Freematics Forum

Thoughts? Electrical interference? Problem in the odb library?

Any difference if you change:
#define OBD_PROTOCOL PROTO_KWP2000_FAST

to be instead:
#define OBD_PROTOCOL PROTO_AUTO

Is the ignition turned on? Even though there is power to the OBD socket when the ignition is off, you need the ECU to be on (i.e. ignition on) for it to start communicating.

Anyone with any ideas why the communication with OBD-II keeps freezing? FYI the bike's ECU is a Keihin unit which is ISO-9141-2 compliant. My other OBD-II connector (for TuneECU program to upload fuel/ignition maps) has no such issues...

You might want to try removing any other libraries (except for the ones required by the megalogger). I noticed there can be conflicts that cause compile failures, so just go to your ../Documents/Arduino/libraries/ folder and temporarily move out everything except: - MicroLCD - MPU6050 <--- this need...

Here's a quick video - look at 0:23s where the rpm freezes, and the OBD time comes back at a very high number.
https://www.youtube.com/watch?v=h3E9E5T283w

stanley wrote:What's the OBD time (polling interval) you got?

Seems to start out around 100ms but jumps around a bit and ends up a bit more than 1000ms.

Bumping this again as still no joy (or responses, anyone?) I tried the new megalogger sketch and it certainly has some nice visual improvements. The system voltage is a nice touch! I tried forcing the protocol to be ISO-9141-2 which is the correct one for my Triumph motorcycle... However, I'm still ...

Spykey wrote:Hi gambatte,
did you manage to waterproof it?

Thanks!

Not yet... still having issues with it not working properly (see some of my other threads) so it's not ready to lock down just yet.

I have the kit #3 and I'm wondering what the procedure for checking/updating the firmware in the OBD-II adapter is. I read some of the other threads and programming guides but don't see how I am supposed to do this. Is there a difference between the Arduino OBD-II adapter and the Freematics OBD-II a...