diff --git a/wifibroadcast-scripts/profile b/wifibroadcast-scripts/profile
new file mode 100644
index 0000000..eca48c7
--- /dev/null
+++ b/wifibroadcast-scripts/profile
@@ -0,0 +1,1944 @@
+# check if cam is detected to determine if we're going to be RX or TX
+CAM=`/usr/bin/vcgencmd get_camera | nice grep -c detected=1`
+
+TTY=`tty`
+
+if [ "$CAM" == "0" ]; then
+    # if local TTY, set font according to display resolution
+    if [ "$TTY" = "/dev/tty1" ] || [ "$TTY" = "/dev/tty2" ] || [ "$TTY" = "/dev/tty3" ] || [ "$TTY" = "/dev/tty4" ] || [ "$TTY" = "/dev/tty5" ] || [ "$TTY" = "/dev/tty6" ] || [ "$TTY" = "/dev/tty7" ] || [ "$TTY" = "/dev/tty8" ] || [ "$TTY" = "/dev/tty9" ] || [ "$TTY" = "/dev/tty10" ] || [ "$TTY" = "/dev/tty11" ] || [ "$TTY" = "/dev/tty12" ]; then
+	H_RES=`tvservice -s | cut -f 2 -d "," | cut -f 2 -d " " | cut -f 1 -d "x"`
+	if [ "$H_RES" -ge "1680" ]; then
+    	    setfont /usr/share/consolefonts/Lat15-TerminusBold24x12.psf.gz
+	else
+	    if [ "$H_RES" -ge "1280" ]; then
+    		setfont /usr/share/consolefonts/Lat15-TerminusBold20x10.psf.gz
+	    else
+    		if [ "$H_RES" -ge "800" ]; then
+    		    setfont /usr/share/consolefonts/Lat15-TerminusBold14.psf.gz
+    		fi
+	    fi
+	fi
+    fi
+fi
+
+# if running bash
+if [ -n "$BASH_VERSION" ]; then
+    # include .bashrc if it exists
+    if [ -f "$HOME/.bashrc" ]; then
+	. "$HOME/.bashrc"
+    fi
+fi
+
+function tmessage {
+    if [ "$QUIET" == "N" ]; then
+	echo $1 "$2"
+    fi
+}
+
+
+function collect_debug {
+    sleep 3
+    echo
+    if nice dmesg | nice grep -q over-current; then
+        echo "ERROR: Over-current detected - potential power supply problems!"
+    fi
+
+    # check for USB disconnects (due to power-supply problems)
+    if nice dmesg | nice grep -q disconnect; then
+        echo "ERROR: USB disconnect detected - potential power supply problems!"
+    fi
+
+    if nice vcgencmd get_throttled | nice nice grep -q -v "0x0"; then
+	echo "ERROR: Over-temperature or unstable power supply!"
+    fi
+
+    nice mount -o remount,rw /boot
+    mv /boot/errorlog.txt /boot/errorlog-old.txt > /dev/null 2>&1
+    mv /boot/errorlog.png /boot/errorlog-old.png > /dev/null 2>&1
+    echo -n "Camera: "
+    nice /usr/bin/vcgencmd get_camera
+    uptime >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo -n "Camera: " >>/boot/errorlog.txt
+    nice /usr/bin/vcgencmd get_camera >>/boot/errorlog.txt
+    echo
+    nice dmesg | nice grep disconnect
+    nice dmesg | nice grep over-current
+    nice dmesg | nice grep disconnect >>/boot/errorlog.txt
+    nice dmesg | nice grep over-current >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo
+
+    NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb`
+
+    for NIC in $NICS
+    do
+	iwconfig $NIC | grep $NIC
+    done
+    echo
+    lsusb
+
+    nice iwconfig >>/boot/errorlog.txt > /dev/null 2>&1
+    echo >>/boot/errorlog.txt
+    nice ifconfig >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice iw reg get >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice iw list >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+
+    nice ps ax >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice df -h >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice mount >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice fdisk -l /dev/mmcblk0 >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice lsmod >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice lsusb >>/boot/errorlog.txt
+    echo
+    nice lsusb -v >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo
+    nice ls -la /dev >>/boot/errorlog.txt
+    echo
+    nice vcgencmd measure_volts
+    nice vcgencmd measure_temp
+    nice vcgencmd get_throttled
+    echo >>/boot/errorlog.txt
+    nice vcgencmd measure_temp >>/boot/errorlog.txt
+    nice vcgencmd get_throttled >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    nice vcgencmd get_config int >>/boot/errorlog.txt
+
+    nice /root/wifibroadcast_misc/raspi2png -p /boot/errorlog.png
+    echo >>/boot/errorlog.txt
+    nice dmesg >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+
+    nice cat /etc/modprobe.d/rt2800usb.conf >> /boot/errorlog.txt
+    nice cat /etc/modprobe.d/ath9k_htc.conf >> /boot/errorlog.txt
+
+    echo >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    nice cat /boot/wifibroadcast-1.txt | egrep -v "^(#|$)" >> /boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    nice cat /boot/osdconfig.txt | egrep -v "^(//|$)" >> /boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    nice cat /boot/joyconfig.txt | egrep -v "^(//|$)" >> /boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    echo >>/boot/errorlog.txt
+    nice cat /boot/apconfig.txt | egrep -v "^(#|$)" >> /boot/errorlog.txt
+
+    sync
+    nice mount -o remount,ro /boot
+}
+
+function collect_debug2 {
+    sleep 20
+
+    uptime >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    echo -n "Camera: " >>/wbc_tmp/debug.txt
+    nice /usr/bin/vcgencmd get_camera >>/wbc_tmp/debug.txt
+    nice dmesg | nice grep disconnect >>/wbc_tmp/debug.txt
+    nice dmesg | nice grep over-current >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice tvservice -s >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice tvservice -m CEA >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice tvservice -m DMT >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice iwconfig >>/wbc_tmp/debug.txt > /dev/null 2>&1
+    echo >>/wbc_tmp/debug.txt
+    nice ifconfig >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice iw reg get >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice iw list >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice ps ax >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice df -h >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice mount >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice fdisk -l /dev/mmcblk0 >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice lsmod >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice lsusb >>/wbc_tmp/debug.txt
+    nice lsusb -v >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice ls -la /dev >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice vcgencmd measure_temp >>/wbc_tmp/debug.txt
+    nice vcgencmd get_throttled >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice vcgencmd get_config int >>/wbc_tmp/debug.txt
+
+    echo >>/wbc_tmp/debug.txt
+    nice dmesg >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+
+    nice cat /etc/modprobe.d/rt2800usb.conf >> /wbc_tmp/debug.txt
+    nice cat /etc/modprobe.d/ath9k_htc.conf >> /wbc_tmp/debug.txt
+
+    echo >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice cat /boot/wifibroadcast-1.txt | egrep -v "^(#|$)" >> /wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice cat /boot/osdconfig.txt | egrep -v "^(//|$)" >> /wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice cat /boot/joyconfig.txt | egrep -v "^(//|$)" >> /wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    echo >>/wbc_tmp/debug.txt
+    nice cat /boot/apconfig.txt | egrep -v "^(#|$)" >> /wbc_tmp/debug.txt
+}
+
+
+function prepare_nic {
+    DRIVER=`cat /sys/class/net/$1/device/uevent | nice grep DRIVER | sed 's/DRIVER=//'`
+    tmessage -n "Setting up $1: "
+    if [ "$DRIVER" == "ath9k_htc" ]; then # set bitrates for Atheros via iw
+	ifconfig $1 up || {
+	    echo
+	    echo "ERROR: Bringing up interface $1 failed!"
+	    collect_debug
+	    sleep 365d
+	}
+	sleep 0.2
+
+	tmessage -n "bitrate "
+	if [ "$CAM" == "0" ]; then # we are RX, set bitrate to uplink bitrate
+	    tmessage -n "$UPLINK_WIFI_BITRATE Mbit "
+	    if [ "$UPLINK_WIFI_BITRATE" != "19.5" ]; then # only set bitrate if something else than 19.5 is requested (19.5 is default compiled in ath9k_htc firmware)
+		iw dev $1 set bitrates legacy-2.4 $UPLINK_WIFI_BITRATE || {
+		    echo
+		    echo "ERROR: Setting bitrate on $1 failed!"
+		    collect_debug
+		    sleep 365d
+		}
+	    fi
+	else # we are TX, set bitrate to downstream bitrate
+	    if [ "$VIDEO_WIFI_BITRATE" != "19.5" ]; then # only set bitrate if something else than 19.5 is requested (19.5 is default compiled in ath9k_htc firmware)
+		tmessage -n "$VIDEO_WIFI_BITRATE Mbit "
+		iw dev $1 set bitrates legacy-2.4 $VIDEO_WIFI_BITRATE || {
+		    echo
+		    echo "ERROR: Setting bitrate on $1 failed!"
+		    collect_debug
+		    sleep 365d
+		}
+	    else
+		tmessage -n "$VIDEO_WIFI_BITRATE Mbit "
+	    fi
+	fi
+	sleep 0.2
+	tmessage -n "done. "
+
+	ifconfig $1 down || {
+	    echo
+	    echo "ERROR: Bringing down interface $1 failed!"
+	    collect_debug
+	    sleep 365d
+	}
+	sleep 0.2
+
+	tmessage -n "monitor mode.. "
+	iw dev $1 set monitor none || {
+	    echo
+	    echo "ERROR: Setting monitor mode on $1 failed!"
+	    collect_debug
+	    sleep 365d
+	}
+	sleep 0.2
+	tmessage -n "done. "
+
+	ifconfig $1 up || {
+	    echo
+	    echo "ERROR: Bringing up interface $1 failed!"
+	    collect_debug
+	    sleep 365d
+	}
+	sleep 0.2
+
+	if [ "$2" != "0" ]; then
+	    tmessage -n "frequency $2 MHz.. "
+	    iw dev $1 set freq $2 || {
+		echo
+		echo "ERROR: Setting frequency $2 MHz on $1 failed!"
+		collect_debug
+		sleep 365d
+	    }
+	    tmessage "done!"
+	else
+	    echo
+	fi
+
+    fi
+
+    if [ "$DRIVER" == "rt2800usb" ] || [ "$DRIVER" == "rtl8192cu" ] || [ "$DRIVER" == "8812au" ]; then # do not set bitrate for Ralink or Realtek, done through tx parameter
+
+	tmessage -n "monitor mode.. "
+	iw dev $1 set monitor none || {
+	    echo
+	    echo "ERROR: Setting monitor mode on $1 failed!"
+	    collect_debug
+	    sleep 365d
+	}
+	sleep 0.2
+	tmessage -n "done. "
+
+	#tmessage -n "bringing up.. "
+	ifconfig $1 up || {
+	    echo
+	    echo "ERROR: Bringing up interface $1 failed!"
+	    collect_debug
+	    sleep 365d
+	}
+	sleep 0.2
+	#tmessage -n "done. "
+
+	if [ "$2" != "0" ]; then
+	    tmessage -n "frequency $2 MHz.. "
+	    iw dev $1 set freq $2 || {
+		echo
+		echo "ERROR: Setting frequency $2 MHz on $1 failed!"
