prepare to show live people counter value

README.txt

@@ -13,7 +13,7 @@ how to install
 
 sudo vi /etc/xdg/lxsession/LXDE/autostart
 remove screensaver
-sudo apt-get install unclutter xdotool git-core screen imagemagick
+sudo apt-get install unclutter xdotool git-core screen imagemagick x11-xserver-utils
 git clone git://git.drogon.net/wiringPi
 cd wiringPi
 ./build
@@ -27,6 +27,7 @@ cat > /home/pi/.config/lxsession/LXDE/autostart <<"EOF"
 @sudo python ./doorbuzz/setneocolor.py
 @./doorbuzz/buzzctrl.sh
 @./doorbuzz/videoplayer.sh
+@./doorbuzz/arpspoofdetect.sh
 @sudo python ./doorbuzz/shutdownbutton.py
 @./doorbuzz/phone_notification_client.sh
 EOF

arpspoofdetect.sh

@@ -0,0 +1,47 @@
+#!/bin/bash
+# led is not neopixel, so use the python lib for that
+BUTTONPIN=25
+BUZZERURL="$(cat "$(dirname "$0")"/secret.txt)/state.xml?relay1State=2&pulseTime1=5"
+BUZZERSTATUSURL="$(cat "$(dirname "$0")"/secret.txt)/state.xml"
+ATTENUATION=4
+# file secret.txt should contain username:password
+cd $(dirname "$0")
+
+showleds() {
+  ./redi.sh <<EOF
+    neoaction=$1
+    neored=$2
+    neogreen=$3
+    neoblue=$4
+    neomorse=$5
+EOF
+}
+pulseon() {
+  red=$1
+  green=$2
+  blue=$3
+  showleds pulse $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION)) </dev/null >/dev/null 2>&1 &
+  echo $!
+}
+
+echo "Initializing hardware"
+# the button
+
+ledcolor() {
+  red=$1
+  green=$2
+  blue=$3
+  showleds set $((red/ATTENUATION)) $((green/ATTENUATION)) $((blue/ATTENUATION))
+}
+echo "Main loop"
+while true
+do
+if [ $(arp -a | awk '{arp[$2]=$4;ip[$4]=ip[$4]" "$2}END{print ip[arp["(10.2.113.1)"]]}' | wc -w) -gt 1 ]
+then
+  ledcolor 255 50 50
+  sleep 1
+  pulseon 255 255 255
+  sleep 60
+fi
+done
+

peoplecounter.sh

@@ -0,0 +1,5 @@
+#!/bin/bash
+wget -qO - http://10.2.113.6/output.cgi |
+sed 's/.*Occupancy://'|
+awk '{print $2}' 
+

presency.py

@@ -0,0 +1,8 @@
+# this gives number of people present via spaceapi
+# but if network down, this does not work
+# better get data direct from pidor or peoplecounter
+import urllib, json
+url = "https://spaceapi.syn2cat.lu/status/json"
+response = urllib.urlopen(url);
+data = json.loads(response.read())
+print data["sensors"]["people_now_present"][0]["value"]

videoplayer.sh

@@ -7,6 +7,7 @@ fi
 killall feh
 trap "killall feh; killall omxplayer" 1 2 3 15
 feh -F -x black.png &
+#feh black.png &
 while true
 do
   if [ "$(python ./spacestatus.py)" = "False" ]