#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

# AutoGenerate SSH keys if they are missing
if [ ! -f /etc/ssh/ssh_host_rsa_key ] || [ ! -f /etc/ssh/ssh_host_dsa_key ]; then
        mount -o remount,rw /
        dpkg-reconfigure openssh-server
        # Clean up the modules since this is the first run
        /sbin/depmod
        # Clean up libraries
        /sbin/ldconfig
fi

# AutoAdd the /dev/ttyAMA0
if [ ! -f /dev/ttyAMA0 ]; then
        mount -o remount,rw /
        ln -s /dev/ttyS1 /dev/ttyAMA0
        # Bring back the heartbead led
        echo heartbeat >/sys/devices/platform/leds-gpio/leds/blue_led/trigger
fi

# Set Ondemand Scheduler
echo ondemand | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor >/dev/null 2>&1
sleep 0.1
cd /sys/devices/system/cpu
for i in cpufreq/ondemand cpu0/cpufreq/ondemand cpu4/cpufreq/ondemand ; do
        if [ -d $i ]; then
                echo 1 >${i}/io_is_busy
                echo 25 >${i}/up_threshold
                echo 10 >${i}/sampling_down_factor
        fi
done

# Pull in the Config settings from /boot if they exist there
if [ -f /boot/Pi-Star_Config_*.zip ]; then
        /usr/local/sbin/pistar-bootconfig.sh
        exit 0
fi

# Pull in the WiFi settings from /boot if they exist there
if [ -f /boot/wpa_supplicant.conf ]; then
        mount -o remount,rw /boot
        mount -o remount,rw /
        mv /boot/wpa_supplicant.conf /etc/wpa_supplicant/wpa_supplicant.conf
        wpa_cli reconfigure wlan0
        reboot
        exit 0
fi

# Print the IP address
_IP=$(hostname -I) || true
if [ "$_IP" ]; then
  printf "My IP address is %s\n" "$_IP"
fi

# Update the Kernel version in /etc/pistar-release
_KernelVer=`uname -r`
_MMDVMHostVer=`MMDVMHost -v | awk '{ print $3 }'`
mount -o remount,rw /
sed -i "/kernel/c kernel = $_KernelVer" /etc/pistar-release
sed -i "/MMDVMHost/c MMDVMHost = $_MMDVMHostVer" /etc/pistar-release
mount -o remount,ro /

mount -o remount,rw /
echo 3 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio3/direction
echo 1 > /sys/class/gpio/gpio3/value
echo 3 > /sys/class/gpio/unexport
mount -o remount,ro /

exit 0