Moxa Technologies W321 사용자 설명서

Table of Contents

Introduction ..................................................................................................1-1

Overview.................................................................................................................................. 1-2

Software Architecture .............................................................................................................. 1-2

Journaling Flash File System (JFFS2)........................................................................ 1-3

Software Package ....................................................................................................... 1-4

Getting Started .............................................................................................2-1

Powering on the W311/321/341............................................................................................... 2-2

Connecting the W311/321/341 to a PC.................................................................................... 2-2

Serial Console ............................................................................................................ 2-2

Telnet Console............................................................................................................ 2-3

SSH Console .............................................................................................................. 2-4

Configuring the Ethernet Interface .......................................................................................... 2-5

Modifying Network Settings with the Serial Console ................................................ 2-5

Modifying Network Settings over the Network ......................................................... 2-6

Configuring the WLAN ........................................................................................................... 2-6

IEEE802.11a/b/g ........................................................................................................ 2-6

Using WPA_SUPPLICANT to Support WPA and WPA2.......................................................2-11

SD Slot and USB for Storage Expansion ................................................................................2-11

Test Program—Developing Hello.c ....................................................................................... 2-13

Installing the Tool Chain (Linux)............................................................................. 2-13

Checking the Flash Memory Space .......................................................................... 2-13

Compiling Hello.c .................................................................................................... 2-14

Uploading and Running the “Hello” Program.......................................................... 2-15

Developing Your First Application ........................................................................................ 2-15

Testing Environment ................................................................................................ 2-16

Compiling tcps2.c..................................................................................................... 2-17

Uploading and Running the “tcps2-release” Program .............................................. 2-18

Testing Procedure Summary .................................................................................... 2-20

Managing Embedded Linux ........................................................................3-1

System Version Information..................................................................................................... 3-2

System Image Backup.............................................................................................................. 3-2

Upgrading the Firmware............................................................................................. 3-2

Loading Factory Defaults ........................................................................................... 3-5

Backing Up the User Directory .................................................................................. 3-5

Deploying the User Directory to Additional W311/321/341 Units ............................ 3-6

Enabling and Disabling Daemons............................................................................................ 3-6

Setting the Run-Level .............................................................................................................. 3-8

Adjusting the System Time ...................................................................................................... 3-9

Setting the Time Manually ......................................................................................... 3-9

NTP Client................................................................................................................ 3-10

Updating the Time Automatically............................................................................. 3-10

Cron—Daemon to Execute Scheduled Commands ................................................................3-11