|
#!/bin/bash |
|
|
|
: <<'DISCLAIMER' |
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
|
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
|
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
|
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
|
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
|
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
|
OTHER DEALINGS IN THE SOFTWARE. |
|
|
|
This script is licensed under the terms of the MIT license. |
|
Unless otherwise noted, code reproduced herein |
|
was written for this script. |
|
|
|
- The Pimoroni Crew - |
|
|
|
DISCLAIMER |
|
|
|
# script control variables |
|
|
|
productname="na" # the name of the product to install |
|
scriptname="audio" # the name of this script |
|
spacereq=1 # minimum size required on root partition in MB |
|
debugmode="no" # whether the script should use debug routines |
|
debuguser="none" # optional test git user to use in debug mode |
|
debugpoint="none" # optional git repo branch or tag to checkout |
|
forcesudo="no" # whether the script requires to be ran with root privileges |
|
promptreboot="no" # whether the script should always prompt user to reboot |
|
mininstall="no" # whether the script enforces minimum install routine |
|
customcmd="yes" # whether to execute commands specified before exit |
|
gpioreq="no" # whether low-level gpio access is required |
|
i2creq="no" # whether the i2c interface is required |
|
i2sreq="no" # whether the i2s interface is required |
|
spireq="no" # whether the spi interface is required |
|
uartreq="no" # whether uart communication is required |
|
armhfonly="yes" # whether the script is allowed to run on other arch |
|
armv6="yes" # whether armv6 processors are supported |
|
armv7="yes" # whether armv7 processors are supported |
|
armv8="yes" # whether armv8 processors are supported |
|
raspbianonly="no" # whether the script is allowed to run on other OSes |
|
osreleases=( "Raspbian" "Kano" "Mate" "PiTop" "RetroPie" ) # list os-releases supported |
|
oswarning=( "Debian" "Ubuntu" ) # list experimental os-releases |
|
osdeny=( "Darwin" "Kali" "Linaro" "Volumio" ) # list os-releases specifically disallowed |
|
|
|
FORCE=$1 |
|
ASK_TO_REBOOT=false |
|
CURRENT_SETTING=false |
|
MIN_INSTALL=false |
|
FAILED_PKG=false |
|
REMOVE_PKG=false |
|
UPDATE_DB=false |
|
|
|
AUTOSTART=~/.config/lxsession/LXDE-pi/autostart |
|
BOOTCMD=/boot/cmdline.txt |
|
CONFIG=/boot/config.txt |
|
APTSRC=/etc/apt/sources.list |
|
INITABCONF=/etc/inittab |
|
BLACKLIST=/etc/modprobe.d/raspi-blacklist.conf |
|
LOADMOD=/etc/modules |
|
|
|
RASPOOL="http://mirrordirector.raspbian.org/raspbian/pool" |
|
RPIPOOL="http://archive.raspberrypi.org/debian/pool" |
|
DEBPOOL="http://ftp.debian.org/debian/pool" |
|
GETPOOL="https://get.pimoroni.com" |
|
|
|
# function define |
|
|
|
confirm() { |
|
if [ "$FORCE" == '-y' ]; then |
|
true |
|
else |
|
read -r -p "$1 [y/N] " response < /dev/tty |
|
if [[ $response =~ ^(yes|y|Y)$ ]]; then |
|
true |
|
else |
|
false |
|
fi |
|
fi |
|
} |
|
|
|
prompt() { |
|
