114 lines
3.1 KiB
Bash
Executable File
114 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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#
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# Driver rainsensorqty - driver for measure the rain volume
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# Author: androtto
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# file "drv_rainsensorqty_monitor.sh"
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# monitor script
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# Version: 0.2.5c
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# Data: 08/Dec/2020
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resetcounter()
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{
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(( counter = 0 ))
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drv_rainsensorqty_writelog $f "SIGUSR1 received after last PULSE - counter resetted" &
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echo "SIGUSR1 received after last PULSE - counter resetted"
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}
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# DEBUG FUNCTION:
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testloop()
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{
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touch /tmp/tick
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while true
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do
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if [[ $( < /tmp/tick ) = "1" ]] ; then
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break
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fi
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sleep 1
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done
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}
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###############
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# MAIN #
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###############
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trap "resetcounter" SIGUSR1
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DIRNAME="$( dirname $0 )"
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f="$(basename $0)"
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. $DIRNAME/common.include.sh
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RAINSENSORQTY_VAR=$TMPDIR/.rainsensorqty_var
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if [[ -f "$RAINSENSORQTY_VAR" ]] ; then
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en_echo "NORMAL: file $RAINSENSORQTY_VAR found - getting variables"
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. "$RAINSENSORQTY_VAR"
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else
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echo "ERROR: $RAINSENSORQTY_VAR not found"
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exit 1
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fi
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#drvt="$( echo $RAIN_GPIO | $CUT -f 1 -d: )"
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#drv="$( echo $RAIN_GPIO | $CUT -f 2 -d: )"
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gpio_port="$( echo $RAIN_GPIO | $CUT -f 3 -d: )"
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# check if no other rain monitor process running...
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if [[ -f "$RAINSENSORQTY_MONPID" ]] ; then
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pid="$( < "$RAINSENSORQTY_MONPID" )"
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if ps -fp $pid >/dev/null ; then
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drv_rainsensorqty_writelog $f "ERROR monitor process already running\n$( ps -fp $pid )"
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exit 1
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fi
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fi
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echo $$ > $RAINSENSORQTY_MONPID
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drv_rainsensorqty_writelog $f "NORMAL - $$ pid monitor process started - see $RAINSENSORQTY_MONPID"
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echo ""
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en_echo "---- NEW RUN ----"
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# check if monitor script was killed before writing a complete rain event
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check_incomplete_loop
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case $? in
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2) echo "\$RAINSENSORQTY_HISTORY - wrong entry found - no fix possible" ;;
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1) echo "\$RAINSENSORQTY_HISTORY - fixed incomplete loop" ;;
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0) echo "\$RAINSENSORQTY_HISTORY - no incomplete loop needed to be fixed" ;;
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esac
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# init variables
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MMEACH="$RAINSENSORQTY_MMEACH"
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(( counter=0 ))
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before="-1"
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en_echo "WAITING FOR $RAINSENSORQTY_PULSE PULSE"
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# loop forever
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while true
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do
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sleep $RAINSENSOR_DEBOUNCE
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#DEBUG: testloop #DEBUG
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$GPIO -g wfi $gpio_port $RAINSENSORQTY_PULSE
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now=`date +%s`
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(( elapsed = now - before ))
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if (( elapsed >= RAINSENSORQTY_SECSBETWEENRAINEVENT )) ; then
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last_event="$started:$before:$counter"
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(( counter=0 ))
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drv_rainsensorqty_writelog $f "first drops after $elapsed seconds since last rain ( greater than $RAINSENSORQTY_SECSBETWEENRAINEVENT )- new cycle - waiting for $( $JQ -n "$RAINSENSORQTY_LOOPSFORSETRAINING * $MMEACH" ) mm of rain" &
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(( before > 0 )) && echo $last_event >> $RAINSENSORQTY_HISTORY
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en_echo "---- NEW CYCLE ----"
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fi
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(( counter+=1 ))
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(( counter == 1 )) && (( started = now ))
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echo "$now:$counter" >> ${RAINSENSORQTY_HISTORYRAW} &
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MMWATER=$( $JQ -n "$counter*$MMEACH" )
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en_echo $( printf "%s PULSE #%d RECEIVED (%.2f mm)" $RAINSENSORQTY_PULSE $counter $MMWATER )
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text=$(printf "%.2f mm height (#%d pulse)" $MMWATER $counter )
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if (( counter >= RAINSENSORQTY_LOOPSFORSETRAINING )) ; then
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drv_rainsensorqty_writelog $f "RAINING - $text" &
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echo "$now:$counter" > ${RAINSENSORQTY_LASTRAIN}
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else
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drv_rainsensorqty_writelog $f "now is $text" &
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fi
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(( before = now ))
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done
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