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take_pic.sh as used in hedgehog house to turn on IR LEDS before

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taking a picture
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R.P. Clark 2023-10-22 21:42:03 +01:00
parent b2a8c6de37
commit cfd5faf9ed
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raspberry_pi_IR_take_pic.sh Executable file
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# take a picture.
# First turn on IR LEDS
# GPIO17 is tyhe ground side of the IR leds, so setting it to 0 turns them on
if [ -d /sys/class/gpio/gpio17 ]; then
echo " gpio17 already exists "
else
echo 17 > /sys/class/gpio/export
fi
sleep 0.1
# turn on the IR leds
echo out > /sys/class/gpio/gpio17/direction
echo 0 > /sys/class/gpio/gpio17/value
export d=`date`
export picname=`echo $d | sed 's/ /_/g' | sed 's/:/_/g' `
#echo $picname
libcamera-jpeg -o /home/robin/Pictures/$picname.jpg -t 2000 --width 1200 --height 1000
# turn off IR LEDS
echo 1 > /sys/class/gpio/gpio17/value