read -r -p "$1 [y/N] " response < /dev/tty |
|
if [[ $response =~ ^(yes|y|Y)$ ]]; then |
|
true |
|
else |
|
false |
|
fi |
|
} |
|
|
|
success() { |
|
echo -e "$(tput setaf 2)$1$(tput sgr0)" |
|
} |
|
|
|
inform() { |
|
echo -e "$(tput setaf 6)$1$(tput sgr0)" |
|
} |
|
|
|
warning() { |
|
echo -e "$(tput setaf 1)$1$(tput sgr0)" |
|
} |
|
|
|
newline() { |
|
echo "" |
|
} |
|
|
|
progress() { |
|
count=0 |
|
until [ $count -eq 7 ]; do |
|
echo -n "..." && sleep 1 |
|
((count++)) |
|
done; |
|
if ps -C $1 > /dev/null; then |
|
echo -en "\r\e[K" && progress $1 |
|
fi |
|
} |
|
|
|
sudocheck() { |
|
if [ $(id -u) -ne 0 ]; then |
|
echo -e "Install must be run as root. Try 'sudo ./$scriptname'\n" |
|
exit 1 |
|
fi |
|
} |
|
|
|
sysclean() { |
|
sudo apt-get clean && sudo apt-get autoclean |
|
sudo apt-get -y autoremove &> /dev/null |
|
} |
|
|
|
sysupdate() { |
|
if ! $UPDATE_DB; then |
|
echo "Updating apt indexes..." && progress apt-get & |
|
sudo apt-get update 1> /dev/null || { warning "Apt failed to update indexes!" && exit 1; } |
|
sleep 3 && UPDATE_DB=true |
|
fi |
|
} |
|
|
|
sysupgrade() { |
|
sudo apt-get upgrade |
|
sudo apt-get clean && sudo apt-get autoclean |
|
sudo apt-get -y autoremove &> /dev/null |
|
} |
|
|
|
sysreboot() { |
|
warning "Some changes made to your system require" |
|
warning "your computer to reboot to take effect." |
|
echo |
|
if prompt "Would you like to reboot now?"; then |
|
sync && sudo reboot |
|
fi |
|
} |
|
|
|
arch_check() { |
|
IS_ARMHF=false |
|
IS_ARMv6=false |
|
|
|
if uname -m | grep -q "armv.l"; then |
|
IS_ARMHF=true |
|
if uname -m | grep -q "armv6l"; then |
|
IS_ARMv6=true |
|
fi |
|
fi |
|
} |
|
|
|
os_check() { |
|
IS_MACOSX=false |
|
IS_RASPBIAN=false |
|
IS_SUPPORTED=false |
|
IS_EXPERIMENTAL=false |
|
OS_NAME="Unknown" |
|
|
|
if uname -s | grep -q "Darwin"; then |
|
OS_NAME="Darwin" && IS_MACOSX=true |
|
elif cat /etc/os-release | grep -q "Kali"; then |
|
OS_NAME="Kali" |
|
elif [ -d ~/.kano-settings ] || [ -d ~/.kanoprofile ]; then |
|
OS_NAME="Kano" |
|
elif whoami | grep -q "linaro"; then |
|
OS_NAME="Linaro" |
|
elif [ -d ~/.config/ubuntu-mate ];then |
|
OS_NAME="Mate" |
|
elif [ -d ~/.pt-os-dashboard ] || [ -d ~/.pt-dashboard ] || [ -f ~/.pt-dashboard-config ]; then |
|
OS_NAME="PiTop" |
|
elif command -v emulationstation > /dev/null; then |
|
OS_NAME="RetroPie" |
|
elif cat /etc/os-release | grep -q "volumio"; then |
|
OS_NAME="Volumio" |
|
elif cat /etc/os-release | grep -q "Raspbian"; then |
|
OS_NAME="Raspbian" && IS_RASPBIAN=true |
|
elif cat /etc/os-release | grep -q "Debian"; then |
|
OS_NAME="Debian" |
|
elif cat /etc/os-release | grep -q "Ubuntu"; then |
|
OS_NAME="Ubuntu" |
|
fi |
|
|
|
if [[ " ${osreleases[@]} " =~ " ${OS_NAME} " ]]; then |
|
IS_SUPPORTED=true |
|
fi |
|
if [[ " ${oswarning[@]} " =~ " ${OS_NAME} " ]]; then |
|
IS_EXPERIMENTAL=true |
|
fi |
|
} |
|
|
|
raspbian_check() { |
|
IS_SUPPORTED=false |
|
IS_EXPERIMENTAL=false |
|
|
|
if [ -f /etc/os-release ]; then |
|
if cat /etc/os-release | grep -q "/sid"; then |
|
IS_SUPPORTED=false && IS_EXPERIMENTAL=true |