+		collect_debug
+		sleep 365d
+	    }
+	    tmessage "done!"
+	else
+	    echo
+	fi
+
+    fi
+
+}
+
+
+function detect_nics {
+	tmessage "Setting up wifi cards ... "
+	echo
+
+	# set reg domain to DE to allow channel 12 and 13 for hotspot
+	iw reg set DE
+
+	NUM_CARDS=-1
+	NICSWL=`ls /sys/class/net | nice grep wlan`
+
+	for NIC in $NICSWL
+	do
+	    # set MTU to 2304
+	    ifconfig $NIC mtu 2304
+	    # re-name wifi interface to MAC address
+	    NAME=`cat /sys/class/net/$NIC/address`
+	    ip link set $NIC name ${NAME//:}
+	    let "NUM_CARDS++"
+	    #sleep 0.1
+	done
+
+	if [ "$NUM_CARDS" == "-1" ]; then
+	    echo "ERROR: No wifi cards detected"
+	    collect_debug
+	    sleep 365d
+	fi
+
+        if [ "$CAM" == "0" ]; then # only do relay/hotspot stuff if RX
+	    # get wifi hotspot card out of the way
+	    if [ "$WIFI_HOTSPOT" == "Y" ]; then
+		if [ "$WIFI_HOTSPOT_NIC" != "internal" ]; then
+		    # only configure it if it's there
+		    if ls /sys/class/net/ | grep -q $WIFI_HOTSPOT_NIC; then
+			tmessage -n "Setting up $WIFI_HOTSPOT_NIC for Wifi Hotspot operation.."
+			ip link set $WIFI_HOTSPOT_NIC name wifihotspot0
+			ifconfig wifihotspot0 192.168.2.1 up
+			tmessage "done!"
+			let "NUM_CARDS--"
+		    else
+			tmessage "Wifi Hotspot card $WIFI_HOTSPOT_NIC not found!"
+			sleep 0.5
+		    fi
+		else
+		    # only configure it if it's there
+		    if ls /sys/class/net/ | grep -q intwifi0; then
+			tmessage -n "Setting up intwifi0 for Wifi Hotspot operation.."
+			ip link set intwifi0 name wifihotspot0
+			ifconfig wifihotspot0 192.168.2.1 up
+			tmessage "done!"
+		    else
+			tmessage "Pi3 Onboard Wifi Hotspot card not found!"
+			sleep 0.5
+		    fi
+		fi
+	    fi
+	    # get relay card out of the way
+	    if [ "$RELAY" == "Y" ]; then
+		# only configure it if it's there
+		if ls /sys/class/net/ | grep -q $RELAY_NIC; then
+		    ip link set $RELAY_NIC name relay0
+		    prepare_nic relay0 $RELAY_FREQ
+		    let "NUM_CARDS--"
+		else
+		    tmessage "Relay card $RELAY_NIC not found!"
+		    sleep 0.5
+		fi
+	    fi
+
+	fi
+
+        NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v relay | nice grep -v wifihotspot`
+#	echo "NICS: $NICS"
+
+	if [ "$TXMODE" != "single" ]; then
+	    for i in $(eval echo {0..$NUM_CARDS})
+	    do
+	        if [ "$CAM" == "0" ]; then
+		    prepare_nic ${MAC_RX[$i]} ${FREQ_RX[$i]}
+	        else
+		    prepare_nic ${MAC_TX[$i]} ${FREQ_TX[$i]}
+    		fi
+		sleep 0.1
+	    done
+	else
+	    # check if auto scan is enabled, if yes, set freq to 0 to let prepare_nic know not to set channel
+	    if [ "$FREQSCAN" == "Y" ] && [ "$CAM" == "0" ]; then
+		for NIC in $NICS
+		do
+		    prepare_nic $NIC 2484
+		    sleep 0.1
+		done
+		# make sure check_alive function doesnt restart hello_video while we are still scanning for channel
+		touch /tmp/pausewhile
+		/root/wifibroadcast/rx -p 0 -d 1 -b $VIDEO_BLOCKS -r $VIDEO_FECS -f $VIDEOBLOCKLENGTH $NICS >/dev/null &
+		sleep 0.5
+		echo
+		echo -n "Please wait, scanning for TX ..."
+		FREQ=0
+
+		if iw list | nice grep -q 5180; then # cards support 5G and 2.4G
+		    FREQCMD="/root/wifibroadcast/channelscan 245 $NICS"
+		else
+		    if iw list | nice grep -q 2312; then # cards support 2.3G and 2.4G
+		        FREQCMD="/root/wifibroadcast/channelscan 2324 $NICS"
+		    else # cards support only 2.4G
+		        FREQCMD="/root/wifibroadcast/channelscan 24 $NICS"
+		    fi
+		fi
+
+		while [ $FREQ -eq 0 ]; do
+			FREQ=`$FREQCMD`
+		done
+
+		echo "found on $FREQ MHz"
+		echo
+		ps -ef | nice grep "rx -p 0" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+		for NIC in $NICS
+		do
+		    echo -n "Setting frequency on $NIC to $FREQ MHz.. "
+		    iw dev $NIC set freq $FREQ
+		    echo "done."
+		    sleep 0.1
+		done
+		# all done
+		rm /tmp/pausewhile
+	    else
+		for NIC in $NICS
+		do
+		    prepare_nic $NIC $FREQ
+		    sleep 0.1
+		done
+	    fi
+	fi
+}
+
+
+function check_health_function {
+	# not used, somehow calling vgencmd seems to cause badblocks
+	# check if over-temperature or under-voltage occured
+	if nice vcgencmd get_throttled | nice nice grep -q -v "0x0"; then
+	    TEMP=`nice vcgencmd measure_temp | cut -f 2 -d "="`
+	    echo "ERROR: Over-Temperature or unstable power supply! Current temp:$TEMP"
+	    collect_debug
+	    ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	    ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	    while true; do
+		killall wbc_status > /dev/null 2>&1
+		nice /root/wifibroadcast_status/wbc_status "ERROR: Undervoltage or Overtemp, current temp: $TEMP" 7 55 0
+		sleep 6
+	    done
+	fi
+}
+
+
+function check_alive_function {
+    # function to check if packets coming in, if not, re-start hello_video to clear frozen display
+    while true; do
+	# pause while saving is in progress
+	pause_while
+	ALIVE=`nice /root/wifibroadcast/check_alive`
+	if [ $ALIVE == "0" ]; then
+	    echo "no new packets, restarting hello_video and sleeping for 5s ..."
+	    ps -ef | nice grep "cat /root/videofifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	    ps -ef | nice grep "$DISPLAY_PROGRAM" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	    ionice -c 1 -n 4 nice -n -10 cat /root/videofifo1 | ionice -c 1 -n 4 nice -n -10 $DISPLAY_PROGRAM > /dev/null 2>&1 &
+	    sleep 5
+	else
+	    echo "received packets, doing nothing ..."
+	fi
+    done
+}
+
+
+function check_exitstatus {
+    STATUS=$1
+    case $STATUS in
+    9)
+	# rx returned with exit code 9 = the interface went down
+	# wifi card must've been removed during running
+	# check if wifi card is really gone
+	NICS2=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v relay | nice grep -v wifihotspot`
+	if [ "$NICS" == "$NICS2" ]; then
+	    # wifi card has not been removed, something else must've gone wrong
+	    echo "ERROR: RX stopped, wifi card _not_ removed!             "
+	else
+	    # wifi card has been removed
+	    echo "ERROR: Wifi card removed!                               "
+	fi
+    ;;
+    2)
+	# something else that is fatal happened during running
+	echo "ERROR: RX chain stopped wifi card _not_ removed!             "
+    ;;
+    1)
+	# something that is fatal went wrong at rx startup
+	echo "ERROR: could not start RX                           "
+	#echo "ERROR: could not start RX                           "
+    ;;
+    *)
+	if [  $RX_EXITSTATUS -lt 128 ]; then
+	    # whatever it was ...
+	    echo "RX exited with status: $RX_EXITSTATUS                        "
+	fi
+    esac
+}
+
+
+function tx_function {
+    killall wbc_status > /dev/null 2>&1
+
+    if [ "$TXMODE" == "single" ]; then
+	echo -n "Waiting for wifi card to become ready ..."
+	COUNTER=0
+	# loop until card is initialized
+	while [ $COUNTER -lt 10 ]; do
+    	    sleep 0.5
+    	    echo -n "."
+	    let "COUNTER++"
+    	    if [ -d "/sys/class/net/wlan0" ]; then
+		echo -n "card ready"
+		break
+    	    fi
+	done
+    else
+	# just wait some time
+	echo -n "Waiting for wifi cards to become ready ..."
+	sleep 3
+    fi
+
+    echo
+    echo
+    detect_nics
+
+    sleep 1
+    echo
+
+    if [ -e "$FC_TELEMETRY_SERIALPORT" ]; then
+	echo "Configured serial port $FC_TELEMETRY_SERIALPORT found ..."
+    else
+	echo "ERROR: $FC_TELEMETRY_SERIALPORT not found!"
+	collect_debug
+	sleep 365d
+    fi
+    echo
+
+    RALINK=0
+
+    if [ "$TXMODE" == "single" ]; then
+	DRIVER=`cat /sys/class/net/$NICS/device/uevent | nice grep DRIVER | sed 's/DRIVER=//'`
+	if [ "$DRIVER" != "ath9k_htc" ]; then # in single mode and ralink cards always, use frametype 1 (data)
+    	    VIDEO_FRAMETYPE=0
+	    RALINK=1
+	fi
+    else # for txmode dual always use frametype 1
+	VIDEO_FRAMETYPE=1
+	RALINK=1
+    fi
+
+    echo "Wifi bitrate: $VIDEO_WIFI_BITRATE, Video frametype: $VIDEO_FRAMETYPE"
+
+    if [ "$VIDEO_WIFI_BITRATE" == "19.5" ]; then # set back to 18 to make sure -d parameter works (supports only 802.11b/g datarates)
+	VIDEO_WIFI_BITRATE=18
+    fi
+    if [ "$VIDEO_WIFI_BITRATE" == "5.5" ]; then # set back to 6 to make sure -d parameter works (supports only 802.11b/g datarates)
+	VIDEO_WIFI_BITRATE=5
+    fi
+
+    DRIVER=`cat /sys/class/net/$NICS/device/uevent | nice grep DRIVER | sed 's/DRIVER=//'`
+    if [ "$CTS_PROTECTION" == "auto" ] && [ "$DRIVER" == "ath9k_htc" ]; then # only use CTS protection with Atheros
+    	echo -n "Checking for other wifi traffic ... "
+	WIFIPPS=`/root/wifibroadcast/wifiscan $NICS`
+	echo -n "$WIFIPPS PPS: "
+	if [ "$WIFIPPS" != "0" ]; then # wifi networks detected, enable CTS
+	    echo "Wifi traffic detected, CTS enabled"
+	    VIDEO_FRAMETYPE=1
+	    TELEMETRY_CTS=1
+	    CTS=Y
+	else
+	    echo "No wifi traffic detected, CTS disabled"
+	    CTS=N
+	fi
+    else
+	if [ "$CTS_PROTECTION" == "N" ]; then
+	    echo "CTS Protection disabled in config"
+	    CTS=N
+	else
+	    if [ "$DRIVER" == "ath9k_htc" ]; then
+		echo "CTS Protection enabled in config"
+		CTS=Y
+	    else
+		echo "CTS Protection not supported!"
