First Steps - SSV Software Systems
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1. nn done Mounting dev ramdisk ee nn done opulating zdewxc s voee a Na ere E eR E ERE ae done Checking root filesystem cere nn skip C EXT3 Remounting root file system to ro ee done Loading modules rs485 kodone Mounting userspace fFla amp Sh 7 4 52 er ann Bene Mounting local RCM IK e do Setting the System Clock Fri Jan 1 00 00 00 UTC 2010 dans Setting up IP spoofing 1 nn nn one Configuring network 1 3 done INIT Entering runlevel Starting Internet superserver inetd done Starting ibl d der nte Ci N m en POR CN A E c Pe done Starting Lighttpd Web Server creen n done Starting OpenBSD Secure Shell server done Starting Watchdog eee we ee mmm done eSOM 3517 Linux emblinux ttySd emblinux login PHY ffffffff OO Link is Up 100 Full Figure 7 Linux booting process with HyperTerminal Please note The U Boot environment var able boot delay does not influence the eSOM 3517 boot process with RCM Remote Console Mode disabled The eSOM 3517 Linux supports a serial console It allows running a Linux based system in a headless configuration without a monitor or keyboard Wait until the Linux boot pro cess finishes Please use the usernam2. M 11 2008 5 lib c3 M2M Summit 2006 2 media Cj Mesago Seminar 2005 25 mnt N 02 2004 25 proc c3 N 02 2008 25 sbin N 03 2009 95 sys C3 Bilder 25 tmp DIL NETPC ER usr Dku MOXA 25 var 1 Doku DIGI C3 Doku G24 ER cgi bin 1 Software Source Dateiname Dateigr e Dateityp Zuletzt ge ndert 7 Berechtigu Tools cgi bin Dateiordner 11 02 2009 11 08 00 drwxr xr x index htm 3 067 HTML Document 07 07 2009 18 10 00 Dateiname Dateigr e Dateityp Zuletzt ge ndert Q gt Hello py 72 Python File 26 02 2009 00 09 19 ic post request c 1 849 C Source file 05 10 2008 16 38 12 es post request class 1 699 CLASS Datei 14 02 2009 14 41 14 f ipost request html 613 HTML Document 11 10 2008 14 14 06 flbost request java 894 JavaLanguage 14 02 2009 14 41 14 post request py 565 Python File 14 02 2009 20 33 08 vas TCPClient java 668 Javalanguage 14 02 2009 01 19 16 TCPClient py 407 Python File 26 02 2009 08 20 55 E TCPServer class CLASS Datei 09 02 2009 20 13 28 vas TCPServer java 738 JavaLanguage 09 02 2009 20 18 26 a write_values php PHP Datei 05 10 2008 17 02 32 lt 11 Dateien Gesamtgr e 10 059 Bytes 1 Datei und 1 Verzeichnis Gesamtgr e 3 067 Bytes Warteschlange leer 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 password root With this login you h
3. eSOM SK5 eSOM 3517 Embedded Linux Starter Kit First Steps SSV Embedded Systems Dunenweg 5 D 30419 Hannover Phone 49 0 511 40 000 0 Fax 49 0 511 40 000 40 E mail sales ssv embedded de FOR FURTHER INFORMATION REGARDING OUR PRODUCTS PLEASE VISIT US AT WWW SSV EMBEDDED DE Document Revision 1 0 Date 2012 03 22 zz Ss gt eSOM SK5 eSOM 3517 First Steps CONTENT 1 INTRODUC TION esse een 3 1 1 SALLY alle INES E E E IEA E EE 3 1 2 CONNY NO odor sae io E IS pae OON DE ba rU MURIS DE ctDNN MEN bidet 3 3 Features and Tecbntcal Dala 4 ZNEEC GNE 5 2 Serial Link between BB7 eSO0ML and PO uueuunenenene na 3 22 Ethernet Link between BB7 eSOMI and PC 6 2 3 Connecting Power Supply and Power up the Starter 1 gt 7 2 4 Using Serial Link with Terminal Program 8 2 Power up eSOM 3517 with RCM 5 0 8 n 9 2 6 Power up eSOM 3517 with RCM 10 2 eS OM 3317 Linok File Syste 2 2 8 Checks IP 2 CSS OE P6 ee ee ee 13 29 Checking Ethernet based TCP IP Communication 14 210 Used Flat o
