Ublox ODIN-W2 Series Manuale utente

ODIN-W2 series

Stand-alone multiradio modules with

Wi-Fi & Bluetooth

Getting Started

Abstract

This document describes how to set up and use the ODIN-W2

series multiradio modules with Wi-Fi and

Bluetooth dual mode

4.0 (Classic Bluetooth and Bluetooth Low Energy). It also

provides a technical overview of the ODIN-W2 series and

describes how to configure Bluetooth in ODIN-W2.

www.u-blox.com

UBX-15017452 - R02

ODIN-W2 series - Getting Started

UBX-15017452 - R02

Advance Information Page 2 of 27

Document Information

Title ODIN-W2 series

Subtitle Stand-alone multiradio modules with

Wi-Fi & Bluetooth

Document type Getting Started

Document number UBX-15017452

Revision, date R02 25-Sep-2015

Document status Advance Information

Document status information

Objective Specification Document contains target values. Revised and supplementary data will be published later.

Advance Information Document contains data based on early testing. Revised and supplementary data will be published later.

Early Production Information Document contains data from product verification. Revised and supplementary data may be published later.

Production Information Document contains the final product specification.

This document applies to the following products:

Product name Type number Firmware version PCN / IN reference

ODIN-W260 ODIN-W260-00B-00 1.0.0 TBD

ODIN-W262 ODIN-W262-00B-00 1.0.0 TBD

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.

u-blox®is a registered trademark of u-blox Holding AG in the EU and other countries.

Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.

PCI, PCI Express, PCIe, and PCI-SIG are trademarks or registered trademarks of PCI-SIG. All other registered trademarks or trademarks

mentioned in this document are property of their respective owners.

ODIN-W2 series - Getting Started

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Contents

Contents..............................................................................................................................3

1Introduction..................................................................................................................5

1.1 Key features ......................................................................................................................................... 5

1.2 Modes of operation.............................................................................................................................. 6

2Peers..............................................................................................................................8

3Wi-Fi network setup.....................................................................................................9

4Evaluation board........................................................................................................10

4.1 LED Indications and Buttons ............................................................................................................... 10

4.2 Restore default serial settings ............................................................................................................. 11

4.3 Restore factory settings ...................................................................................................................... 11

5Bluetooth configuration ............................................................................................12

5.1 Basic settings ...................................................................................................................................... 12

5.2 Client and Server ................................................................................................................................ 12

5.3 Bluetooth profiles ............................................................................................................................... 13

5.4 Multipoint .......................................................................................................................................... 13

5.5 Bluetooth security............................................................................................................................... 14

5.6 Power Save......................................................................................................................................... 14

6Wi-Fi configuration ....................................................................................................15

6.1 Network setup.................................................................................................................................... 15

6.2 Wi-Fi security ...................................................................................................................................... 15

6.3 Peer setup .......................................................................................................................................... 15

6.4 TCP Peer............................................................................................................................................. 15

6.5 UDP Peer ............................................................................................................................................ 15

7Use case examples......................................................................................................16

7.1 Establish a Bluetooth Classic SPP connection between two ODIN-W2 ................................................. 16

7.2 Establish a Bluetooth SPP connection that connects at power up........................................................ 17

7.3 Set a default remote peer (Wi-Fi and TCP) using DHCP and connect at startup ................................... 18

7.4 Set a default remote peer (Wi-Fi and TCP) using static IP address and connect at startup.................... 20

7.5 Connect ODIN-W2 using Wi-Fi and Cellular using Internet sharing connection ................................... 20

7.6 Connect two ODIN-W2 using Bluetooth Low Energy Serial Port Service SPS and always connected .... 24

Appendix ..........................................................................................................................25

AList of acronyms .........................................................................................................25

Related documents...........................................................................................................26

Revision history................................................................................................................26

ODIN-W2 series - Getting Started

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Contact..............................................................................................................................27

ODIN-W2 series - Getting Started

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1Introduction

The ODIN-W2 series is a highly integrated multiradio module developed by u-blox for integration in demanding,

reliable devices such as those needed for industrial and medical applications. The module is built around a

multiradio chip, which includes Wi-Fi, Classic Bluetooth and Bluetooth Low Energy (Dual Mode / Bluetooth Smart

Ready). This document describes how to set up and use the ODIN-W2 series modules.

1.1 Key features

One of key features of the ODIN-W2 series is the Wireless serial cable replacement functionality. The basic

functionality is to transfer data between the serial port and a wireless link. It is possible to configure the ODIN-

W2 series module to automatically setup a connection and/or accept an incoming connection using AT

commands.

For a host, this means that an existing serial cable can be replaced by a wireless solution; in many cases without

the need to modify the host.

Figure 1: ODIN-W2 series Bluetooth setup

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1.2 Modes of operation

The ODIN-W2 series can operate in the following three different modes:

•Command mode

•Data mode

•Extended Data mode

By default, ODIN-W2 will enter command mode and has to be configured to start in data mode or extended

data mode. When in data mode or extended data mode, it is possible to enter command mode by transmitting

the escape sequence to the module. By default the escape sequence is:

1. Silence 1 second

2. +++

3. Silence 1 second

The +++ must be sent within 200 ms, which means that it is difficult or impossible to enter the escape

sequence manually using a terminal window though the characters can be typically be pasted instead. The

module leaves the command mode and enters data mode or extended data mode using the ATO1/ATO2

command. It is also possible to toggle the UART DTR pin from High to Low to enter command mode.

