c0ze · October 28, 2015 10:07 · Oct 28, 2015
diff --git a/eddystone_scan.sh b/eddystone_scan.sh
@@ -0,0 +1,84 @@
+#!/bin/bash
+# Eddystone Scan by Arda Karaduman
+# Based on ibeacon_scan by radius networks
+# http://stackoverflow.com/questions/21733228/can-raspberrypi-with-ble-dongle-detect-ibeacons
+
+if [[ $1 == "parse" ]]; then
+  packet=""
+  capturing=""
+  count=0
+  while read line
+  do
+    count=$[count + 1]
+    if [ "$capturing" ]; then
+      if [[ $line =~ ^[0-9a-fA-F]{2}\ [0-9a-fA-F] ]]; then
+        packet="$packet $line"
+      else
+
+          if [[ $packet =~ ^04\ 3E\ .{2}\ 02\ 01\ .{26}\ 02\ 01\ .{12} ]]; then
+#	      printf "$packet\n"
+
+	      TYPE=`echo $packet | sed 's/^.\{75\}\(.\{2\}\).*$/\1/'`
+
+	      POWER=`echo $packet | sed 's/^.\{78\}\(.\{2\}\).*$/\1/'`
+	      POWER=`echo "ibase=16; $POWER" | bc`
+	      POWER=$[POWER - 256]
+
+	      LEN=$[${#packet} - 2]
+	      RSSI=`echo $packet | sed "s/^.\{$LEN\}\(.\{2\}\).*$/\1/"`
+	      RSSI=`echo "ibase=16; $RSSI" | bc`
+	      RSSI=$[RSSI - 256]
+
+	      case "$TYPE" in
+		  00)
+		      TYPE=UID
+		      UUID=`echo $packet | sed 's/^.\{81\}\(.\{30\}\).*$/\1/'`
+		      INSTANCE=`echo $packet | sed 's/^.\{111\}\(.\{18\}\).*$/\1/'`
+
+		      echo "TYPE : $TYPE UUID : $UUID INSTANCE : $INSTANCE POWER : $POWER RSSI : $RSSI"
+		      ;;
+		  10)
+		      TYPE=URL
+		      SCHEME=`echo $packet | sed 's/^.\{81\}\(.\{2\}\).*$/\1/'`
+		      LEN=$[${#packet} - 86]
+		      URL=`echo $packet | sed "s/^.\{83\}\(.\{$LEN\}\).*$/\1/"`
+		      URL=`echo $URL | sed 's/ /\\\x/g'`
+		      URL="\\x$URL"
+		      URL=`echo -e $URL | awk '{printf "%s\n", $_}'`
+		      echo "TYPE : $TYPE SCHEME : $SCHEME URL : $URL POWER : $POWER RSSI : $RSSI"
+		      ;;
+		  20)
+		      TYPE=TLM
+		      VERSION=`echo $packet | sed 's/^.\{78\}\(.\{2\}\).*$/\1/'`
+		      BATTERY=`echo $packet | sed 's/^.\{81\}\(.\{5\}\).*$/\1/' | sed 's/ //g'`
+		      BATTERY=`echo "ibase=16; $BATTERY" | bc`
+		      TEMP=`echo $packet | sed 's/^.\{87\}\(.\{5\}\).*$/\1/' | sed 's/ //g'`
+		      TEMP=`echo "ibase=16; $TEMP" | bc`
+		      TEMP=`bc <<< "scale=2; $TEMP/256"`
+		      PCOUNT=`echo $packet | sed 's/^.\{93\}\(.\{11\}\).*$/\1/' | sed 's/ //g'`
+		      PCOUNT=`echo "ibase=16; $PCOUNT" | bc`
+		      TIME=`echo $packet | sed 's/^.\{105\}\(.\{11\}\).*$/\1/' | sed 's/ //g'`
+		      TIME=`echo "ibase=16; $TIME" | bc`
+
+		      echo "TYPE : $TYPE VERSION : $VERSION BATTERY : $BATTERY TEMP : $TEMP PCOUNT : $PCOUNT TIME : $TIME RSSI : $RSSI"
+		      ;;
+	      esac
+          fi
+          capturing=""
+          packet=""
+      fi
+    fi
+
+    if [ ! "$capturing" ]; then
+      if [[ $line =~ ^\> ]]; then
+        packet=`echo $line | sed 's/^>.\(.*$\)/\1/'`
+        capturing=1
+      fi
+    fi
+  done
+else
+  sudo hcitool lescan --duplicates 1>/dev/null &
+  if [ "$(pidof hcitool)" ]; then
+    sudo hcidump --raw hci | ./$0 parse $1
+  fi
+fi