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https://github.com/sdr-enthusiasts/docker-adsb-ultrafeeder.git
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42 lines
1.8 KiB
Text
42 lines
1.8 KiB
Text
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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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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 $READSB_AUTOGAIN_INITIAL_INTERVAL minutes for 90 minutes
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for (( i=0; i<$((5400/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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