Telit Wireless Solutions BlueMod+S42M Manual de funcionamiento

BlueMod+S42M

AT Command Reference

80527ST10839A Rev. 2 –2018-09-18

BlueMod+S42M AT Command Reference

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SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

NOTICE

While reasonable efforts have been made to assure the accuracy of this document, Telit

assumes no liability resulting from any inaccuracies or omissions in this document, or from

use of the information obtained herein. The information in this document has been carefully

checked and is believed to be reliable. However, no responsibility is assumed for

inaccuracies or omissions. Telit reserves the right to make changes to any products

described herein and reserves the right to revise this document and to make changes from

time to time in content hereof with no obligation tonotify any person of revisions or changes.

Telit does not assume any liability arising out of the application or use of any product,

software, or circuit described herein; neither does it convey license under its patent rights

or the rights of others.

It is possible that this publication may contain references to, or information about Telit

products (machines and programs), programming, or services that are not announced in

your country. Such references or information must not be construed to mean that Telit

intends to announce such Telit products, programming, or services in your country.

COPYRIGHTS

This instruction manual and the Telit products described in this instruction manual may be,

include or describe copyrighted Telit material, such as computer programs stored in

semiconductor memories or other media. Laws in the Italy and other countries preserve for

Telit and its licensors certain exclusive rights for copyrighted material, including the

exclusive right to copy, reproduce in any form, distribute and make derivative works of the

copyrighted material. Accordingly, any copyrighted material of Telit and its licensors

contained herein or in the Telit products described in this instruction manual may not be

copied, reproduced, distributed, merged or modified in any manner without the express

written permission of Telit. Furthermore, the purchase of Telit products shall not be deemed

to grant either directly or by implication, estoppel, or otherwise, any license under the

copyrights, patents or patent applications of Telit, as arises by operation of law in the sale

of a product.

COMPUTER SOFTWARE COPYRIGHTS

The Telit and 3rd Party supplied Software (SW) products described in this instruction

manual may include copyrighted Telit and other 3rd Party supplied computer programs

stored in semiconductor memories or other media. Laws in the Italy and other countries

preserve for Telit and other 3rd Party supplied SW certain exclusive rights for copyrighted

computer programs, including the exclusive right to copy or reproduce in any form the

copyrighted computer program. Accordingly, any copyrighted Telit or other 3rd Party

supplied SW computer programs contained in the Telit products described in this instruction

manual may not be copied (reverse engineered) or reproduced in any manner without the

express written permission of Telit or the 3rd Party SW supplier. Furthermore, the purchase

of Telit products shall not be deemed to grant either directly or by implication, estoppel, or

otherwise, any license under the copyrights, patents or patent applications of Telit or other

3rd Party supplied SW, except for the normal non-exclusive, royalty free license to use that

arises by operation of law in the sale of a product.

BlueMod+S42M AT Command Reference

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USAGE AND DISCLOSURE RESTRICTIONS

I. License Agreements

The software described in this document is the property of Telit and its licensors. It is

furnished by express license agreement only and may be used only in accordance with the

terms of such an agreement.

II. Copyrighted Materials

Software and documentation are copyrighted materials. Making unauthorized copies is

prohibited by law. No part of the software or documentation may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language or

computer language, in any form or by any means, without prior written permission of Telit.

III. High Risk Materials

Components, units, or third-party products used in the product described herein are NOT

fault-tolerant and are NOT designed, manufactured, or intended for use as on-line control

equipment in the following hazardous environments requiring fail-safe controls: the

operation of Nuclear Facilities, Aircraft Navigation or Aircraft Communication Systems, Air

Traffic Control, Life Support, or Weapons Systems (High Risk Activities"). Telit and its

supplier(s) specifically disclaim any expressed or implied warranty of fitness for such High

Risk Activities.

IV. Trademarks

TELIT and the Stylized T Logo are registered in Trademark Office. All other product or

service names are the property of their respective owners.

V. Third Party Rights

The software may include Third Party Right software. In this case you agree to comply with

all terms and conditions imposed on you in respect of such separate software. In addition

to Third Party Terms, the disclaimer of warranty and limitation of liability provisions in this

License shall apply to the Third Party Right software.

TELIT HEREBY DISCLAIMS ANY AND ALL WARRANTIES EXPRESS OR IMPLIED

FROM ANY THIRD PARTIES REGARDING ANY SEPARATE FILES, ANY THIRD PARTY

MATERIALS INCLUDED IN THE SOFTWARE, ANY THIRD PARTY MATERIALS FROM

WHICH THE SOFTWARE IS DERIVED (COLLECTIVELY “OTHER CODE”), AND THE

USE OF ANY OR ALL THE OTHER CODE IN CONNECTION WITH THE SOFTWARE,

INCLUDING (WITHOUT LIMITATION) ANY WARRANTIES OF SATISFACTORY

QUALITY OR FITNESS FOR A PARTICULAR PURPOSE.

