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uholeschak / ediabaslib

.NET BMW and VAG Ediabas interpreter library
GNU General Public License v3.0
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Gauge.S support for ediabaslib #184

Closed handmade0octopus closed 3 months ago

handmade0octopus commented 3 months ago

Hello!

I am creator of device that could be found there: http://gauge.sorek.uk/

I wish to support DeepOBD through WiFi/BT (prefer the first one). If you could let me know where I could find some info on implementation on my side it would be super cool. Device has k-line and CAN bus and it's based on ESP32 so it should be doable to do super speeds with proper function. MHD/xHP flashing could also be doable with this approach.

If you have any pointers please let me know.

Kind regards, sorek contact@sorek.uk

uholeschak commented 3 months ago

Basically Deep OBD has a broadcast interface: https://github.com/uholeschak/ediabaslib/blob/master/docs/Page_specification.md#broadcasts You could create an app that uses that interface and is gateway to your device.

handmade0octopus commented 3 months ago

But that wouldn't work with api32.dll correct?

I want to emulate drop in solution for all existing ones. I know AT type commands from ELM327 are common but is there a better protocol I am not aware of?

uholeschak commented 3 months ago

If you want to use api32.dll need Windows of course. Simply use the config tool to patch the installation.

handmade0octopus commented 3 months ago

I think you missed my point.

I want my device to be accepted by api32.dll and DeepOBD - so I need to implement protocol inside the device so it communicates with it well.

I could use AT commands and mimic behaviour of ELM327 but I wonder if there is better way than that. I need to implement it by hand so I am not bound by having to stick to AT type commands - I just need to know which one is most common and woks best.

uholeschak commented 3 months ago

Maybe you should create a block diagram of your intended design first. If you want to use ediabas lib you need of course a complete ediabas installation.

handmade0octopus commented 3 months ago

????

I just want to create Firmware for my device that will mimick ELM327 or other adapter with it's protocol.

I am looking for pointers if there are any code sources you can recommend so I can add support to my device so it works like just another supported adapter. I want to choose the fastest and most popular one.

uholeschak commented 3 months ago

Maybe you could check this file: https://github.com/uholeschak/ediabaslib/blob/master/EdiabasLib/EdiabasLib/EdElmInterface.cs It implements the BMW-FAST protocol over ELM327.

handmade0octopus commented 3 months ago

Maybe you could check this file: https://github.com/uholeschak/ediabaslib/blob/master/EdiabasLib/EdiabasLib/EdElmInterface.cs It implements the BMW-FAST protocol over ELM327.

Dear @uholeschak If I wanted to implement custom adapter protocol into my adapter - how would I approach that? What are 82 F1 F1 FE FE 60 bytes mean (I know last one is checksum) and how should I approach each one?

Is there a list or document that will help me write custom firmware for my adapter? I would rather not use AT ELM327 style but go for ENET adapter with proper custom FW.

Thank you!

uholeschak commented 3 months ago

The adapter source cold be found here: https://github.com/uholeschak/ediabaslib/blob/master/EdiabasLib/CanAdapterElm/CanAdapterElm.X/main.c There is no explicit documentation. Read the source ...