EM-1240-LX Device API | Moxa Technologies specs

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EM-1240-LX Device API

In this chapter, we discuss the Device API for the EM-1240-LX Series. We introduce the APIs for the following functions:

RTC (Real-time Clock)

Buzzer

UART Interface

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Moxa Technologies user manual EM-1240-LX Device API

Contents

EM-1240-LX User’s Manual First Edition, November Copyright Notice Table of Contents Chapter EM-1240-LX Device API Introduction Package Checklist Product FeaturesOverview EM-1240-LX Product Specifications Hardware Specifications Software Specifications Hardware Block Diagram Appearance EM-1240 Development Kit Embedded Module EM-1240 Embedded Module EM-1240 Development Kit Dimensions Installing the EM-1240-LX LED IndicatorsWiring Requirements Connecting Data Transmission Cables Connecting the PowerGrounding the EM-1240-LX Connecting to the Network Connecting to a Serial Device Reset Button Internal SD SocketAdditional Functions Serial Console Port Real-time Clock Getting Started Powering on the EM-1240-LX Connecting the EM-1240-LX to a PCConsole Port Default IP Address Default Netmask Telnet192.168.3.127 255.255.255.0 192.168.4.127 255.255.255.0 Configuring the Ethernet Interface Ifconfig eth0 Dhcpcd -p -a eth0 & dhcpcd -p -a eth1 Installing a Secure Digital SD Memory Card Installing the EM-1240-LX Tool Chain Developing Your ApplicationsStep #mount -t iso9660 /dev/cdrom /mnt/cdrom EM-1240-LX User’s Manual Compiling Hello.c PATH=/usr/local/arm-elf/bin$PATH Uploading Hello to the EM-1240-LX #make Running Hello on the EM-1240-LX # chmod 755 hello #./hello Make File Example Code Cflags = Software Package EM-1240-LX Software Architecture Flash Context Flash Address Size Access control Journaling Flash File System JFFS2Additional information about JFFS2 is available at EM-1240-LX Software Package Bin Dev Ptyp0 Ppp Pio Rtc Ram1 Ram0 Null Kmem Mem Cua0 Console Tty Configuring the EM-1240-LX ‰ Iptables ‰ NAT Example default enable Enabling and Disabling Daemons Default Home Page address Adding a Web Local Host Packets Define policy rules, and Append or delete rules UsageExamples Define policy for chain rules Enabling NAT at Bootup NAT Example Configuring Dial-in/Dial-out Service Configuring PPPoEDial-out Service Dial-in Service How to Mount a Remote NFS Server Dynamic Driver Module Load/Unload Ramdiskupkernel em1240-1.x.bin /ramdiskreboot Upgrading the KernelUpramdisk Cd ramdisk Upgrading the Root File System & User Directory Upramdisk Cd ramdisk User Directory Backup-EM-1240-LX to PC Ramdiskbackupfs /ramdisk/usrdisk-backup Loading Factory Defaults Mirroring the Application Program and ConfigurationAutostarting User Applications on Bootup Checking the Kernel and Root File System Versions Fsversion Cat /etc/version EM-1240-LX Device API RTC Real-time Clock BuzzerUart Interface UC Finder Windows UC Finder EM-1240-LX User’s Manual UC Finder EM-1240-LX User’s Manual UC Finder Linux UC Finder System Commands Busybox µClinux normal command utility collectionFile manager Editor Network ProcessOther Moxa Special Utilities Snmp Agent with MIB II & RS-232 Like Group Snmp Agent with MIB II & RS-232 Like Group Ip MIB Tcp MIB Udp MIB Snmp MIB RFC1317 RS-232 like group supported variables Rs232 MIB EM-1240-LX FAQ Service Information Moxa Internet Services Following services are provided Problem Report Form Moxa Product † EM-1240-LX Serial Number Product Return Procedure