audio_datapath_tone_play()

int audio_datapath_tone_play	(	uint16_t	freq,
		uint16_t	dur_ms,
		float	amplitude )

#include <applications/nrf_audio/src/audio/audio_datapath.h>

Mixes a tone into the I2S TX stream.

Parameters

freq	Tone frequency [Hz].
dur_ms	Tone duration [ms]. (0 == forever)
amplitude	Tone amplitude [0, 1].

Returns

0 if successful, error otherwise.