+		CTS=N
+	    fi
+	fi
+    fi
+
+    if [ "$VIDEO_BITRATE" == "auto" ]; then
+	echo -n "Measuring max. available bitrate .. "
+	BITRATE_MEASURED=`/root/wifibroadcast/tx_measure -p 77 -b $VIDEO_BLOCKS -r $VIDEO_FECS -f $VIDEO_BLOCKLENGTH -t $VIDEO_FRAMETYPE -d $VIDEO_WIFI_BITRATE -y 0 $NICS`
+	BITRATE=$((BITRATE_MEASURED*$BITRATE_PERCENT/100))
+	BITRATE_KBIT=$((BITRATE/1000))
+	BITRATE_MEASURED_KBIT=$((BITRATE_MEASURED/1000))
+	echo "$BITRATE_MEASURED_KBIT kBit/s * $BITRATE_PERCENT% = $BITRATE_KBIT kBit/s video bitrate"
+	#sleep 0.5
+    else
+	echo "Using fixed bitrate: $VIDEO_BITRATE"
+	BITRATE=$VIDEO_BITRATE
+    fi
+
+    # check if over-temperature or under-voltage occured
+    if vcgencmd get_throttled | nice grep -q -v "0x0"; then
+        TEMP=`nice vcgencmd measure_temp | cut -f 2 -d "="`
+        echo "ERROR: Over-Temperature or unstable power supply! Temp:$TEMP"
+        collect_debug
+	nice -n -9 raspivid -w $WIDTH -h $HEIGHT -fps $FPS -b 3000000 -g $KEYFRAMERATE -t 0 $EXTRAPARAMS -ae 40,0x00,0x8080FF -a "\n\nunder-voltage or over-temperature on TX!" -o - | nice -n -9 /root/wifibroadcast/tx_rawsock -p 0 -b $VIDEO_BLOCKS -r $VIDEO_FECS -f $VIDEO_BLOCKLENGTH -t $VIDEO_FRAMETYPE -d $VIDEO_WIFI_BITRATE -y 0 $NICS
+	sleep 365d
+    fi
+
+    # check for potential power-supply problems
+    if nice dmesg | nice grep -q over-current; then
+        echo "ERROR: Over-current detected - potential power supply problems!"
+        collect_debug
+    sleep 365d
+    fi
+
+    # check for USB disconnects (due to power-supply problems)
+    if nice dmesg | nice grep -q disconnect; then
+        echo "ERROR: USB disconnect detected - potential power supply problems!"
+        collect_debug
+    sleep 365d
+    fi
+
+    #### temporary
+    #VIDEO_FRAMETYPE=0
+
+    if [ "$CTS" == "N" ]; then
+	ANNOTATION="                                               $BITRATE_KBIT ($BITRATE_MEASURED_KBIT) kBit"
+    else
+	ANNOTATION="                                               $BITRATE_KBIT ($BITRATE_MEASURED_KBIT) kBit -CTS-"
+    fi
+
+    echo
+    echo "Starting transmission in $TXMODE mode, FEC $VIDEO_BLOCKS/$VIDEO_FECS/$VIDEO_BLOCKLENGTH: $WIDTH x $HEIGHT $FPS fps, video bitrate: $BITRATE_KBIT kBit/s, Keyframerate: $KEYFRAMERATE"
+    nice -n -9 raspivid -w $WIDTH -h $HEIGHT -fps $FPS -b $BITRATE -g $KEYFRAMERATE -t 0 $EXTRAPARAMS -a "$ANNOTATION" -ae 22 -o - | nice -n -9 /root/wifibroadcast/tx_rawsock -p 0 -b $VIDEO_BLOCKS -r $VIDEO_FECS -f $VIDEO_BLOCKLENGTH -t $VIDEO_FRAMETYPE -d $VIDEO_WIFI_BITRATE -y 0 $NICS
+
+#    v4l2-ctl -d /dev/video0 --set-fmt-video=width=1280,height=720,pixelformat='H264' -p 48 --set-ctrl video_bitrate=7000000,repeat_sequence_header=1,h264_i_frame_period=7,white_balance_auto_preset=5
+#    nice -n -9 cat /dev/video0 | /root/wifibroadcast/tx_rawsock -p 0 -b $VIDEO_BLOCKS -r $VIDEO_FECS -f $VIDEO_BLOCKLENGTH -t $VIDEO_FRAMETYPE -d $VIDEO_WIFI_BITRATE -y 0 $NICS
+
+    TX_EXITSTATUS=${PIPESTATUS[1]}
+    # if we arrive here, either raspivid or tx did not start, or were terminated later
+    # check if NIC has been removed
+    NICS2=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v relay | nice grep -v wifihotspot`
+    if [ "$NICS" == "$NICS2" ]; then
+    	# wifi card has not been removed
+	if [ "$TX_EXITSTATUS" != "0" ]; then
+	    echo "ERROR: could not start tx or tx terminated!"
+	fi
+	collect_debug
+	sleep 365d
+    else
+        # wifi card has been removed
+        echo "ERROR: Wifi card removed!"
+	collect_debug
+	sleep 365d
+    fi
+}
+
+
+
+function rx_function {
+    # start virtual serial port for cmavnode and ser2net
+    ionice -c 3 nice socat -lf /wbc_tmp/socat1.log -d -d pty,raw,echo=0 pty,raw,echo=0 & > /dev/null 2>&1
+    sleep 1
+    ionice -c 3 nice socat -lf /wbc_tmp/socat2.log -d -d pty,raw,echo=0 pty,raw,echo=0 & > /dev/null 2>&1
+    sleep 1
+    # setup virtual serial ports
+    stty -F /dev/pts/0 -icrnl -ocrnl -imaxbel -opost -isig -icanon -echo -echoe -ixoff -ixon 57600
+    stty -F /dev/pts/1 -icrnl -ocrnl -imaxbel -opost -isig -icanon -echo -echoe -ixoff -ixon 115200
+
+    echo
+
+    # if USB memory stick is already connected during startup, notify user
+    # and pause as long as stick is not removed
+    # some sticks show up as sda1, others as sda, check for both
+    if [ -e "/dev/sda1" ]; then
+	STARTUSBDEV="/dev/sda1"
+    else
+	STARTUSBDEV="/dev/sda"
+    fi
+
+    if [ -e $STARTUSBDEV ]; then
+        touch /tmp/donotsave
+        STICKGONE=0
+	while [ $STICKGONE -ne 1 ]; do
+	    killall wbc_status > /dev/null 2>&1
+	    nice /root/wifibroadcast_status/wbc_status "USB memory stick detected - please remove and re-plug after flight" 7 65 0 &
+	    sleep 4
+	    if [ ! -e $STARTUSBDEV ]; then
+		STICKGONE=1
+		rm /tmp/donotsave
+	    fi
+	done
+    fi
+
+    killall wbc_status > /dev/null 2>&1
+
+    sleep 1
+    detect_nics
+    echo
+
+    sleep 0.5
+
+    # videofifo1: local display, hello_video.bin
+    # videofifo2: secondary display, hotspot/usb-tethering
+    # videofifo3: recording
+    # videofifo4: wbc relay
+
+    if [ "$VIDEO_TMP" == "sdcard" ]; then
+	tmessage "Saving to SDCARD enabled, preparing video storage ..."
+	if cat /proc/partitions | nice grep -q mmcblk0p3; then # partition has not been created yet
+	    echo
+	else
+	    echo
+	    echo -e "n\np\n3\n3674112\n\nw" | fdisk /dev/mmcblk0 > /dev/null 2>&1
+	    partprobe > /dev/null 2>&1
+	    mkfs.ext4 /dev/mmcblk0p3 -F > /dev/null 2>&1 || {
+		tmessage "ERROR: Could not format video storage on SDCARD!"
+		collect_debug
+		sleep 365d
+	    }
+	fi
+	e2fsck -p /dev/mmcblk0p3 > /dev/null 2>&1
+	mount -t ext4 -o noatime /dev/mmcblk0p3 /video_tmp > /dev/null 2>&1 || {
+	    tmessage "ERROR: Could not mount video storage on SDCARD!"
+	    collect_debug
+	    sleep 365d
+	}
+	VIDEOFILE=/video_tmp/videotmp.raw
+	echo "VIDEOFILE=/video_tmp/videotmp.raw" > /tmp/videofile
+	rm $VIDEOFILE > /dev/null 2>&1
+    else
+	VIDEOFILE=/wbc_tmp/videotmp.raw
+	echo "VIDEOFILE=/wbc_tmp/videotmp.raw" > /tmp/videofile
+    fi
+
+    #/root/wifibroadcast/tracker /wifibroadcast_rx_status_0 >> /wbc_tmp/tracker.txt &
+    #sleep 1
+
+    killall wbc_status > /dev/null 2>&1
+
+
+    collect_debug2 &
+
+    while true; do
+	ionice -c 1 -n 4 nice -n -10 cat /root/videofifo1 | ionice -c 1 -n 4 nice -n -10 $DISPLAY_PROGRAM > /dev/null 2>&1 &
+	ionice -c 3 nice cat /root/videofifo3 >> $VIDEOFILE &
+
+	if [ "$RELAY" == "Y" ]; then
+	    ionice -c 1 -n 4 nice -n -10 cat /root/videofifo4 | /root/wifibroadcast/tx_rawsock -p 0 -b $RELAY_VIDEO_BLOCKS -r $RELAY_VIDEO_FECS -f $RELAY_VIDEO_BLOCKLENGTH -t $VIDEO_FRAMETYPE -d 24 -y 0 relay0 > /dev/null 2>&1 &
+	fi
+
+	# update NICS variable in case a NIC has been removed (exclude devices with wlanx)
+	NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v wlan | nice grep -v relay | nice grep -v wifihotspot`
+
+
+	tmessage "Starting RX ... (FEC: $VIDEO_BLOCKS/$VIDEO_FECS/$VIDEO_BLOCKLENGTH)"
+	ionice -c 1 -n 3 /root/wifibroadcast/rx -p 0 -d 1 -b $VIDEO_BLOCKS -r $VIDEO_FECS -f $VIDEO_BLOCKLENGTH $NICS | ionice -c 1 -n 4 nice -n -10 tee >(ionice -c 1 -n 4 nice -n -10 /root/wifibroadcast_misc/ftee /root/videofifo2 > /dev/null 2>&1) >(ionice -c 1 nice -n -10 /root/wifibroadcast_misc/ftee /root/videofifo4 > /dev/null 2>&1) >(ionice -c 3 nice /root/wifibroadcast_misc/ftee /root/videofifo3 > /dev/null 2>&1) | ionice -c 1 -n 4 nice -n -10 /root/wifibroadcast_misc/ftee /root/videofifo1 > /dev/null 2>&1
+	RX_EXITSTATUS=${PIPESTATUS[0]}
+	check_exitstatus $RX_EXITSTATUS
+	ps -ef | nice grep "$DISPLAY_PROGRAM" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "rx -p 0" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "ftee /root/videofifo" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "cat /root/videofifo" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    done
+}
+
+
+function rssirx_function {
+    echo
+    echo -n "Waiting until video is running ..."
