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BOS1901-KIT
User Guide
8.5.1.3 Play a Waveform - External Trigger (GPIO)
Description
User configures the BOS1901-KIT board to play a sinusoidal waveform on the detection of a falling edge
on the IO1.
Prerequisites
• Software is connected to the BOS1901-KIT board in Haptic mode.
2
Steps
1. Select the channel tab (A or B)
2. If the board is connected to a piezo actuator supplied in the BOS1901-KIT, click on the
corresponding piezo electric preset button to set the voltage operating range (Vmin and Vmax).
Otherwise, manually set the Vmin and Vmax fields in the Waveform section.
3. In the Triggers section, uncheck the Sensing checkbox.
4. Configure the waveform:
o Sinusoidal waveform frequency (between 100.0 and 300.0 hertz)
o Number of cycles (between 1 and 254)
o Set the stabilization time (between 0 and 1000 ms)
5. In the Triggers section, check the GPIO interrupt checkbox.
6. Connect the IO0 on the BOS1901-KIT board to the external signal you want to use to trigger the
waveform feedback.
7. On detection of a failing edge of the signal connected on IO0, the waveform feedback will be
played on the selected channel.
BT001DDK04.01 – Issue 1
1
Figure 9:Play waveform – External trigger
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