WM8960-Audio-HAT

WM8960 Audio HAT

The drivers of [WM8960 Audio HAT] for Raspberry Pi.

http://www.waveshare.net/shop/WM8960-Audio-HAT.htm

http://www.waveshare.com/wm8960-audio-hat.htm

Install wm8960-soundcard

Get the wm8960 soundcard source code. and install all linux kernel drivers

git clone https://github.com/waveshare/WM8960-Audio-HAT
cd WM8960-Audio-HAT
sudo ./install.sh 
sudo reboot

While the upstream wm8960 codec is not currently supported by current Pi kernel builds, upstream wm8960 has some bugs, we had fixed it. we must it build manually.

Check that the sound card name matches the source code wm8960-soundcard.

pi@raspberrypi:~ $ aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: ALSA [bcm2835 ALSA], device 0: bcm2835 ALSA [bcm2835 ALSA]
  Subdevices: 7/7
  Subdevice #0: subdevice #0
  Subdevice #1: subdevice #1
  Subdevice #2: subdevice #2
  Subdevice #3: subdevice #3
  Subdevice #4: subdevice #4
  Subdevice #5: subdevice #5
  Subdevice #6: subdevice #6
card 0: ALSA [bcm2835 ALSA], device 1: bcm2835 ALSA [bcm2835 IEC958/HDMI]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 1: wm8960soundcard [wm8960-soundcard], device 0: bcm2835-i2s-wm8960-hifi wm8960-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0
pi@raspberrypi:~ $ arecord -l
**** List of CAPTURE Hardware Devices ****
card 1: wm8960soundcard [wm8960-soundcard], device 0: bcm2835-i2s-wm8960-hifi wm8960-hifi-0 []
  Subdevices: 1/1
  Subdevice #0: subdevice #0

If you want to change the alsa settings, You can use sudo alsactl --file=/etc/wm8960-soundcard/wm8960_asound.state store to save it.

Usage:

#It will capture sound an playback on hw:1
arecord -f cd -Dhw:1 | aplay -Dhw:1

#capture sound 
#arecord -d 10 -r 16000 -c 1 -t wav -f S16_LE test.wav
arecord -D hw:1,0 -f S32_LE -r 16000 -c 2 test.wav

#play sound file test.wav
aplay -D hw:1,0 test.wav

uninstall wm8960-soundcard

If you want to upgrade the driver , you need uninstall the driver first.

pi@raspberrypi:~/WM8960-Audio-HAT $ sudo ./uninstall.sh 
...

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Please reboot your raspberry pi to apply all settings
Thank you!
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Enjoy !

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