4. test txt 1234567890 root emblinux var ls al rWwxr xr xX root root 2048 drwxr xr x root root 2048 lrwxrwxrux root root lrwxrwxrwx root root drwxr xr x root root lrwxrwxrwx root root lrwxrwxrwx root root lrwxrwxrwx root root rw r r root root lrwxrwxrwx root root drwxrwxrwt 8 root root root emblinux var cat test txt 1234567890 root emblinux var mount 7 o remount ro save exit isCheckpointed 1 root emblinux var cat gt test txt sh can t create test txt Read only file system root embl inux var NNENNNNNN H QO QQA QQO cache gt volatile cache cron gt volatile cron i lock gt volatile lock log gt volatile log run gt volatile run test txt tmp gt volatile tmp volatile Te ed ed md dd dd a G QH mBmBmPBm Pmmpmermpmiamm GPmPUl mPmPm PmZmp prg Figure 11 Disabling the write protection with the mount command Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 8 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 0r 192 168 0 254 for your PC and 192 168 0 126 for the eSOM 3517 c Eingabeaufforderung Microsoft Windows XP LVersion 5 1 2600 C Copyright 1985 2001 Microsoft Corp C Dokumente und Einstellungen kdw gt ipconfig Windows IP Konf iguration Ethernetadapter LAN Verbindung Verbindungsspezifisches
5. to the extent permitted by applicable law BusyBox v1 1 3 Debian 1 1 1 3 4 Built in shell Cash Enter help for a list of built in commands root root root root 22 root root bin root root dev root root etc root root home root root lib root root lost found root root media root root mnt root root o Proc root root root root root sbin root root o sys root root tmp root root usr root root var wW OUINEFNNNNANDWOAARN r Figure 15 Using Linux commands within a Telnet client window Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 11 Checking FTP Server The eSOM SKS5 Linux comes with a pre installed FTP server This server allows the file transfer via Ethernet between a PC and the eSOM SKS Run an FTP client program like FileZilla on your PC for a test root 192 168 0 1 26 FileZilla Datei Bearbeiten Ansicht Transfer Server Lesezeichen Hilfe Neue Version verf gbar E Ina 99 O98 R 3 5 gt Server Benutzername a Passwort Port verbinden J 250 CWD command successful PWD 257 I is current directory PORT 192 168 0 247 5 225 200 PORT command sucessful LIST 150 Opening BINARY mode data connection for bin ls 226 Transfer complete Anzeigen des Verzeichnisinhalts abgeschlossen e und Einstellungen KDW Eigene Dateien S Z yortraege N 03 20091Software Source C3 M 05 2003 25 etc 3 M 07 2003 25 flash M 10 2007 25 home
6. word root Then press Enter Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 7 eSOM 3517 Linux File System After booting the eSOM SKS all directories in the root file system are read only There are only three exceptions which are shown in the following table Directory Remark U U flash R W directory non volatile memory within Flash home root R W directory RAM disk volatile memory var volatile R W directory RAM disk volatile memory Table 3 R W directories in the file system The read only restriction protects all files of the file system Under ordinary operating conditions it 15 not possible to overwrite or delete a file which is necessary for the eSOM 3517 To disable the write protection just login with the username root and the password root and enter the following command mount o remount rw This command mounts the file system as read write All files are now writable and de letable Please pay attention not to damage important system files With the command mount o remount ro the system is set to the read only initial condition after the boot process COM6 115200baud Tera Term VT File Edit Setup Control Window Help eSOM 3517 Linux emblinux ttyS emblinux login root Password root emblinux cd var root emblinux var cat gt test txt sh can t create test txt Read only file system root emblinux var mount 7 o remount rw root emblinux var cat gt
