mirror of
https://github.com/sdr-enthusiasts/docker-adsb-ultrafeeder.git
synced 2024-11-28 16:50:10 +00:00
removed autogain as it is now part of the tar1090 build container. (Functionality stays on par)
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kx1t
parent
effbfc856a
commit
412568ffe0
2 changed files with 0 additions and 194 deletions
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#!/usr/bin/with-contenv bash
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# shellcheck shell=bash disable=SC2076
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# Autogain routine
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#
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# Relevant env variables:
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# READSB_GAIN: set to "autogain" to enable autogain
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# READSB_AUTOGAIN_INITIAL_INTERVAL: time in seconds to run autogain during initial assessment period; 300 if omitted
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# READSB_AUTOGAIN_SUBSEQUENT_INTERVAL: time in seconds to run autogain during initial assessment period; 86400 (=1 day) if omitted
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# Command to restart autogain: docker exec -it tar1090 /usr/local/bin/autogain1090 reset
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READSB_AUTOGAIN_INITIAL_INTERVAL="${READSB_AUTOGAIN_INITIAL_INTERVAL:-300}"
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READSB_AUTOGAIN_SUBSEQUENT_INTERVAL="${READSB_AUTOGAIN_SUBSEQUENT_INTERVAL:-86400}"
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READSB_AUTOGAIN_INITIAL_TIMEPERIOD="${READSB_AUTOGAIN_INITIAL_TIMEPERIOD:-7200}"
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if [[ "${READSB_GAIN,,}" != "autogain" ]]; then
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# Autogain is not enabled, so let's do nothing forever
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sleep infinity
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fi
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if [[ "${READSB_DEVICE_TYPE,,}" != "rtlsdr" ]] || [[ -z "${READSB_RTLSDR_DEVICE}" ]]; then
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echo "[autogain] ERROR: AUTOGAIN enabled but READSB_DEVICE_TYPE is not \"rtlsdr\" or READSB_RTLSDR_DEVICE serial number not defined. Autogain disabled."
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sleep infinity
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fi
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mkdir -p /var/globe_history/autogain
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# Do special things if it's the first time AUTOGAIN is running
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if [[ ! -f /var/globe_history/autogain/autogain_initialized ]]; then
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# run autogain every $READSB_AUTOGAIN_INITIAL_INTERVAL secs (default 5 mins) for $READSB_AUTOGAIN_INITIAL_TIMEPERIOD secs (default 2 hours)
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for (( i=0; i<$(( READSB_AUTOGAIN_INITIAL_TIMEPERIOD / READSB_AUTOGAIN_INITIAL_INTERVAL )); i++ ))
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do
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sleep "$READSB_AUTOGAIN_INITIAL_INTERVAL" # sleep first to give readsb the opportunity to collect some initial data
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/usr/local/bin/autogain1090 2>&1 | mawk -W Interactive '{print "[autogain] " $0}'
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done
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touch /var/globe_history/autogain/autogain_initialized
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fi
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while true
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do
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sleep "$READSB_AUTOGAIN_SUBSEQUENT_INTERVAL"
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/usr/local/bin/autogain1090 2>&1 | mawk -W Interactive '{print "[autogain] " $0}'
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done
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#!/usr/bin/with-contenv bash
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# shellcheck shell=bash
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low="${READSB_AUTOGAIN_LOW_PCT:-2.5}"
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high="${READSB_AUTOGAIN_HIGH_PCT:-6.0}"
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ga=(0.0 0.9 1.4 2.7 3.7 7.7 8.7 12.5 14.4 15.7 16.6 19.7 20.7 22.9 25.4 28.0 29.7 32.8 33.8 36.4 37.2 38.6 40.2 42.1 43.4 43.9 44.5 48.0 49.6 -10)
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tmp=/var/globe_history/autogain
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mkdir -p $tmp
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mkdir -p /var/globe_history/autogain
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#work around stupid locale stuff
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export LC_ALL=C
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APP=dump1090-fa
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if [[ -f /run/dump1090-fa/stats.json ]]; then
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APP=dump1090-fa
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elif [[ -f /run/readsb/stats.json ]]; then
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APP=readsb
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fi
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stats=/run/$APP/stats.json
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if [[ "$1" == "reset" ]]; then
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echo "Reset AutoGain - restarting with initial values and initialization process"
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rm -f /var/globe_history/autogain/* >/dev/null 2>&1
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pkill -f "s6-supervise autogain"
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exit 0
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fi
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if ! [[ -f $stats ]]; then echo "stats.json not found, is the decoder running?"; exit 1; fi
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oldstrong=$(cat $tmp/strong 2>/dev/null)
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oldtotal=$(cat $tmp/total 2>/dev/null)
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if [[ -z $oldstrong ]] || [[ -z $oldtotal ]]; then
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oldstrong=0
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oldtotal=0
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fi
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if ! grep -qs total $stats | grep -qs -e strong_signals $stats; then
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echo "the decoder doesn't seem to be using an rtl-sdr device, can't help with that."
