114 lines
3.0 KiB
Bash
Executable File
114 lines
3.0 KiB
Bash
Executable File
#!/bin/bash
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# Settings
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PGMDIR=/dev/shm
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N=250
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# If no images are found during this period (seconds), relaunch capture process
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WAIT=20
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COUNT=0
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# Start automatically capture process or not
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AUTOSTART=0
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# Default camera to start imaging if no schedule is available
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CAMERADEV="/dev/video0"
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CAPTUREPID=0
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# if autostart force a restart
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if [ $AUTOSTART == 1 ]; then
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echo "restart" >$ST_OBSDIR/control/state.txt
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STATE="restart"
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else
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echo "stop" >$ST_OBSDIR/control/state.txt
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STATE="stop"
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fi
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export CAMERADEV=`cat $ST_OBSDIR/control/camera.txt | awk '{print $((7))}'`
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# For ever loop
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while true; do
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# Get number of files
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NFILES=`ls -1 $PGMDIR/img*.pgm 2>/dev/null | wc -l`
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# Get state
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export STATE=`cat $ST_OBSDIR/control/state.txt`
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# If enough, process
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if [ $NFILES -ge $N ]; then
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# Create new directory
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if [ $STATE == "restart" ]; then
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export DIR=`date -u +%FT%T | sed -e "s/-//g" -e "s/\://g" -e "s|T|/|g"`
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mkdir -p $ST_OBSDIR/$DIR
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cd $ST_OBSDIR/$DIR
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echo "Moving to $ST_OBSDIR/$DIR"
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echo "observing" >$ST_OBSDIR/control/state.txt
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cp $ST_OBSDIR/control/position.txt .
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# cp $ST_OBSDIR/control/scale.txt .
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cp $ST_OBSDIR/control/camera.txt .
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export CAMERADEV=`cat $ST_OBSDIR/control/camera.txt | awk '{print $((7))}'`
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fi
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# Process only if not restarting
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if [ $STATE != "restart" ]; then
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echo "Compressing captured frames"
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# Start point
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M=`ls -1 $PGMDIR/img*.pgm | head -n1 | sed -e "s/[^0-9]*//g"`
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# Run pgm2fits
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# pgm2fits -p $PGMDIR/img -w 720 -h 576 -s $M -n $N
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pgm2fits -p $PGMDIR/img -w 720 -h 576 -s $M -n $N >/dev/null
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# Run viewer
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viewer `ls -1 2*.fits | tail -n1`
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cp avg.pgm $ST_OBSDIR
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fi
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# kill capture process just when scheduler sends stop signal
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if [ $STATE == "stop" ]; then
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if [ $(($CAPTUREPID)) != 0 ]; then
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kill -9 $CAPTUREPID
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CAPTUREPID=0
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fi
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fi
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# Remove files
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echo "Removing captured frames"
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# ls -1 $PGMDIR/img*.pgm | head -n$N | awk '{printf("sudo rm -rf %s\n",$1)}' | sh
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ls -1 $PGMDIR/img*.pgm | head -n$N | awk '{printf("rm -rf %s\n",$1)}' | sh
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echo "Finished"
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else
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# There are not enough captured frames
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# Launch capture process if state is not stop
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# if time passes with still no images re-launch capture process
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if [ $STATE != "stop" ]; then
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echo "Waiting for images. Status: "$STATE
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COUNT=$(($COUNT+1))
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if [ $COUNT -ge $WAIT ]; then
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COUNT=0
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echo "No images found, restarting capture script"
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# sh $ST_DATADIR/scripts/st_capture.sh /dev/video-$CAMERA &
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sh $ST_DATADIR/scripts/st_capture.sh $CAMERADEV &
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sleep 1
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CAPTUREPID=`pgrep -o -x ffmpeg`
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fi
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if [ $STATE == "restart" ]; then
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if [ $(($CAPTUREPID)) == 0 ]; then
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# sh $ST_DATADIR/scripts/st_capture.sh /dev/video-$CAMERA &
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sh $ST_DATADIR/scripts/st_capture.sh $CAMERADEV &
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sleep 1
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CAPTUREPID=`pgrep -o -x ffmpeg`
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fi
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fi
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else
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echo "Status: "$STATE
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if [ $(($CAPTUREPID)) != 0 ]; then
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kill -9 $CAPTUREPID
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CAPTUREPID=0
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fi
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fi
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fi
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# Sleep
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sleep 1
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done
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