seeed-voicecard/install.sh
2017-09-14 09:26:04 +00:00

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#!/bin/bash
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root (use sudo)" 1>&2
exit 1
fi
ver="0.2"
card=$1
if [ "x${card}" = "x" ] ; then
echo "Usage: ./install 2mic|4mic"
exit 1
fi
# we create a dir with this version to ensure that 'dkms remove' won't delete
# the sources during kernel updates
marker="0.0.0"
apt update
apt-get -y install raspberrypi-kernel-headers raspberrypi-kernel
apt-get -y install dkms
# locate currently installed kernels (may be different to running kernel if
# it's just been updated)
kernels=$(ls /lib/modules | sed "s/^/-k /")
uname_r=$(uname -r)
function install_module {
src=$1
mod=$2
if [[ -d /var/lib/dkms/$mod/$ver/$marker ]]; then
rmdir /var/lib/dkms/$mod/$ver/$marker
fi
if [[ -e /usr/src/$mod-$ver || -e /var/lib/dkms/$mod/$ver ]]; then
dkms remove -m $mod -v $ver --all
rm -rf /usr/src/$mod-$ver
fi
mkdir -p /usr/src/$mod-$ver
cp -a $src/* /usr/src/$mod-$ver/
dkms add -m $mod -v $ver
dkms build $kernels -m $mod -v $ver && dkms install $kernels -m $mod -v $ver
mkdir -p /var/lib/dkms/$mod/$ver/$marker
}
if [ ! -f "/boot/overlays/seeed-4mic-voicecard.dtbo" ] && [ ! -f "/lib/modules/$(uname_r)/kernel/sound/soc/codecs/snd-soc-ac108.ko" ] ; then
install_module "./" "seeed-voicecard"
cp seeed-2mic-voicecard.dtbo /boot/overlays
cp seeed-4mic-voicecard.dtbo /boot/overlays
cp ac108_plugin/libasound_module_pcm_ac108.so /usr/lib/arm-linux-gnueabihf/alsa-lib/
cp asound.conf /etc/
else
echo "card driver already installed"
fi
grep -q "snd-soc-ac108" /etc/modules || \
echo "snd-soc-ac108" >> /etc/modules
grep -q "snd-soc-wm8960" /etc/modules || \
echo "snd-soc-wm8960" >> /etc/modules
grep -q "dtoverlay=i2s-mmap" /boot/config.txt || \
echo "dtoverlay=i2s-mmap" >> /boot/config.txt
grep -q "dtparam=i2s=on" /boot/config.txt || \
echo "dtparam=i2s=on" >> /boot/config.txt
case "${card}" in
"2mic")
cp wm8960_asound.state /var/lib/alsa/asound.state
;;
"4mic")
cp ac108_asound.state /var/lib/alsa/asound.state
;;
*)
echo "Please use 2mic or 4mic"
;;
esac
echo "------------------------------------------------------"
echo "Please reboot your raspberry pi to apply all settings"
echo "Enjoy!"
echo "------------------------------------------------------"