My main combo is ER-301 sequenced from teletype over i2c. I have a problem that I hope can be worked out, although I realize it might be tricky, hence this lengthy post in new thread.
After a fresh reboot everything is working just fine. However, after “some time” (about 30mins or more) some triggers over i2c starts to get delayed APPEARING EXACTLY ON THE NEXT M CYCLE, sometimes even missed. Rebooting both modules makes everything fine again. The problem has started while I’ve been working on a new track, never had it (or noticed it) in the past. Although it’s a bit busy over i2c, it’s not more so than what I usually do. In this particular scene, triggers are send every 130 ms (16th notes at ~115 BPM), obviously at some points more than one trigger and CV is send at the same time (or as “at the same time” as is possible over what I believe to be a serial protocol). CPU usage on the ER-301 is comfortably hovering around 50%. ER-301 is running firmware 0.4.20. Between the problem appearing there have been several saves on both the teletype and the ER-301. I have not found any way (except rebooting) to solve the problem.
My i2c setup is teletype (newest hardware revision) with ER-301 and one txo. I never experienced this with physical triggers, and I’m pretty sure it hasn’t happened before I got the txo in the mix. We briefly discussed this on the OD forum, and seems other users have experienced the same, and from what I can tell they all have more than tt + 301 on the i2c bus.
One could argue that the teletype is simply overloaded, but it just seems odd that it’s running happily for quite some time before the problem appears, after this point it’s very pronounced.
A few observations:
- Shuffling scripts around sometimes makes it happen to other triggers.
- There’s no way (that I know of) to tell how stressed out the teletype is, so maybe it simply can’t keep up.
- The delayed triggers are always on time, just a 16th note (130ms) late, super tight, just delayed one teletype.metro cycle.
- The delayed triggers appear visually on the ER-301 GUI exactly as I hear them.
I hope we can discuss the problem here and hopefully get to the bottom of it, since it’s obviously quite annoying
Here is the scene in question: pessimism_is_overrated.txt (2.0 KB)