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adsb-receiver/bash/decoders/rtlsdr-ogn.sh

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#!/bin/bash
#####################################################################################
# ADS-B RECEIVER #
#####################################################################################
# #
# This script is not meant to be executed directly. #
# Instead execute install.sh to begin the installation process. #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
# #
# Copyright (c) 2015 Joseph A. Prochazka #
# #
# Permission is hereby granted, free of charge, to any person obtaining a copy #
# of this software and associated documentation files (the "Software"), to deal #
# in the Software without restriction, including without limitation the rights #
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #
# copies of the Software, and to permit persons to whom the Software is #
# furnished to do so, subject to the following conditions: #
# #
# The above copyright notice and this permission notice shall be included in all #
# copies or substantial portions of the Software. #
# #
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE #
# SOFTWARE. #
# #
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
### VARIABLES
PROJECT_ROOT_DIRECTORY="$PWD"
BASHDIRECTORY="${PROJECT_ROOT_DIRECTORY}/bash"
BUILDDIRECTORY="${PROJECT_ROOT_DIRECTORY}/build"
BUILDDIRECTORY_RTLSDROGN="$BUILDDIRECTORY/rtlsdr-ogn"
DECODER_NAME="RTLSDR-OGN"
DECODER_DESC="is the Open Glider Network decoder which focuses on tracking aircraft equipped with FLARM, FLARM-compatible devices or OGN tracker"
DECORDER_GITHUB="https://github.com/glidernet/ogn-rf"
DECODER_WEBSITE="http://wiki.glidernet.org"
### INCLUDE EXTERNAL SCRIPTS
source ${BASHDIRECTORY}/variables.sh
source ${BASHDIRECTORY}/functions.sh
### BEGIN SETUP
clear
echo -e ""
echo -e "\e[91m ${ADSB_PROJECTTITLE}"
echo -e ""
echo -e "\e[92m Setting up ${DECODER_NAME} ...."
echo -e "\e[93m----------------------------------------------------------------------------------------------------\e[96m"
echo -e ""
whiptail --backtitle "${ADSB_PROJECTTITLE}" --title "${DECODER_NAME} Setup" --yesno "${DECODER_NAME} ${DECODER_DESC}. \n\nPlease note that ${DECODER_NAME} requests a dedicated SDR tuner. \n\n${DECODER_WEBSITE} \n\nContinue setup by installing ${DECODER_NAME} ?" 14 78
CONTINUESETUP=$?
if [[ $CONTINUESETUP = 1 ]] ; then
# Setup has been halted by the user.
echo -e "\e[91m \e[5mINSTALLATION HALTED!\e[25m"
echo -e " Setup has been halted at the request of the user."
echo -e ""
echo -e "\e[93m----------------------------------------------------------------------------------------------------"
echo -e "\e[92m ${DECODER_NAME} setup halted.\e[39m"
echo -e ""
if [[ ! -z ${VERBOSE} ]] ; then
read -p "Press enter to continue..." CONTINUE
fi
exit 1
fi
### CHECK FOR PREREQUISITE PACKAGES
echo -e "\e[95m Installing packages needed to build and fulfill dependencies for ${DECODER_NAME}...\e[97m"
echo -e ""
CheckPackage git
CheckPackage rtl-sdr
CheckPackage librtlsdr-dev
CheckPackage libusb-1.0-0-dev
CheckPackage libconfig-dev
CheckPackage libfftw3-dev
CheckPackage libjpeg8
CheckPackage libjpeg-dev
CheckPackage libconfig9
CheckPackage procserv
CheckPackage telnet
CheckPackage curl
CheckPackage lynx
### BLACKLIST UNWANTED RTL-SDR MODULES FROM BEING LOADED
echo -e "\033[33m Stopping unwanted kernel modules from being loaded..."
echo -e "\033[37m"
