WM8960-Audio-HAT:Raspberry Pi的[WM8960音频HAT]驱动程序

# 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 ```bash 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. ```bash 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: ```bash #It will capture sound an playback on hw:1 arecord -f cd -Dhw:1 | aplay -Dhw:1 ``` ```bash #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 ``` ```bash #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. ```bash pi@raspberrypi:~/WM8960-Audio-HAT $ sudo ./uninstall.sh ... ------------------------------------------------------ Please reboot your raspberry pi to apply all settings Thank you! ------------------------------------------------------ ``` Enjoy !