+    VIDEORXRUNNING=0
+    while [ $VIDEORXRUNNING -ne 1 ]; do
+	sleep 0.5
+	VIDEORXRUNNING=`pidof $DISPLAY_PROGRAM | wc -w`
+	echo -n "."
+    done
+    echo
+    echo "Video running ..."
+    echo
+    # get NICS (exclude devices with wlanx)
+    NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v wlan | nice grep -v relay | nice grep -v wifihotspot`
+    echo "Starting RSSI RX ..."
+    nice /root/wifibroadcast/rssirx $NICS
+}
+
+
+## runs on RX (ground pi)
+function osdrx_function {
+    echo
+    # Convert osdconfig from DOS format to UNIX format
+    ionice -c 3 nice dos2unix -n /boot/osdconfig.txt /tmp/osdconfig.txt
+    echo
+    cd /root/wifibroadcast_osd
+    echo Building OSD:
+    ionice -c 3 nice make -j2 || {
+        echo
+        echo "ERROR: Could not build OSD, check osdconfig.txt!"
+    }
+    echo
+
+    while true; do
+	killall wbc_status > /dev/null 2>&1
+
+	echo -n "Waiting until video is running ..."
+	VIDEORXRUNNING=0
+	while [ $VIDEORXRUNNING -ne 1 ]; do
+	    sleep 0.5
+	    VIDEORXRUNNING=`pidof $DISPLAY_PROGRAM | wc -w`
+	    echo -n "."
+	done
+	echo
+	echo "Video running, starting OSD processes ..."
+
+	if [ "$TELEMETRY_TRANSMISSION" == "wbc" ]; then
+	    echo "Telemetry transmission WBC chosen, using wbc rx"
+	    TELEMETRY_RX_CMD="/root/wifibroadcast/rx_rc_telemetry_buf -p 1 -o 1 -r 99"
+	else
+	    echo "Telemetry transmission external chosen, using cat from serialport"
+	    nice stty -F $EXTERNAL_TELEMETRY_SERIALPORT_GROUND $EXTERNAL_TELEMETRY_SERIALPORT_GROUND_STTY_OPTIONS $EXTERNAL_TELEMETRY_SERIALPORT_GROUND_BAUDRATE
+	    #nice /root/wifibroadcast/setupuart -d 0 -s $EXTERNAL_TELEMETRY_SERIALPORT_GROUND -b $EXTERNAL_TELEMETRY_SERIALPORT_GROUND_BAUDRATE
+	    TELEMETRY_RX_CMD="cat $EXTERNAL_TELEMETRY_SERIALPORT_GROUND"
+	fi
+
+	if [ "$ENABLE_SERIAL_TELEMETRY_OUTPUT" == "Y" ]; then
+	    echo "enable_serial_telemetry_output is Y, sending telemetry stream to $TELEMETRY_OUTPUT_SERIALPORT_GROUND"
+	    nice stty -F $TELEMETRY_OUTPUT_SERIALPORT_GROUND $TELEMETRY_OUTPUT_SERIALPORT_GROUND_STTY_OPTIONS $TELEMETRY_OUTPUT_SERIALPORT_GROUND_BAUDRATE
+	    #nice /root/wifibroadcast/setupuart -d 1 -s $TELEMETRY_OUTPUT_SERIALPORT_GROUND -b $TELEMETRY_OUTPUT_SERIALPORT_GROUND_BAUDRATE
+	    nice cat /root/telemetryfifo6 > $TELEMETRY_OUTPUT_SERIALPORT_GROUND &
+	fi
+
+	# telemetryfifo1: local display, osd
+	# telemetryfifo2: secondary display, hotspot/usb-tethering
+	# telemetryfifo3: recording
+	# telemetryfifo4: wbc relay
+	# telemetryfifo5: mavproxy downlink
+	# telemetryfifo6: serial downlink
+
+	ionice -c 3 nice cat /root/telemetryfifo3 >> /wbc_tmp/telemetrydowntmp.raw &
+	ionice -c 3 nice cat /root/telemetryfifo1 | nice /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+
+	if [ "$RELAY" == "Y" ]; then
+	    ionice -c 1 -n 4 nice -n -9 cat /root/telemetryfifo4 | nice /root/wifibroadcast/tx_telemetry -p 1 -c $TELEMETRY_CTS -r 2 -x $TELEMETRY_TYPE -d 12 -y 0 relay0 > /dev/null 2>&1 &
+	fi
+
+	# update NICS variable in case a NIC has been removed (exclude devices with wlanx)
+	NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v wlan | nice grep -v relay | nice grep -v wifihotspot`
+
+	if [ "$TELEMETRY_TRANSMISSION" == "wbc" ]; then
+	    $TELEMETRY_RX_CMD $NICS | tee >(/root/wifibroadcast_misc/ftee /root/telemetryfifo2 > /dev/null 2>&1) >(/root/wifibroadcast_misc/ftee /root/telemetryfifo3 > /dev/null 2>&1) >(ionice -c 1 nice -n -9 /root/wifibroadcast_misc/ftee /root/telemetryfifo4 > /dev/null 2>&1) >(ionice nice /root/wifibroadcast_misc/ftee /root/telemetryfifo5 > /dev/null 2>&1) >(ionice nice /root/wifibroadcast_misc/ftee /root/telemetryfifo6 > /dev/null 2>&1) | /root/wifibroadcast_misc/ftee /root/telemetryfifo1 > /dev/null 2>&1
+	else
+	    $TELEMETRY_RX_CMD | tee >(/root/wifibroadcast_misc/ftee /root/telemetryfifo2 > /dev/null 2>&1) >(/root/wifibroadcast_misc/ftee /root/telemetryfifo3 > /dev/null 2>&1) >(ionice -c 1 nice -n -9 /root/wifibroadcast_misc/ftee /root/telemetryfifo4 > /dev/null 2>&1) >(ionice nice /root/wifibroadcast_misc/ftee /root/telemetryfifo5 > /dev/null 2>&1) >(ionice nice /root/wifibroadcast_misc/ftee /root/telemetryfifo6 > /dev/null 2>&1) | /root/wifibroadcast_misc/ftee /root/telemetryfifo1 > /dev/null 2>&1
+	fi
+	echo "ERROR: Telemetry RX has been stopped - restarting RX and OSD ..."
+	ps -ef | nice grep "rx -p 1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "ftee /root/telemetryfifo" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "/tmp/osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "cat /root/telemetryfifo3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	sleep 1
+    done
+}
+
+## runs on TX (air pi)
+function osdtx_function {
+    # setup serial port
+    stty -F $FC_TELEMETRY_SERIALPORT $FC_TELEMETRY_STTY_OPTIONS $FC_TELEMETRY_BAUDRATE
+    #nice /root/wifibroadcast/setupuart -d 0 -s $FC_TELEMETRY_SERIALPORT -b $FC_TELEMETRY_BAUDRATE
+
+    # wait until tx is running to make sure NICS are configured
+    echo
+    echo -n "Waiting until video TX is running ..."
+    VIDEOTXRUNNING=0
+    while [ $VIDEOTXRUNNING -ne 1 ]; do
+	sleep 0.5
+	VIDEOTXRUNNING=`pidof raspivid | wc -w`
+	echo -n "."
+    done
+    echo
+
+    echo "Video running, starting OSD processes ..."
+
+    NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi`
+
+    echo "telemetry CTS: $TELEMETRY_CTS"
+
+    #sleep 365d
+    echo
+    while true; do
+        echo "Starting downlink telemetry transmission in $TXMODE mode (FC Serialport: $FC_TELEMETRY_SERIALPORT)"
+        nice cat $FC_TELEMETRY_SERIALPORT | nice /root/wifibroadcast/tx_telemetry -p 1 -c $TELEMETRY_CTS -r 2 -x $TELEMETRY_TYPE -d 12 -y 0 $NICS
+        ps -ef | nice grep "cat $FC_TELEMETRY_SERIALPORT" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+        ps -ef | nice grep "tx_telemetry -p 1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	echo "Downlink Telemetry TX exited - restarting ..."
+        sleep 1
+    done
+}
+
+
+
+
+# runs on RX (ground pi)
+function mspdownlinkrx_function {
+    echo
+    echo -n "Waiting until video is running ..."
+    VIDEORXRUNNING=0
+    while [ $VIDEORXRUNNING -ne 1 ]; do
+	sleep 0.5
+	VIDEORXRUNNING=`pidof $DISPLAY_PROGRAM | wc -w`
+	echo -n "."
+    done
+    echo
+    echo "Video running ..."
+
+    # disabled for now
+    #sleep 365d
+    while true; do
+	#
+	#if [ "$RELAY" == "Y" ]; then
+	#    ionice -c 1 -n 4 nice -n -9 cat /root/telemetryfifo4 | /root/wifibroadcast/tx_rawsock -p 1 -b $RELAY_TELEMETRY_BLOCKS -r $RELAY_TELEMETRY_FECS -f $RELAY_TELEMETRY_BLOCKLENGTH -m $TELEMETRY_MIN_BLOCKLENGTH -y 0 relay0 > /dev/null 2>&1 &
+	#fi
+	# update NICS variable in case a NIC has been removed (exclude devices with wlanx)
+	NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v wlan | nice grep -v relay | nice grep -v wifihotspot`
+	#nice /root/wifibroadcast/rx -p 4 -d 1 -b $TELEMETRY_BLOCKS -r $TELEMETRY_FECS -f $TELEMETRY_BLOCKLENGTH $NICS | ionice nice /root/wifibroadcast_misc/ftee /root/mspfifo > /dev/null 2>&1
+	echo "Starting msp downlink rx ..."
+	nice /root/wifibroadcast/rx_rc_telemetry -p 4 -o 1 -r 99 $NICS | ionice nice /root/wifibroadcast_misc/ftee /root/mspfifo > /dev/null 2>&1
+	echo "ERROR: MSP RX has been stopped - restarting ..."
+	ps -ef | nice grep "rx_rc_telemetry -p 4" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	ps -ef | nice grep "ftee /root/mspfifo" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	sleep 1
+    done
+}
+
+
+## runs on TX (air pi)
+function mspdownlinktx_function {
+    # setup serial port
+    stty -F $FC_MSP_SERIALPORT -imaxbel -opost -isig -icanon -echo -echoe -ixoff -ixon $FC_MSP_BAUDRATE
+    #/root/wifibroadcast/setupuart -d 0 -s $FC_MSP_SERIALPORT -b $FC_MSP_BAUDRATE
+
+    # wait until tx is running to make sure NICS are configured
+    echo
+    echo -n "Waiting until video TX is running ..."
+    VIDEOTXRUNNING=0
+    while [ $VIDEOTXRUNNING -ne 1 ]; do
+	sleep 0.5
+	VIDEOTXRUNNING=`pidof raspivid | wc -w`
+	echo -n "."
+    done
+    echo
+
+    echo "Video running, starting MSP processes ..."
