#!/bin/bash
#FORCE_KERNEL="1.20190925+1-1"
#FORCE_KERNEL="1.20200212-1"
#FORCE_KERNEL="1.20190517-1"
FORCE_KERNEL="1.20190401-1"
if [[ $EUID -ne 0 ]]; then
echo "This script must be run as root (use sudo)" 1>&2
exit 1
fi
# Check for enough space on /boot volume
boot_line=$(df -h | grep /boot | head -n 1)
if [ "x${boot_line}" = "x" ]; then
echo "Warning: /boot volume not found .."
else
boot_space=$(echo $boot_line | awk '{print $4;}')
free_space=$(echo "${boot_space%?}")
unit="${boot_space: -1}"
if [[ "$unit" = "K" ]]; then
echo "Error: Not enough space left ($boot_space) on /boot"
exit 1
elif [[ "$unit" = "M" ]]; then
if [ "$free_space" -lt "25" ]; then
echo "Error: Not enough space left ($boot_space) on /boot"
exit 1
fi
fi
fi
#
# make sure that we are on something ARM/Raspberry related
# either a bare metal Raspberry or a qemu session with
# Raspberry stuff available
# - check for /boot/overlays
# - dtparam and dtoverlay is available
errorFound=0
if [ ! -d /boot/overlays ] ; then
echo "/boot/overlays not found or not a directory" 1>&2
errorFound=1
fi
# should we also check for alsactl and amixer used in seeed-voicecard?
for cmd in dtparam dtoverlay ; do
if ! which $cmd &>/dev/null ; then
echo "$cmd not found" 1>&2
errorFound=1
fi
done
if [ $errorFound = 1 ] ; then
echo "Errors found, exiting." 1>&2
exit 1
fi
ver="0.3"
uname_r=$(uname -r)
# we create a dir with this version to ensure that 'dkms remove' won't delete
# the sources during kernel updates
marker="0.0.0"
_VER_RUN=
function get_kernel_version() {
local ZIMAGE IMG_OFFSET
_VER_RUN=""
[ -z "$_VER_RUN" ] && {
ZIMAGE=/boot/kernel.img
IMG_OFFSET=$(LC_ALL=C grep -abo $'\x1f\x8b\x08\x00' $ZIMAGE | head -n 1 | cut -d ':' -f 1)
_VER_RUN=$(dd if=$ZIMAGE obs=64K ibs=4 skip=$(( IMG_OFFSET / 4)) | zcat | grep -a -m1 "Linux version" | strings | awk '{ print $3; }')
}
echo "$_VER_RUN"
return 0
}
function check_kernel_headers() {
VER_RUN=$(get_kernel_version)
VER_HDR=$(dpkg -L raspberrypi-kernel-headers | egrep -m1 "/lib/modules/[^-]+/build" | awk -F'/' '{ print $4; }')
[ "X$VER_RUN" == "X$VER_HDR" ] && {
return 0
}
# echo RUN=$VER_RUN HDR=$VER_HDR
echo " !!! Your kernel version is $VER_RUN"
echo " Not found *** coressponding *** kernel headers with apt-get."
echo " This may occur if you have ran 'rpi-update'."
echo " Choose *** y *** will revert the kernel to version $VER_HDR then continue."
echo " Choose *** N *** will exit without this driver support, by default."
read -p "Would you like to proceed? (y/N)" -n 1 -r -s
echo
if ! [[ $REPLY =~ ^[Yy]$ ]]; then
exit 1;
fi
#apt-get -y --reinstall install raspberrypi-kernel
}
function download_install_debpkg() {
local prefix name r
prefix=$1
name=$2
for (( i = 0; i < 3; i++ )); do
wget $prefix$name -O /tmp/$name && break
done
dpkg -i /tmp/$name; r=$?
rm -f /tmp/$name
return $r
}
option_pattern="compat-kernel"
#if [[ $1 =~ ${option_pattern} ]]; then
echo "will compile with a compatible kernel..."
