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@ekohilas
Created Sep 2, 2018
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image installation scripts for bluetooth and ssh on a raspberry pi
#!/bin/sh
if test $# -ne 2
then
echo "Usage: ./burn.sh image_name disk_name"
exit 1
fi
img=$1
sd=$2
echo "Are you sure you want to run: (Y)"
echo "'sudo dd bs=4M if=$img of=/dev/$sd status=progress conv=fsync'"
read okay
if test "$okay" = "Y"
then
sudo dd bs=4M if="$img" "of=/dev/$sd" status=progress conv=fsync
sync
else
echo "Didn't burn $img to $sd."
fi
#!/bin/sh
set -e
root_mnt="$1"
hostname="$2"
# Set Hostname
echo "Setting Bluetooth Hostname to $hostname."
echo "PRETTY_HOSTNAME=$hostname" > "$root_mnt/etc/machine-info"
# Enable bluetooth serial services
bluet_service="bluetooth.service"
bluet_location="$root_mnt/lib/systemd/system/$bluet_service"
bluez_service="dbus-org.bluez.service"
bluez_location="$root_mnt/etc/systemd/system/$bluez_service"
service_name="$bluet_service"
serivce_loc="$bluet_location"
mark="# BT serial config"
service_str="$mark\n\
# Add -C for compatibility\n\
ExecStart=/usr/lib/bluetooth/bluetoothd -C\n\
# Add the SP profile\n\
ExecStartPost=/usr/bin/sdptool add SP\n\
# Make bluetooth discoverable\n\
ExecStartPost=/bin/hciconfig hci0 piscan"
echo "Enabling bluetooth serial services by editing '$serivce_loc'."
if grep -xq "$mark" "$serivce_loc"
then
echo "'$serivce_loc' already edited."
else
sudo sed -i "s|^Exec.*toothd$|$service_str|" "$serivce_loc"
fi
# create the rfcomm service to enable the bluetooth serial port from systemctl
rf_service="$root_mnt/etc/systemd/system/rfcomm.service"
echo -n "Creating rfcomm service to enable the Bluetooth serial port "
echo "from systemctl by creating '$rf_service'."
sudo cat > "$rf_service" << EOF
[Unit]
Description=RFCOMM service
After=$service_name
Requires=$service_name
[Service]
ExecStart=/usr/bin/rfcomm watch hci0 1 getty rfcomm0 115200 vt100 -a pi
[Install]
WantedBy=multi-user.target
EOF
echo "Finished setting up bluetooth."
#!/bin/sh
set -e
boot_mnt="$1"
# Enable ssh
echo "Enabling SSH by creating '$boot_mnt/ssh'."
sudo touch "$boot_mnt/ssh"
# Enable device tree overlay
config="$boot_mnt/config.txt"
config_str="dtoverlay=dwc2"
echo "Enabling device tree overlay by adding '$config_str' to '$config'."
if grep -xq "$config_str" "$config"
then
echo "'$config_str' already in '$config'."
else
sudo echo >> "$config"
sudo echo "# Enable device tree overlay for SSH over USB" >> "$config"
sudo echo "$config_str" >> "$config"
fi
# ??
#echo "start_x=0" >> "$boot_mnt/config.txt"
# Enable modules
cmdline="$boot_mnt/cmdline.txt"
cmdline_str="modules-load=dwc2,g_ether"
echo "Enable modules by editing '$cmdline' to include '$cmdline_str'."
if grep -q "$cmdline_str" "$cmdline"
then
echo "'$cmdline_str' already in '$cmdline'."
else
sudo sed -i "s/rootwait/rootwait $cmdline_str/" "$cmdline"
fi
echo "Finished setting up ssh."
#!/bin/sh
distro="https://downloads.raspberrypi.org/raspbian_lite_latest"
if test "$#" -ne 1
then
echo "usage sudo ./setup.sh image"
exit 1
fi
img="$1"
boot_mnt="$(mktemp -d)"
root_mnt="$(mktemp -d)"
hostname="raspberry-pi"
# parition and mount
sudo losetup -P /dev/loop0 "$img" || exit 1
echo "Mounting boot to $boot_mnt."
sudo mount "/dev/loop0p1" "$boot_mnt" || exit 1
echo "Mounting root to $root_mnt."
sudo mount "/dev/loop0p2" "$root_mnt" || exit 1
# setup ssh
sh setup-ssh.sh "$boot_mnt"
# setup bt
sh setup-bt.sh "$root_mnt" "$hostname"
# Unmount
echo "Unmounting '$boot_mnt'."
sudo umount "$boot_mnt"
echo "Unmounting '$root_mnt'."
sudo umount "$root_mnt"
sudo losetup -D "$img"
echo "Done!"
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