From cfd5faf9ed5007b2461e3e392815ad6d19dc0256 Mon Sep 17 00:00:00 2001
From: "R.P. Clark" <robin48gx@gmail.com>
Date: Sun, 22 Oct 2023 21:42:03 +0100
Subject: [PATCH] take_pic.sh as used in hedgehog house to turn on IR LEDS
 before taking a picture

---
 raspberry_pi_IR_take_pic.sh | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 raspberry_pi_IR_take_pic.sh

diff --git a/raspberry_pi_IR_take_pic.sh b/raspberry_pi_IR_take_pic.sh
new file mode 100755
index 0000000..6ee76d0
--- /dev/null
+++ b/raspberry_pi_IR_take_pic.sh
@@ -0,0 +1,24 @@
+
+# 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