+
+    NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi`
+
+    # disabled for now
+    #sleep 365d
+    echo
+    while true; do
+        echo "Starting MSP transmission, FC MSP Serialport: $FC_MSP_SERIALPORT"
+	nice cat $FC_MSP_SERIALPORT | nice /root/wifibroadcast/tx_telemetry -p 4 -c $TELEMETRY_CTS -r 2 -x 1 -d 12 -y 0 $NICS
+        ps -ef | nice grep "cat $FC_MSP_SERIALPORT" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+        ps -ef | nice grep "tx_telemetry -p 4" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+	echo "MSP telemetry TX exited - restarting ..."
+        sleep 1
+    done
+}
+
+
+
+## runs on RX (ground pi)
+function uplinktx_function {
+    # wait until video is running to make sure NICS are configured
+    echo
+    echo -n "Waiting until video is running ..."
+    VIDEORXRUNNING=0
+    while [ $VIDEORXRUNNING -ne 1 ]; do
+	VIDEORXRUNNING=`pidof $DISPLAY_PROGRAM | wc -w`
+	sleep 1
+	echo -n "."
+    done
+    sleep 1
+    echo
+    echo
+
+    if [ "$TELEMETRY_TRANSMISSION" == "wbc" ]; then # if we use wbc for transmission, set tx command to use wbc TX
+	NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v relay | nice grep -v wifihotspot`
+	echo -n "NICS:"
+	echo $NICS
+	if [ "$TELEMETRY_UPLINK" == "mavlink" ]; then
+	    VSERIALPORT=/dev/pts/0
+	    UPLINK_TX_CMD="nice /root/wifibroadcast/tx_telemetry -p 3 -c 0 -r 2 -x 0 -d 12 -y 0 $NICS"
+	else # MSP
+	    VSERIALPORT=/dev/pts/2
+	    UPLINK_TX_CMD="nice /root/wifibroadcast/tx_telemetry -p 3 -c 0 -r 2 -x 1 -d 12 -y 0 $NICS"
+	fi
+    else # else setup serial port and use cat
+	nice stty -F $EXTERNAL_TELEMETRY_SERIALPORT_GROUND $EXTERNAL_TELEMETRY_SERIALPORT_GROUND_STTY_OPTIONS $EXTERNAL_TELEMETRY_SERIALPORT_GROUND_BAUDRATE
+	#nice /root/wifibroadcast/setupuart -d 1 -s $EXTERNAL_TELEMETRY_SERIALPORT_GROUND -b $EXTERNAL_TELEMETRY_SERIALPORT_GROUND_BAUDRATE
+	UPLINK_TX_CMD="nice cat $EXTERNAL_TELEMETRY_SERIALPORT_GROUND"
+    fi
+
+    #sleep 365d
+    while true; do
+        echo "Starting uplink telemetry transmission"
+    	nice cat $VSERIALPORT | $UPLINK_TX_CMD
+    	ps -ef | nice grep "cat $EXTERNAL_TELEMETRY_SERIALPORT_GROUND" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    	ps -ef | nice grep "cat $TELEMETRY_OUTPUT_SERIALPORT_GROUND" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    	ps -ef | nice grep "cat $VSERIALPORT" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    	ps -ef | nice grep "tx_telemetry -p 3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    done
+}
+
+# runs on RX (ground pi)
+function rctx_function {
+    # Convert joystick config from DOS format to UNIX format
+    ionice -c 3 nice dos2unix -n /boot/joyconfig.txt /tmp/rctx.h > /dev/null 2>&1
+    echo
+    echo Building RC ...
+    cd /root/wifibroadcast_rc
+    ionice -c 3 nice gcc -lrt -lpcap rctx.c -o /tmp/rctx `sdl-config --libs` `sdl-config --cflags` || {
+	echo "ERROR: Could not build RC, check joyconfig.txt!"
+    }
+    # wait until video is running to make sure NICS are configured and wifibroadcast_rx_status shmem is available
+    echo
+    echo -n "Waiting until video is running ..."
+    VIDEORXRUNNING=0
+    while [ $VIDEORXRUNNING -ne 1 ]; do
+	VIDEORXRUNNING=`pidof $DISPLAY_PROGRAM | wc -w`
+	sleep 1
+        echo -n "."
+    done
+    echo
+
+    NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v relay | nice grep -v wifihotspot`
+    echo -n "NICS:"
+    echo $NICS
+    echo
+    echo "Starting R/C TX ..."
+    while true; do
+    	nice -n -5 /tmp/rctx $NICS
+    done
+}
+
+## runs on TX (air pi)
+function uplinkrx_and_rcrx_function {
+    echo "FC_TELEMETRY_SERIALPORT: $FC_TELEMETRY_SERIALPORT"
+    echo "FC_MSP_SERIALPORT: $FC_MSP_SERIALPORT"
+    echo "FC_RC_SERIALPORT: $FC_RC_SERIALPORT"
+
+    # wait until tx is running to make sure NICS are configured
+    echo
+    echo -n "Waiting until video TX is running ..."
+    VIDEOTXRUNNING=0
+    while [ $VIDEOTXRUNNING -ne 1 ]; do
+	VIDEOTXRUNNING=`pidof raspivid | wc -w`
+	sleep 1
+	echo -n "."
+    done
+    echo
+
+    NICS=`ls /sys/class/net/ | nice grep -v eth0 | nice grep -v lo | nice grep -v usb | nice grep -v intwifi | nice grep -v relay | nice grep -v wifihotspot`
+    echo -n "NICS:"
+    echo $NICS
+    echo
+
+    stty -F $FC_TELEMETRY_SERIALPORT $FC_TELEMETRY_STTY_OPTIONS $FC_TELEMETRY_BAUDRATE
+
+
+    #/root/wifibroadcast/setupuart -d 1 -s $FC_MSP_SERIALPORT -b $FC_MSP_BAUDRATE
+    #sleep 2
+
+    echo "Starting Uplink telemetry and R/C RX ..."
+    if [ "$RC" != "disabled" ]; then # with R/C
+	case $RC in
+	    "msp")
+		RC_PROTOCOL=0
+	    ;;
+	    "mavlink")
+		RC_PROTOCOL=1
+	    ;;
+	    "sumd")
+		RC_PROTOCOL=2
+	    ;;
+	    "ibus")
+		RC_PROTOCOL=3
+	    ;;
+	    "srxl")
+		RC_PROTOCOL=4
+	    ;;
+	esac
+	if [ "$FC_TELEMETRY_SERIALPORT" == "$FC_RC_SERIALPORT" ]; then
+	    if [ "$UPLINK" == "mavlink" ]; then # use the telemetry serialport and baudrate as it's the same anyway
+		nice /root/wifibroadcast/rx_rc_telemetry -p 3 -o 0 -b $FC_TELEMETRY_BAUDRATE -s $FC_TELEMETRY_SERIALPORT -r $RC_PROTOCOL $NICS &
+	    else # use the configured r/c serialport and baudrate
+		nice /root/wifibroadcast/rx_rc_telemetry -p 3 -o 0 -b $FC_RC_BAUDRATE -s $FC_RC_SERIALPORT -r $RC_PROTOCOL $NICS &
+	    fi
+	else
+	    #/root/wifibroadcast/setupuart -d 1 -s $FC_TELEMETRY_SERIALPORT -b $FC_TELEMETRY_BAUDRATE
+	    nice /root/wifibroadcast/rx_rc_telemetry -p 3 -o 1 -b $FC_RC_BAUDRATE -s $FC_RC_SERIALPORT -r $RC_PROTOCOL $NICS > $FC_TELEMETRY_SERIALPORT &
+	fi
+    else # without R/C TODO
+	#/root/wifibroadcast/setupuart -d 1 -s $FC_TELEMETRY_SERIALPORT -b $FC_TELEMETRY_BAUDRATE
+	nice /root/wifibroadcast/rx_rc_telemetry -p 3 -o 1 $NICS > $FC_TELEMETRY_SERIALPORT &
+    fi
+
+    nice /root/wifibroadcast/rssitx $NICS
+}
+
+
+
+function screenshot_function {
+    while true; do
+	# pause loop while saving is in progress
+	pause_while
+	SCALIVE=`nice /root/wifibroadcast/check_alive`
+	# do nothing if no video being received (so we don't take unnecessary screeshots)
+	LIMITFREE=3000 # 3 mbyte
+	if [ "$SCALIVE" == "1" ]; then
+		# check if tmp disk is full, if yes, do not save screenshot
+		FREETMPSPACE=`df -P /wbc_tmp/ | awk 'NR==2 {print $4}'`
+		if [ $FREETMPSPACE -gt $LIMITFREE ]; then
+			PNG_NAME=/wbc_tmp/screenshot`ls /wbc_tmp/screenshot* | wc -l`.png
+			echo "Taking screenshot: $PNG_NAME"
+			ionice -c 3 nice -n 19 /root/wifibroadcast_misc/raspi2png -p $PNG_NAME
+		else
+			echo "RAM disk full - no screenshot taken ..."
+		fi
+	else
+	    echo "Video not running - no screenshot taken ..."
+	fi
+	sleep 5
+    done
+}
+
+
+function save_function {
+    # let screenshot and check_alive function know that saving is in progrss
+    touch /tmp/pausewhile
+    # kill OSD so we can safeley start wbc_status
+    ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    # kill video and telemetry recording and also local video display
+    ps -ef | nice grep "cat /root/videofifo3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    ps -ef | nice grep "cat /root/telemetryfifo3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    ps -ef | nice grep "$DISPLAY_PROGRAM" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+    ps -ef | nice grep "cat /root/videofifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+
+    # find out if video is on ramdisk or sd
+    source /tmp/videofile
+    echo "VIDEOFILE: $VIDEOFILE"
+
+    # start re-play of recorded video ....
