sbevmon

#!/bin/sh

# monitor event0, event1 and event2 keys and send a raw hexcode to home assistant webhook
# monitor light sensor and send it to home assistant webhook

############ variables ####

#BWH="87161aac-f0ae-4939-8ad3-4f36b6482bb9"  # button webhook
#LWH="-F45c1sMSuxX-P34CE0uT-fwx"             # light webhook
#HA="homeassistant.local"                    # home assistant ip/hostname

HP=8123                                     # home assistant port
LIGHTSLEEP=1                                # light loop sleep duration
LIGHTDIFF=500                               # light diff to previous measure

getbwh() {
  cat "/etc/squeezeplay/userpath/settings/SlimDiscovery.lua" | awk -F 'playerId=' '{print $2}' | awk -F',' '{print $1}' | md5sum | awk '{print $1}'
}

getlmsip() {
  cat "/etc/squeezeplay/userpath/settings/SlimDiscovery.lua" | awk -F 'ip=' '{print $2}'| awk -F',' '{print $1}'  | sed "s:\"::g" | sed "s:\:::g"
}


if [ -z "$BWH" ]; then
 BWH="$(getbwh)"
fi

if [ -z "$LWH" ]; then
 LWH="$(getbwh | md5sum | awk '{print $1}')"
fi

if [ -z "$HA" ]; then
 HA="$(getlmsip)"
fi

if [ -n "$1" ]; then
  echo "button webhook BWH: '$BWH'"
  echo "light webhook LWH: '$LWH'"
  echo "LMS ip HA: '$HA'"
  exit
fi

############

loopev0() {
  while true; do
    KEYVAL="$(hexdump "/dev/input/event0" -n 12 | awk '{print $7}')"
    if [ -n "$KEYVAL" ]; then
      wget --post-data "key=$KEYVAL" http://$HA:$HP/api/webhook/$BWH -q -O-
    fi
  done
}

loopev1() {
  while true; do
    KEYVAL="$(hexdump "/dev/input/event1" -n 12 | awk '{print $7}')"
    if [ -n "$KEYVAL" ]; then
      wget --post-data "key=$KEYVAL" http://$HA:$HP/api/webhook/$BWH -q -O-
    fi
  done
}

loopev2() {
  while true; do
    KEYVAL="$(hexdump "/dev/input/event2" -n 14 | awk '{print $7 $8}')"
    if [ -n "$KEYVAL" ]; then
      wget --post-data "key=$KEYVAL" http://$HA:$HP/api/webhook/$BWH -q -O-
    fi
  done
}

looplight() {
  OLDAMB=100000
  while true; do
    AMB="$(cat /sys/class/i2c-adapter/i2c-1/1-0010/ambient)"
    if [ "$AMB" -gt "$OLDAMB" ]; then
      DIFF=$(( AMB - OLDAMB ))
    else
      DIFF=$(( OLDAMB - AMB ))
    fi

    OLDAMB="$AMB"

    if [ "$DIFF" -gt "$LIGHTDIFF" ]; then
      wget --post-data "light=$AMB" http://$HA:$HP/api/webhook/$LWH -q -O-
    fi
    sleep "$LIGHTSLEEP"
  done
}

loopev0 & loopev1 & loopev2 &
looplight &