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Bluetooth Module Specification

Raw Serial Modules

Revision 0.7

April 4, 2003

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

Reproduction of the contents of this manual without the permission of Socket Communications,

Inc. is expressly prohibited.

Please be aware that the products described in this manual may change without notice.

This manual has been prepared with the greatest care regarding its contents. However, in the

event that it contains omissions, errors or any other misinformation, please feel free to direct

comments to:

Socket Communications, Inc.

37400 Central Court

Newark, CA 94560

You are also welcome to call Socket Communications Inc. at (510) 744-2700, or you may FAX

inquiries to (510) 744-2727.

Other than the above, Socket Communications, Inc. can assume no responsibility for anything

resulting from the application of information contained in this manual.

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

Regulatory Compliance

The Socket Bluetooth module is designed to be compliant with the rules and regulations in

locations where they are sold and will be labeled as required. This product is type approved —

users are not required to obtain license or authorization before using.

Radio Frequency Interference Requirements

This device complies with part 15 of the FCC rules. Operation is subject to the following

conditions: (1) This device may not cause harmful interference, and (2) this device must accept

any interference received, including interference that may cause undesired operation.

This equipment is also ETS 300 328, ETS 300 826 and C-TICK compliant. These limits are

designed to provide reasonable protection against harmful interference when the equipment is

operated in a commercial environment.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and

used in accordance with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential area is likely to cause harmful

interference, in which case the user will be required to correct the interference at his or her own

expense.

This equipment generates and radiates radio-frequency energy. To comply with FCC RF

exposure compliance requirements, the following antenna installation and device operating

configurations must be satisfied: (1) Users are not permitted to make changes or modify the

system in any way, and (2) connecting external antennas to the card is prohibited. Changes or

modifications not expressly approved by the party responsible for compliance could void the

user’s authority to operate the equipment.

If this equipment does cause harmful interference to radio or television reception, which can be

determined by turning the equipment off and on, the user may try to correct the interference by

one or more of the following measures:

 Reorient or relocate the receiving antenna of the radio or television.

 Increase the distance separating the equipment and the receiver.

 Connect the equipment to an outlet on a different branch circuit than that of the receiver.

 Consult the dealer or an experienced radio/TV technician for help.

The user may find the following booklet helpful: How to Identify and Resolve Radio-TV

Interference Problems. This booklet is available from the U.S. Government Printing Office,

Washington, D.C. 20402.

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

U.S. Regulatory Wireless Notice

This product emits radio frequency energy, but the radiated output power of this device is far

below the FCC radio frequency exposure limits. Nevertheless, the device should be used in such

a manner that the potential for human contact with the antenna during normal operation is

minimized.

Radio Frequency Interference Requirements – Canada

This Class B digital apparatus meets the requirements of the Canadian Interference-Causing

Equipment Regulations. Cet appareil numérique de la Classe B respecte toutes les exigencies du

Reglement sur le Matériel Brouilleur du Canada.

Canadian Regulatory Wireless Notice

Operation is subject to the following two conditions: (1) this device may not cause interference,

and (2) this device must accept any interference, including interference that may cause undesired

operation of the device.

To prevent radio interference to the licensed service, this device is intended to be operated

indoors and away from windows to provide maximum shielding. Equipment (or its transmit

antenna) that is installed outdoors is subject to licensing.

The term “IC:” before the certification/registration number only signifies that the Industry

Canada technical specifications were met.

CE Marking & European Union Compliance

Products intended for sale within the European Union are marked with a CEMark which

indicates compliance to applicable Directives and European Normes (EN), as follows.

Amendments to these Directives or ENs are included: Normes (EN), as follows:

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

European Union Notice

0682

Products bearing the CE marking comply with the R&TTE Directive (1999/5/EC), EMC

Directive (89/336/EEC), and the Low Voltage Directive (73/23/EEC) issued by the Commission

of the European Community.

