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Author Topic: OpenHaldex - HPA touchmotion.. but cheaper  (Read 40977 times)
Aardschok
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« on: April 25, 2020, 09:53:03 AM »

I've been working on this for quite a while now.. but I think it's now time to put this out to a wider audience.

It's basically a DIY touch motion.

Figured there might be some interest here Smiley

Due based: https://github.com/ABangingDonk/OpenHaldex (archived)
ESP32 based: https://github.com/ABangingDonk/OpenHaldex32 (archived)
Teensy 4.x based: https://github.com/ABangingDonk/OpenHaldexT4

Ordering form for boards: https://abangingdonk.github.io/

A quick demo:
https://youtu.be/rtE-rsQuckA
« Last Edit: June 02, 2023, 01:05:41 PM by Aardschok » Logged
IamwhoIam
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« Reply #1 on: April 25, 2020, 12:17:08 PM »

Nice work!
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eliotroyano
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« Reply #2 on: April 25, 2020, 01:18:13 PM »

I've been working on this for quite a while now.. but I think it's now time to put this out to a wider audience.
It's basically a DIY touch motion.
https://github.com/ABangingDonk/OpenHaldex
Figured there might be some interest here Smiley
A quick demo:
https://youtu.be/rtE-rsQuckA

Impressive, great work!!!
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adam-
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« Reply #3 on: April 25, 2020, 02:15:47 PM »

This is so sick!  Well done!

Is there any reason you went with a Duo and not an ESP? Built in WiFi, Bluetooth...
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adam-
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« Reply #4 on: April 25, 2020, 02:20:40 PM »

*I'd like to combine this with FISControl and rework it onto an ESP so I can have the buttons on cruise.  My FIS worked good on a Mega but IMO stock support with Bluetooth, WiFi and loads more processing power and RAM I'd rather an ESP!
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Lechuga
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« Reply #5 on: April 25, 2020, 02:24:13 PM »

Impressive!

Sent from my ANE-LX1 using Tapatalk

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Aardschok
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« Reply #6 on: April 25, 2020, 02:33:43 PM »

Thanks for the kind words everyone

Due was selected as soon as I saw two CAN ports and an M3 core for £15.. didn't bother looking any further Smiley

Uno was just because it was cheap and available, anything with a CAN port will be able to do that job and should be a piece of cake to port

Yeah, always wanted to run FISblocks (hence having a controller up front) but haven't found time to explore that yet.. one day
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adam-
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« Reply #7 on: April 25, 2020, 02:44:59 PM »

ESPs are much smaller, way more features (every pin is an interrupt), etc.  I used to love Arduino's but have been blown away by these.

Having an ability to build your own EEPROM/not use the app and define using (say FIS control) would be next level.

I'll play with this when I'm "working from home" next week and see if I can port it across and then go from there.

Awesome work man, this will go places!
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Aardschok
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« Reply #8 on: April 25, 2020, 02:59:35 PM »

ESP sounds interesting, will pick one up and have a poke at it

Agreed, FISblocks integration is the next step

Looking forward to hearing how you get on
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NBR
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« Reply #9 on: April 26, 2020, 07:43:37 AM »

Awesome work, very well done! Which haldex versions have you tested this on so far?
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Aardschok
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« Reply #10 on: April 26, 2020, 11:22:30 AM »

Awesome work, very well done! Which haldex versions have you tested this on so far?
Thanks!

Only gen1, I have no idea what it would take to support more... Could be very similar but could also be very different.. would need to sniff the CAN and read through FR for newer models
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fknbrkn
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« Reply #11 on: April 26, 2020, 01:04:09 PM »

Nodemcu would be better for that
If I understand correctly,  the aim is to change some can messages
If it's related to ecu msgs only, we probably could do that in ecu software wo any hw
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Aardschok
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« Reply #12 on: April 26, 2020, 01:11:51 PM »

Nodemcu would be better for that
If I understand correctly,  the aim is to change some can messages
If it's related to ecu msgs only, we probably could do that in ecu software wo any hw
I wish it were that simple, inputs from the ECU will only get you half way.. the ABS is also on the bus, transmitting wheel speed sensor readings which also need to be tweaked
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yxx499
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« Reply #13 on: April 27, 2020, 01:37:30 AM »

Impressive work !
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adam-
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« Reply #14 on: April 27, 2020, 12:41:07 PM »

I'm going to be dumb and ask it anyway, but why do we need an inteceptor and then a master?

Would you not just want to have the inteceptor?  Read CAN, if not stock, don't repeat and adjust, if stock, repeat message?  I've probably had too many beers.
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