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39

EKI-1121L/1122L/1124L User Manual

Chapter 4

D

evelopment

Guide

4.2.2

User Space via FTP

Sometimes, user wants to execute applications in file system of EKI-1121L/1122L/
1124L. Please use the following commands to get and execute the files.

Figure 4.1 How to Get Applications via FTP

4.2.3

Root File-system

we support jffs2 file system in current version.

4.3

Device APIs

4.3.1

Serial port APIs

Each serial port has an associated device file.  To access a serial port, you simply
open the corresponding device file.

Port configuration is done using the POSIX termios interface.  Developing in C, you
will first need to include the <termios.h> header file to use the required functions.

Additionally, the serial port line drivers are software configurable for RS-232, RS-422
or RS-485 operation, through the termios interface.  You will need to include the
adv.h header file or the following defines.

#define IRS4220100000

#define IRS4850200000

Peripheral

Device File

Serial Port 1

/dev/ttyAP0

Serial Port 2

/dev/ttyAP1

Serial Port 3

/dev/ttyAP2

Serial Port 4

/dev/ttyAP3

Содержание EKI-1121L

Страница 1: ...User Manual EKI 1121L EKI 1122L EKI 1124L 1 2 4 port Programmable Serial Device Servers...

Страница 2: ...allation Advantech assumes no liability under the terms of this warranty as a consequence of such events Because of Advantech s high quality control standards and rigorous testing most of our customer...

Страница 3: ...you can be assured that your product will provide the reliability and ease of operation for which the name Advantech has come to be known Your satisfaction is our number one concern Here is a guide t...

Страница 4: ...ever pour any liquid into an opening This may cause fire or electrical shock 13 Never open the equipment For safety reasons the equipment should be opened only by qualified service personnel 14 If one...

Страница 5: ...of EKI 1224L 12 2 4 Connecting Hardware 13 2 4 1 Choosing the Location 13 Figure 2 13Combine the Metal Mounting Kit 13 Figure 2 14Din rail Step1 14 Figure 2 15Din rail Step2 15 2 4 2 Connecting Power...

Страница 6: ...PPoE client 34 3 3 Partition of Flash 35 Chapter 4 Development Guide 37 4 1 Establish Develop Environment 38 4 1 1 Install the Cross Compile Tool Chain 38 4 1 2 Setup the Runtime Environment 38 4 2 Pu...

Страница 7: ...Chapter 1 1 Introduction...

Страница 8: ...platform for Linux build in flash Compact size and light weight 0 60 C wide range operation temperature DIN rail and wall mounting 10 100 Mbps Base T standard Surge protection for RS 485 line and pow...

Страница 9: ...ctive Serial Tx Rx Power Requirements Dual unregulated 12 to 48 Vdc with surge protection Power Consumption EKI 1121L 2 W EKI 1122L 2 5 W EKI 1124L 4 W Enclosure Metal with solid DIN rail or panel mou...

Страница 10: ...EKI 1121L 1122L 1124L User Manual 4...

Страница 11: ...Chapter 2 2 Getting Started...

Страница 12: ...ways to create networked applications for remote managing and accessing data for their control devices that wasn t possible before 2 2 Hardware The following instructions will give the overview of EKI...

Страница 13: ...7 EKI 1121L 1122L 1124L User Manual Chapter 2 Getting Started 2 3 Dimensions Units mm EKI 1121L Figure 2 1 Front View of EKI 1121L Figure 2 2 Side View of EKI 1121L...

Страница 14: ...EKI 1121L 1122L 1124L User Manual 8 Figure 2 3 Back View of EKI 1121L Figure 2 4 Top View of EKI 1121L...

Страница 15: ...9 EKI 1121L 1122L 1124L User Manual Chapter 2 Getting Started EKI 1122L Figure 2 5 Front View of EKI 1122L Figure 2 6 Side View of EKI 1122L...

Страница 16: ...EKI 1121L 1122L 1124L User Manual 10 Figure 2 7 Back View of EKI 1122L Figure 2 8 Top View of EKI 1122L...