|
elif cat /etc/os-release | grep -q "stretch"; then |
|
IS_SUPPORTED=true && IS_EXPERIMENTAL=false |
|
elif cat /etc/os-release | grep -q "jessie"; then |
|
IS_SUPPORTED=true && IS_EXPERIMENTAL=false |
|
elif cat /etc/os-release | grep -q "wheezy"; then |
|
IS_SUPPORTED=true && IS_EXPERIMENTAL=false |
|
else |
|
IS_SUPPORTED=false && IS_EXPERIMENTAL=false |
|
fi |
|
fi |
|
} |
|
|
|
home_dir() { |
|
if [ $EUID -ne 0 ]; then |
|
if $IS_MACOSX; then |
|
USER_HOME=$(dscl . -read /Users/$USER NFSHomeDirectory | cut -d: -f2) |
|
else |
|
USER_HOME=$(getent passwd $USER | cut -d: -f6) |
|
fi |
|
else |
|
warning "Running as root, please log in as a regular user with sudo rights!" |
|
echo && exit 1 |
|
fi |
|
} |
|
|
|
space_chk() { |
|
if command -v stat > /dev/null && ! $IS_MACOSX; then |
|
if [ $spacereq -gt $(($(stat -f -c "%a*%S" /)/10**6)) ];then |
|
echo |
|
warning "There is not enough space left to proceed with installation" |
|
if confirm "Would you like to attempt to expand your filesystem?"; then |
|
curl -sS $GETPOOL/expandfs | sudo bash && exit 1 |
|
else |
|
echo && exit 1 |
|
fi |
|
fi |
|
fi |
|
} |
|
|
|
timestamp() { |
|
date +%Y%m%d-%H%M |
|
} |
|
|
|
check_network() { |
|
sudo ping -q -w 1 -c 1 `ip r | grep default | cut -d ' ' -f 3 | head -n 1` &> /dev/null && return 0 || return 1 |
|
} |
|
|
|
force_hdmi() { |
|
if [ -e $CONFIG ] && ! grep -q "^hdmi_force_hotplug=1$" $CONFIG; then |
|
if grep -q "^#hdmi_force_hotplug=1$" $CONFIG; then |
|
sudo sed -i "s|^#hdmi_force_hotplug=1|hdmi_force_hotplug=1|" $CONFIG &> /dev/null |
|
else |
|
echo "hdmi_force_hotplug=1" | sudo tee -a $CONFIG &> /dev/null |
|
fi |
|
fi |
|
} |
|
|
|
hotplug_hdmi() { |
|
if [ -e $CONFIG ] && grep -q "^hdmi_force_hotplug=1$" $CONFIG; then |
|
sudo sed -i "s|^hdmi_force_hotplug=1|#hdmi_force_hotplug=1|" $CONFIG &> /dev/null |
|
fi |
|
} |
|
|
|
add_dtoverlay() { |
|
if grep -q "^dtoverlay=$1" $CONFIG; then |
|
echo -e "\n$1 overlay already active" |
|
elif grep -q "^#dtoverlay=$1" $CONFIG; then |
|
sudo sed -i "/^#dtoverlay=$1$/ s|#||" $CONFIG |
|
echo -e "\nAdding $1 overlay to $CONFIG" |
|
ASK_TO_REBOOT=true |
|
else |
|
echo "dtoverlay=$1" | sudo tee -a $CONFIG &> /dev/null |
|
echo -e "\nAdding $1 overlay to $CONFIG" |
|
ASK_TO_REBOOT=true |
|
fi |
|
} |
|
|
|
remove_dtoverlay() { |
|
sudo sed -i "/^dtoverlay=$1$/ s|^|#|" $CONFIG |
|
ASK_TO_REBOOT=true |
|
} |
|
|
|
enable_pi_audio() { |
|
if grep -q "#dtparam=audio=on" $CONFIG; then |
|
sudo sed -i "/^#dtparam=audio=on$/ s|#||" $CONFIG |
|
echo -e "\nsnd_bcm2835 loaded (on-board audio enabled)" |
|
ASK_TO_REBOOT=true |
|
fi |
|
} |
|
|
|
disable_pi_audio() { |
|
if grep -q "^dtparam=audio=on" $CONFIG; then |
|
sudo sed -i "/^dtparam=audio=on$/ s|^|#|" $CONFIG |
|
echo -e "\nsnd_bcm2835 unloaded (on-board audio disabled)" |
|
ASK_TO_REBOOT=true |
|
fi |
|
} |
|
|
|
test_audio() { |
|
newline |
|
if confirm "Do you wish to test your system now?"; then |
|
echo -e "\nTesting..." |
|
speaker-test -l5 -c2 -t wav |
|
fi |
|
} |
|
|
|
disable_pulseaudio() { |
|
