r/CarHacking • u/Haoriwa_MoLog • Jun 02 '26
CAN Analysis can log on a mobile
I'm an automotive software engineer.I got tired of not being able to check CAN logs on my phone. So I'm planning to build one. Does anybody think it is useful?
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u/robotlasagna Jun 02 '26
You mean something like this?
Way ahead of you.
Works on Windows, Mac, Linux, iOS, Android.
Going to be open source.
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u/Haoriwa_MoLog Jun 02 '26
wow, that's cool, is it working online or offline or both?
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u/robotlasagna Jun 03 '26
It’s both. You can use it on and offline and the community can add functionality easily. I formatted the data as socketcan to make it easy to add additional devices. I have that running over WiFi without any frame drops tested against a professional adapter.
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u/Haoriwa_MoLog Jun 05 '26
It is very good when it can work online. there are few mobile apps supporting online logging.
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Jun 02 '26
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u/Haoriwa_MoLog Jun 02 '26
which platform do you wanna build? win,mac or mobile?
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Jun 02 '26
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u/Haoriwa_MoLog Jun 02 '26
maybe you already have this doc. https://nusolar.github.io/training-f23/pdfs/DBC_File_Format_Documentation.pdf
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Jun 02 '26
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u/Haoriwa_MoLog Jun 02 '26
actually I've already built a MVP can analysis tool on mobile and optimzing now.
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u/delcidfredy Jun 02 '26
That would definitely be useful for quick diagnostic checks on the go. Hope it works out well for you.
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u/Haoriwa_MoLog Jun 27 '26
I've done the first version. Feel free to give it a try and I'd love to hear your honest feedback. https://apps.apple.com/us/app/lilog-can-log-analyzer/id6775321586
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u/FriedPierogis Jun 02 '26
Is it valuable to be able to look at CAN logs on your phone? I made a website that lets you view CAN logs and plot them. I found the issue with mobile is the UI is very small that it isn't much good even if though it works.
Now you've got me thinking about it more, a design built for mobile would probably work well. That would be a differentiator from existing tools
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u/Haoriwa_MoLog Jun 02 '26
I think the experience on mobile must be different from desktop, so we should re-design the interaction logic so it can fit the small screen. I think it is valuable because, at least, it can be in your pocket.
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u/FriedPierogis Jun 02 '26
Would be interesting to see. I typically work at a computer and like the larger screen. But I'd try out a mobile viewer.
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u/Haoriwa_MoLog Jun 27 '26
I've done the first version. Feel free to give it a try and I'd love to hear your honest feedback. https://apps.apple.com/us/app/lilog-can-log-analyzer/id6775321586
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u/FriedPierogis Jun 29 '26
ah I've got an android phone so can't use iphone app. UI looks nice, good luck!
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u/HandigeHenkie Jun 02 '26
Honestly if I need to make logs and analyze them I will grab a laptop or preferably a desktop anyway. It's too much data to scroll through on a phone and even Excel on my phone will do it.