# take a picture. # First turn on IR LEDS # GPIO27 is tyhe ground side of the IR leds, so setting it to 0 turns them on #BASH equiv to #define ! IR=27 if [ -d /sys/class/gpio/gpio27 ]; then echo " gpio$IR already exists " else echo $IR > /sys/class/gpio/export fi sleep 0.1 # turn on the IR leds echo out > /sys/class/gpio/gpio$IR/direction echo 0 > /sys/class/gpio/gpio$IR/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/gpio$IR/value