sudo tee /etc/modprobe.d/rtlsdr-blacklist.conf > /dev/null <<EOF
blacklist dvb_usb_rtl28xxu
blacklist dvb_usb_v2
blacklist rtl_2830
blacklist rtl_2832
blacklist r820t
blacklist rtl2830
blacklist rtl2832
EOF
### CHECK FOR EXISTING INSTALL AND IF SO STOP IT
if [[ -x /etc/init.d/rtlsdr-ogn ]] ; then
sudo service rtlsdr-ogn stop
fi
### DOWNLOAD AND SET UP THE BINARIES
# Create build directory if not already present.
if [[ ! -d ${BUILDDIRECTORY_RTLSDROGN} ]] ; then
mkdir ${BUILDDIRECTORY_RTLSDROGN}
fi
cd ${BUILDDIRECTORY_RTLSDROGN}
# Download and extract the proper binaries.
case `uname -m` in
"armv6l")
# Raspberry Pi 1
curl http://download.glidernet.org/rpi-gpu/rtlsdr-ogn-bin-RPI-GPU-latest.tgz -o ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn-bin-RPI-GPU-latest.tgz
tar xvzf rtlsdr-ogn-bin-RPI-GPU-latest.tgz -C ${BUILDDIRECTORY_RTLSDROGN}
;;
"armv7l")
# Raspberry Pi 2 onwards
curl http://download.glidernet.org/arm/rtlsdr-ogn-bin-ARM-latest.tgz -o ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn-bin-ARM-latest.tgz
tar xvzf rtlsdr-ogn-bin-ARM-latest.tgz -C ${BUILDDIRECTORY_RTLSDROGN}
;;
"x86_64")
# 64 Bit
curl http://download.glidernet.org/x64/rtlsdr-ogn-bin-x64-latest.tgz -o ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn-bin-x64-latest.tgz
tar xvzf rtlsdr-ogn-bin-x64-latest.tgz -C ${BUILDDIRECTORY_RTLSDROGN}
;;
*)
# 32 Bit (default install if no others matched)
curl http://download.glidernet.org/x86/rtlsdr-ogn-bin-x86-latest.tgz -o ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn-bin-x86-latest.tgz
tar xvzf rtlsdr-ogn-bin-x86-latest.tgz -C ${BUILDDIRECTORY_RTLSDROGN}
;;
esac
# Change to work directory
cd ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn
# Create named pipe.
if [[ ! -p ogn-rf.fifo ]] ; then
sudo mkfifo ogn-rf.fifo
fi
# Set file permissions.
sudo chown root gsm_scan
sudo chmod a+s gsm_scan
sudo chown root ogn-rf
sudo chmod a+s ogn-rf
sudo chown root rtlsdr-ogn
sudo chmod a+s rtlsdr-ogn
if [[ ! -c gpu_dev ]] ; then
# Check if kernel v4.1 or higher is being used.
KERNEL=`uname -r`
VERSION="`echo $KERNEL | cut -d \. -f 1`.`echo $KERNEL | cut -d \. -f 2`"
if [[ $VERSION < 4.1 ]] ; then
# Kernel is older than version 4.1.
sudo mknod gpu_dev c 100 0
else
# Kernel is version 4.1 or newer.
sudo mknod gpu_dev c 249 0
fi
fi
### ASSIGN THE RTL-SDR TUNER DEVICE TO THIS DECODER
# Check for multiple tuners...
TUNER_COUNT=`rtl_eeprom 2>&1 | grep -c "^\s*[0-9]*:\s"`
# Multiple RTL_SDR tuners found, check if device specified for this decoder is present.
if [[ ${TUNER_COUNT} -gt 1 ]] ; then
# If a device has been specified by serial number then try to match that with the currently detected tuners.
if [[ -n ${OGN_DEVICE_SERIAL} ]] ; then
for DEVICE_ID in `seq 0 ${TUNER_COUNT}` ; do
if [[ `rtl_eeprom -d ${DEVICE_ID} 2>&1 | grep -c "Serial number:\s*${OGN_DEVICE_SERIAL}$" ` -eq 1 ]] ; then
echo -e "\e[94m RTL-SDR with Serial \"${OGN_DEVICE_SERIAL}\" found at device \"${OGN_DEVICE_ID}\" and will be assigned to ${DECODER_NAME}...\e [97m"
OGN_DEVICE_ID=${DEVICE_ID}
fi
done
# If no match for this serial then assume the highest numbered tuner will be used.
if [[ -z ${OGN_DEVICE_ID} ]] ; then
echo -e "\e[94m RTL-SDR with Serial \"${OGN_DEVICE_SERIAL}\" not found, assigning device \"${TUNER_COUNT}\" to ${DECODER_NAME}...\e [97m"
OGN_DEVICE_ID=${TUNER_COUNT}
fi
# Or if a device has been specified by device ID then confirm this is currently detected.
elif [[ -n ${OGN_DEVICE_ID} ]] ; then
if [[ `rtl_eeprom -d ${OGN_DEVICE_ID} 2>&1 | grep -c "^\s*${OGN_DEVICE_ID}:\s"` -eq 1 ]] ; then
echo -e "\e[94m RTL-SDR device \"${OGN_DEVICE_ID}\" found and will be assigned to ${DECODER_NAME}...\e [97m"