+    nice /opt/vc/src/hello_pi/hello_video/hello_video.bin.player $VIDEOFILE $FPS &
+
+    killall wbc_status > /dev/null 2>&1
+    nice /root/wifibroadcast_status/wbc_status "Saving to USB. This may take some time ..." 7 55 0 &
+
+    echo -n "Accessing file system.. "
+
+    # some sticks show up as sda1, others as sda, check for both
+    if [ -e "/dev/sda1" ]; then
+	USBDEV="/dev/sda1"
+    else
+	USBDEV="/dev/sda"
+    fi
+
+    echo "USBDEV: $USBDEV"
+
+    if mount $USBDEV /media/usb; then
+	TELEMETRY_SAVE_PATH="/telemetry"
+	SCREENSHOT_SAVE_PATH="/screenshot"
+	VIDEO_SAVE_PATH="/video"
+
+	if [ -s "/wbc_tmp/telemetrydowntmp.raw" ]; then
+	    if [ -d "/media/usb$TELEMETRY_SAVE_PATH" ]; then
+		echo "Telemetry save path $TELEMETRY_SAVE_PATH found"
+	    else
+		echo "Creating telemetry save path $TELEMETRY_SAVE_PATH.. "
+		mkdir /media/usb$TELEMETRY_SAVE_PATH
+	    fi
+	    cp /wbc_tmp/telemetrydowntmp.raw /media/usb$TELEMETRY_SAVE_PATH/telemetrydown`ls /media/usb$TELEMETRY_SAVE_PATH/*.raw | wc -l`.raw
+	    cp /wbc_tmp/telemetrydowntmp.txt /media/usb$TELEMETRY_SAVE_PATH/telemetrydown`ls /media/usb$TELEMETRY_SAVE_PATH/*.txt | wc -l`.txt
+	    #cp /wbc_tmp/cmavnode.log /media/usb$TELEMETRY_SAVE_PATH/cmavnode`ls /media/usb$TELEMETRY_SAVE_PATH/*.log | wc -l`.log
+	    killall tshark
+	    cp /wbc_tmp/*.pcap /media/usb$TELEMETRY_SAVE_PATH/
+	fi
+
+	if [ "$ENABLE_SCREENSHOTS" == "Y" ]; then
+	    if [ -d "/media/usb$SCREENSHOT_SAVE_PATH" ]; then
+		echo "Screenshots save path $SCREENSHOT_SAVE_PATH found"
+	    else
+		echo "Creating screenshots save path $SCREENSHOT_SAVE_PATH.. "
+		mkdir /media/usb$SCREENSHOT_SAVE_PATH
+	    fi
+	    DIR_NAME_SCREENSHOT=/media/usb$SCREENSHOT_SAVE_PATH/`ls /media/usb$SCREENSHOT_SAVE_PATH | wc -l`
+	    mkdir $DIR_NAME_SCREENSHOT
+	    cp /wbc_tmp/screenshot* $DIR_NAME_SCREENSHOT > /dev/null 2>&1
+	fi
+
+	if [ -s "$VIDEOFILE" ]; then
+	    if [ -d "/media/usb$VIDEO_SAVE_PATH" ]; then
+		echo "Video save path $VIDEO_SAVE_PATH found"
+	    else
+		echo "Creating video save path $VIDEO_SAVE_PATH.. "
+		mkdir /media/usb$VIDEO_SAVE_PATH
+	    fi
+	    FILE_NAME_AVI=/media/usb$VIDEO_SAVE_PATH/video`ls /media/usb$VIDEO_SAVE_PATH | wc -l`.avi
+	    echo "FILE_NAME_AVI: $FILE_NAME_AVI"
+	    nice avconv -framerate $FPS -i $VIDEOFILE -vcodec copy $FILE_NAME_AVI > /dev/null 2>&1 &
+	    AVCONVRUNNING=1
+	    while [ $AVCONVRUNNING -eq 1 ]; do
+		AVCONVRUNNING=`pidof avconv | wc -w`
+		#echo "AVCONVRUNNING: $AVCONVRUNNING"
+		sleep 4
+		killall wbc_status > /dev/null 2>&1
+		nice /root/wifibroadcast_status/wbc_status "Saving - please wait ..." 7 65 0 &
+	    done
+	fi
+	#cp /wbc_tmp/tracker.txt /media/usb/
+	cp /wbc_tmp/debug.txt /media/usb/
+	nice umount /media/usb
+	STICKGONE=0
+	while [ $STICKGONE -ne 1 ]; do
+	    killall wbc_status > /dev/null 2>&1
+	    nice /root/wifibroadcast_status/wbc_status "Done - USB memory stick can be removed now" 7 65 0 &
+	    sleep 4
+	    if [ ! -e "/dev/sda" ]; then
+		STICKGONE=1
+	    fi
+	done
+	killall wbc_status > /dev/null 2>&1
+	killall hello_video.bin.player > /dev/null 2>&1
+	rm /wbc_tmp/* > /dev/null 2>&1
+	rm /video_tmp/* > /dev/null 2>&1
+	sync
+    else
+	STICKGONE=0
+	while [ $STICKGONE -ne 1 ]; do
+	    killall wbc_status > /dev/null 2>&1
+	    nice /root/wifibroadcast_status/wbc_status "ERROR: Could not access USB memory stick!" 7 65 0 &
+	    sleep 4
+	    if [ ! -e "/dev/sda" ]; then
+		STICKGONE=1
+	    fi
+	done
+	killall wbc_status > /dev/null 2>&1
+	killall hello_video.bin.player > /dev/null 2>&1
+    fi
+
+    #killall tracker
+    # re-start video/telemetry recording
+    ionice -c 3 nice cat /root/videofifo3 >> $VIDEOFILE &
+    ionice -c 3 nice cat /root/telemetryfifo3 >> /wbc_tmp/telemetrydowntmp.raw &
+    # re-start local video display and osd
+    ionice -c 1 -n 4 nice -n -10 cat /root/videofifo1 | ionice -c 1 -n 4 nice -n -10 $DISPLAY_PROGRAM > /dev/null 2>&1 &
+    killall wbc_status > /dev/null 2>&1
+
+    OSDRUNNING=`pidof /tmp/osd | wc -w`
+    if [ $OSDRUNNING  -ge 1 ]; then
+	echo "OSD already running!"
+    else
+	killall wbc_status > /dev/null 2>&1
+	cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+    fi
+    # let screenshot function know that it can continue taking screenshots
+    rm /tmp/pausewhile
+}
+
+function pause_while {
+        if [ -f "/tmp/pausewhile" ]; then
+	    PAUSE=1
+	        while [ $PAUSE -ne 0 ]; do
+		    if [ ! -f "/tmp/pausewhile" ]; then
+	    	        PAUSE=0
+		    fi
+		    sleep 1
+		done
+	fi
+}
+
+function tether_check_function {
+	while true; do
+	    # pause loop while saving is in progress
+	    pause_while
+	    if [ -d "/sys/class/net/usb0" ]; then
+	    	echo
+		echo "USB tethering device detected. Configuring IP ..."
+		nice pump -h wifibrdcast -i usb0 --no-dns --keep-up --no-resolvconf --no-ntp || {
+		    echo "ERROR: Could not configure IP for USB tethering device!"
+		    nice killall wbc_status > /dev/null 2>&1
+		    nice /root/wifibroadcast_status/wbc_status "ERROR: Could not configure IP for USB tethering device!" 7 55 0
+		    collect_debug
+		    sleep 365d
+		}
+		# find out smartphone IP to send video stream to
+		PHONE_IP=`ip route show 0.0.0.0/0 dev usb0 | cut -d\  -f3`
+		echo "Android IP: $PHONE_IP"
+
+		#ionice -c 1 -n 4 nice -n -10 socat -b $VIDEO_UDP_BLOCKSIZE GOPEN:/root/videofifo2 UDP4-SENDTO:$PHONE_IP:$VIDEO_UDP_PORT &
+		nice socat -b $TELEMETRY_UDP_BLOCKSIZE GOPEN:/root/telemetryfifo2 UDP4-SENDTO:$PHONE_IP:$TELEMETRY_UDP_PORT &
+		nice /root/wifibroadcast/rssi_forward /wifibroadcast_rx_status_0 $PHONE_IP 5003 &
+
+		if [ "$FORWARD_STREAM" == "rtp" ]; then
+		    ionice -c 1 -n 4 nice -n -5 cat /root/videofifo2 | nice -n -5 gst-launch-1.0 fdsrc ! h264parse ! rtph264pay pt=96 config-interval=5 ! udpsink port=$VIDEO_UDP_PORT host=$PHONE_IP > /dev/null 2>&1 &
+		else
+		    ionice -c 1 -n 4 nice -n -10 socat -b $VIDEO_UDP_BLOCKSIZE GOPEN:/root/videofifo2 UDP4-SENDTO:$PHONE_IP:$VIDEO_UDP_PORT &
+		fi
+
+		if cat /boot/osdconfig.txt | grep -q "^#define MAVLINK"; then
+		    cat /root/telemetryfifo5 > /dev/pts/0 &
+		    #cp /root/cmavnode/cmavnode.conf /tmp/
+		    #echo "targetip=$PHONE_IP" >> /tmp/cmavnode.conf
+		    #ionice -c 3 nice /root/cmavnode/cmavnode --file /tmp/cmavnode.conf &
+		    ionice -c 3 nice /root/mavlink-router/mavlink-routerd -e $PHONE_IP:14550 /dev/pts/1:57600 &
+		    tshark -i usb0 -f "udp and port 14550" -w /wbc_tmp/mavlink`date +%s`.pcap &
+		fi
+
+		if [ "$TELEMETRY_UPLINK" == "msp" ]; then
+		    cat /root/mspfifo > /dev/pts/2 &
+		    #socat /dev/pts/3 tcp-listen:23
+		    ser2net
+		fi
+
+		# kill and pause OSD so we can safeley start wbc_status
+		ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+		ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+
+		killall wbc_status > /dev/null 2>&1
+		nice /root/wifibroadcast_status/wbc_status "Secondary display connected (USB)" 7 55 0
+
+		# re-start osd
+		killall wbc_status > /dev/null 2>&1
+
+		OSDRUNNING=`pidof /tmp/osd | wc -w`
+		if [ $OSDRUNNING  -ge 1 ]; then
+		    echo "OSD already running!"
+		else
+		    killall wbc_status > /dev/null 2>&1
+		    cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+		fi
+
+		# check if smartphone has been disconnected
+		PHONETHERE=1
+		while [  $PHONETHERE -eq 1 ]; do
+    		    if [ -d "/sys/class/net/usb0" ]; then
+			PHONETHERE=1
+			echo "Android device still connected ..."
+		    else
+			echo "Android device gone"
+			# kill and pause OSD so we can safeley start wbc_status
+			ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			killall wbc_status > /dev/null 2>&1
+			nice /root/wifibroadcast_status/wbc_status "Secondary display disconnected (USB)" 7 55 0
+			# re-start osd
+			OSDRUNNING=`pidof /tmp/osd | wc -w`
+			if [ $OSDRUNNING  -ge 1 ]; then
+			    echo "OSD already running!"
+			else
+			    killall wbc_status > /dev/null 2>&1
+			cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+			fi
+			PHONETHERE=0
+			# kill forwarding of video and osd to secondary display
+			ps -ef | nice grep "socat -b $VIDEO_UDP_BLOCKSIZE GOPEN:/root/videofifo2" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "gst-launch-1.0" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "cat /root/videofifo2" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "socat -b $TELEMETRY_UDP_BLOCKSIZE GOPEN:/root/telemetryfifo2" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "cat /root/telemetryfifo5" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			#ps -ef | nice grep "cmavnode" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "mavlink-routerd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "tshark" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "rssi_forward" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			# kill msp processes
+			ps -ef | nice grep "cat /root/mspfifo" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			#ps -ef | nice grep "socat /dev/pts/3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "ser2net" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+		    fi
+		    sleep 1
+		done
+	    else
+		echo "Android device not detected ..."
