Owasys Owa4X User Manual

%&'"()*+,,-,,.".
• Read the DTB image, erase the old one from the flash and write the
new one
1
fatload mmc 0 0x82000000 am335x-owasys.dtb
nand erase.part NAND.u-boot-spl-os
nand write 0x82000000 NAND.u-boot-spl-os ${filesize}
• Read the kernel image, erase the old one from the flash and write the
new one
fatload mmc 0 0x82000000 zImage
nand erase.part NAND.kernel
nand write 0x82000000 NAND.kernel ${filesize}
• Read the backup FS image, erase the old one from the flash and write
the new one
fatload mmc 0 0x82000000 ubi.img.backup1
nand erase.part NAND.file-system.backup1
nand write 0x82000000 NAND.file-system.backup1 ${filesize}
• Read the Debian FS image, erase the old one from the flash and write
the new one
fatload mmc 0 0x82000000 ubi.img
nand erase.part NAND.file-system
nand write 0x82000000 NAND.file-system ${filesize}
( 9#92)
The owa4x FW components can be saved in a TFTP server in the same LAN
where the owa4x is connected, or which is accessible to it, and the owa4x can
get them using a set of commands.
Take care with this process, over all with MLO and u-boot images reflashing, as
writing incorrectly on these could brick the unit.
These are the instruction steps for the whole process:
• Power up the owa4x and press the space bar to enter the bootloader
prompt
• Connect the Ethernet cable to the RJ45 connector
• Set the environment variables, for example when connecting the owa4x
in a LAN with private IP network 192.168.100.255 and the TFTP server
in 192.168.100.1:
env set ipaddr 192.168.100.2
env set serverip 192.168.100.1
Remove the partitions to be upgraded. From following commands use only the
needed ones. The commands remove the MLO, u-boot, DTB 43, kernel, backup
FS and Debian FS:
• ONLY IF U-BOOT HAS BEEN UPDATED! Check the u-boot version
with command version at the u-boot prompt, and flash the MLO ONLY if
the u-boot version at the dev zone is newer. This step is critical and
could brick the unit, so make sure of inserting the commands correctly.
MLO update.
+
(& @#
A
&/

Owasys Owa4X Specifications

General

Model	Owa4X
Power Supply	9-36 VDC
Operating System	Linux
Cellular Connectivity	4G LTE
Wi-Fi	802.11 b/g/n
Ethernet	10/100 Mbps
GPS	Yes
Serial Ports	2x RS232/RS485
USB	1x USB 2.0
Digital Inputs	4
Storage	4GB Flash
Bluetooth	Yes
Ports	Ethernet, USB, Serial

Summary

Safety and Handling Precautions

General Device Safety

Covers safe operation, handling, environment, and specific warnings.

Electrical Safety and RF Exposure

Details power supply, connections, protections, EMC, and RF energy exposure.

Specific Environment Warnings

Addresses blasting areas, explosive atmospheres, and children's safety.

Introduction to Owa4X Platform

Product Overview and Features

Introduces the Owa4X platform, its purpose, and key features.

Abbreviations and Notes

Explains abbreviations and provides guidance on notes and warnings.

Getting Started with the Developer Kit

Physical Description

Details physical aspects of the Owa4X, rear cover options, and board connectors.

Connecting to a PC

Guides for establishing PC connectivity via serial and Ethernet interfaces.

Owa4X Hardware Features

Core Specifications and Interfaces

Covers microprocessor, memory, GSM/GPRS, GNSS, and general hardware interfaces.

Detailed Interface Descriptions

Specifics on USB, Machine Connector, digital/analog I/Os, and communication protocols.

System Time, Sensors, and Optional Features

Information on system clocks, temperature, accelerometer, watchdog, and optional modules.

Power Management

Functional States and System Halt

Describes operational states, power modes, and procedures for halting the system.

Firmware Specifications and Updates

Firmware Overview and Boot Loader

Details firmware structure, boot loader, kernel, file system, and recovery.

Application Development and APIs

Guidance on developing applications using available APIs and software notes.

Firmware Update and Customization

Procedures for updating firmware via uSD/TFTP and creating custom UBIFS images.

U-boot and Systemd Management

U-boot Environment and Boot Protection

Configuration of U-boot environment variables and system boot protection.

Systemd Service Management

Introduction to systemd, boot process, unit files, and logging.

Installation and Technical Data

Installation and Mounting Procedures

Guides for unit dimensions, mounting, antenna setup, and power connection.

Technical Data Summary

Comprehensive summary of specifications including general, mechanical, power, GSM/GPRS, GNSS, and environmental data.

References and History

Document References and Revision Log

Lists referenced documents and the history of changes made to the manual.