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adsb-receiver/bash/decoders/dump978.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) 2015-2016 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
PROJECTROOTDIRECTORY="$PWD"
BASHDIRECTORY="$PROJECTROOTDIRECTORY/bash"
BUILDDIRECTORY="$PROJECTROOTDIRECTORY/build"
DUMP978BUILDDIRECTORY="$BUILDDIRECTORY/dump978"
### INCLUDE EXTERNAL SCRIPTS
source $BASHDIRECTORY/variables.sh
source $BASHDIRECTORY/functions.sh
### BEGIN SETUP
clear
echo -e "\n\e[91m $ADSB_PROJECTTITLE"
echo ""
echo -e "\e[92m Setting up dump978..."
echo -e "\e[93m----------------------------------------------------------------------------------------------------\e[96m"
echo ""
whiptail --backtitle "$ADSB_PROJECTTITLE" --title "Dump1090-mutability Setup" --yesno "Dump978 is an experimental demodulator/decoder for 978MHz UAT signals.\n\n https://github.com/mutability/dump978\n\nWould you like to continue setup by installing dump978?" 9 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 ""
echo -e "\e[93m-------------------------------------------------------------------------------------------------------"
echo -e "\e[92m Dump978 setup halted.\e[39m"
echo ""
read -p "Press enter to continue..." CONTINUE
exit 1
fi
## CHECK FOR PREREQUISITE PACKAGES
echo -e "\e[95m Installing packages needed to build and fulfill dependencies...\e[97m"
echo ""
CheckPackage git
CheckPackage make
CheckPackage rtl-sdr
CheckPackage librtlsdr-dev
CheckPackage libusb-1.0-0-dev
CheckPackage gcc
CheckPackage netcat
CheckPackage lighttpd
## DOWNLOAD THE DUMP978 SOURCE CODE
echo ""
echo -e "\e[95m Preparing the dump978 Git repository...\e[97m"
echo ""
# Remove the existing dumpp978 build directory if it exists.
if [ -d $DUMP978BUILDDIRECTORY ]; then
# Delete the current dump978 build directory if it already exists.
echo -e "\e[94m Deleting the existing dump978 Git repository directory...\e[97m"
rm -rf $DUMP978BUILDDIRECTORY
fi
# Clone the dump978 Git repository.
echo -e "\e[94m Entering the ADS-B Receiver Project build directory...\e[97m"
cd $BUILDDIRECTORY
echo -e "\e[94m Cloning the dump978 Git repository locally...\e[97m"
echo ""
git clone https://github.com/mutability/dump978.git
## BUILD THE DUMP978 BINARIES
echo ""
echo -e "\e[95m Building the dump978 binaries...\e[97m"
echo ""
if [ ! $PWD = $DUMP978BUILDDIRECTORY ]; then
echo -e "\e[94m Entering the dump978 Git repository directory...\e[97m"
cd $DUMP978BUILDDIRECTORY
fi
echo -e "\e[94m Building the dump978 binaries...\e[97m"
echo ""
make all
echo ""
# Check that the dump978 binaries were built.
echo -e "\e[94m Checking that the dump978 binaries were built...\e[97m"
if [ ! -f $DUMP978BUILDDIRECTORY/dump978 ] || [ ! -f $DUMP978BUILDDIRECTORY/uat2esnt ] || [ ! -f $DUMP978BUILDDIRECTORY/uat2json ] || [ ! -f $DUMP978BUILDDIRECTORY/uat2text ]; then
# If the dump978 binaries could not be found halt setup.
echo ""
echo -e "\e[91m \e[5mINSTALLATION HALTED!\e[25m"
echo -e " UNABLE TO LOCATE THE DUMP978 BINARIES."
echo -e " SETUP HAS BEEN TERMINATED!"