7. DNS Suf fix IP Adresse 192 168 0 254 Subnet zmaske 255 255 255 0 Standardgateway C Dokumente und Einstel lungen kdw gt Figure 12 Windows PC IP address check with ipconfig Talk to your network administrator if you have problems with the IP address understand ing Please note To change the ex factory IP address 192 168 0 126 of the eSOM 3517 please refer to chapter 2 14 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 9 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 C nM C Dokumente und Einstellungen kdw gt ping 192 168 0 126 Ping wird ausgef hrt f r 192 168 0 126 mit 32 Bytes Daten Antwort von 192 168 126 Bytes 32 Zeit 1ims TTL 255 Q Antwort von 192 168 0 126 Bytes 32 Zeit lt ims TTL 255 Antwort von 192 168 0 126 Bytes 32 Zeit lt ims TTL 255 Antwort von 192 168 0 126 Bytes 32 Zeit lt ims TTL 255 ing Stat ist ik f r 192 168 D 126 akete Gesendet 4 Empfangen 4 Verloren 8X Verlust Ca Zeitangaben in Millisek Minimum ms Maximum ims Mittelwert Wms C Dokumente und Einstellungen kdw gt 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 Then check the TCP IP setup of your PC Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 10 Using a Te
8. the first step Please see the U Boot environment variable boot delay for details COM6 115200baud Tera Term VT File Edit Setup Control Window Help ogger created 256K 109 los events logger created 64K log los radio ger created 64K log log system Te cubic registered NET Registered protocol family 17 can controller area network 19 5 rev 20090105 abi 8 NET Registered protocol famil 142 27 can raw protocol rev 20090105 can broadcast manager protocol rev 20090105 t Power Management for MAPS VFP support v 3 implementor 41 architecture 3 part 30 variant c rev 1 switching to colour frame buffer device 100x60 DK epos DPI Could not find exact pixel clock Requested 32180 kHz got 34560 z regulator init complete incomplete constraints leaving LDO2 on regulator init gomplete incomplete constraints leaving LDO1 on emac mii rtc ds 1307 1 0068 setting system clock to 2000 01 01 00 02 46 UTC 946684966 ffs dev is 32505864 name is mtdblock8 yaffs passed flags yaffs MTD mount on 31 8 mtdblock8 yaffs restored from checkpoint yatfs read_super isCheckpointed 1 Mounted root yaffs2 filesystem readonly on device Freeing init memory INIT version 2 86 boot ing e CtEXT3 e MA root system to ro Loading modules rs485 kodone Mounting userspace flash Mounting local files Setting the System C k Fri Jan 1 00 00 00 UTC 2010 done Setting up IP spoofing pr
9. ave FTP read write permission in the file system of the eSOM SKS Please Note Before you start an FTP file transfer to the eSOM SKS5 please make sure you have the read write permission in the file system For further information about the file system please refer to chapter 2 7 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 12 Checking TFTP Client The eSOM SKS5 Linux comes with a pre installed TFTP client This client allows the file transfer via Ethernet between a PC and the eSOM SK5 Run a TFTP server like TFTPD32 on your PC for a test To transfer a file with the name autostart sh into the directory var of the eSOM SK5 execute the following commands within a Telnet session cd var tftp 192 168 0 249 get autostart sh quit With the first command you change into the directory var of the eSOM SKS The second command establishes a connection to the TFTP server In this example the PC with the TFTP server has the IP address 192 168 0 249 The third command transfers the file with TFTP GET After the file transfer Linux shows how many bytes have been transferred The fourth command disconnects the TFTP server You can now access the new file in the file system of the eSOM SKS 192 168 0 126 23 Tera Term VT File Edit Setup Control Window Resize Help root Wat 1sam tftp gt get autostart s N ticis bytes in seconds p quit root at91sam9263 var ls al drwxr xr x 3 root root drwxr xr x 14 roo
