Owasys Owa4X - Default Chapter; Table of Contents

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1 Safety and other precautions..........................................................................................5
1.1 General.....................................................................................................................5
1.2 Owa4X connections.................................................................................................5
1.3 Owa4X protections..................................................................................................5
1.4 EMC Instructions.....................................................................................................5
1.5 Exposure to RF Energy............................................................................................5
1.6 Antenna care and replacement.................................................................................6
1.7 Electronic devices....................................................................................................6
1.8 Blasting areas...........................................................................................................6
1.9 Children...................................................................................................................6
1.10 Explosive atmospheres..........................................................................................6
1.11 Handling the device...............................................................................................6
1.12 For owa4X/b..........................................................................................................7
2 Introduction...................................................................................................................8
2.1 Overview.................................................................................................................8
2.2 What is the owa4X Platform...................................................................................8
2.3 Abbreviations...........................................................................................................8
2.4 Notes and Warnings.................................................................................................9
3 Getting started with the DK.........................................................................................10
3.1 Introduction...........................................................................................................10
3.2 Development Kit Contents....................................................................................10
3.3 Physical Description..............................................................................................10
3.3.1 owa4X Physical Description...........................................................................10
3.3.2 Rear back cover options...................................................................................11
3.3.3 Developer’s Board Physical Description.........................................................15
3.3.4 Schematic of Developer’s Board....................................................................16
3.4 Connecting the owa4X Development Kit..............................................................19
3.4.1 Connecting owa4x to a PC..............................................................................20
3.4.2 Windows Hyperterminal..................................................................................20
3.4.3 Linux Minicom................................................................................................20
4 Owa4X Main Features.................................................................................................22
4.1 Hardware Features.................................................................................................22
4.1.1 Microprocessor and memory...........................................................................22
4.1.2 GSM/GPRS System.........................................................................................22
4.1.3 GNSS...............................................................................................................22
4.1.4 Hardware Interfaces.........................................................................................22
4.1.5 Internal Temperature........................................................................................33
4.1.6 System Time and HW time..............................................................................34
4.1.7 Accelerometer..................................................................................................34
4.1.8 Watchdog.........................................................................................................34
4.1.9 Optional Features.............................................................................................35
5 Power management......................................................................................................37
5.1 Functional states....................................................................................................37
5.2 System halt............................................................................................................37
6 Firmware Specifications..............................................................................................39
6.1 General Description of Firmware..........................................................................39
6.2 Boot Loader...........................................................................................................39
6.3 Linux Kernel..........................................................................................................39
6.4 File System............................................................................................................39
6.5 Recovery File System............................................................................................39