echo ""
echo -e "\e[93mThe dump978 binaries appear to have not been built successfully..\e[39m"
echo ""
echo -e "\e[93m-------------------------------------------------------------------------------------------------------"
echo -e "\e[92m Dump978 setup halted.\e[39m"
echo ""
read -p "Press enter to continue..." CONTINUE
exit 1
fi
## SETUP AND CONFIGURE THE DEVICE TO UTILIZE THE DDUMP978 BINARIES
echo ""
echo -e "\e[95m Configuring the device to utilize the dump978 binaries...\e[97m"
echo ""
# Create an RTL-SDR blacklist file so the device does not claim SDR's for other purposes.
echo -e "\e[94m Creating an RTL-SDR kernel module blacklist file...\e[97m"
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
EOF
echo -e "\e[94m Removing the kernel module dvb_usb_rtl28xxu...\e[97m"
echo ""
sudo rmmod dvb_usb_rtl28xxu
echo ""
# Check if the dump1090-mutability package is installed.
echo -e "\e[94m Checking if the dump1090-mutability package is installed...\e[97m"
if [ $(dpkg-query -W -f='${STATUS}' dump1090-mutability 2>/dev/null | grep -c "ok installed") -eq 1 ]; then
# The dump1090-mutability package appear to be installed.
whiptail --backtitle "$ADSB_PROJECTTITLE" --title "RTL-SDR Dongle Assignments" --msgbox "It appears the dump1090-mutability package is installed on this device. In order to run dump978 in tandem with dump1090-mutability you will need to specifiy which RTL-SDR dongle each decoder is to use.\n\nKeep in mind in order to run both decoders on a single device you will need to have two separate RTL-SDR devices connected to your device." 12 78
DUMP1090DEVICE_TITLE="Dump1090 RTL-SDR Dongle"
while [[ -z $DUMP1090DEVICE ]]; do
DUMP1090DEVICE=$(whiptail --backtitle "$ADSB_PROJECTTITLE" --title "$DUMP1090DEVICE_TITLE" --nocancel --inputbox "\nEnter the ID for your dump1090 RTL-SDR dongle." 8 78 3>&1 1>&2 2>&3)
DUMP1090DEVICE_TITLE="Dump1090 RTL-SDR Dongle (REQUIRED)"
done
DUMP978DEVICE_TITLE="Dump978 RTL-SDR Dongle"
while [[ -z $DUMP978DEVICE ]]; do
DUMP978DEVICE=$(whiptail --backtitle "$ADSB_PROJECTTITLE" --title "$DUMP978DEVICE_TITLE" --nocancel --inputbox "\nEnter the ID for your dump978 RTL-SDR dongle." 8 78 3>&1 1>&2 2>&3)
DUMP978DEVICE_TITLE="Dump978 RTL-SDR Dongle (REQUIRED)"
done
# Assign the specified RTL-SDR dongle to dump1090-mutability.
echo -e "\e[94m Assigning RTL-SDR dongle \"$DUMP1090DEVICE\" to dump1090-mutability...\e[97m"
ChangeConfig "DEVICE" $DUMP1090DEVICE "/etc/default/dump1090-mutability"
echo -e "\e[94m Restarting dump1090-mutability...\e[97m"
echo ""
sudo /etc/init.d/dump1090-mutability restart
echo ""
# Get the latitude and longitude set in the dump1090-mutability configuration file to be used later.
echo -e "\e[94m Retrieving the receiver's latitude from /etc/default/dump1090-mutability...\e[97m"
RECEIVERLATITUDE=`GetConfig "LAT" "/etc/default/dump1090-mutability"`
echo -e "\e[94m Retrieving the receiver's longitude from /etc/default/dump1090-mutability...\e[97m"
RECIEVERLONGITUDE=`GetConfig "LON" "/etc/default/dump1090-mutability"`
fi
# If a device has not yet been assigned to dump978 assign the first available.
if [ -z $DUMP978DEVICE ]; then
echo -e "\e[94m Assigning RTL-SDR dongle \"0\" to dump978...\e[97m"
DUMP978DEVICE="0"
fi
# Declare the LIGHTTPDDOCUMENTROOTDIRECTORY variable.
echo -e "\e[94m Getting the path to Lighttpd's document root...\e[97m"
LIGHTTPDDOCUMENTROOTSETTING=`/usr/sbin/lighttpd -f /etc/lighttpd/lighttpd.conf -p | grep server.document-root`