10. ayout T 4 3 2 ap D J6 COM3 connector N J8 USB1 USB2 connector 2 JP1 COMG termination jumper J10 DVI port 3 J9 10 100 Mbps Ethernet connector 8 J1 eSOM 200 module connector 1 4 J2 eSOM 200 module connector 2 51 Reset button 5 J4 COM1 connector 1 J11 Power connector 6 J3 LCD connector Figure 21 Board layout of BB7 eSOM1 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 3 2 Pinout COM1 Connector J4 Pin Name 1 DCD COM1 Serial Port DCD Pin 2 DSR COMI Serial Port RXD Pin 3 RXD COM1 Serial Port TXD Pin 4 RTS COM1 Serial Port DTR Pin 5 TXD Ground 6 CTS COM Serial Port DSR Pin 7 DTR COM1 Serial Port RTS Pin 8 RI COMI Serial Port CTS Pin 9 GND COMI Serial Port RI Pin 10 Not connected Table4 Pinout 2 1 552 COMI connector 10 9 3 3 Pinout COMS3 Connector J6 RX TX RX TX O POD 1 I I CO I 1 I TES COMS Serial Port RX TX Pin RS485 COMS Serial Port RX TX Pin RS485 Table 5 Pinout COM3 connector 2 1 Be 10 9 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 3 4 USB1 USB2 Connector J8 Pin Name j Function A1 VCC5 5 VDC Power Output A2 DATAI USB1 Host A3 DATA1 USB1 Host A4 GND Ground A5 Shield B1 Shield 2 GND Ground B3 DATA2 USB2 Host B4 DATA2 USB2 Host B5 VCC5 5 VDC Power Output Table 6 Pinout USB1 USB2 co
11. ce cable and the null modem cable for this connection colored wire serial I F cable null modem cable Figure 1 Serial link between BB7 eSOM1 and PC First connect one end of the serial interface cable with COMI port of the BB7 eSOM1 Then connect the serial interface cable over the null modem cable with an unused RS232 COM port of the PC Make sure that this PC RS232 COM port supports 115 200 bps Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps Ethernet Link between BB7 eSOM1 and PC 2 2 Setup the Ethernet LAN link between the Evaluation Board BB7 eSOM1 and your PC Use an Ethernet cross over cable or a switch based infrastructure for the LAN connection Figure 2 Ethernet link between BB7 eSOM1 and PC Please note The eSOM 3517 comes with the default IP address 192 168 0 126 Please make sure that your PC can work with the IP address range 192 168 0 x switch patch cable patch cable Figure 3 Switch based Ethernet link between BB7 eSOM1 and PC Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 3 Connecting Power Supply and Power up the Starter Kit Connect the 12 24 VDC power supply which is included in the scope of delivery of the eSOM SK5 with the power connector of the BB7 eSOM1 Please note Make sure that all cable connections are OK Then power up the Starter Kit power supply Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 4 Using Se
12. e IP address settings are stored in the file etc network interfaces Runa Telnet session and start the editor mcedit which is part of the Linux To start mcedit with HyperTerminal in ANSI mode enter the following command TERM ansi mcedit etc network interfaces Ies T HyperTerminal t Datei Bearbeiten Ansicht Anrufen bertragung ba 65 228 The T auto pou i ne ne verbunden 00 00 59 ANSI 115200 8 N 1 RF GROSS NUM Aufzeichnen Druckerecho Figure 19 The editor mcedit within HyperTerminal To start mcedit with PuT TY enter the following command TERM xterm mcedit etc network interfaces Fr TER Figure 20 The editor mcedit within PuTTY Manual Revision 1 0 19 eSOM SK5 eSOM 3517 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 for SAVE the shortcut is ESC 2 Please Note To change a file with the editor mcedit you need the read write per mission within the file system For further information about the file system please refer to chapter 2 7 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 3 BB7 ESOM1 HARDWARE REFERENCE The following chapters describe the main hardware components of the BB7 eSOMI 3 1 BB7 eSOM1 Board L
