audio_system_encode_test_tone_set()

int audio_system_encode_test_tone_set

(

uint32_t

freq

)

Toggle a test tone on and off.

Note

A stream must already be running to use this feature.

Parameters

[in]

freq

Desired frequency of tone. Off if set to 0.

Return values

-ENOMEM	The frequency is too low (buffer overflow).
0	Success.