+	    fi
+	    sleep 1
+	done
+}
+
+function hotspot_check_function {
+        # Convert hostap config from DOS format to UNIX format
+	ionice -c 3 nice dos2unix -n /boot/apconfig.txt /tmp/apconfig.txt
+
+	if [ "$ETHERNET_HOTSPOT" == "Y" ]; then
+	    # setup hotspot on RPI3 internal ethernet chip
+	    nice ifconfig eth0 192.168.1.1 up
+	    nice udhcpd -I 192.168.1.1 /etc/udhcpd-eth.conf
+	fi
+
+	if [ "$WIFI_HOTSPOT" == "Y" ]; then
+	    nice udhcpd -I 192.168.2.1 /etc/udhcpd-wifi.conf
+	    nice -n 5 hostapd -B -d /tmp/apconfig.txt
+	fi
+
+	while true; do
+	    # pause loop while saving is in progress
+	    pause_while
+	    IP=0
+	    if [ "$ETHERNET_HOTSPOT" == "Y" ]; then
+		if nice ping -I eth0 -c 1 -W 1 -n -q 192.168.1.2 > /dev/null 2>&1; then
+		    IP="192.168.1.2"
+		    echo "Ethernet device detected. IP: $IP"
+		    nice socat -b $TELEMETRY_UDP_BLOCKSIZE GOPEN:/root/telemetryfifo2 UDP4-SENDTO:$IP:$TELEMETRY_UDP_PORT &
+		    nice /root/wifibroadcast/rssi_forward /wifibroadcast_rx_status_0 $IP 5003 &
+		    if [ "$FORWARD_STREAM" == "rtp" ]; then
+			ionice -c 1 -n 4 nice -n -5 cat /root/videofifo2 | nice -n -5 gst-launch-1.0 fdsrc ! h264parse ! rtph264pay pt=96 config-interval=5 ! udpsink port=$VIDEO_UDP_PORT host=$IP > /dev/null 2>&1 &
+		    else
+			ionice -c 1 -n 4 nice -n -10 socat -b $VIDEO_UDP_BLOCKSIZE GOPEN:/root/videofifo2 UDP4-SENDTO:$IP:$VIDEO_UDP_PORT &
+		    fi
+		    if cat /boot/osdconfig.txt | grep -q "^#define MAVLINK"; then
+			nice cat /root/telemetryfifo5 > /dev/pts/0 &
+			#cp /root/cmavnode/cmavnode.conf /tmp/
+			#echo "targetip=$IP" >> /tmp/cmavnode.conf
+			#ionice -c 3 nice /root/cmavnode/cmavnode --file /tmp/cmavnode.conf &
+			ionice -c 3 nice /root/mavlink-router/mavlink-routerd -e $IP:14550 /dev/pts/1:57600 &
+			tshark -i eth0 -f "udp and port 14550" -w /wbc_tmp/mavlink`date +%s`.pcap &
+		    fi
+		    if [ "$TELEMETRY_UPLINK" == "msp" ]; then
+			cat /root/mspfifo > /dev/pts/2 &
+			#socat /dev/pts/3 TCP-LISTEN:23
+			ser2net
+		    fi
+		fi
+	    fi
+	    if [ "$WIFI_HOTSPOT" == "Y" ]; then
+		if nice ping -I wifihotspot0 -c 2 -W 1 -n -q 192.168.2.2 > /dev/null 2>&1; then
+		    IP="192.168.2.2"
+		    echo "Wifi device detected. IP: $IP"
+		    nice socat -b $TELEMETRY_UDP_BLOCKSIZE GOPEN:/root/telemetryfifo2 UDP4-SENDTO:$IP:$TELEMETRY_UDP_PORT &
+		    nice /root/wifibroadcast/rssi_forward /wifibroadcast_rx_status_0 $IP 5003 &
+		    if [ "$FORWARD_STREAM" == "rtp" ]; then
+			ionice -c 1 -n 4 nice -n -5 cat /root/videofifo2 | nice -n -5 gst-launch-1.0 fdsrc ! h264parse ! rtph264pay pt=96 config-interval=5 ! udpsink port=$VIDEO_UDP_PORT host=$IP > /dev/null 2>&1 &
+		    else
+			ionice -c 1 -n 4 nice -n -10 socat -b $VIDEO_UDP_BLOCKSIZE GOPEN:/root/videofifo2 UDP4-SENDTO:$IP:$VIDEO_UDP_PORT &
+		    fi
+		    if cat /boot/osdconfig.txt | grep -q "^#define MAVLINK"; then
+			cat /root/telemetryfifo5 > /dev/pts/0 &
+			#cp /root/cmavnode/cmavnode.conf /tmp/
+			#echo "targetip=$IP" >> /tmp/cmavnode.conf
+			#ionice -c 3 nice /root/cmavnode/cmavnode --file /tmp/cmavnode.conf &
+			ionice -c 3 nice /root/mavlink-router/mavlink-routerd -e $IP:14550 /dev/pts/1:57600 &
+			tshark -i wifihotspot0 -f "udp and port 14550" -w /wbc_tmp/mavlink`date +%s`.pcap &
+		    fi
+
+		    if [ "$TELEMETRY_UPLINK" == "msp" ]; then
+			cat /root/mspfifo > /dev/pts/2 &
+			#socat /dev/pts/3 TCP-LISTEN:23
+			ser2net
+		    fi
+		fi
+	    fi
+	    if [ "$IP" != "0" ]; then
+		# kill and pause OSD so we can safeley start wbc_status
+		ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+		ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+
+	        killall wbc_status > /dev/null 2>&1
+		nice /root/wifibroadcast_status/wbc_status "Secondary display connected (Hotspot)" 7 55 0
+
+		# re-start osd
+		OSDRUNNING=`pidof /tmp/osd | wc -w`
+		if [ $OSDRUNNING  -ge 1 ]; then
+		    echo "OSD already running!"
+		else
+		    killall wbc_status > /dev/null 2>&1
+		    cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+		fi
+
+		# check if connection is still connected
+		IPTHERE=1
+		while [  $IPTHERE -eq 1 ]; do
+		    if ping -c 2 -W 1 -n -q $IP > /dev/null 2>&1; then
+			IPTHERE=1
+			echo "IP $IP still connected ..."
+		    else
+			echo "IP $IP gone"
+			# kill and pause OSD so we can safeley start wbc_status
+			ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+
+			killall wbc_status > /dev/null 2>&1
+			nice /root/wifibroadcast_status/wbc_status "Secondary display disconnected (Hotspot)" 7 55 0
+			# re-start osd
+			OSDRUNNING=`pidof /tmp/osd | wc -w`
+			if [ $OSDRUNNING  -ge 1 ]; then
+			    echo "OSD already running!"
+			else
+			    killall wbc_status > /dev/null 2>&1
+			    OSDRUNNING=`pidof /tmp/osd | wc -w`
+			    if [ $OSDRUNNING  -ge 1 ]; then
+				echo "OSD already running!"
+			    else
+				killall wbc_status > /dev/null 2>&1
+			        cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+			    fi
+			fi
+			IPTHERE=0
+			# kill forwarding of video and telemetry to secondary display
+			ps -ef | nice grep "socat -b $VIDEO_UDP_BLOCKSIZE GOPEN:/root/videofifo2" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "gst-launch-1.0" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "cat /root/videofifo2" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "socat -b $TELEMETRY_UDP_BLOCKSIZE GOPEN:/root/telemetryfifo2" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "cat /root/telemetryfifo5" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "mavlink-routerd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "tshark" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "rssi_forward" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			# kill msp processes
+			ps -ef | nice grep "cat /root/mspfifo" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			#ps -ef | nice grep "socat /dev/pts/3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			ps -ef | nice grep "ser2net" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+
+		    fi
+	    	    sleep 1
+		done
+	    else
+		echo "No IP detected ..."
+	    fi
+	    sleep 1
+	done
+}
+
+printf "\033c"
+
+if [ -e "/tmp/settings.sh" ]; then
+    OK=`bash -n /tmp/settings.sh`
+    if [ "$?" == "0" ]; then
+	source /tmp/settings.sh
+    else
+	echo "ERROR: wifobroadcast config file contains syntax error(s)!"
+	collect_debug
+	sleep 365d
+    fi
+else
+    echo "ERROR: wifobroadcast config file not found!"
+    collect_debug
+    sleep 365d
+fi
+
+# enable jit compiler for BPF filter (may improve bpf filter performance?)
+#echo 1 > /proc/sys/net/core/bpf_jit_enable
+
+case $DATARATE in
+    1)
+	UPLINK_WIFI_BITRATE=11
+	TELEMETRY_WIFI_BITRATE=11
+	VIDEO_WIFI_BITRATE=5.5
+    ;;
+    2)
+	UPLINK_WIFI_BITRATE=11
+	TELEMETRY_WIFI_BITRATE=11
+	VIDEO_WIFI_BITRATE=11
+    ;;
+    3)
+	UPLINK_WIFI_BITRATE=11
+	TELEMETRY_WIFI_BITRATE=12
+	VIDEO_WIFI_BITRATE=12
+    ;;
+    4)
+	UPLINK_WIFI_BITRATE=11
+	TELEMETRY_WIFI_BITRATE=19.5
+	VIDEO_WIFI_BITRATE=19.5
+    ;;
+    5)
+	UPLINK_WIFI_BITRATE=11
+	TELEMETRY_WIFI_BITRATE=24
+	VIDEO_WIFI_BITRATE=24
+    ;;
+    6)
+	UPLINK_WIFI_BITRATE=12
+	TELEMETRY_WIFI_BITRATE=36
+	VIDEO_WIFI_BITRATE=36
+    ;;
+esac
+
+FC_TELEMETRY_STTY_OPTIONS="-icrnl -ocrnl -imaxbel -opost -isig -icanon -echo -echoe -ixoff -ixon"
+
+# mmormota's stutter-free hello_video.bin: "hello_video.bin.30-mm" (for 30fps) or "hello_video.bin.48-mm" (for 48 and 59.9fps)
+# befinitiv's hello_video.bin: "hello_video.bin.240-befi" (for any fps, use this for higher than 59.9fps)
+
+if [ "$FPS" == "59.9" ]; then
+    DISPLAY_PROGRAM=/opt/vc/src/hello_pi/hello_video/hello_video.bin.48-mm
+else
+
+    if [ "$FPS" -eq 30 ]; then
+	DISPLAY_PROGRAM=/opt/vc/src/hello_pi/hello_video/hello_video.bin.30-mm
+    fi
+    if [ "$FPS" -lt 60 ]; then
+	DISPLAY_PROGRAM=/opt/vc/src/hello_pi/hello_video/hello_video.bin.48-mm
+#	DISPLAY_PROGRAM=/opt/vc/src/hello_pi/hello_video/hello_video.bin.240-befi
+    fi
+    if [ "$FPS" -gt 60 ]; then
+	DISPLAY_PROGRAM=/opt/vc/src/hello_pi/hello_video/hello_video.bin.240-befi
+    fi
+fi
+
+VIDEO_UDP_BLOCKSIZE=1024
+TELEMETRY_UDP_BLOCKSIZE=128
+
+RELAY_VIDEO_BLOCKS=8
+RELAY_VIDEO_FECS=4
+RELAY_VIDEO_BLOCKLENGTH=1024
+
+EXTERNAL_TELEMETRY_SERIALPORT_GROUND_STTY_OPTIONS="-icrnl -ocrnl -imaxbel -opost -isig -icanon -echo -echoe -ixoff -ixon"
+TELEMETRY_OUTPUT_SERIALPORT_GROUND_STTY_OPTIONS="-icrnl -ocrnl -imaxbel -opost -isig -icanon -echo -echoe -ixoff -ixon"
+
+RSSI_UDP_PORT=5003
+
+if cat /boot/osdconfig.txt | grep -q "^#define LTM"; then
+    TELEMETRY_UDP_PORT=5001
+    TELEMETRY_TYPE=1
+fi
+if cat /boot/osdconfig.txt | grep -q "^#define FRSKY"; then
+    TELEMETRY_UDP_PORT=5002
+    TELEMETRY_TYPE=1
+fi
+if cat /boot/osdconfig.txt | grep -q "^#define MAVLINK"; then
+    TELEMETRY_UDP_PORT=5004
+    TELEMETRY_TYPE=0
+fi
+
+if [ "$CTS_PROTECTION" == "Y" ]; then
+    VIDEO_FRAMETYPE=1 # use standard data frames, so that CTS is generated for Atheros
+    TELEMETRY_CTS=1
+else # auto or N
+    VIDEO_FRAMETYPE=2 # use RTS frames (no CTS protection)
+    TELEMETRY_CTS=1 # use RTS frames, (always use CTS for telemetry (only atheros anyway))
+fi
+
+if [ "$TXMODE" != "single" ]; then # always type 1 in dual tx mode since ralink beacon injection broken
+    VIDEO_FRAMETYPE=1
+    TELEMETRY_CTS=1
+fi
+
+case $TTY in
+    /dev/tty1) # video stuff and general stuff like wifi card setup etc.
