I2S output noise

[john.liu]

 I use Nrf52832 and sdk16.0.Use I2S play sound.

This sound file comes from https://github.com/NordicPlayground/nRF52-teensy-sgtl5000-audio/tree/master/Convert%20Audio%20Sample

Question 1:

I have subcontracted transmit.But But it's all noise.

I setting :

MCKFREQ=I2S_CONFIG_MCKFREQ_MCKFREQ_32MDIV63

RATIO=I2S_CONFIG_RATIO_RATIO_32X

SWIDTH=I2S_CONFIG_SWIDTH_SWIDTH_16BIT

CHANNELS=I2S_CONFIG_CHANNELS_CHANNELS_LEFT

Question 2:

I want setting EVENTS_TXPTRUPD interrupt.What should I do?I didn't find the interrupt  interface.

Please help me analyze the source code.thank you.

i2s.rar

[john.liu]

There are some bugs in subcontracting, so I'll update it.But the sound is not right. I find EVENTS_TXPTRUPD interrupt.

7701.sdk_config.h

0647.main.c