# If no match for this serial then assume the highest numbered tuner will be used.
else
echo -e "\e[94m RTL-SDR device \"${OGN_DEVICE_ID}\" not found, assigning device \"${TUNER_COUNT}\" to ${DECODER_NAME}...\e [97m"
OGN_DEVICE_ID=${TUNER_COUNT}
fi
# Failing that configure it with device ID 0.
else
echo -e "\e[94m No RTL-SDR device specified, assigning device \"0\" to ${DECODER_NAME}...\e [97m"
OGN_DEVICE_ID=${TUNER_COUNT}
fi
# Single tuner present so assign device 0 and stop any other running decoders, or at least dump1090-mutablity for a default install.
elif [[ ${TUNER_COUNT} -eq 1 ]] ; then
echo -e "\e[94m Single RTL-SDR device \"0\" detected and assigned to ${DECODER_NAME}...\e [97m"
OGN_DEVICE_ID="0"
sudo /etc/init.d/dump1090-mutability stop
# No tuners present so assign device 0 and stop any other running decoders, or at least dump1090-mutablity for a default install.
elif [[ ${TUNER_COUNT} -lt 1 ]] ; then
echo -e "\e[94m No RTL-SDR device detected so ${DECODER_NAME} will be assigned device \"0\"...\e [97m"
OGN_DEVICE_ID="0"
sudo /etc/init.d/dump1090-mutability stop 2>/dev/null
fi
### CREATE THE CONFIGURATION FILE
# Check for decoder specific variable, if not set then populate with dummy values to ensure valid config generation.
if [[ -z ${OGN_WHITELIST} ]] ; then
OGN_WHITELIST="0"
fi
if [[ -z ${OGN_FREQ_CORR} ]] ; then
OGN_FREQ_CORR="0"
fi
if [[ -z ${OGN_GSM_FREQ} ]] ; then
OGN_GSM_FREQ="957.800"
fi
if [[ -z ${OGN_GSM_GAIN} ]] ; then
OGN_GSM_GAIN="35"
fi
# Use receiver coordinates if already know, otherwise populate with dummy values to ensure valid config generation.
if [[ -z ${OGN_LATITUDE} ]] ; then
if [[ -n ${RECEIVER_LATITUDE} ]] ; then
OGN_LATITUDE="${RECEIVER_LATITUDE}"
else
OGN_LATITUDE="0.0000000"
fi
fi
if [[ -z ${OGN_LONGITUDE} ]] ; then
if [[ -n ${RECEIVER_LONGITUDE} ]] ; then
OGN_LONGITUDE="${RECEIVER_LONGITUDE}"
else
OGN_LONGITUDE="0.0000000"
fi
fi
if [[ -z ${OGN_ALTITUDE} ]] ; then
if [[ -n ${RECIEVER_ALTITUDE} ]] ; then
OGN_ALTITUDE="${RECIEVER_ALTITUDE}"
else
OGN_ALTITUDE="0"
fi
fi
# Geoid separation: FLARM transmits GPS altitude, APRS uses means Sea level altitude
# To find value you can check: http://geographiclib.sourceforge.net/cgi-bin/GeoidEval
# Need to derive from co-ords but will set to altitude as a placeholders
if [[ -z ${OGN_GEOID} ]] ; then
if [[ -n ${RECIEVER_ALTITUDE} ]] ; then
OGN_GEOID="${RECIEVER_ALTITUDE}"
else
OGN_GEOID="0"
