#!/bin/sh
###########################################################################
#
# Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
#
# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
#
# @file run.sh
#
# @author   (last)      Behrouz NematiPour
# @date     (last)      2-Aug-2021
# @author   (original)  Behrouz NematiPour
# @date     (original)  28-Oct-2019
#
############################################################################

function currDate()
{
    echo $(date +"%d%m%Y%H%M%S")
}


HOME=/home/root
SDCARD_DEV=/dev/mmcblk1p1
SDCARD_MNT=/media/sd-card
USB_DEV=/dev/sda1
USB_MNT=/media/usb

#DO NOT MODIFY POST VARIABLES
#unless the denali applicaiton is updated as well to match.
POSTLOG=$HOME/post.log
POSTMSG_CANBUS="CANBus passed"
POSTMSG_SDCARD="SD-CARD passed"
POSTMSG_TOUCH="Touch passed"
POSTMSG_RTC="RTC passed"

# cleanup the POST log file
echo "Start: $(currDate)" > $POSTLOG


#create folders for sd-card and usb if not exist
mkdir -p $SDCARD_MNT
mkdir -p $USB_MNT

# ---------------------------------------- UPDATE
#mounting usb
mount $USB_DEV $USB_MNT
if [ $? -eq 0 ]; then
    echo ":: USB drive found and mounted on $USB_MNT"
fi
#A simple none secure update
if [ -e $USB_MNT/denali ]; then
    mv $HOME/denali $HOME/denali.$(currDate)
    cp $USB_MNT/denali $HOME/denali
    # check if update where successful
    if [ $? -eq 0 ]; then
        sync;sync;sync;
        echo ":: Denali application has been updated with the one on the USB drive"
        mv $USB_MNT/denali $USB_MNT/denali.updated
        sync;sync;sync;
    fi
fi

# ----------------------------------------  SETUP & POST
#Here only passed is logged and if nothing added to the post.log means it failed.

#setting up can interface ----------------- CANBus
#current settings can be retrieved by the command below
#$ ip -details -statistics link show can0
ip link set can0 up type can bitrate 250000 restart-ms 100
ifconfig can0 txqueuelen 4000
candump can0 -T1 # check if candump can successfully use the port. will terminate in 1ms
if [ $? -eq 0 ]; then
    echo $POSTMSG_CANBUS >> $POSTLOG
fi

                 
#mounting sdcard -------------------------- SD-CARD
mount $SDCARD_DEV $SDCARD_MNT
if [ $? -eq 0 ]; then
    SDTEST="$(mount | grep "$SDCARD_DEV on $SDCARD_MNT.*(rw,")"
    if ! [ -z "$SDTEST" ]; then
        echo $SDTEST         >> $POSTLOG
        echo $POSTMSG_SDCARD >> $POSTLOG
    fi
fi


#test the touch screen -------------------- Touch
#if loaded successful it has a long description with "Touch" keyword, 'T' capital.
#if fails has a one line error with "touch" keyword, 't' non-capital.
#if there is other issues can even be empty.
TSTEST="$(dmesg | grep Touch)"
if [ $? -eq 0 ]; then
    echo $POSTMSG_TOUCH >> $POSTLOG
fi


#test the RTC ----------------------------- RTC
#may not be an accurate test but sufficient for now
#and could not find a way to get the rtc clock with the higher resolusion
#it should not be confused with date command which is system date/time and not hwclock
hwclock -r # if there is any issue with rtc hwclock will show errors
if [ $? -eq 0 ]; then
    RTC1=$(cat /sys/class/rtc/rtc0/since_epoch)
    sleep 1
    RTC2=$(cat /sys/class/rtc/rtc0/since_epoch)
    if [ $(($RTC2 - $RTC1)) -eq 1 ]; then
        echo $POSTMSG_RTC >> $POSTLOG
    fi
fi


# stop the connection manager daemon
killall connmand

# setup wifi
killall wpa_supplicant >> $HOME/filesystem.out 2>> $HOME/filesystem.err

#launching denali application, disable keep-alive
$HOME/denali -u &

udhcpc -i eth0 -n &

echo "End: $(date +"%d%m%Y%H%M%S")" >> $POSTLOG