kopia lustrzana https://github.com/jprochazka/adsb-receiver
190 wiersze
8.4 KiB
Bash
Executable File
190 wiersze
8.4 KiB
Bash
Executable File
#!/bin/bash
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#####################################################################################
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# ADS-B RECEIVER #
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#####################################################################################
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# #
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# This script is not meant to be executed directly. #
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# Instead execute install.sh to begin the installation process. #
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# #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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# #
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# Copyright (c) 2016-2017, Joseph A. Prochazka & Romeo Golf #
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# #
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# Permission is hereby granted, free of charge, to any person obtaining a copy #
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# of this software and associated documentation files (the "Software"), to deal #
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# in the Software without restriction, including without limitation the rights #
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell #
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# copies of the Software, and to permit persons to whom the Software is #
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# furnished to do so, subject to the following conditions: #
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# #
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# The above copyright notice and this permission notice shall be included in all #
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# copies or substantial portions of the Software. #
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# #
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR #
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, #
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE #
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER #
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, #
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE #
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# SOFTWARE. #
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# #
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# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
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#################################################################################
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# Detect if a package is installed and if not attempt to install it.
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function CheckPackage {
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ATTEMPT=1
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MAXATTEMPTS=5
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WAITTIME=5
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while (( ${ATTEMPT} -le `(($MAXATTEMPTS + 1))` )); do
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# If the maximum attempts has been reached...
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if [[ "${ATTEMPT}" -gt "${MAXATTEMPTS}" ]] ; then
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echo -e ""
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echo -e "\e[91m \e[5mINSTALLATION HALTED!\e[25m"
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echo -e " UNABLE TO INSTALL A REQUIRED PACKAGE."
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echo -e " SETUP HAS BEEN TERMINATED!"
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echo -e ""
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echo -e "\e[93mThe package \"$1\" could not be installed in ${MAXATTEMPTS} attempts.\e[39m"
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echo -e ""
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exit 1
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fi
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# Check if the package is already installed.
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printf "\e[94m Checking if the package $1 is installed..."
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if [[ $(dpkg-query -W -f='${STATUS}' $1 2>/dev/null | grep -c "ok installed") -eq 0 ]] ; then
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# If this is not the first attempt at installing this package...
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if [[ ${ATTEMPT} -gt 1 ]] ; then
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echo -e "\e[91m \e[5m[INSTALLATION ATTEMPT FAILED]\e[25m"
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echo -e "\e[94m Attempting to Install the package $1 again in ${WAITTIME} seconds (ATTEMPT ${ATTEMPT} OF ${MAXATTEMPTS})..."
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sleep ${WAITTIME}
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else
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echo -e "\e[91m [NOT INSTALLED]"
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echo -e "\e[94m Installing the package $1..."
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fi
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# Attempt to install the required package.
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echo -e "\e[97m"
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ATTEMPT=$((ATTEMPT+1))
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sudo apt-get install -y $1
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echo -e "\e[39m"
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else
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# The package appears to be installed.
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echo -e "\e[92m [OK]\e[39m"
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break
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fi
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done
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}
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#################################################################################
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# Change a setting in a configuration file.
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# The function expects 3 parameters to be passed to it in the following order.
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# ChangeConfig KEY VALUE FILE
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function ChangeSwitch {
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# Use sed to locate the "SWITCH" then replace the "VALUE", the portion after the equals sign, in the specified "FILE".
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# This function wil replace the value assigned to a specific swith contained within a file.
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sudo sed -i -re "s/($1)\s+\w+/\1 $2/g" $3
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}
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function ChangeConfig {
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# Use sed to locate the "KEY" then replace the "VALUE", the portion after the equals sign, in the specified "FILE".
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# This function should work with any configuration file with settings formated as KEY="VALUE".
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sudo sed -i -e "s/\($1 *= *\).*/\1\"$2\"/" $3
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}
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function GetConfig {
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# Use sed to locate the "KEY" then read the "VALUE", the portion after the equals sign, in the specified "FILE".
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# This function should work with any configuration file with settings formated as KEY="VALUE".
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echo `sed -n "/^$1 *= *\"\(.*\)\"$/s//\1/p" $2`
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}
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function CommentConfig {
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if [[ ! `grep -cFx "#${1}" $2` -gt 0 ]] ; then
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# Use sed to locate the "KEY" then comment out the line containing it in the specified "FILE".
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sudo sed -i "/${1}/ s/^/#/" $2
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fi
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}
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function UncommentConfig {
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if [[ `grep -cFx "#${1}" $2` -gt 0 ]] ; then
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# Use sed to locate the "KEY" then uncomment the line containing it in the specified "FILE".
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sudo sed -i "/#${1}*/ s/#*//" $2
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fi
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}
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#################################################################################
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# The following function is used to clean up the log files by removing
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# any color escaping sequences from the log file so it is easier to read.
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# There are other lines not needed which can be removed as well.
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function CleanLogFile {
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# Use sed to remove any color sequences from the specified "FILE".
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sed -i "s,\x1B\[[0-9;]*[a-zA-Z],,g" $1
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# Remove the "Press enter to continue..." lines from the log file.
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sed -i "/Press enter to continue.../d" $1
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}
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#################################################################################
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# Detect CPU Architecture.
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function Check_CPU () {
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if [[ -z "${CPU_ARCHITECTURE}" ]] ; then
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echo -en "\e[94m Detecting CPU architecture...\e[97m"
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export CPU_ARCHITECTURE=`uname -m | tr -d "\n\r"`
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fi
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}
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#################################################################################
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# Detect Platform.
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function Check_Platform () {
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if [[ -z "${HARDWARE_PLATFORM}" ]] ; then
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echo -en "\e[94m Detecting hardware platform...\e[97m"
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if [[ `egrep -c "^Hardware.*: BCM" /proc/cpuinfo` -gt 0 ]] ; then
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export HARDWARE_PLATFORM="RPI"
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elif [[ `egrep -c "^Hardware.*: Allwinner sun4i/sun5i Families$" /proc/cpuinfo` -gt 0 ]] ; then
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export HARDWARE_PLATFORM="CHIP"
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else
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export HARDWARE_PLATFORM="unknown"
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fi
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fi
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}
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#################################################################################
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# Detect Hardware Revision.
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function Check_Hardware () {
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if [[ -z "${HARDWARE_REVISION}" ]] ; then
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echo -en "\e[94m Detecting Hardware revision...\e[97m"
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export HARDWARE_REVISION=`grep "^Revision" /proc/cpuinfo | awk '{print $3}'`
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fi
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}
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#################################################################################
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# Blacklist DVB-T drivers for RTL-SDR devices.
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function BlacklistModules {
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if [[ ! -f /etc/modprobe.d/rtlsdr-blacklist.conf ]] || [[ `cat /etc/modprobe.d/rtlsdr-blacklist.conf | wc -l` -lt 9 ]] ; then
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echo -en "\e[94m Installing blacklist to prevent unwanted kernel modules from being loaded...\e[97m"
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sudo tee ${RECEIVER_KERNEL_MODULE_BLACKLIST} > /dev/null <<EOF
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blacklist dvb_usb_v2
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blacklist dvb_usb_rtl28xxu
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blacklist dvb_usb_rtl2830u
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blacklist dvb_usb_rtl2832u
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blacklist rtl_2830
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blacklist rtl_2832
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blacklist r820t
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blacklist rtl2830
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blacklist rtl2832
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EOF
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else
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echo -en "\e[94m Kernel module blacklist already installed...\e[97m"
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fi
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}
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