Tmc5160, add register settings not working

[ltc]

I followed these steps, add register setting “SHORT_CONF”, but it does not work

TMC5160 - Classic Constant Off Time Chopper with fast decay time

It looks like it worked as the steppers sounded different but unfortunately it did not affect the ripples in any way. I printed a TPFD tower, a TFD tower and a sine wave offset tower with increasing values each 4 mm. But at least Klipper let me configure the classic constant off time chopper mode with different fast decay times.

I also write it in console

SET_TMC_FIELD STEPPER=stepper_y FIELD=S2VS_LEVEL VALUE=15

but still not work, it’s still zero

DUMP_TMC STEPPER=stepper_y

// SHORT_CONF: 00000000

[LifeOfBrian]

Quite a bit strange.
Referring to the data sheet and the first column in your first screenshot it says the register only allows write access.
However other registers with the same W flag are listed in your last screenshot…

If the bit shifting or other things are wrong it still should give some results I guess if it is intended to have results in a query.