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SSV eSOM/SK4 First Steps

Embedded linux starter kit
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eSOM/SK4 eSOM/3517
Embedded Linux Starter Kit
First Steps
SSV Embedded Systems
Dünenweg 5
D-30419 Hannover
Phone: +49 (0)511/40 000-0
Fax:
+49 (0)511/40 000-40
Document Revision: 1.0
E-mail: sales@ssv-embedded.de
Date: 2012-01-20
F
.
-
.
OR FURTHER INFORMATION REGARDING OUR PRODUCTS PLEASE VISIT US AT WWW
SSV
EMBEDDED
DE

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  • Page 1 Embedded Linux Starter Kit First Steps SSV Embedded Systems Dünenweg 5 D-30419 Hannover Phone: +49 (0)511/40 000-0 Fax: +49 (0)511/40 000-40 Document Revision: 1.0 E-mail: sales@ssv-embedded.de Date: 2012-01-20 OR FURTHER INFORMATION REGARDING OUR PRODUCTS PLEASE VISIT US AT WWW...

  • Page 2: Table Of Contents

    - First Steps CONTENT INTRODUCTION .......................3 Safety Guidelines........................3 Conventions ...........................3 Features and Technical Data....................4 GETTING STARTED......................5 Serial Link between eSOM/EVA2-SV1 and PC ..............5 Ethernet Link between eSOM/EVA2-SV1 and PC ...............6 Connecting Power Supply and Power-up the Starter Kit............7 Using Serial Link with Terminal Program ................8...

  • Page 3: Introduction

    - First Steps INTRODUCTION The Starter Kit eSOM/SK4 contains everything you need to get started with your embedded networking application. The Starter Kit includes an eSOM/3517 module with a pre-installed U-Boot boot loader and an embedded Linux, the Evaluation Board eSOM/EVA2-SV1, power supply, serial interface (null modem) cable, a CD-ROM with software and documen- tation and a printed user manual for the first steps with the Starter Kit.

  • Page 4: Features And Technical Data

    - First Steps Features and Technical Data The eSOM/SK4 comes with a pre-installed U-Boot boot loader and an Embedded Linux op- erating system. The eSOM/3517 Linux consists of two main components: 1. the Linux ker- nel and 2. the root file system.

  • Page 5: Getting Started

    - First Steps GETTING STARTED Serial Link between eSOM/EVA2-SV1 and PC Setup the serial link between the Evaluation Board eSOM/EVA2-SV1 and your PC. Use a null modem cable for this connection. Figure 1: Serial link between eSOM/EVA2-SV1 and PC Connect one end of the null modem cable with an unused COM port of your PC.

  • Page 6: Ethernet Link Between Esom/Eva2-Sv1 And Pc

    - First Steps Ethernet Link between eSOM/EVA2-SV1 and PC Setup the Ethernet LAN link between the Evaluation Board eSOM/EVA2-SV1 and your PC. Use an Ethernet cross-over cable or a switch-based infrastructure with two Ethernet patch cables for the LAN connection.

  • Page 7: Connecting Power Supply And Power-Up The Starter Kit

    - First Steps Connecting Power Supply and Power-up the Starter Kit Connect the 5 VDC power supply with the barrel plug with the Evaluation Board eSOM/EVA2-SV1. Please note: Make sure that all cable connections are OK. Then power-up the Starter Kit.

  • Page 8: Using Serial Link With Terminal Program

    - First Steps Using Serial Link with Terminal Program Run HyperTerminal on your Windows-PC, minicom or a similar simple terminal emulation program on your Linux-based PC. Figure 5: Direct connection setup with HyperTerminal Setup a direct connection with the parameters of table 2. Make sure, that the PC COM port supports 115.200 bps.

