Ublox EVK-W262U User manual

EVK-W262U
Evaluation kit for ODIN-W2 series
User Guide
Abstract
This document describes how to set up the EVK-W262U evaluation
kit to evaluate u-blox ODIN-W2 series with UART communication.
www.u
-blox.com
UBX
-15020900 - R04

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Document Information
Title EVK-W262U
Subtitle Evaluation kit for ODIN-W2 series
Document type User Guide
Document number UBX-15020900
Revision, date R04 26-May-2017
Disclosure restriction
This document applies to the following products:
Product name Type number Firmware version PCN reference
EVK-W262U EVK-W262U-00 1.0.0 N/A
u-blox reserves all rights to this document and the information contained herein. Products, names, logos and designs described herein may in
whole or in part be subject to intellectual property rights. Reproduction, use, modification or disclosure to third parties of this document or
any part thereof without the express permission of u-blox is strictly prohibited.
The information contained herein is provided “as is” and u-blox assumes no liability for the use of the information. No warranty, either express
or implied, is given, including but not limited, with respect to the accuracy, correctness, reliability and fitness for a particular purpose of the
information. This document may be revised by u-blox at any time. For most recent documents, please visit www.u-blox.com.
Copyright © 2017, u-blox AG.
u-blox®is a registered trademark of u-blox Holding AG in the EU and other countries.

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Contents
Contents..............................................................................................................................3
1Introduction..................................................................................................................4
1.1 Overview .............................................................................................................................................. 4
1.1.1 Features............................................................................................................................................ 4
1.1.2 System requirements......................................................................................................................... 4
1.1.3Specifications .................................................................................................................................... 5
1.2 Block diagram....................................................................................................................................... 5
1.3 Connectors........................................................................................................................................... 5
1.4 LEDs ..................................................................................................................................................... 5
1.5 System modes ...................................................................................................................................... 6
1.6 Buttons................................................................................................................................................. 6
2Getting started .............................................................................................................7
2.1 Software installation ............................................................................................................................. 7
2.2 Hardware installation............................................................................................................................ 7
2.3 Basic operations using s-center ............................................................................................................. 7
2.3.1 Connect to the ODIN-W2.................................................................................................................. 7
2.3.2 Using the s-center............................................................................................................................. 8
2.3.3 Get and set configuration ................................................................................................................. 9
2.3.4 Basic Bluetooth operation ............................................................................................................... 10
2.3.5 Basic Wi-Fi operation ...................................................................................................................... 12
2.4 Further information ............................................................................................................................ 12
2.5 Restoring default factory settings........................................................................................................ 13
Appendix ..........................................................................................................................14
AList of acronyms .........................................................................................................14
Related documents...........................................................................................................15
Revision history................................................................................................................15
Contact..............................................................................................................................16

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1Introduction
This document describes how to set up the u-blox EVK-W262U evaluation kit to evaluate the ODIN-W2 series
modules with UART communication.
1.1 Overview
The ODIN-W2 is a compact and powerful stand-alone multiradio module, designed for Internet-of-Things gateway
applications. The module includes embedded Bluetooth®stack, Wi-Fi driver, IP stack, and an application for wireless
data transfer, all configurable using AT commands. The wireless support includes dual-mode Bluetooth v4.0
(BR/EDR and low energy) and dual-band Wi-Fi (2.4 and 5 GHz bands).
The EVK-W262U evaluation kit enables easy evaluation of the u-blox ODIN-W2 series stand-alone IoT gateway
modules. All configurations are handled over a single USB interface that provides both power supply and high-
speed data transfer thus eliminating the need for an external power supply. A powerful software tool is also
included so evaluation can start immediately. The u-blox EVK-W262U evaluation kit is compact and mobile and
does not require any cables or extra antennas. Its user friendly interface makes it ideally suited for use in
laboratories and vehicles alike.
Figure 1: Overview of EVK-W262U evaluation kit
1.1.1 Features
•ODIN-W262 multiradio module with internal antenna
•USB 2.0 connector for virtual COM port interface and power
•5 LED indicators for status and activity
•Reset button for quick rebooting
•Factory restore button for easy recovery from non-standard settings
1.1.2 System requirements
•PC with USB interface
•Operating system: Windows Vista, 7, 8, and 10
•Internet connection for downloading the FTDI driver

