Tool/software:
I am trying to accomplish Waveform Playback Using Audio-to-Vibe Mode as described in section 8.5.8.2.4 of the DRV2605L device documentation.
Register settings:
MODE[2:0] bit at register 0x01 to is set to 4
AC_COUPLE bit in register 0x1B is set to 1
And the N_PWM_ANALOG bit in register 0x1D is set to 1
As defined in the documentation.
I am driving an ERM haptic device. The DRV2605L automatically drives the ERM at startup with a 100µS 0-1VP signal at approximately 18 KHz and ignores any additional input at the INT/TRIG pin.
This behavior occurs even when the INT/TRIG pin is grounded.
The DRV2605L works normally when it is driven with internal wave forms.
There are no other inputs used at the device other than its SDC and SCL connections to the micro-controller.
Can anyone please offer any guidance to me on this issue?
Thank you for any and all recommendations.