sudo mv /etc/xdg/autostart/pulseaudio.desktop /etc/xdg/autostart/pulseaudio.disabled &> /dev/null |
|
pulseaudio -k &> /dev/null |
|
} |
|
|
|
kill_volumealsa() { |
|
sed -i "s|type=volumealsa|type=space|" $HOME/.config/lxpanel/LXDE/panels/panel &> /dev/null |
|
sed -i "s|type=volumealsa|type=space|" $HOME/.config/lxpanel/LXDE-pi/panels/panel &> /dev/null |
|
} |
|
|
|
basic_asound() { |
|
sudo echo -e "pcm.\041default {\n type hw\n card 1\n}" > $HOME/.asoundrc |
|
sudo echo -e "ctl.\041default {\n type hw\n card 1\n}" >> $HOME/.asoundrc |
|
sudo mv $HOME/.asoundrc /etc/asound.conf |
|
} |
|
|
|
route_audio() { |
|
if [ $debugmode == "yes" ]; then |
|
warning "passed parameter is $FORCE" |
|
fi |
|
if [ "$FORCE" == '1' ]; then |
|
amixer cset numid=3 1 > /dev/null |
|
success "Audio output mode changed to Analog!" |
|
hotplug_hdmi |
|
elif [ "$FORCE" == '2' ]; then |
|
amixer cset numid=3 2 > /dev/null |
|
success "Audio output mode changed to HDMI!" |
|
hotplug_hdmi |
|
elif [ "$FORCE" == '3' ]; then |
|
amixer cset numid=3 2 > /dev/null |
|
success "Audio signal will be forcefully sent to HDMI!" |
|
force_hdmi |
|
else |
|
newline |
|
echo "Please choose an audio output mode:" && newline |
|
echo "0 : Automatic signal detection" |
|
echo "1 : Output to analogue (headphone/speaker jack)" |
|
echo "2 : Output to digital (HDMI port)" |
|
echo "3 : Force route to digital (HDMI hotplug disabled)" |
|
newline |
|
read -r -p "Enter an option [0-3]:" choice < /dev/tty |
|
if [ $debugmode == "yes" ]; then |
|
echo "User chose option $choice" |
|
fi |
|
if [[ $choice =~ ^(0|1|2)$ ]]; then |
|
amixer cset numid=3 $choice > /dev/null |
|
success "Audio output mode changed!" |
|
hotplug_hdmi |
|
elif [[ $choice =~ ^(3)$ ]]; then |
|
amixer cset numid=3 $choice > /dev/null |
|
success "Audio signal will be forcefully sent to HDMI!" |
|
force_hdmi |
|
else |
|
warning "Invalid option!" |
|
route_audio |
|
fi |
|
fi |
|
} |
|
|
|
: <<'MAINSTART' |
|
|
|
Perform all global variables declarations as well as function definition |
|
above this section for clarity, thanks! |
|
|
|
MAINSTART |
|
|
|
# intro message |
|
|
|
if [ $debugmode != "no" ]; then |
|
if [ $debuguser != "none" ]; then |
|
gitusername="$debuguser" |
|
fi |
|
if [ $debugpoint != "none" ]; then |
|
gitrepobranch="$debugpoint" |
|
fi |
|
inform "\nDEBUG MODE ENABLED" |
|
echo -e "git user $gitusername and $gitrepobranch branch/tag will be used\n" |
|
else |
|
echo -e "\nThis script will configure your Pi audio output!" |
|
if [ "$FORCE" != '-y' ]; then |
|
inform "\nAlways be careful when running scripts and commands copied" |
|
inform "from the internet. Ensure they are from a trusted source.\n" |
|
echo -e "If you want to see what this script does before running it," |
|
echo -e "you should run: 'curl $GETPOOL/$scriptname'\n" |
|
fi |
|
fi |
|
|
|
# checks and init |
|
|
|
arch_check |
|
os_check |
|
space_chk |
|
home_dir |
|
|
|
if [ $debugmode != "no" ]; then |
|
echo "USER_HOME is $USER_HOME" |
|
echo "OS_NAME is $OS_NAME" |
|
echo "IS_SUPPORTED is $IS_SUPPORTED" |