NO THIRD PARTY LICENSORS OF OTHER CODE SHALL HAVE ANY LIABILITY FOR

ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED

AND WHETHER MADE UNDER CONTRACT, TORT OR OTHER LEGAL THEORY,

ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE OTHER CODE

OR THE EXERCISE OF ANY RIGHTS GRANTED UNDER EITHER OR BOTH THIS

LICENSE AND THE LEGAL TERMS APPLICABLE TO ANY SEPARATE FILES, EVEN IF

ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

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APPLICABILITY TABLE

PRODUCTS

BLUEMOD+S42M

BLUEEVA+S42M

BlueMod+S42M AT Command Reference

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CONTENTS

NOTICE ..................................................................................................... 2

COPYRIGHTS................................................................................................ 2

COMPUTER SOFTWARE COPYRIGHTS...................................................... 2

USAGE AND DISCLOSURE RESTRICTIONS............................................... 3

APPLICABILITY TABLE................................................................................ 4

CONTENTS.................................................................................................... 5

1. INTRODUCTION.......................................................................... 7

Scope........................................................................................... 7

Audience....................................................................................... 7

Contact and Support Information .................................................. 7

Text Conventions.......................................................................... 8

Related Documents...................................................................... 9

2. FEATURES ................................................................................ 10

AT Command Mode.................................................................... 10

Escape Sequence....................................................................... 11

Connection Establishment Procedure......................................... 11

Hangup....................................................................................... 11

3. COMMAND SUMMARY ............................................................. 12

General....................................................................................... 12

Bluetooth Low Energy................................................................. 26

GATT.......................................................................................... 31

3.3.1. GATT Server Definition............................................................... 31

3.3.2. GATT Server Data Handling....................................................... 36

3.3.3. Data Handling with or without Connection................................... 36

4. APPENDIX ................................................................................. 38

Data Formats.............................................................................. 38

4.1.1. Data Array .................................................................................. 38

4.1.2. Bluetooth Address ...................................................................... 38

4.1.3. UUID........................................................................................... 38

4.1.4. Values ........................................................................................ 38

4.1.5. Bit Arrays.................................................................................... 38

Linktype...................................................................................... 39

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AT Result Codes......................................................................... 39

Release/Error Codes.................................................................. 41

Events ........................................................................................ 42

5. GLOSSARY AND ACRONYMS................................................. 44

6. DOCUMENT HISTORY .............................................................. 45

BlueMod+S42M AT Command Reference

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1. INTRODUCTION

Scope

This document specifies the command interface for the BlueMod+S42M firmware.

Audience

This document is intended for Telit customers, especially system integrators, about to

implement Bluetooth modules in their application.

Contact and Support Information

For general contact, technical support services, technical questions and report

documentation errors contact Telit Technical Support at:

•TS-SRD@telit.com

Alternatively, use:

https://www.telit.com/contact-us/

For detailed information about where you can buy the Telit modules or for recommendations

on accessories and components visit:

https://www.telit.com

Our aim is to make this guide as helpful as possible. Keep us informed of your comments

and suggestions for improvements.

Telit appreciates feedback from the users of our information.

BlueMod+S42M AT Command Reference

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Text Conventions

Danger –This information MUST be followed or catastrophic

equipment failure or bodily injury may occur.

Caution or Warning –Alerts the user to important points about

integrating the module, if these points are not followed, the module

and end user equipment may fail or malfunction.

Tip or Information –Provides advice and suggestions that may be

useful when integrating the module.

All dates are in ISO 8601 format, i.e. YYYY-MM-DD.

BlueMod+S42M AT Command Reference

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Related Documents

•[1] BlueMod+S42M Hardware User Guide, 1VV0301379

•[2] BlueMod+S42M Software User Guide, 1VV0301391

•[3] Bluetooth Core Specification Version 4.2

•[4] UICP+ UART Interface Control Protocol, 30507ST10756A

BlueMod+S42M AT Command Reference

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2. FEATURES

The BlueMod+S42M supports AT command mode.

In the factory-default configuration the BlueMod+S42M is set to AT command mode using

a UART baud rate of 115,200 bps, 8 data bits, no parity, 1 stop bit (8N1) and hardware flow

control.

AT Command Mode

Each command line consists of a prefix, a body and a terminator.

All command lines begin with the prefix AT (ASCII 065, 084) or at (ASCII 097, 116).

The body is a string of characters in the ASCII range 032-255. Control characters other than

<CR> (carriage return; ASCII 013) and <BS> (back space; ASCII 008) in a command line

are ignored.

Note: The control characters are configurable via S registers.

•Carriage return character (CR) S3 register

•Line feed character (LF) S4 register

•Back space character (BS) S5 register

The terminator is <CR>.

There is no distinction between upper-case and lower-case characters. A command line

can have a maximum length of 80 characters. It is automatically discarded if the input is

longer. Corrections are made using <BS>. Multiple commands on the same command line

are not allowed.

Commands have the following syntax:

Syntax

Description

AT<command>=<value><CR>

Write the value of the command

AT<command>?<CR>

Read the value of the command

Exceptions of this syntax are marked separately.

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