Through this article, you can realize the control of MicorBlaze system voice chip WM8731 through the I2C interface and realized through I2S data communication interface and WM8731 recording and playback function.

hello_audio
...........\.cproject
...........\.project
...........\Debug
...........\.....\hello_audio.elf
...........\.....\hello_audio.elf.elfcheck
...........\.....\hello_audio.elf.size
...........\.....\makefile
...........\.....\objects.mk
...........\.....\sources.mk
...........\.....\src
...........\.....\...\hello_audio.d
...........\.....\...\hello_audio.o
...........\.....\...\subdir.mk
...........\src
...........\...\hello_audio.c
...........\...\lscript.ld
...........\...\pcm_control.h

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