#!/usr/bin/env bash

# call by install.sh

# enable SPI
raspi-config nonint do_spi 0

# disable serial
raspi-config nonint do_serial 2

# disable Bluetooth using UART
systemctl disable hciuart

if [ ! -f '/etc/udev/rules.d/91-local.rules' ]; then
    echo 'KERNEL=="ttyS0", MODE="660", OWNER="pi", GROUP="dialout"' > /etc/udev/rules.d/91-local.rules
fi

if [ -z "$(grep dtoverlay=pi4-disable-bt /boot/config.txt)" ]; then
    echo 'dtoverlay=pi4-disable-bt' >> /boot/config.txt
fi