Страница 17: ...11 EKI 1121L 1122L 1124L User Manual Chapter 2 Getting Started EKI 1124L Figure 2 9 Front View of EKI 1124L Figure 2 10 Side View of EKI 1124L...

Страница 18: ...EKI 1121L 1122L 1124L User Manual 12 Figure 2 11 Back View of EKI 1124L Figure 2 12 Top View of EKI 1224L...

Страница 19: ...1121L 1122L 1124L 2 4 1 Choosing the Location Due to its versatility and innovative design the EKI 1122L 1122L 1124L can be Fixed to a panel mount Fixed to a DIN rail 2 4 1 1 Panel Wall Mounting The E...

Страница 20: ...DIN rail kit is screwed on the Modbus data gateway when out of factory If the DIN rail kit is not screwed on the EKI 1121L 1122L 1124L please screw the DIN rail kit on the Modbus data gateway first Fi...

Страница 21: ...12 to 48 VDC power inputs and a power fail relay output Below figure is the power terminal block pin assignments Please refer it to connect to the proper power and polarity Figure 2 16 Power Connector...

Страница 22: ...nt transmission speed on the network and configure itself accordingly For normal operation the EKI 1121L 1122L 1124L can be connected to other hubs or switches through a twisted pair straight through...

Страница 23: ...Chapter 3 3 Installation and Configuration...

Страница 24: ...om on Linux third party application Netterm or kind of Use baud rate 115200 bps no parity 8 bits data length and 1 stop bit 4 Connect the power cord to the EKI 1121L 1122L 1124L and plug the other end...

Страница 25: ...N MMDDhhmm CC YY ss FORMAT For example Tue Apr 10 15 39 12 UTC 2007 You can type in date 041015392007 12 to update system date Figure 3 2 Configure RTC In order to maintain the correct time when power...

Страница 26: ...rnet when booting up by default 3 2 2 1 Using Static IP User can modify the etc rc var other1 init custom file like below to make system boot up using static IP etc rc var other1 init custom will be e...

Страница 27: ...and Configuration 3 2 2 2 Using DHCP User can modify the etc rc var other1 init custom file like below to make system boot up using DHCP And user can obtain IP address with command line For example Fi...

Страница 28: ...ted by default User can telnet to EKI 1121L 1122L 1124L by telnet client in another com puter After you telnet into the EKI 1121L 1122L 1124L all the other operations is the same as using console And...

Страница 29: ...rvice is already started by default User can ftp to EKI 1121L 1122L 1124L by ftp client in another computer to get and put files Figure 3 6 FTP Client in Another Computer 172 21 73 77 is your EKI 1121...

Страница 30: ...omputer Please look at get and put command line In get command line user must use full path of file that will be transmitted from EKI 1121L 1122L 1124L to a local file with the same name In put comman...

Страница 31: ...3 Installation and Configuration If user wants to connect other computers by ftp client in EKI 1121L 1122L 1124L use command to put and get file like this Figure 3 8 FTP Client in EKI 1121 1122 1124 1...

Страница 32: ...d Client When boot up the EKI 1121L 1122L 1124L the tftp service is already started by default User can tftp to EKI 1121L 1122L 1124L by tftp client in another computer Use command to get and put file...

Страница 33: ...mmand line user must use full path of file of EKI 1121L 1122L 1124L and file name must be the same as that will be put If user wants to connect another computer by tftp client in EKI 1121L 1122L 1124L...

Страница 34: ...21L 1122L 1124L provided by another computer with NFS service Use mount command like this Figure 3 11 NFS Client in EKI 1121L 1122L 1124L 172 21 73 101 is another computer s IP address home jinxin tes...

Страница 35: ...ter 3 Installation and Configuration 3 2 7 NTP Client User can synchronize time on EKI 1121L 1122L 1124L by using ntp client Use msntp command like this Figure 3 12 NTP Client in EKI 1121L 1122L 1124L...

Страница 36: ...Simple Network Management Proto col v1 and v2c agent software When boot up the EKI 1121L 1122L 1124L the snmp client is not started by default user must start snmp serveice like this Figure 3 13 SNMP...

