# dump1090-mutability configuration file
# This is a POSIX shell fragment.
# You can edit this file directly, or use
# "dpkg-reconfigure dump1090-mutability"

# Set to "yes" to start dump1090 on boot.
START_DUMP1090="yes"

# User to run dump1090 as.
DUMP1090_USER="dump1090"

# Logfile to log to
LOGFILE="/var/log/dump1090-mutability.log"

#
# Receiver options
#

# RTLSDR device index or serial number to use
# If set to "none", dump1090 will be started in --net-only mode
DEVICE=""

# RTLSDR gain in dB.
# If set to "max" (the default) the maximum supported gain is used.
# If set to "agc", the tuner AGC is used to set the gain.
GAIN="max"

# RTLSDR frequency correction in PPM
PPM="0"

# If yes, enable sampling at 2.4MHz. Otherwise, 2.0MHz is used.
OVERSAMPLE="yes"

# If yes, enables phase-enhancement of messages
PHASE_ENHANCE="yes"

#
# Decoding options
#

# If yes, fixes messages with correctable CRC errors.
FIX_CRC="yes"

# If yes, enables aggressive fixes to damaged messages.
# Use with caution - it can increase the rate of undetected errors.
AGGRESSIVE="no"

# If set, supplies a reference location for local position decoding.
LATLONFILE=/var/lib/dump1090/latlon
if [ -e $LATLONFILE ]; then
	LAT=$(sed -n '1p' < $LATLONFILE)
	LON=$(sed -n '2p' < $LATLONFILE)
else 
	LAT=""
	LON=""
fi

# If set, provides the absolute maximum receiver range used to
# filter bad position reports, and to determine when local position
# decoding is safe to use. Specify this in nautical miles (NM).
MAX_RANGE="300"

#
# Networking options
#

# Port to listen on for HTTP connections. 0 disables.
# HTTP defaults to being disabled unless you specify something here. I 
# that you do not enable this, and instead serve the contents of
# /usr/share/dump1090-mutability and JSON_DIR (below) using a proper
# webserver. See /etc/lighttpd/conf-available/90-dump1090.conf
# for an example configuration ("sudo lighty-enable-mod dump1090" to enable)
HTTP_PORT="0"

# Port to listen on for raw (AVR-format) input connections. 0 disables.
RAW_INPUT_PORT="30001"

# Port to listen on for raw (AVR-format) output connections. 0 disables.
RAW_OUTPUT_PORT="30002"

# Port to listen on for SBS-format output connections. 0 disables.
SBS_OUTPUT_PORT="30003"

# Port to listen on for Beast-format input connections. 0 disables.
BEAST_INPUT_PORT="30004"

# Port to listen on for Beast-format output connections. 0 disables.
BEAST_OUTPUT_PORT="30005"

# Port to listen on for FATSV-format output connections. 0 disables.
FATSV_OUTPUT_PORT="10001"

# TCP heartbeat interval in seconds. 0 disables.
NET_HEARTBEAT="60"

# Minimum output buffer size per write, in bytes.
NET_OUTPUT_SIZE="500"

# Maximum buffering time before writing, in seconds.
NET_OUTPUT_INTERVAL="1"

# TCP buffer size, in bytes
NET_BUFFER="262144"

# Bind ports on a particular address. If unset, binds to all interfaces.
# This defaults to binding to localhost. If you need to allow remote
# connections, change this.
NET_BIND_ADDRESS="127.0.0.1"

#
# Misc options
#

# Interval (in seconds) between logging stats to the logfile. 0 disables.
STATS_INTERVAL="3600"

# Path to write json state to (for use with an external webserver). Blank disables.
JSON_DIR="/run/dump1090-mutability"

# Interval between writing json state (in seconds). 0 disables.
JSON_INTERVAL="1"

# Accuracy of receiver location to write to json state, one of "exact" / "approximate" / "none"
JSON_LOCATION_ACCURACY="approximate"

# Set to yes to log all decoded messages
# This can get large fast!
LOG_DECODED_MESSAGES="no"

# Additional options that are passed to the Daemon.
EXTRA_ARGS=""