|
echo "IS_EXPERIMENTAL is $IS_EXPERIMENTAL" |
|
echo |
|
fi |
|
|
|
if ! $IS_ARMHF; then |
|
warning "This hardware is not supported, sorry!" |
|
warning "Config files have been left untouched\n" |
|
exit 1 |
|
fi |
|
|
|
if $IS_ARMv8 && [ $armv8 == "no" ]; then |
|
warning "Sorry, your CPU is not supported by this installer\n" |
|
exit 1 |
|
elif $IS_ARMv7 && [ $armv7 == "no" ]; then |
|
warning "Sorry, your CPU is not supported by this installer\n" |
|
exit 1 |
|
elif $IS_ARMv6 && [ $armv6 == "no" ]; then |
|
warning "Sorry, your CPU is not supported by this installer\n" |
|
exit 1 |
|
fi |
|
|
|
if [ $raspbianonly == "yes" ] && ! $IS_RASPBIAN;then |
|
warning "This script is intended for Raspbian on a Raspberry Pi!\n" |
|
exit 1 |
|
fi |
|
|
|
if $IS_RASPBIAN; then |
|
raspbian_check |
|
if ! $IS_SUPPORTED && ! $IS_EXPERIMENTAL; then |
|
warning "\n--- Warning ---\n" |
|
echo "The $productname installer" |
|
echo "does not work on this version of Raspbian." |
|
echo "Check https://github.com/$gitusername/$gitreponame" |
|
echo "for additional information and support" && echo |
|
exit 1 |
|
fi |
|
fi |
|
|
|
if ! $IS_SUPPORTED && ! $IS_EXPERIMENTAL; then |
|
warning "Your operating system is not supported, sorry!\n" |
|
exit 1 |
|
fi |
|
|
|
if $IS_EXPERIMENTAL; then |
|
warning "Support for your operating system is experimental. Please visit" |
|
warning "forums.pimoroni.com if you experience issues with this product.\n" |
|
fi |
|
|
|
if [ $forcesudo == "yes" ]; then |
|
sudocheck |
|
fi |
|
|
|
if [ $uartreq == "yes" ]; then |
|
echo "Note: $productname requires UART communication" |
|
warning "The serial console will be disabled if you proceed!" |
|
fi |
|
if [ $spireq == "yes" ]; then |
|
echo -e "Note: $productname requires SPI communication" |
|
fi |
|
if [ $i2creq == "yes" ]; then |
|
echo -e "Note: $productname requires I2C communication" |
|
fi |
|
if [ $i2sreq == "yes" ]; then |
|
echo -e "Note: $productname uses the I2S interface" |
|
warning "The on-board audio chip will be disabled if you proceed!" |
|
fi |
|
|
|
newline |
|
if confirm "Do you wish to continue?"; then |
|
|
|
# environment preparation |
|
|
|
if [ -e $CONFIG ] && grep -q -E "^dtparam=audio=on$" $CONFIG; then |
|
bcm2835off="no" |
|
elif [ -e $LOADMOD ] && grep -q "^snd-bcm2835" $LOADMOD; then |
|
bcm2835off="no" |
|
else |
|
bcm2835off="yes" |
|
fi |
|
|
|
if [ $bcm2835off == "no" ]; then |
|
newline |
|
route_audio |
|
if [ "$FORCE" != '-y' ] && [ "$FORCE" != '3' ]; then |
|
test_audio |
|
fi |
|
newline |
|
else |
|
newline |
|
warning "Default sound driver currently not loaded!" |
|
if confirm "Do you wish to re-enable the on-board audio?"; then |
|
enable_pi_audio |
|
remove_dtoverlay i2s-mmap |
|
remove_dtoverlay hifiberry-dac |
|
sudo rm /etc/asound.conf &> /dev/null |
|
sudo rm ~/.asound.rc &> /dev/null |
|
newline |
|
else |
|
exit 1 |
|
fi |
|
fi |
|
|
|
if [ $promptreboot == "yes" ] || $ASK_TO_REBOOT; then |
|
sysreboot && newline |
|
fi |
|
else |
|
newline && echo "Aborting..." && newline |
|
fi |
|
|
|
exit 0 |
