[Add][rootfs][script]

2021.03.15 / Folus Wen

Actions:
1. Add shell script for scan local lan actived device.

Files:
1. As follow commit history

Image version: D0.00.XX.XXXX.XX
Image checksum: XXXXXXXX

Hardware PWB P/N : XXXXXXX
Hardware Version : XXXXXXX

EVSE/rootfs/usr/bin/run_scan_net.sh

@@ -0,0 +1,16 @@
+#!/bin/sh
+if [ $# -lt 2 ]; then
+        echo "Usage sample:  run_scan_net.sh [interface] [scan class C]"
+        echo "               run_scan_net.sh eth0 192.168.1"
+        exit 0;
+else
+        for ip in $(seq 1 255)
+        do
+                echo Scan ip $2.$ip
+                `arp -i $1 -d $2.$ip > /dev/null 2>&1`
+                `ping -I $1 -c 5 $2.$ip > /dev/null 2>&1 &`
+        done
+
+        wait
+        arp -n | grep -v incomplete
+fi