3.141592653589793238

api/set_light.php

@@ -2,5 +2,5 @@
 $light = $_GET["light"];
 $output = null;
 exec('bash ../scripts/set_light.sh '.$light, $output);
-var_dump($output);
+echo $output[0];
 ?>

scripts/set_light.sh

@@ -1,5 +1,11 @@
 #!/bin/bash
 gpio mode $1 out
 let "out=`gpio read $1`"
-gpio write $1 $out
+if [ $out = 0 ]
-echo $out
+then
+	gpio write $1 1
+	echo 1
+else
+	gpio write $1 0
+	echo 0
+fi