  • Page 9: Power-Up Esom/3517 With Rcm Disabled

    - First Steps Power-up eSOM/3517 with RCM disabled After power-up the eSOM/3517 starts an automatic boot process from the on-board flash memory chip. This process consists of two steps: 1. Directly after power-up, the eSOM/3517 runs the U-Boot boot loader program for some milliseconds.

  • Page 10: Power-Up Esom/3517 With Rcm Enabled

    - First Steps Power-up eSOM/3517 with RCM enabled The eSOM/3517 boot sequence with RCM enabled is similar to the boot procedure with RCM disabled. Only the first step is different: 1. The eSOM/3517 runs the U-Boot boot loader program. This software shows a wait message over the eSOM/3517 COM1 serial interface if RCM is enabled (please see the eSOM/3517 hardware reference manual for details).
  • Page 11 - First Steps Figure 10: After a login the serial console offers a Linux command line interface Wait until the Linux boot process finishes. Please use the username root and the pass- word root. Then press Enter. M a n u a l R e v i s i o n 1 . 0...

  • Page 12: Esom/3517 Linux File System

    - First Steps eSOM/3517 Linux File System After booting the eSOM/SK4 all directories in the root file system are read-only. There are only three exceptions, which are shown in the following table: Directory Remark /flash R/W directory, non-volatile memory within Flash...

  • Page 13: Checking Ip Address Of Pc

    - First Steps Checking IP Address of PC Make sure that your PC is using the right IP address for the Ethernet-based TCP/IP com- munication with the eSOM/3517. Please use 192.168.0.1 or 192.168.0.254 for your PC and 192.168.0.126 for the eSOM/3517.

  • Page 14: Checking Ethernet-Based Tcp/Ip Communication

    - First Steps Checking Ethernet-based TCP/IP Communication Check the Ethernet-based TCP/IP communication between the eSOM/3517 and the PC with a simple ping command. Figure 13: Windows-PC TCP/IP communication check with ping First check the cable connections and then the IP addresses if your ping does not work.

  • Page 15: Using A Telnet Connection

    - First Steps 2.10 Using a Telnet Connection Run a Telnet client program on your PC with the IP address of the eSOM/3517. You can use a Telnet session for remote entering Linux commands. Figure 14: Run the Windows Telnet client program Wait until the eSOM/3517 Linux requests a user name.

  • Page 16: Checking Ftp Server

    Checking FTP Server The eSOM/SK4 Linux comes with a pre-installed FTP server. This server allows the file transfer via Ethernet between a PC and the eSOM/SK4. Run an FTP client program like FileZilla on your PC for a test. Figure 16: FileZilla as FTP client to access the FTP server Use for the FTP login the IP address 192.168.0.126, the username root and the...

  • Page 17: Checking Tftp Client

    2.12 Checking TFTP Client The eSOM/SK4 Linux comes with a pre installed TFTP client. This client allows the file transfer via Ethernet between a PC and the eSOM/SK4. Run a TFTP server like TFTPD32 on your PC for a test.

  • Page 18: Checking Http Server

    The browser shows the file index.html which is stored in the directory /www of the eSOM/SK4. Into this directory you can load own files. Figure 18: Checking the Web server of the eSOM/SK4 with a browser...

  • Page 19: Changing Ex Factory Ip Address

    2.14 Changing Ex Factory IP Address The default IP address of the eSOM/SK4 is 192.168.0.126. The IP address settings are stored in the file /etc/network/interfaces. Run a Telnet session and start the editor mcedit which is part of the Linux.
  • Page 20 - First Steps Change the file /etc/network/interfaces to your needs and save it. The changes of the IP address settings will not be active until a system reboot. The commands shown at the bottom of HyperTerminal and PuTTY are available with the shortcut ESC + number, e.g.

  • Page 21: Helpful Literature

    Information in this document is provided ‘as is’ without warranty of any kind. Some names within this document can be trademarks of their respective holders. © 2012 SSV EMBEDDED SYSTEMS. All rights reserved. M a n u a l R e v i s i o n 1 . 0...

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