Страница 37: ...lation and Configuration Then user can manage EKI 1121L 1122L 1124L by snmp service in another com puter use snmpwalk command like this Figure 3 14 SNMP Message in Manage Computer And user can modify...

Страница 38: ...4L the smtp client is already started by default User can send mail via smtp server Use mail command to send mail like this Figure 3 15 MAIL Client in EKI 1121 1122 1124 172 21 73 74 is smtp server s...

Страница 39: ...ddress box If user wants to make your pages You can do it like this Firstly save your own homepage to the following directory var other1 www And then save your CGI page to the following directory var...

Страница 40: ...ATZ INIT_MODEM ATL1M1V1S11 55S7 75 DIAL ATDT TELEPHONE chat ABORT ERROR ABORT BUSY ABORT NO ANSWER ABORT RING r n r nRING AT OK c OK HANGUP OK RESET_MODEM OK INIT_MODEM TIMEOUT 30 OK DIAL CONNECT var...

Страница 41: ...following command to launch the pppoe connection After the connection is built a new Ethernet interface ppp will attach to system 3 3 Partition of Flash As mentioned before the flash has 4 partitions...

Страница 42: ...EKI 1121L 1122L 1124L User Manual 36...

Страница 43: ...Chapter 4 4 Development Guide...

Страница 44: ...0121 bin to environment variant PATH and export it 3 Add following line into bash_profile According to the different shell you use the configuration file name maybe different 4 Re login the account 5...

Страница 45: ...ted device file To access a serial port you simply open the corresponding device file Port configuration is done using the POSIX termios interface Developing in C you will first need to include the te...

Страница 46: ...TCSANOW PortTermios For a complete example of serial port configuration please see the provided seria lecho c example 4 3 2 RTC APIs To access a RTC device you simply open the corresponding device fil...

Страница 47: ...ter 4 Development Guide else flag 1 cmd LEDMAN_CMD_OFF your action if ioctl devfp cmd LEDMAN_HEARTBEAT 0 ioctl devfp cmd LEDMAN_RESET 0 your action For a complete example of serial port configuration...

Страница 48: ...EKI 1121L 1122L 1124L User Manual 42...

Страница 49: ...Chapter 5 5 Troubleshooting...

Страница 50: ...led because it only had 12288 bytes to start with In this case you need fis load and fis write but not fis create the jffs2fs img again under redboot For examples redboot load r v h 172 21 73 101 b 0x...

Страница 51: ...Appendix A A Restore the Platform Kernel...

Страница 52: ...errors jffs2_get_inode_nodes Node header CRC failed at 0x06add4 df0e e002 df4edf4e df4edf4e This is because that part of flash space is not formatted according to the jffs2 format Generally speaking...

Страница 53: ...Appendix B B Erase JFFS2 File System...

Страница 54: ...o valid JFFS2 nodes mtdblock_release ok mount wrong fs type bad option bad superblock on dev mtdblock3 missing codepage or other error mtdblock_open ok mtdblock_release ok In some cases useful info is...

Страница 55: ...Appendix C C Command Collection...

Страница 56: ...on options 20 rmdir Remove the directory ies if they are empty 21 sync Write all buffered filesystem blocks to disk C 2 Editor 22 cat Concatenates FILE s and prints them to stdout 23 cmp Compare files...

Страница 57: ...used for PPP and other processes that need to talk to modems 54 hostname Get or set the hostname or DNS domain name 55 ifconfig Configure a network interface 56 iproute Equivalent to selecting route...

Страница 58: ...shutdown in the hard ware clock so the hardware will keep the correct time when Linux is _not_ run ning 73 mesg Mesg controls access to your terminal by others It is typically used to allow or disallo...

Страница 59: ...53 EKI 1121L 1122L 1124L User Manual Appendix C Command Collection...

Страница 60: ...ations are subject to change without notice No part of this publication may be reproduced in any form or by any means electronic photocopying recording or otherwise without prior written permis sion o...

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