBUGSworstnightmare » Tue Oct 27, 2015 7:24 am

Hi Finn,

the firmware for ESC32V2 is open source, so why do you want to go the 'hard 'n dirty' road by reverse-engineering the protocol with a CAN analyzer if you can have a look at the source code used to generate the messages?

Look here for the sources https://github.com/bn999/esc32

You may also want to look at the AQ FW here https://github.com/bn999/autoquad

Cheers
Joerg
aBUGSworstnightmare
 
Posts: 1460
Joined: Fri Jun 22, 2012 5:24 pm

Re: CAN telemetry structure

Postby finncarlsvi » Tue Oct 27, 2015 7:51 am

Hi Joerg,

Thanks for your reply. Sorry, I worded that poorly. I am looking at the source to try and figure out the message structure. Then testing out different commands with the analyzer.

But my understanding of C isn't good enough for me to reconstruct a mental image of how CAN commands are created/processed.

I was hoping there was some documentation. I'll just keep looking at the source and the answer will fall out like usual :)

Cheers
finncarlsvi
 
Posts: 3
Joined: Tue Oct 27, 2015 1:44 am

Re: CAN telemetry structure

Postby bn999 » Tue Oct 27, 2015 4:44 pm

bn999
 
Posts: 1559
Joined: Thu Jun 21, 2012 11:40 pm

Re: CAN telemetry structure

Postby Fritz » Tue Mar 14, 2017 2:11 pm

Fritz
 
Posts: 3
Joined: Tue Mar 14, 2017 1:34 pm


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