+	printf "\033[12;0H"
+	echo
+	tmessage "Display: `tvservice -s | cut -f 3-20 -d " "`"
+	echo
+	if [ "$CAM" == "0" ]; then
+	    rx_function
+	else
+	    tx_function
+	fi
+    ;;
+    /dev/tty2) # osd stuff
+	echo "================== OSD (tty2) ==========================="
+	# only run osdrx if no cam found
+	if [ "$CAM" == "0" ]; then
+	    osdrx_function
+	else
+	    # only run osdtx if cam found, osd enabled and telemetry input is the tx
+	    if [ "$CAM" == "1" ] && [ "$TELEMETRY_TRANSMISSION" == "wbc" ]; then
+	        osdtx_function
+	    fi
+	fi
+    	echo "OSD not enabled in configfile"
+	sleep 365d
+    ;;
+    /dev/tty3) # r/c stuff
+	echo "================== R/C TX (tty3) ==========================="
+	# only run rctx if no cam found and rc is not disabled
+	if [ "$CAM" == "0" ] && [ "$RC" != "disabled" ]; then
+	    echo "R/C enabled ... we are TX"
+	    rctx_function
+	fi
+	echo "R/C not enabled in configfile"
+	sleep 365d
+    ;;
+    /dev/tty4) # unused
+	echo "================== RSSIRX (tty4) ==========================="
+	if [ "$CAM" == "0" ]; then
+	    if [ "$RC" != "disabled" ] || [ "$UPLINK" != "disabled" ]; then
+		rssirx_function
+	    fi
+	fi
+	sleep 365d
+    ;;
+    /dev/tty5) # screenshot stuff
+	echo "================== SCREENSHOT (tty5) ==========================="
+	echo
+	# only run screenshot function if cam found and screenshots are enabled
+	if [ "$CAM" == "0" ] && [ "$ENABLE_SCREENSHOTS" == "Y" ]; then
+	    echo "Waiting some time until everything else is running ..."
+	    sleep 20
+	    echo "Screenshots enabled - starting screenshot function ..."
+	    screenshot_function
+	fi
+	echo "Screenshots not enabled in configfile or we are TX"
+	sleep 365d
+    ;;
+    /dev/tty6)
+	echo "================== SAVE FUNCTION (tty6) ==========================="
+	echo
+	# # only run save function if we are RX
+	if [ "$CAM" == "0" ]; then
+	    echo "Waiting some time until everything else is running ..."
+	    sleep 30
+	    echo "Waiting for USB stick to be plugged in ..."
+	    KILLED=0
+	    LIMITFREE=3000 # 3 mbyte
+	    while true; do
+		if [ ! -f "/tmp/donotsave" ]; then
+		    if [ -e "/dev/sda" ]; then
+			echo "USB Memory stick detected"
+			save_function
+		    fi
+		fi
+		# check if tmp disk is full, if yes, kill cat process
+		if [ "$KILLED" != "1" ]; then
+		    FREETMPSPACE=`nice df -P /wbc_tmp/ | nice awk 'NR==2 {print $4}'`
+		    if [ $FREETMPSPACE -lt $LIMITFREE ]; then
+			echo "RAM disk full, killing cat video file writing  process ..."
+			ps -ef | nice grep "cat /root/videofifo3" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			KILLED=1
+		    fi
+		fi
+		sleep 1
+	    done
+	fi
+	echo "Save function not enabled, we are TX"
+	sleep 365d
+    ;;
+    /dev/tty7) # check tether
+	echo "================== CHECK TETHER (tty7) ==========================="
+	if [ "$CAM" == "0" ]; then
+	    echo "Waiting some time until everything else is running ..."
+	    sleep 6
+	    tether_check_function
+	else
+	    echo "Cam found, we are TX, Check tether function disabled"
+	    sleep 365d
+	fi
+    ;;
+    /dev/tty8) # check hotspot
+	echo "================== CHECK HOTSPOT (tty8) ==========================="
+	if [ "$CAM" == "0" ]; then
+	    if [ "$ETHERNET_HOTSPOT" == "Y" ] || [ "$WIFI_HOTSPOT" == "Y" ]; then
+		echo
+		echo -n "Waiting until video is running ..."
+		HVIDEORXRUNNING=0
+		while [ $HVIDEORXRUNNING -ne 1 ]; do
+		    sleep 0.5
+		    HVIDEORXRUNNING=`pidof $DISPLAY_PROGRAM | wc -w`
+		    echo -n "."
+		done
+		echo
+		echo "Video running, starting hotspot processes ..."
+		sleep 1
+		hotspot_check_function
+	    else
+		echo "Check hotspot function not enabled in config file"
+		sleep 365d
+	    fi
+	fi
+    ;;
+    /dev/tty9) # check alive
+	echo "================== CHECK ALIVE (tty9) ==========================="
+#	sleep 365d
+
+	if [ "$CAM" == "0" ]; then
+	    echo "Waiting some time until everything else is running ..."
+	    sleep 15
+	    check_alive_function
+	    echo
+	else
+	    echo "Cam found, we are TX, check alive function disabled"
+	    sleep 365d
+	fi
+    ;;
+    /dev/tty10) # uplink
+	echo "================== uplink tx rx / rc rx / msp rx / (tty10) ==========================="
+	sleep 7
+	if [ "$CAM" == "1" ]; then # we are video TX and uplink RX
+	    if [ "$TELEMETRY_UPLINK" != "disabled" ] || [ "$RC" != "disabled" ]; then
+		echo "Uplink and/or R/C enabled ... we are RX"
+		uplinkrx_and_rcrx_function &
+		if [ "$TELEMETRY_UPLINK" == "msp" ]; then
+		    mspdownlinktx_function
+		fi
+		sleep 365d
+	    else
+		echo "uplink and R/C not enabled in config"
+	    fi
+	    sleep 365d
+	else # we are video RX and uplink TX
+	    if [ "$TELEMETRY_UPLINK" != "disabled" ]; then
+		echo "uplink  enabled ... we are uplink TX"
+		uplinktx_function &
+		if [ "$TELEMETRY_UPLINK" == "msp" ]; then
+		    mspdownlinkrx_function
+		fi
+		sleep 365d
+	    else
+		echo "uplink not enabled in config"
+	    fi
+	    sleep 365d
+	fi
+    ;;
+    /dev/tty11) # tty for dhcp and login
+	echo "================== eth0 DHCP client (tty11) ==========================="
+	# sleep until everything else is loaded (atheros cards and usb flakyness ...)
+	sleep 6
+	if [ "$CAM" == "0" ]; then
+	    EZHOSTNAME="wifibrdcast-rx"
+	else
+	    EZHOSTNAME="wifibrdcast-tx"
+	fi
+	# only configure ethernet network interface via DHCP if ethernet hotspot is disabled
+	if [ "$ETHERNET_HOTSPOT" == "N" ]; then
+		# disabled loop, as usual, everything is flaky on the Pi, gives kernel stall messages ...
+		nice ifconfig eth0 up
+		sleep 2
+		    if cat /sys/class/net/eth0/carrier | nice grep -q 1; then
+			echo "Ethernet connection detected"
+			CARRIER=1
+			if nice pump -i eth0 --no-ntp -h $EZHOSTNAME; then
+			    ETHCLIENTIP=`ifconfig eth0 | grep "inet addr" | cut -d ':' -f 2 | cut -d ' ' -f 1`
+			    # kill and pause OSD so we can safeley start wbc_status
+			    ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			    ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			    killall wbc_status > /dev/null 2>&1
+			    nice /root/wifibroadcast_status/wbc_status "Ethernet connected. IP: $ETHCLIENTIP" 7 55 0
+			    OSDRUNNING=`pidof /tmp/osd | wc -w`
+			    if [ $OSDRUNNING  -ge 1 ]; then
+				echo "OSD already running!"
+			    else
+				killall wbc_status > /dev/null 2>&1
+				if [ "$CAM" == "0" ]; then # only (re-)start OSD if we are RX
+				    cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+				fi
+			    fi
+			else
+			    ps -ef | nice grep "pump -i eth0" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			    nice ifconfig eth0 down
+			    echo "DHCP failed"
+			    ps -ef | nice grep "osd" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			    ps -ef | nice grep "cat /root/telemetryfifo1" | nice grep -v grep | awk '{print $2}' | xargs kill -9
+			    killall wbc_status > /dev/null 2>&1
+			    nice /root/wifibroadcast_status/wbc_status "ERROR: Could not acquire IP via DHCP!" 7 55 0
+			    OSDRUNNING=`pidof /tmp/osd | wc -w`
+			    if [ $OSDRUNNING  -ge 1 ]; then
+				echo "OSD already running!"
+			    else
+				killall wbc_status > /dev/null 2>&1
+				if [ "$CAM" == "0" ]; then # only (re-)start OSD if we are RX
+				    cat /root/telemetryfifo1 | /tmp/osd >> /wbc_tmp/telemetrydowntmp.txt &
+				fi
+			    fi
+			fi
+		    else
+			echo "No ethernet connection detected"
+		    fi
+	else
+	    echo "Ethernet Hotspot enabled, doing nothing"
+	fi
+	sleep 365d
+    ;;
+    /dev/tty12) # tty for local interactive login
+	echo
+	if [ "$CAM" == "0" ]; then
+	    echo -n "Welcome to EZ-Wifibroadcast 1.6 (RX) - "
+	    read -p "Press <enter> to login"
+	    rw
+	else
+	    echo -n "Welcome to EZ-Wifibroadcast 1.6 (TX) - "
+	    read -p "Press <enter> to login"
+	    rw
+	fi
+    ;;
+    *) # all other ttys used for interactive login
+	if [ "$CAM" == "0" ]; then
+	    echo "Welcome to EZ-Wifibroadcast 1.6 (RX) - type 'ro' to switch filesystems back to read-only"
+	    rw
+	else
+	    echo "Welcome to EZ-Wifibroadcast 1.6 (TX) - type 'ro' to switch filesystems back to read-only"
+	    rw
+	fi
+    ;;
+esac