Add information display script

display.sh

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit
+fi
+
+#set -x
+
+msg() {
+	./ssd1306_bin "$@"
+}
+
+netaddrs() {
+	ip -p -o -br -4 address show | (
+	current_line=1
+	while IFS= read -r line; do
+		IFS=' ' read -r -a iface <<< "$line"
+		if [[ "${iface[0]}" == lo* ]]; then
+			continue
+		fi
+
+		msg -x0 -y$current_line -m "${iface[0]} ${iface[1]}  "
+		((current_line=current_line+1))
+		if [[ ${#iface[@]} -gt 2 ]]; then
+			for addr in ${iface[@]:2}; do
+				msg -x4 -y$current_line -l "${addr}"
+				((current_line=current_line+1))
+			done
+		fi
+	done
+	)
+}
+
+msg -I 128x64 -c -i 0 -x 0 -y 0 -f 1 -l "`hostname`"
+msg -x0 -y 7 -l "  <-       X      ->"
+
+
+while true; do
+	netaddrs
+	msg -f 0 -x 8 -y 6 -l "`date '+%Y-%m-%d %H:%M:%S'`"
+	sleep 1
+done