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Author: jsparber

take_photo.sh

@@ -5,13 +5,18 @@
 echo "18" > /sys/class/gpio/export
 echo "out" > /sys/class/gpio/gpio18/direction
 
+# Turn on the led connected to the pin 18 of the RPI
 echo "1" > /sys/class/gpio/gpio18/value
 sleep 2
 #Take a photo
 fswebcam -d v4l2:/dev/video0 -r 640x480 -D 10 -F 100 -S 50 --no-banner /home/alarm/img/$(date +\%Y\%m\%d\%H\%M).jpeg &> /home/alarm/log
 
 sleep 2
+
+# Turn of the led after the picture
 echo "0" > /sys/class/gpio/gpio18/value
+
+# Workaround: The webcam stopes working after some time, if that happes we reboot the RPI
 string=`cat /home/alarm/log | grep "VIDIOC_STREAMON: Broken pipe"`
 
 if [ ! -z "$string" ]; then