Unable to play back recorded files

Hello all!

Firstly, thank you for the hard work that went into this project! It is a great tool.

I am having an issue and I am hoping someone can shine some light on it. Maybe I am misunderstanding a feature, but the playback feature will playback files onto the CAN bus that I recorded in SavvyCAN, correct?

I have two Macchina m2's, and while both can read CAN bus traffic just fine with SavvyCAN, when I use the playback feature, they output a ~20Khz sqaure(ish) wave:

Bus+ output:



Bus- ouput:



This ~20Khz wave continues even after playback has stopped, and after SavvyCAN has been closed. I am running V197 of SavvyCAN and the precompiled M2RET Flash from the Macchina website. I have tried the latest versions form the SavvyCAN website, same issue.

Am I being a pinecone? What am I doing wrong, or am I misunderstanding the playback feature?

Thank you for your time!

You nailed it! I assumed the device I had it connected to was terminated, and it was not. Threw a 130R (couldn't find a 120R) in parallel, and bam! Lol.

Thank you for your help. I tried to find a donation link on the homepage, but didn't see one. Again, I appreciate your work on this project.