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DRV2605L: setting frequency with DRV2605LEVM-MD test board

Part Number: DRV2605L


I am testing a few LRA motor using the board DRV2605LEVM-MD with software "Haptic Control Console 1.5.4" (Firmware Version: TI-Haptics DRV2605LEVM-MD v1.3).

The "Run Auto Calibration" process always failed.

So I want to set the resonance frequency myself to run the LRA motors.

I tried to write the value of Reg 0x22 with "Closed Loop" unchecked, but it doesn't seems to work.

Anything I am doing wrong? Can you help?