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1.1.3 Specifications
Parameter Specification
Serial Interfaces
1 USB 2.0
Dimensions 55.5 x 17.0 mm
Power Supply 5 V through USB
Normal Operating Conditions -40 °C to +65 °C
Table 1: EVK-W262U specifications
1.2 Block diagram
Figure 2: Block diagram of main components of EVK-W262U
The EVK-W262U evaluation kit uses only one USB interface to communicate with the evaluation software and for
power supply. A DC/DC step down voltage converter (U1) supplies the ODIN module with a 3.3 V system voltage.
To transform the USB data signals to a common UART interface used by the module, a UART converter chip (U2)
is used. To help in the evaluation process, a reset and system restore button is featured as well as five LEDs to
indicate system status.
1.3 Connectors
A USB 2.0 compatible serial port is featured for data communication and power supply.
Function Description Name
UART over USB USB Type A connector, power source and interface for sending AT commands J2
Table 2: Available connectors in EVK-W262U
1.4 LEDs
The evaluation board has five LEDs to indicate status of system and communication link. The LEDs LD1 to LD4 are
located on the side of the PCB and indicate when the UART signals TXD, RXD, RTS and CTS are active as shown
in Table 3. The LD5 is an RGB LED located in the middle of the board that changes color according to the current
system mode.

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Function Description Name Color
TXD Blinks when data is being transmitted to the PC LD2 Yellow
RXD Blinks when data is being received from the PC LD1 Green
RTS Lit when the UART RTS signal is asserted LD4 Yellow
CTS Lit when the UART CTS signal is asserted LD3 Green
Mode RGB diode indicates the current system mode LD5 RGB
Table 3: Available LED indicators and their functions
1.5 System modes
The ODIN-W2 series modules can enter different modes of operation. The EVK includes an RGB LED to indicate
the current mode. See ODIN-W2 AT Commands manual [1] for more information about the modes.
Mode Status RGB LED color
Data mode IDLE Green
AT mode IDLE Orange
Data or AT mode CONNECTING1Purple
Data or AT mode CONNECTED1 Blue
Table 4: Different operational modes
1.6 Buttons
The evaluation board has two push-buttons located at the edge of the PCB as shown in Figure 1. Pressing the
Reset button will force a reset of the host CPU on the ODIN module. The Restore button will, in combination
with a reset, restore the settings of the serial interface and the current AT-configuration to its factory default as
described in the Restoring default factory settings section.
Function Description Name
Reset host Forced reset of the host CPU SW1
Restore factory settings /
External connect
Restores all the factory settings of the ODIN-W262 module
2
/ External input for multiple use,
see the ODIN-W2 AT Commands manual [1] for detailed use.
SW2
Table 5: Available push-buttons on the evaluation board
Be careful not to damage the electrical components through electrostatic discharge.
1The LED will flash in this state indicating data activity
2Restore function is enabled during startup. After starting up, SW2 is used as External connect.

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2Getting started
Internet connection is required for downloading the FTDI driver in the EVK-W262U evaluation kit.
2.1 Software installation
The EVK-W262U can be used together with the s-center software tool. The s-center software tool can be
downloaded from u-blox website. Download and run the executable. The software components will be installed
on your system and placed under the “u-blox” folder in the “Start -> All Programs” menu.
2.2 Hardware installation
Connecting the unit to a USB powered hub is not recommended. The unit may draw more power than the
USB hub can supply, thus resulting in a power failure in all connected USB devices.
1. Connect the unit to a PC running Microsoft Windows through an empty USB port.
2. If connected to the internet, the operating system will install the correct drivers automatically. The drivers
will only need to be installed the first time you connect the unit to a new computer.
3. A COM port will automatically be assigned to the unit by Windows. On Windows 7, open the Control
Panel, click Hardware and Sound and click Device Manager to view the assigned COM ports.
2.3 Basic operations using s-center
2.3.1 Connect to the ODIN-W2
Start the s-center evaluation software and assigned COM port of the unit using the default settings as mentioned
in Table 6. Refer to the ODIN-W2 User Guide [4] for more information.
Parameter Configuration
USB Virtual COM port 115200 baud, 8 data bits, no parity, 1 stop bit, hardware flow control
Table 6: Default settings for the virtual COM port
Figure 3: COM port settings in s-center

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2.3.2 Using the s-center
Once you establish connection with the COM port, the main screen will be shown. The Basic Connection tab
enables you to perform some simple tasks like finding other devices and setting up connections.
The s-center will start up by trying to set the module in AT-Mode. If successful, it will read out the basic information
like Bluetooth, Wi-Fi address, and firmware version.
Figure 4: Main screen in s-center