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exit 1
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fi
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# start=$(jq '.total.start' < $stats)
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# end=$(jq '.total.end' < $stats)
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strong=$(jq '.total.local.strong_signals' < $stats | tee $tmp/strong)
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total=$(jq '.total.local.accepted | add' < $stats | tee $tmp/total)
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if [[ -z $strong ]] || [[ -z $total ]]; then
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echo "unrecognized format: $stats"
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exit 1
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fi
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if ! awk "BEGIN{ exit ($total < 1000) }"; then
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echo "The decoder hasn't been running long enough, wait a bit!"
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exit 0
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fi
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if (( oldtotal > total )) || (( oldstrong > strong )) || (( oldtotal == total )); then
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oldstrong=0
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oldtotal=0
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fi
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strong=$((strong - oldstrong))
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total=$((total - oldtotal))
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if [[ $total == 0 ]]; then
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percent=0
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else
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percent=$(awk "BEGIN {printf \"%.3f\", $strong * 100 / $total}")
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fi
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strong=$percent
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if [[ $strong == "nan" ]]; then echo "Error, can't automatically adjust gain!"; exit 1; fi
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# Get the gain -- updated for docker-tar1090 use by kx1t
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if [[ ! -f /var/globe_history/autogain/gain ]]; then
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oldgain="49.6"
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echo "Initial run. Starting point for adjusting gain is $oldgain"
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else
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read -r oldgain < /var/globe_history/autogain/gain
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oldgain="${oldgain:-49.6}" # needed for stupidity reasons
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fi
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gain_index=28
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for i in "${!ga[@]}"; do
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if ! awk "BEGIN{ exit (${oldgain} <= ${ga[$i]}) }"; then
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gain_index="${i}"
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break
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fi
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done
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if ! awk "BEGIN{ exit (${oldgain} > 49.6) }"; then
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gain_index=28
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fi
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if [[ "$oldgain" == "-10" ]]; then
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gain_index=28
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fi
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if ! awk "BEGIN{ exit ($strong > $low) }" && ! awk "BEGIN{ exit ($strong < $high) }"; then
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echo "No gain change needed, ${strong}% percentage of messages >-3dB is in nominal range. (${low}% < ${strong}% < ${high}%)"
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exit 0
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fi
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if ! awk "BEGIN{ exit ($strong < $low) }" && [[ $gain_index == 28 ]]; then
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echo "Could have used some more gain, but gain is already at maximum! Strong (>-3dB) messages ${strong}% < ${low}%"
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exit 0
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fi
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if ! awk "BEGIN{ exit ($strong < $low) }"; then
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gain_index=$((gain_index+1))
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action=Increasing
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fi
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if ! awk "BEGIN{ exit ($strong > $high) }" && [[ $gain_index == 0 ]]; then
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echo "Could have used some lower gain, but gain already at minimum! Strong (>-3dB) messages ${strong}% > ${high}%"
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exit 0
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fi
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if ! awk "BEGIN{ exit ($strong > $high) }"; then
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gain_index=$((gain_index-1))
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action=Decreasing
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fi
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gain="${ga[$gain_index]}"
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if [[ $gain == "" ]] || [[ $gain == "-10" ]]; then
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echo "Could have used some more gain, but gain is already at maximum! Strong (>-3dB) messages ${strong}% < ${low}%"
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exit 0
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fi
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# Set the gain -- updated for docker-tar1090 use by kx1t
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echo "$gain" > /var/globe_history/autogain/gain
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pkill readsb
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#reset numbers
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echo 0 > $tmp/strong
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echo 0 > $tmp/total
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if [[ "$action" == "Increasing" ]]; then
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echo "Increasing gain to $gain (${strong}% messages >-3dB exceed lower boundary of ${low}%)"
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elif [[ "$action" == "Decreasing" ]]; then
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echo "Decreasing gain to $gain (${strong}% messages >-3dB exceed upper boundary of ${high}%)"
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fi
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