Figure 2: AT data mode

In command mode, the module is configured using AT commands. For information regarding the available AT

commands, see ODIN-W2 AT Commands Manual [1].

In data mode, the module transmits data transparently between the serial UART and the wireless connection(s).

There is no additional protocol for the UART. Data transmitted on the UART to the module will be transmitted

(and broadcasted if many connections are used), over air, to all wireless connections. Data received from the

wireless connections may be interleaved upon reception and it may be difficult or impossible to figure out from

what remote device data is received. This "multipoint strategy" is called as Wireless Multidrop. It is suitable

mainly for master/slave polled protocols such as Modbus and point-to-point communication.

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Figure 3: Data mode

The extended data mode is used to enable control of each individual wireless connection (see u-blox Extended

Data Mode Protocol Specification [2]). The extended data mode is a simple protocol for the UART, which enables

transmission of data to one specific remote device and to know from what remote device the data is received. It

is also possible to execute AT commands as part of the extended data mode protocol. Hence, it is not necessary

to enter command mode when in the extended data mode. As it is possible to enter command mode from the

extended data mode, tools such as the s-center will still work using standard AT commands in the command

mode.

Figure 4: Extended data mode

Over air, there is no extended data mode protocol data. Over air only "raw" data is transmitted in the

same way as the data mode. Hence, it is possible for one side to be configured for extended data mode

and the other side for standard data mode.

Figure 5: Data mode and extended data mode

ODIN-W2 series - Getting Started

UBX-15017452 - R02 Advance Information Peers

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2Peers

A connection consists of a sender and a receiver of data. It can also consist of a sender and several receivers in

the case of a wireless multidrop/broadcast data. In both cases, every sender and receiver in a setup is referred to

as a peer. Thus, a peer is capable of either receiving and/or sending data.

There are two kinds of peer classes in the serial port adapter:

•Local peer

•Remote peer

The local peer is (currently) synonymous with the UART. In contrast to the local peer, the remote peer is another

device or broadcast range on the network. Several remote peers can be defined if a multi-drop scenario is

needed.

A remote peer is addressed using a Uniform Resource Locator, URL. These locators are strings representing

nodes on internet or on a local net. This is the same addressing technology used in for example a web browser.

For more information about URLs, read RFC 1738.

In general, URLs are written as follows:

Where <scheme> is the scheme or protocol used when communicating and <scheme-specific-part> is normally

the address and port number of the remote node.

For example, a web server on the internet can have the following address:

http://www.u-blox.com/

This tells the browser to use the HTTP protocol and connect to the node at address www.u-blox.com. Similar

addressing scheme is used by ODIN-W2 to pinpoint the remote peer. The scheme is not "http", but the node

addressing is identical.

Available schemes:

•tcp: TCP connection

•udp: UDP connection, broadcast capabilities

•spp: Bluetooth Serial Port Profile

•dun: Bluetooth Dial Up Networking

•sps: Bluetooth Low Energy u-blox Serial Port Service

Syntax:

•tcp/udp

•<scheme>://ipaddress<:portnumber>

•spp/dun/sps

•<scheme>://bluetooth_address/

Remarks:

•IP address can be either a numeric IP address or a host and domain name that can be resolved using the

configured DNS servers.

Examples

•tcp://10.0.0.9:5003

•tcp://echo.u-blox.com:7

•udp://192.168.0.42:6809

•spp://0012f3000001

A peer can be setup using either the default remote peer command (AT+UDDRP) or dynamically created using

the connect peer command (AT+UDCP). A connection is closed using AT+UDCC.

To enable incoming connections, servers must be enabled using the command AT+UDSC. One server of each

type can be created, but it can allow for multiple incoming connections. By default, the SPP server is enabled on

Server id 0, and in Bluetooth Low Energy, enable the SPS service using the AT+UDSC command.

ODIN-W2 series - Getting Started

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3Wi-Fi network setup

To use TCP and UDP peers, at least one Wi-Fi network must be defined (and connected). This is done using the

AT+UWSC and AT+UWSCA commands. To define a network, IP address assignment behavior must be defined.

Default behavior is DHCP client.

ODIN-W2 series - Getting Started

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4Evaluation board

The evaluation board for ODIN-W2 is EVK-W262.

4.1 LED Indications and Buttons

There are two operational buttons and one multi LED as shown in Figure 6.

Figure 6 USB adapter board

The LED indicates what mode is currently active and what activity that is currently in progress. The following

color indications are used. See EVK-W262U Quick Start Guide [4] for more information about the EVK-W262.

The Restore/Function Button will restore to factory default with serial settings if pressed for 10 seconds during

power up. The button function will be "External connect" when ODIN-W2 is in normal mode.

•Green: The current mode is data mode or extended data mode and no connection attempts are in

progress.

•Orange: The current mode is command mode.

•Purple: A connection attempt is in progress.

•Blue: A connection is currently active.

•Blue Blinking: A connection is active and data is transmitted or received over air.

•Red Blinking: Error detected. Typically this means buffer overflow, parity or framing error detected on

the UART.

The LED on the USB adapter board is a 3-colour LED which means that, on the module, it corresponds to

three IO pins. On another board it may have different meaning.

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