LIGHTTPDDOCUMENTROOTDIRECTORY=`sed 's/.*"\(.*\)"[^"]*$/\1/' <<< $LIGHTTPDDOCUMENTROOTSETTING`
# Set the receivers latitude and longitude.
if [ -z $RECEIVERLATITUDE ] && [ -z $RECEIVERLONGITUDE ]; then
# If dump1090-mutability is not installed ask for the latitude and longitude of this receiver.
RECEIVERLATITUDE=$(whiptail --backtitle "$ADSB_PROJECTTITLE" --title "Receiver Latitude (OPTIONAL)" --nocancel --inputbox "\nEnter your receiver's latitude.\n(Example: XX.XXXXXXX)\n\nLeave blank and select <Ok> to skip." 12 78 3>&1 1>&2 2>&3)
RECEIVERLONGITUDE_TITLE="Receiver Longitude"
while [[ -z $RECEIVERLONGITUDE ]]; do
RECEIVERLONGITUDE=$(whiptail --backtitle "$ADSB_PROJECTTITLE" --title "$RECEIVERLONGITUDE_TITLE" --nocancel --inputbox "\nEnter your receeiver's longitude.\n(Example: XX.XXXXXXX)" 9 78 3>&1 1>&2 2>&3)
RECEIVERLONGITUDE_TITLE="Receiver Longitude (REQUIRED)"
done
fi
if [ ! -z $RECEIVERLATITUDE ] && [ ! -z $RECEIVERLONGITUDE ]; then
echo -e "\e[94m Setting the receiver's latitude to $RECEIVERLATITUDE...\e[97m"
ChangeConfig "SiteLat" "$RECEIVERLATITUDE" "$LIGHTTPDDOCUMENTROOTDIRECTORY/dump978/config.js"
echo -e "\e[94m Setting the receiver's longitude to $RECEIVERLONGITUDE...\e[97m"
ChangeConfig "SiteLon" "$RECEIVERLONGITUDE" "$LIGHTTPDDOCUMENTROOTDIRECTORY/dump978/config.js"
fi
# Create the dump978 JSON directory in Lighttpd's document root.
echo -e "\e[94m Creating the dump978 JSON data directory within Lighttpd's document root...\e[97m"
sudo mkdir -p $LIGHTTPDDOCUMENTROOTDIRECTORY/dump978/data
echo -e "\e[94m Setting permissions for the dump978 JSON data directory within Lighttpd's document root...\e[97m"
sudo chmod +w $LIGHTTPDDOCUMENTROOTDIRECTORY/dump978/data
# Create the dump978 maintenance script.
echo -e "\e[94m Creating the dump978 maintenance script...\e[97m"
tee $DUMP978BUILDDIRECTORY/dump978-maint.sh > /dev/null <<EOF
#! /bin/bash
# Start dump978 without logging.
while true; do
rtl_sdr -d $DUMP978DEVICE -f 978000000 -s 2083334 -g 48 - | $DUMP978BUILDDIRECTORY/dump978 | tee >($DUMP978BUILDDIRECTORY/uat2json $LIGHTTPDDOCUMENTROOTDIRECTORY/dump978/data) | $DUMP978BUILDDIRECTORY/uat2esnt | /bin/nc -q1 127.0.0.1 30001
sleep 15
done
EOF
echo -e "\e[94m Setting permissions on the dump978 maintenance script...\e[97m"
chmod +x $DUMP978BUILDDIRECTORY/dump978-maint.sh
# Add the dump978 maintenance script to /etc/rc.local.
echo -e "\e[94m Checking if the file /etc/rc.local is already set to execute the dump978 maintenance script...\e[97m"
if ! grep -Fxq "$DUMP978BUILDDIRECTORY/dump978-maint.sh &" /etc/rc.local; then
echo -e "\e[94m Adding a line to execute the dump978 maintenance script to the file /etc/rc.local...\e[97m"
LINENUMBER=($(sed -n '/exit 0/=' /etc/rc.local))
((LINENUMBER>0)) && sudo sed -i "${LINENUMBER[$((${#LINENUMBER[@]}-1))]}i ${DUMP978BUILDDIRECTORY}/dump978-maint.sh &\n" /etc/rc.local
fi
## EXECUTE THE MAINTAINANCE SCRIPT TO START DUMP978
echo ""
echo -e "\e[95m Starting dump978...\e[97m"
echo ""
echo -e "\e[94m Starting dump978 by executing the dump978 maintenance script...\e[97m"
sudo nohup $DUMP978BUILDDIRECTORY/dump978-maint.sh > /dev/null 2>&1 &
## DUMP978 SETUP COMPLETE
# Enter into the project root directory.
echo -e "\e[94m Entering the ADS-B Receiver Project root directory...\e[97m"
cd $PROJECTROOTDIRECTORY
echo ""
echo -e "\e[93m-------------------------------------------------------------------------------------------------------"
echo -e "\e[92m Dump978 setup is complete.\e[39m"
echo ""
read -p "Press enter to continue..." CONTINUE
exit 0
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