Texas Instruments DRV2605EVM-CT Benutzerhandbuch
DRV2605 Demonstration Program
2.2.6
Mode 0 – Audio-to-Haptics
Audio-to-haptics is a unique feature that converts an audio signal to haptics. Take audio from music,
games, or movies and automatically create haptic effects.
games, or movies and automatically create haptic effects.
Buttons B1 to B4 perform the following actions:
•
Button 1 – Audio-to-haptics using ERM
•
Button 2 – Audio-to-haptics using LRA
•
Button 3 – Switch to internal trigger and play library click effect
•
Button 4 – Switch to internal trigger and play library buzz effect
To use this mode:
1. Connect an audio source to the audio jack on the left side of the board. The tip of the audio connector
is applied to the input of the DRV2605.
2. Press button 1 which enables audio-to-haptics using the on-board ERM
3. Decrease the volume of the audio source, if the ERM is constantly vibrating, or increase the volume, if
the ERM is not vibrating at all.
4. Feel the haptic vibrations as the audio plays.
5. Press button 2 which enables audio-to-haptics using the on-board LRA.
6. Decrease the volume of the audio source if the LRA is constantly vibrating or increase the volume if
the LRA is not vibrating at all.
7. Feel the haptic vibrations as the audio plays.
8. Press button 3 or 4 to trigger a click or buzz during audio-to-haptics playback.
and
show the conversion process from audio to hatpics for both ERM and LRA.
Figure 14. ERM Audio-to-Haptics Conversion
Figure 15. LRA Audio-to-Haptics Conversion
(Button 1)
(Button 2)
11
SLOU348B – January 2013 – Revised March 2014
DRV2605EVM-CT ERM and LRA Haptic Driver Evaluation Kit
Copyright © 2013–2014, Texas Instruments Incorporated