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2.3.3 Get and set configuration
The Get All and Set All are used to get and set a complete configuration to the ODIN-W2.
Nothing will be stored in flash until the Store button is clicked. That will store the current configuration into
the flash of the ODIN-W2 and will be used when the module starts up after a reset. Some commands like
+UWSCA stores the settings without the need of using the Store button.
Use the Factory Button if you need a complete reset (of the configuration).
Figure 5: Main screen in s-center

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2.3.4 Basic Bluetooth operation
Finding other units
Clicking the Bluetooth Inquiry initiates a search for other Bluetooth devices and the results are shown after 5
seconds.
Figure 6: Bluetooth inquiry in s-center
Select device
If the s-center finds some Bluetooth devices, it will be shown in the list as shown in Figure 7.
Figure 7: Response to Bluetooth inquiry in s-center

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Connect to device
Select the device you want to connect to and press Connect Peer to establish a connection. If the other device is
also an ODIN-W2, it accepts and establishes the connection. If there are other devices, some actions must be
taken.
Figure 8: Connecting to peer in s-center
Send data to other device
The easiest way is to enter data mode by clicking the Data Mode button or type ATO1. All the data that is typed
in the console window is sent to the other device.
If ODIN-W2 is in AT-Mode it is unable to send or receive any data.
Figure 9: Switching to data mode in s-center

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2.3.5 Basic Wi-Fi operation
Finding other units
Clicking the Wi-Fi Scan initiates a search for other Wi-Fi Access Points and the results are shown after about 5
seconds..
Figure 10: Scanning for Wi-Fi Networks in s-center
Connect to device
Select the Wi-Fi Access Point, enter the SSID, and if needed, enter the Password, and then press Activate
Wi-Fi. Wait for the network interface to go up, and make sure an IP Address has been received. Then click Connect
Peer to connect a TCP or UDP connection.
Figure 11: Activating Wi-Fi, TCP connection, and checking network status in s-center
2.4 Further information
See the ODIN-W2 Getting started [4] and ODIN-W2 AT Commands manual [1] for further settings.

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2.5 Restoring default factory settings
While evaluating, if the current serial interface settings are lost or the interface becomes unresponsive, it might be
necessary to perform a factory settings restore. Following the steps mentioned below will result in a complete
restore of the settings of the serial interface and the current AT-configuration to factory defaults.
1. Press and hold the Restore button (SW2).
2. Press once on the Reset button (SW1).
3. The system mode LED will turn green. Continue holding the Restore button for around 5 seconds until
the system mode LED turns orange.
4. Release the Restore button. The serial settings are now restored and the evaluation board is ready for use.
Figure 12: Position of the reset and restore buttons on the evaluation board

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Appendix
AList of acronyms
Abbreviation / Term Explanation / Definition
BT Bluetooth
CAN Controller Area Network
DHCP Dynamic Host Configuration Protocol
FW Firmware
GND Ground
GPIO General Purpose Input Output
H High
I Input (means that this is an input port of the module)
IEEE Institute of Electrical and Electronics Engineers
L Low
LPO Low Power Oscillator
MIMO Multi-Input Multi-Output
N/A Not Applicable
O Output (means that this is an output port of the module)
PCN / IN Product Change Notification / Information Note
PD Pull-Down
PU Pull-Up
RXD Receive Data
TCP Transmission Control Protocol
TXD Transmit Data
UART Universal Asynchronous Receiver-Transmitter serial interface
UDP User Datagram Protocol
USB Universal Serial Bus
Table 7: Explanation of abbreviations used

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Related documents
[1] u-blox Short Range Modules AT Commands Manual, Document Number UBX-14044127
[2] ODIN-W2 series Data Sheet, Document Number UBX-14039949
[3] ODIN-W2 series System Integration Manual, Document Number UBX-14040040
[4] ODIN-W2 Getting started, Document Number UBX-15017452
Revision history
Revision Date Name Comments
R01 31-July-2015 ajoh Initial release.
R02 21-Sep-2015 fbro Update to Advance Information status.
R03 19-Mar-2016 cmag Updated document status to Early Production Information. Added Basic Wi-Fi
operation (section 2.3.5). Minor changes in section 1.1.
R04 26-May-2017 kgom Minor updates.

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Contact
For complete contact information visit us at www.u-blox.com.
u-blox Offices
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