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TMC2130 stallGuard - SG_Result always 0

Posted by Julian. 
TMC2130 stallGuard - SG_Result always 0
September 03, 2019 07:36AM
I'm working with the TMC2130 and I want to setup the stallGuard. The problem is that SG_Result in register DRV_Status is always 0. It doesn't matter with how much load the motor has to drive or how I set the sensitivity (SGT in register COOLCONF). I'm driving the motor in spreadCycle and the SPI is working properly.

The only register settings I make are:

toff = 3 (for spreadCylce)
tbl = 2 (for spreadCylce)
1/16 Microstep

I played with SGT but as already said, SG_Result is always 0. Am i doing something wrong or where could be the problem?
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