Spacing of wifi channels

src/freedombone-config

@@ -158,7 +158,7 @@ function save_configuration_file {
   echo "DEFAULT_DOMAIN_NAME=$DEFAULT_DOMAIN_NAME" >> $CONFIGURATION_FILE
   if [ $DEFAULT_DOMAIN_CODE ]; then
       echo "DEFAULT_DOMAIN_CODE=$DEFAULT_DOMAIN_CODE" >> $CONFIGURATION_FILE
-  fi
+1 fi
   echo "SYSTEM_TYPE=$SYSTEM_TYPE" >> $CONFIGURATION_FILE
   echo "INSTALLING_ON_BBB=$INSTALLING_ON_BBB" >> $CONFIGURATION_FILE
   echo "USB_DRIVE=$USB_DRIVE" >> $CONFIGURATION_FILE
@@ -574,6 +574,27 @@ function interactive_configuration {
           DEFAULT_DOMAIN_NAME=$(hostname)
       fi
       save_configuration_file
+
+      data=$(tempfile 2>/dev/null)
+      trap "rm -f $data" 0 1 2 5 15
+      dialog --backtitle "Freedombone Configuration" \
+             --radiolist "Wifi Channel (spaced to be non-overlapping):" 11 50 4 \
+             1 "1" on \
+             2 "5" off \
+             3 "9" off \
+             4 "13" off 2> $data
+      sel=$?
+      case $sel in
+          1) exit 1;;
+          255) exit 1;;
+      esac
+      case $(cat $data) in
+          1) WIFI_CHANNEL=1;;
+          2) WIFI_CHANNEL=5;;
+          3) WIFI_CHANNEL=9;;
+          4) WIFI_CHANNEL=13;;
+      esac
+      save_configuration_file
   fi
 
   #if [[ $ENABLE_BATMAN == "yes" ]]; then