104 lines
3 KiB
Bash
Executable file
104 lines
3 KiB
Bash
Executable file
#!/bin/bash
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#
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# Copyright (c) 2010 by Justin Otherguy <justin@justinotherguy.org>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License (either version 2 or
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# version 3) as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# For more information on the GPL, please go to:
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# http://www.gnu.org/copyleft/gpl.html
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#
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# This is a simple bash script to read Dallas 1-Wire sensors
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# with digitemp and log their values to the volkszaehler project.
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#
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# call it with a cronjob similiar to this one:
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#
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# */5 * * * * ~/bin/log1wire.sh
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#
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# configuration
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#
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# backend url
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URL="http://localhost/workspace/volkszaehler.org/backend/index.php/"
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# 1wire sensor id => volkszaehler.org uuid
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declare -A MAPPING
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MAPPING["1012E6D300080077"]="9eed00f0-ca37-11df-9d39-15423b3b842b"
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MAPPING["10E3D2C400080017"]="875d2cc0-da4b-11df-a67f-e9bb235c3849"
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MAPPING["10F59F84010800B0"]="4b549c20-da4f-11df-bd60-4b520f9cd4e0"
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MAPPING["1060BB840108000D"]="5fcc9b40-da4f-11df-b981-d55799876663"
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# the digitemp binary, choose the right one for your adapter
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DIGITEMP="digitemp_DS9097"
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# the digitemp configuration (holds your sensor ids)
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DIGITEMP_CONF="/home/steffen/.digitemprc"
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# additional options for digitemp
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# specify single or all sensors here for example
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#DIGITEMP_OPTS="-t 0"
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DIGITEMP_OPTS="-a"
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# additional options for curl
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# specify credentials, proxy etc here
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CURL_OPTS=""
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# uncomment this for a more verbose output
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#DEBUG=1
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# ========= do not change anything under this line ==============
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# building digitemp options
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DIGITEMP_OPTS="-c ${DIGITEMP_CONF} ${DIGITEMP_OPTS} -q -o %s;%R;%N;%C"
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if [ $DEBUG ]; then
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echo "enabling debugging output"
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echo -e "running digitemp:\t${DIGITEMP} ${DIGITEMP_OPTS}"
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fi
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# execute digitemp
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LINES=$(${DIGITEMP} ${DIGITEMP_OPTS})
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# save old internal field seperator
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OLD_IFS=${IFS}
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IFS=$'\n'
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for LINE in $LINES
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do
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OLD_IFS=${IFS}
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IFS=";"
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COLUMNS=( $LINE )
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IFS=${OLD_IFS}
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if [ ${COLUMNS[3]:0:2} == "85" ]; then
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echo "check your wiring; we received an invalid reading!" >&2
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elif [[ ${MAPPING[${COLUMNS[1]}]} ]]; then
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UUID=${MAPPING[${COLUMNS[1]}]}
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REQUEST_URL="${URL}/data/${UUID}.json?value=${COLUMNS[3]}×tamp=$(( ${COLUMNS[2]} * 1000 ))${URL_PARAMS}${DEBUG:+&debug=1}"
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if [ $DEBUG ]; then
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echo -e "logging sensor:\t\t${UUID}"
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echo -e "with value:\t\t${COLUMNS[3]}"
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echo -e "at:\t\t\t$(date -d @${COLUMNS[2]})"
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echo -e "with request:\t\t${REQUEST_URL}"
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fi
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curl ${CURL_OPTS} --data "" "${REQUEST_URL}"
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# prohibit unmapped sensors
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else
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echo "sensor ${COLUMNS[1]} is not mapped to an uuid! add the mapping in the script." >&2
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fi
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done
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IFS=${OLD_IFS}
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