#!/bin/bash

#not really needed after first boot
#/usr/bin/filesystem_resize.sh

#supposedly needed for usb storage, but works anyway
#/etc/init.d/S50usbdevice start

luckfox-config load

#try enable RTC
echo 'ds1307 0x68' | sudo tee /sys/class/i2c-adapter/i2c-3/new_device > /dev/null 2>&1

#if RTC recognized
if ls /dev/rtc* 1> /dev/null 2>&1; then
    rtc="true"
    if sudo hwclock -s 2>&1 | grep -a failed > /dev/null 2>&1; then
	echo "RTC device found but failed to get time."
    else
	hwclock -s > /dev/null 2>&1 &
	echo "RTC device found! $(date +"%Y-%m-%d %H:%M:%S %Z")."
    fi
else
    echo "RTC not found."
    sudo date -s "1 JAN 2024 00:00:00" > /dev/null 2>&1 &
fi

#try get network time
date_str=$(curl -s --head http://google.com | grep ^Date: | sed 's/Date: //g')
if [ -n "$date_str" ]; then
  sudo date -s "$date_str" > /dev/null 2>&1
  sudo echo "Got network time: $(date +"%Y-%m-%d %H:%M:%S %Z")."
  if [ "$rtc" = "true" ]; then
    echo "Setting RTC to network time."
    sudo hwclock -w &
  fi
else
  echo "Failed to fetch network time, using $(date +"%Y-%m-%d %H:%M:%S %Z") instead."
fi

echo "Disabling LED..."
echo "none" > /sys/class/leds/work/trigger &

# necessary for internet over usb in otg mode (see https://web.archive.org/web/20241006173648/https://wiki.luckfox.com/Luckfox-Pico/Luckfox-Pico-Network-Sharing-1/)
# sleep 5 && route add default gw 172.32.0.100 && echo "nameserver 8.8.8.8" >> /etc/resolv.conf

#does not appear to lower power consumption, but needs more testing
#(sleep 5 && cpufreq-set -u 408000 && echo "Boot complete, setting CPU frequency to 408mhz.") &


#boot complete, blink USER LED 5 times in background
echo 34 > /sys/class/gpio/export && echo out > /sys/class/gpio/gpio34/direction && (
  for i in $(seq 1 5); do
  echo 1 > /sys/class/gpio/gpio34/value;
  sleep 0.5;
  echo 0 > /sys/class/gpio/gpio34/value; sleep 0.5; done
) &

exit 0