13. e root and the password root Then press Enter boot delay is a U Boot environment variable The value defines a wait time before U Boot starts the Linux operating system Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 6 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 COM I serial interface if RCM is enabled please see the eSOM 3517 hardware reference manual for details It is possible to interrupt the boot process and switch to the U Boot command line interface Just hit a key of your terminal emulation program 2 Without interruption the U Boot boot loader starts a Linux OS image after the wait period from the eSOM 3517 Flash memory COM6 115200baud Tera Term VT File Edit Setup Control Window Help ooting from n Starting OS Bootloader U Boot 2009 11 00070 gc5b275f dirty Sep 23 2011 11 00 09 OMAP34xx 35xx GP ES1 0 CPU OPP2 L3 165MHz 2209517 LPDDR NAND ad 256 MB 8 MB D 1024 MiB serial seris ial 42430000000000000015 5e9b00500e016 Net davinci_emac_initialize Ethernet PHY GENERIC OxQO aVinci C Hit any key to stop autoboot 1 Figure 8 U Boot wait message Please note The U Boot command line interface allows changing the wait time of
14. es 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 The eSOM 3517 U Boot boot loader allows the downloading of new Linux kernel versions and root file systems to the eSOM 3517 RAM and Flash This in system programming fea ture can be used by a simple serial and Ethernet link between the development system and the eSOM 3517 e eSOM 3517 with Texas Instruments AM3517 32 bit ARM Cortex A8 SoC 600 MHz e 256 MB DDR2 SDRAM e 1GBNAND Flash memory for O S boot image and data files e 8MB NOR Flash memory e U Boot boot loader and Embedded Linux pre installed in Flash memory e Evaluation Board BB7 eSOMI 107 x 187 mm e 7 LCD with touchscreen resolution 800 x 480 px e 110 VAC or 230 VAC to 12 24 VDC international power supply e CD ROM with user manual and hardware programmers manuals e Embedded Linux with source e GNU cross tool chain for C C software development for Linux based PCs e GNU gdb and gdbserver for Ethernet based remote debugging e Linux remote login with Telnet e Web server setup sample e FTP server setup sample e TFTP client setup sample e Many source code samples Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 GETTING STARTED 2 1 Serial Link between BB7 eSOM1 and PC Setup the serial link between the Evaluation Board BB7 eSOM1 and your PC Use the serial interfa
15. face and no boot delay based wait period Direct after the hardware init the U Boot boot loader starts the Linux OS image 2 Linux takes control over the eSOM 3517 hardware and runs all necessary proc esses for coming up to live COM6 115200baud Tera Term VT File Edit Control Window Help capture inter v OMAP Watchdog imer Rev Ox31 Gan timeout 60 sec usbcore registered new interface driver usbhi SB HID core drive er created 64K log log_main created 256K log log events created 64K log log_radio er created 64K log log system cubic registered Registered protocol family 17 controller area network ans rev 20090105 abi 8 Registered protocol famil raw protocol rev 20090105 can broadcast manager protocol rev 20090105 t Power Management for MAP3 VFP support v 3 implementor 41 architecture 3 part 30 variant c rev 1 Console switching to colour frame buffer device 100x omapdss DPI Could not find exact pixel clock Requested 32180 kHz got 34560 kHz probed rtc ds 1307 1 0068 setting system clock to 2000 01 01 00 00 08 UTC 946684808 yaffs dev is name is mtdblock8 yaffs passed fla yaffs Attempt ing MTD mount on 31 8 mtdblock8 yaffs restored from checkpoint affs read super isCheckpointed 1 FS Mounted root yaffs2 filesystem readonly on device 31 8 Freeing init memory K T version 2 86 booting Mounting sys filesystem
16. lnet 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 icrosoft Windows XP LVe on 5 1 2600 Copyright 1985 2001 Microsoft Corp NDokumente und Einstellungen kdw gt telnet 192 168 0 126 Figure 14 Run the Windows Telnet client program Wait until the eSOM 3517 Linux requests a user name Please use the login name root and the password root Then press Enter Please note The eSOM 3517 Linux comes with BusyBox All Linux command line commands are implemented in BusyBox BusyBox combines tiny versions of many common UNIX utilities into a single small executable It provides replacements for most of the utilities