2023-10-22 20:42:03 +00:00
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# take a picture.
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# First turn on IR LEDS
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2023-10-22 20:44:17 +00:00
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# GPIO17 is the ground side of the IR leds, so setting it to 0 turns them on
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# Note this is through a 220 Ohm resdistor limiting the current to about 10 mA
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2023-10-22 20:42:03 +00:00
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if [ -d /sys/class/gpio/gpio17 ]; then
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echo " gpio17 already exists "
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else
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echo 17 > /sys/class/gpio/export
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fi
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sleep 0.1
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# turn on the IR leds
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echo out > /sys/class/gpio/gpio17/direction
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echo 0 > /sys/class/gpio/gpio17/value
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export d=`date`
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export picname=`echo $d | sed 's/ /_/g' | sed 's/:/_/g' `
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#echo $picname
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libcamera-jpeg -o /home/robin/Pictures/$picname.jpg -t 2000 --width 1200 --height 1000
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# turn off IR LEDS
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echo 1 > /sys/class/gpio/gpio17/value
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