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			161 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
			
		
		
	
	
			161 lines
		
	
	
		
			3.5 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
| #!/bin/sh
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| #
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| # Start wifibroadcast
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| #
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| 
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| . /etc/datalink.conf
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| . /etc/wfb.conf
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| 
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| keydir="/etc"
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| chip=$(ipcinfo -c)
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| vendor=$(ipcinfo -v)
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| 
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| driver=""
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| 
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| set_mcs() {
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|   if [ ${vendor} = "ingenic" ]; then
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| 	mcs=$(ls -l /lib/firmware | grep "htc_9271" | awk {'print $11'} | cut -d "." -f3)
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|   else
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| 	mcs=$(ls -l /lib/firmware/ath9k_htc | grep "htc_9271-1.4.0.fw" | cut -d "." -f6)
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|   fi
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|   if [ -z "${mcs}" ]; then
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| 	setmcs ${mcs_index}
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|   fi
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|   if [ ${mcs_index} -eq 1 ] || [ ${mcs_index} -eq 3 ]; then
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| 	  if [ ! ${mcs_index} -eq ${mcs} ]; then
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| 		setmcs ${mcs_index}
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| 		sleep 3
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| 	  fi
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|   fi
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| }
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| 
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| # "0bda:8813" -> (8814) -> 8814au
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| # "0846:9052" -> (8811) -> 8821au
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| 
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| detect_wifi_card() {
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|   echo "Detecting wifi card vendor..."
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|   devices=$(lsusb | cut -d ' ' -f6 | sort | uniq)
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|   for card in ${devices}
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| 	do
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| 	  case "${card}" in
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| 	  "0bda:8812" | "0bda:881a" | "0b05:17d2" | "2357:0101" | "2604:0012")
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| 		driver="realtek"
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| 		modprobe 88XXau rtw_tx_pwr_idx_override=${driver_txpower_override}
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| 	  ;;
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| 	  "0cf3:9271" | "040d:3801")
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| 		driver="atheros"
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| 		if ! [ ${unit} = "gs" ]; then
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| 		    set_mcs
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| 		fi
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| 		modprobe mac80211
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| 		modprobe ath9k_hw txpower=${txpower}
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| 		modprobe ath9k_htc
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| 	  ;;
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| 	  esac
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|   done
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| 
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|   if [ -z "${driver}" ]; then
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| 	echo "No usb wifi card detected. Check wifi stick connection, usb power or possible bad soldering."
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| 	exit
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|   else
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| 	echo "Detected:" ${driver}
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|   fi
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| 
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|   echo "Awaiting interface ${wlan} in system..."
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| 
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|   local n=0
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|   while ! $(ifconfig -a | grep -q ${wlan})
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|   do
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| 	if [ ${n} -ge 5 ]; then
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| 	  echo "No interface ${wlan}. Check wifi stick connection, usb power or possible bad soldering."
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| 	  exit
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| 	fi
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| 	sleep 0.5
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| 	n=$(expr ${n} + 1)
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|   done
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| }
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| 
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| load_modules() {
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|   modprobe cfg80211
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|   detect_wifi_card
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| }
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| 
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| load_interface() {
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|   if [ ${driver} = "realtek" ]; then
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| 	  ifconfig ${wlan} up
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| 	  iwconfig ${wlan} mode monitor
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|   elif [ ${driver} = "atheros" ]; then
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| 	  iwconfig ${wlan} mode monitor
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| 	  ifconfig ${wlan} up
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|   fi
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| 
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|   iw reg set ${region}
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| 
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|   if [ ! -z "${frequency}" ]; then
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| 	  iwconfig ${wlan} freq ${frequency}
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|   else
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| 	  iwconfig ${wlan} channel ${channel}
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|   fi
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|   # dirty fix crash if txpower set. setting txpower disabled because patched driver always set txpower level 58
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|   # iw dev ${wlan} set txpower fixed $((${txpower} * 100))
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| }
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| 
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| start_drone_wfb() {
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|   wfb_tx -p ${stream} -u ${udp_port} -R ${rcv_buf} -K ${keydir}/${unit}.key -B ${bandwidth} -M ${mcs_index} -S ${stbc} -L ${ldpc} -G ${guard_interval} -k ${fec_k} -n ${fec_n} -T ${pool_timeout} -i ${link_id} -f ${frame_type} ${wlan} > /dev/null &
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| }
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| 
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| start_gs_wfb() {
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|   wfb_rx -c ${udp_addr} -u ${udp_port} -p ${stream} -K ${keydir}/${unit}.key -i ${link_id} ${wlan} > /dev/null &
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| }
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| 
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| case "$1" in
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|   start)
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|     if [ ${daemon} -eq 1 ]; then
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| 
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| 	  echo "Loading modules and wifi card driver..."
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| 
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| 	  load_modules
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| 
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| 	  echo "Preparing interface wlan..."
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| 	  
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| 	  load_interface
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| 	  
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| 	  if ! cat ${keydir}/${unit}.key > /dev/null 2>&1; then
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| 		echo "Generating drone & ground station keys..."
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| 		cd ${keydir} ; wfb_keygen
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| 	  else
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| 		echo ${unit} "key exist..."
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| 	  fi
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| 
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| 	  echo "Starting Wifibroadcast service..."
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| 
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| 	  start_${unit}_wfb
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| 
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| 	  echo "Done."
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| 
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| 	  if [ ${telemetry} = "true" ]; then
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| 		if [ ${chip} = "gk7205v200" ]; then
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| 			# UART2_RX mux
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| 			devmem 0x120c0010 32 0x1e04
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| 		fi
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| 		telemetry start
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| 	  fi
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| 
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| 	else
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|     	    echo "Wifibroadcast service disabled in wfb.conf..."
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| 	fi
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|     ;;
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|   stop)
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|     echo "Stopping all services..."
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| 	kill -9 $(pidof wfb_tx)
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| 	kill -9 $(pidof wfb_rx)
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| 	kill -9 $(pidof telemetry_rx)
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| 	kill -9 $(pidof telemetry_tx)
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| 	kill -9 $(pidof mavlink-routerd)
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| 	kill -9 $(pidof mavfwd)
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|     ;;
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|     *)
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|     echo "Usage: $0 {start|stop}"
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|     exit 1
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| esac
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