fi
fi
# Callsign should be between 3 and 9 alphanumeric charactors, with no punctuation
# Please see: http://wiki.glidernet.org/receiver-naming-convention
if [[ -z ${OGN_RECEIVER_NAME} ]] ; then
if [[ -n ${RECEIVERNAME} ]] ; then
OGN_RECEIVER_NAME=`echo ${RECEIVERNAME} | tr -cd '[:alnum:]' | cut -c -9`
else
OGN_RECEIVER_NAME=`hostname -s | tr -cd '[:alnum:]' | cut -c -9`
fi
fi
# Test if config file exists, if not create it.
if [[ -s ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn/${OGN_RECEIVER_NAME}.conf ]] ; then
echo -e "\e[94m Using existing ${DECODER_NAME} config file \"${OGN_RECEIVER_NAME}.conf\"...\e [97m"
else
echo -e "\e[94m Generating new ${DECODER_NAME} config file as \"${OGN_RECEIVER_NAME}.conf\"...\e [97m"
sudo tee ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn/${OGN_RECEIVER_NAME}.conf > /dev/null <<EOF
###########################################################################################
# #
# CONFIGURATION FILE BASED ON http://wiki.glidernet.org/wiki:receiver-config-file #
# #
###########################################################################################
#
RF:
{
FreqCorr = ${OGN_FREQ_CORR}; # [ppm] Some R820T sticks have 40-80ppm correction factors, measure it with gsm_scan
Device = ${OGN_DEVICE_ID}; # Device index of the USB RTL-SDR device to be selected
# DeviceSerial = ${OGN_DEVICE_SERIAL}; # char[12] Serial number of the USB RTL-SDR device to be selected
GSM:
{
CenterFreq = ${OGN_GSM_FREQ}; # [MHz] Fnd the best GSM frequency with gsm_scan
Gain = ${OGN_GSM_GAIN}; # [0.1 dB] RF input gain for frequency calibration (beware that GSM signals are very strong)
} ;
} ;
#
Position:
{
Latitude = ${OGN_LATITUDE}; # [deg] Antenna coordinates in decimal degrees
Longitude = ${OGN_LONGITUDE}; # [deg] Antenna coordinates in decimal degrees
Altitude = ${OGN_ALTITUDE}; # [m] Altitude above sea leavel
GeoidSepar = ${OGN_GEOID}; # [m] Geoid separation: FLARM transmits GPS altitude, APRS uses means Sea level altitude
} ;
#
APRS:
{
Call = "${OGN_RECEIVER_NAME}"; # APRS callsign (max. 9 characters)
} ;
#
DDB:
{
UseAsWhitelist = ${OGN_WHITELIST}; # [0|1] Setting to 1 enforces strict opt in
} ;
#
EOF
# Update ownership of new config file.
chown pi:pi ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn/${OGN_RECEIVER_NAME}.conf
fi
### INSTALL AS A SERVICE
DECODER_SERVICE_SCRIPT="/etc/init.d/rtlsdr-ogn"
DECODER_SERVICE_CONFIG="/etc/rtlsdr-ogn.conf"
echo -e "\033[33m Downloading and setting permissions on the service script..."
echo -e "\033[37m"
sudo curl http://download.glidernet.org/common/service/rtlsdr-ogn -o ${DECODER_SERVICE_SCRIPT}
sudo chmod +x ${DECODER_SERVICE_SCRIPT}
echo -e "\033[33m Creating service config file \"${DECODER_SERVICE_CONFIG}\"..."
echo -e "\033[37m"
sudo tee ${DECODER_SERVICE_CONFIG} > /dev/null <<EOF
#shellbox configuration file
#Starts commands inside a "box" with a telnet-like server.
#Contact the shell with: telnet <hostname> <port>
#Syntax:
#port user directory command args
50000 pi ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn ./ogn-rf ${OGN_RECEIVER_NAME}.conf
50001 pi ${BUILDDIRECTORY_RTLSDROGN}/rtlsdr-ogn ./ogn-decode ${OGN_RECEIVER_NAME}.conf
EOF
if [[ ${TUNER_COUNT} -lt 2 ]] ; then
# Less than 2 tuners present so we must stop the dump1090-mutability before starting this decoder.
echo -en "\033[33m Less than 2 RTL-SDR devices present so dump1090-mutability service will be disabled..."
sudo update-rc.d dump1090-mutability disable 2>/dev/null
echo -e "\t\e[92m [Done]\e[39m\n"
fi
echo -en "\033[33m Configuring ${DECODER_NAME} as a service..."
sudo update-rc.d rtlsdr-ogn defaults 2>&1 >/dev/null
echo -e "\t\e[92m [Done]\e[39m\n"
echo -en "\033[33m Starting the ${DECODER_NAME} service..."
sudo service rtlsdr-ogn start
echo -e "\t\e[92m [Done]\e[39m\n"
### ARCHIVE SETUP PACKAGES
### SETUP COMPLETE
# Return to the project root directory.
echo -e "\e[94m Entering the ${ADSB_PROJECTTITLE} root directory...\e[97m"
cd ${PROJECT_ROOT_DIRECTORY}
echo -e ""
echo -e "\e[93m-------------------------------------------------------------------------------------------------------"
echo -e "\e[92m ${DECODER_NAME} setup is complete.\e[39m"
echo -e ""
if [[ ! -z ${VERBOSE} ]] ; then
read -p "Press enter to continue..." CONTINUE
fi
exit 0
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