you usually find in GNU fileutils shellutils etc The utilities in BusyBox generally have fewer options than their full featured GNU cousins how ever the options that are included provide the expected functionality and behave very much like their GNU counterparts BusyBox provides a fairly complete envi ronment for any small or embedded system Linux 2 6 18 8 dmp ssvl emblinux emblinux login root Linux emblinux 2 6 18 8 dmp ssvi 1 PREEMPT Fri Apr 4 10 17 51 CEST 2008 i486 The programs included with the Debian GNU Linux system are free software the exact distribution terms for each program are described in the individual files in usr share doc copyright Debian GNU Linux comes with ABSOLUTELY NO WARRANTY
17. m one area u UTEM 15 2 1 Ie al TTP IS N EIE E ET 16 PX PEERS S lt LEITET 17 2513 Ge or RIS RET m m 18 2 14 Changing Ex Factory IP Address ae ee ee 19 3 BB ESOM1 HARDWARE REFERENCE nnne nnn nna 21 3 1 BBZ SOMI Board LIOU ee ee ee een 21 Du Pinou ONE GU mier PE 22 3 3 Pinout COM gt Connector dc 22 3 4 ASB AIS CUO NG ee une ee Der ner een 23 2 9 Pinout Power CO nie Clara RH ETE 25 3 6 COM3 Termination Jumper RS485 JP oe ecccccccccceceeesseeeeceeeeseeseeesseeeeeeeeeaeeeeeees 23 E mas EN OEEE 24 24 DOCUMEN EAD TORY 24 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 1 INTRODUCTION The Starter Kit eSOM SKS 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 BB7 eSOMI with a mounted 7 LCD Touchscreen power supply null modem cable serial interface cable a CD ROM with software and documentation and a printed user manual for the first steps with the Starter Kit The Starter Kit CD ROM comes with a full GNU cross tool chain for C C software de velopment The binary files of this pre build tool chain r
18. nnector B1 B5 3 5 Pinout Power Connector J11 PinjName Function O 1 Vin Power In 12 24 VDC 2 GND Ground Table 7 Pinout power connector 3 6 COM3 Termination Jumper RS485 JP1 COM Jumper Function U U no Termination or Biasing for COM3 H only Line Biasing for COM3 32 Nodes 2 Rterm only 120R Termination Resistor for COM3 Termination and Line Biasing for COM3 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 4 HELPFUL LITERATURE e eSOM 3517 hardware reference manual CONTACT SSV Embedded Systems Diinenweg 5 D 30419 Hannover Phone 49 0 511 40 000 0 Fax 49 0 511 40 000 40 E mail sales ssv embedded de Internet www ssv embedded de Forum www ssv comm de forum DOCUMENT HISTORY Revision Date oRemrkss Name 77 1 0 2012 03 22 first version WBU The content of this document can change any time without announcement There is taken over no guarantee for the accuracy of the statements The user assumes the entire risk as to the accuracy and the use of this document 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 Manual Revision 1 0
19. otection d Configuring network interfaces Entering runlevel Starting Mis dns rine ind inetd Starting piace Starting Ligh Starting OpenBS Starting Watchdog eSOM 3517 Linux emblinux ttyS emblinux login PHY ffffffff OO Link is Up 100 Full eSOM 3517 Linux emblinux ttyS emblinux login B Figure 9 Linux booting process after the U Boot boot delay 10 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps F COM6 115200baud Tera Term VT File Edit Setup Control Window Help eSOM 3517 Linux emblinux ttyS emblinux login root Password m Z STAT COMMAND S init 0 SW kthreadd Cksoftirqd ee el Levents khelper ee ee Suspend 1 Sync supers Lbdi default 1l Ckblockd ksuspend_usbd khubd kseriod Lkmmcd1 rpciod O Ckhungtaskd kswapd nfsiodl Lcrypto 0 mtdblockd Lusbhid_resumer usr libexec inetd 00 nag n 0 var log syslog messages s 32 b sbin klogd n usr sbin lighttpd f etc lighttpd conf usr local webgui eSOM3517 www int cgi bin webguid fc usr sbin sshd c etc watchdog_sys conf 5 ps SW W W W W W W W W W W W W W W W W W W W W S 5 S S S S S S S S S S S S S S S S S S S 5 S S S 5 S S R root emblinux 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