#else
# FORCE_KERNEL=""
# echo "will compile with the latest kernel..."
#fi
function install_kernel() {
local _url _prefix
# Instead of retriving the lastest kernel & headers
#&& {
# apt-get -y --force-yes install raspberrypi-kernel-headers raspberrypi-kernel
# }
#
[ "X$FORCE_KERNEL" == "X" ] || {
# We would like to a fixed version
KERN_NAME=raspberrypi-kernel_${FORCE_KERNEL}_armhf.deb
HDR_NAME=raspberrypi-kernel-headers_${FORCE_KERNEL}_armhf.deb
#_url=$(apt-get download --print-uris raspberrypi-kernel | sed -nre "s/'([^']+)'.*$/\1/g;p")
_prefix='http://archive.raspberrypi.org/debian/pool/main/r/raspberrypi-firmware/'
#_prefix=$(echo $_url | sed -nre 's/^(.*)raspberrypi-kernel_.*$/\1/g;p')
download_install_debpkg "$_prefix" "$KERN_NAME"
download_install_debpkg "$_prefix" "$HDR_NAME"
}
}
# update and install required packages
which apt &>/dev/null
if [[ $? -eq 0 ]]; then
apt update -y
#apt-get -y install dkms git i2c-tools libasound2-plugins
install_kernel
# rpi-update checker
check_kernel_headers
fi
# Arch Linux
which pacman &>/dev/null
if [[ $? -eq 0 ]]; then
pacman -Syu --needed git gcc automake make dkms linux-raspberrypi-headers i2c-tools
fi
# locate currently installed kernels (may be different to running kernel if
# it's just been updated)
base_ver=$(get_kernel_version)
base_ver=${base_ver%%[-+]*}
kernels="${base_ver}+ ${base_ver}-v7+ ${base_ver}-v7l+"
echo kernels
exit
function install_module {
local _i
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 --force -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
for _i in $kernels; do
dkms build -k $_i -m $mod -v $ver && {
dkms install --force -k $_i -m $mod -v $ver
} || {
echo "can not compile with this kernel, abort"
echo "please try compile with the option --compat-kernel"
exit 1
}
done
mkdir -p /var/lib/dkms/$mod/$ver/$marker
}
install_module "./" "seeed-voicecard"
# install dtbos
cp seeed-2mic-voicecard.dtbo /boot/overlays
cp seeed-4mic-voicecard.dtbo /boot/overlays
cp seeed-8mic-voicecard.dtbo /boot/overlays
#install alsa plugins
# no need this plugin now
# install -D ac108_plugin/libasound_module_pcm_ac108.so /usr/lib/arm-linux-gnueabihf/alsa-lib/
rm -f /usr/lib/arm-linux-gnueabihf/alsa-lib/libasound_module_pcm_ac108.so
#set kernel modules
grep -q "^snd-soc-seeed-voicecard$" /etc/modules || \
echo "snd-soc-seeed-voicecard" >> /etc/modules
grep -q "^snd-soc-ac108$" /etc/modules || \
echo "snd-soc-ac108" >> /etc/modules
grep -q "^snd-soc-wm8960$" /etc/modules || \
echo "snd-soc-wm8960" >> /etc/modules
#set dtoverlays
sed -i -e 's:#dtparam=i2c_arm=on:dtparam=i2c_arm=on:g' /boot/config.txt || true
grep -q "^dtoverlay=i2s-mmap$" /boot/config.txt || \
echo "dtoverlay=i2s-mmap" >> /boot/config.txt
grep -q "^dtparam=i2s=on$" /boot/config.txt || \
echo "dtparam=i2s=on" >> /boot/config.txt
#install config files
mkdir /etc/voicecard || true
cp *.conf /etc/voicecard
cp *.state /etc/voicecard
#create git repo
git_email=$(git config --global --get user.email)
git_name=$(git config --global --get user.name)
if [ "x${git_email}" == "x" ] || [ "x${git_name}" == "x" ] ; then
echo "setup git config"
git config --global user.email "[email protected]"
git config --global user.name "respeaker"
fi
echo "git init"
git --git-dir=/etc/voicecard/.git init
echo "git add --all"
git --git-dir=/etc/voicecard/.git --work-tree=/etc/voicecard/ add --all
echo "git commit -m \"origin configures\""
git --git-dir=/etc/voicecard/.git --work-tree=/etc/voicecard/ commit -m "origin configures"
cp seeed-voicecard /usr/bin/
cp seeed-voicecard.service /lib/systemd/system/
systemctl enable seeed-voicecard.service
systemctl start seeed-voicecard
echo "------------------------------------------------------"
echo "Please reboot your raspberry pi to apply all settings"
echo "Enjoy!"
echo "------------------------------------------------------"
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