Add control to SV1AFN filterbank

sv1afnfilter.sh

@@ -0,0 +1,48 @@
+#GPIO Declaration
+if [  -f /sys/class/gpio/gpio26 ]; then
+
+echo GPIO declaration
+echo 26 > /sys/class/gpio/export 
+echo 19 > /sys/class/gpio/export 
+echo 13 > /sys/class/gpio/export 
+echo 6  > /sys/class/gpio/export 
+
+
+#GPIO out
+echo GPIO Mode OUT
+echo out > /sys/class/gpio/gpio26/direction
+echo out > /sys/class/gpio/gpio19/direction
+echo out > /sys/class/gpio/gpio13/direction
+echo out > /sys/class/gpio/gpio6/direction
+
+
+fi
+
+#Initialization : All at zero (disable filter)
+reset_all()
+{
+	
+	echo 0 > /sys/class/gpio/gpio26/value 
+	echo 0 > /sys/class/gpio/gpio19/value
+	echo 0 > /sys/class/gpio/gpio13/value
+	echo 0 > /sys/class/gpio/gpio6/value
+}
+
+reset_all
+case "$1" in
+"10m")
+	echo 1 > /sys/class/gpio/gpio26/value
+        ;;
+"15m") 
+    echo 1 > /sys/class/gpio/gpio19/value
+    ;;
+"20m") 
+    echo 1 > /sys/class/gpio/gpio13/value
+    ;;
+"40m") 
+    echo 1 > /sys/class/gpio/gpio6/value
+    ;;
+
+*)
+     ;;
+esac