M122 Drive state

lars

I did a M122 mid print and got the following:

Driver 0: stalled
Driver 1: stalled open-load-A open-load-B
Driver 2: stalled open-load-B
Driver 3: ok
Driver 4: standstill
Driver 5: ok
Driver 6: stalled
Driver 7: ok
Driver 8: stalled
Driver 9: standstill

```Is the meaning of these documented anywhere? Search a bit but could not find it on the wiki…

dc42

They are documented in the Trinamic TMC2660 data sheet. At low speeds the status can't be relied on, except for any temperature warnings and short-to-ground indications. Even so, I am surprised at seeing both open load A and B indications on the same driver.

lars

Should there be some values for "Probe change coordinates:", might be a bug in beat10-4?

MaxReps: 15, StepErrors: 0, FreeDm: 102, MinFreeDm 60, MaxWait: 714435ms, Underruns: 0, 0
Scheduled moves: 18603, completed moves: 18580
Bed compensation in use: mesh
Bed probe heights: 0.039 0.033 0.023 0.013 0.000
Probe change coordinates:

dc42

That's an experimental feature to use the IR sensor to measure the registration when you have multiple print heads. You won't get any figures there under normal conditions.