20. rial Link with Terminal Program Run HyperTerminal on your Windows PC minicom or a similar simple terminal emulation program on your Linux based PC Verbinden mit e DIL NetPC Geben Sie die Rufnummer ein die gew hlt werden soll Land Region Ortskennzahl n Verbindung herstellen ber COMS he 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 Eigenschaften von COM1 A MEN Anschlusseinstellungen Bits pro Sekunde PARAHI Datenbits 8 Paritat Keine Stoppbits 1 Husssteuerung Kein Wiederherstellen bernehmen Figure 6 Parameter setup with HyperTerminal Parameter Value Speed 115 200 bps Data Bits 8 Parity None Stop Bits 1 Protocol No Xon Xoff RTS CTS or similar Table 2 Setup parameters for the serial link Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 5 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 U Boot initializes the hardware components hardware init With RCM disabled please see the eSOM 3517 hardware reference man ual for details there is no U Boot text message output over the eSOM 3517 COMI serial inter
21. t root a rw r r root root 22 p T autostart sh lrwxrwxrwx root root e cache gt volatile cache rw r r root root es lrwxrwxrwx root root lock gt volatile lock root root F log gt volatile log root root run gt volatile run root root tmp gt volatile tmp xrwt 7 root root volatile root at 91s am9263 var Figure 17 File transfer via TFTP Please Note Before you start a TFTP file transfer to the eSOM SKS please make sure you have the read write permission within the file system For further infor mation about the file system please refer to chapter 2 7 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 13 Checking HTTP Server The eSOM SK5 Linux comes with a pre installed Web server Run a Web browser on your PC for a test and enter the following address http 192 168 0 126 into the address bar of the browser The browser shows the file index html which 15 stored in the directory www of the eSOM SKS Into this directory you can load own files Yahoo Mozilla Firefox Datei Bearbeiten Ansicht Chronik Lesezeichen Extras Hilfe ES gg SB 152 168 0 126 ZEN http 192 168 0 Informationen Extras Einstellungen Figure 18 Checking the Web server of the eSOM SKS with a browser 18 Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 2 14 Changing Ex Factory IP Address The default IP address of the eSOM SK5 is 192 168 0 126 Th
22. un on an x86 Linux based host SuSE Red Hat or other For using the eSOM SK5 Embedded Linux Starter Kit you need a development system The minimal configuration for this system is a Windows based PC with the HyperTerminal ter minal emulation program and a free COM port COMI COM2 or USB based COMx for the RS232 serial link between the eSOM 3517 and HyperTerminal For using the Ethernet link your PC needs an Ethernet adapter with 10 Mbps or 10 100 Mbps LAN interface This environment allows Web server programming HTML pages Java applets and Linux shell script programming For using the GNU C C cross tool chain it is necessary to run Linux on the development system 1 1 Safety Guidelines Please read the following safety guidelines carefully In case of property or personal damage by not paying attention to this document and or by incorrect handling we do not assume liability In such cases any warranty claim expires e Discharge yourself before you work with the device e g by touching a heater of metal to avoid damages e Stay grounded while working with the device to avoid damage through electrostatic discharge 1 2 Conventions Convention Usage bold Important terms italic User inputs and other specials monospace Pathnames internet addresses and program code Table 1 Conventions used in this Document Manual Revision 1 0 eSOM SK5 eSOM 3517 First Steps 1 3 Features and Technical Data The eSOM SKS com
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