Compliance with these directives implies conformity to the following European Norms (in

parentheses are the equivalent international standards and regulations):

 EN 55022 (CISPR 22)—Electromagnetic Interference

 EN 55024 (IEC61000-4-2, 3, 4, 5, 6, 8, 11)—Electromagnetic Immunity

 EN61000-3-2 (IEC61000-3-2)—Power Line Harmonics

 EN61000-3-3 (IEC61000-3-3)—Power Line Flicker

 EN 60950 (IEC 60950)—Product Safety

 EN 300 328—Technical requirements for radio equipment

 ETS 300 826 or EN 301 489-17—General EMC requirements for radio equipment

This product may be used in all EU and EFTA countries.

Applicable Standards:

 EN 55 022 – Limits and Methods of Measurement of Radio Interference Characteristics of

Information Technology Equipment.

 EN 50 082-1 – Electromagnetic Compatibility – General Immunity Standard, Part 1:

Residential, Commercial, Light Industry.

 IEC 801.2 – Electromagnetic Compatibility for Industrial Process Measurement and

Control Equipment, Part 2: Electrostatic Discharge Requirements.

 IEC 801.3 – Electromagnetic Compatibility for Industrial Process Measurement and

Control Equipment, Part 3: Radiated Electromagnetic Field Requirements.

 IEC 801.4 - Electromagnetic Compatibility for Industrial Process Measurement and

Control Equipment, Part 4: Electrical Fast Transients Requirements.

 EN 60 950 + Amd 1 + Amd 2 – Safety of Information Technology Equipment Including

Business Equipment.

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

Revision Table

Revision Date Who Comments

0.1 Feb 28, 2003 Charles Ader Create Spec

0.2 Mar 21, 2003 Charles Ader Add ref to Blutooth documents

0.6 Mar 28, 2003 Charles Ader Harmonize with dongle spec

0.7 Apr 1, 2003 Charles Ader Correct description of PIO3

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

Table of Contents

1. Introduction........................................................................................................................... 1

1.1. Product definition................................................................................................................ 1

1.2. Feature List ......................................................................................................................... 1

1.3. Notation............................................................................................................................... 1

2. Physical/Environmental ....................................................................................................... 2

3. Electrical Requirements ....................................................................................................... 3

3.1. Average Power Consumption ............................................................................................. 4

3.2. Peak Current Consumption................................................................................................. 4

4. Hardware Interface ..............................................................................................................5

4.1. Module Pin Assignments .................................................................................................... 5

5. Hardware Interface Protocol............................................................................................... 6

5.1. Initialization status.............................................................................................................. 6

5.2. Connection enable............................................................................................................... 6

5.3. Connection Status ............................................................................................................... 6

5.4. RTS Flow Control Management......................................................................................... 6

5.5. CTS Flow Control Management......................................................................................... 7

6. Command............................................................................................................................... 8

6.1. User configuration methods................................................................................................ 9

6.2. Operating Modes................................................................................................................. 9

6.3. Command and Control Modes............................................................................................ 9

6.3.1. Query Mode Commands ....................................................................................................... 10

6.3.2. Set Local Bluetooth Device Name ........................................................................................ 11

6.3.3. Set Serial Line Parameters .................................................................................................... 11

6.3.4. Set Class of Device/Service field .......................................................................................... 12

6.3.5. Set Service Name .................................................................................................................. 12

6.3.6. Set Sniff Parameters.............................................................................................................. 12

6.3.7. Connectable on/off: "ON" or "OFF".................................................................................... 13

6.3.8. Specify Page Scan Timing ....................................................................................................13

6.3.9. Enable Discoverable.............................................................................................................. 13

6.3.10. Specify Inquiry Scan Timing ................................................................................................13

6.3.11. Set Encryption/Authentication: "PIN CODE" .....................................................................14

6.3.12. Set Connectable Device Bluetooth Address.......................................................................... 14

6.3.13. Set CONNECT / DICSONNECT event enable .................................................................... 15

6.3.14. Disable Encryption/Authentication....................................................................................... 15

6.3.15. Read module Version............................................................................................................ 15

6.3.16. Read local device address ..................................................................................................... 16

6.3.17. Read local device role ........................................................................................................... 16

6.4. EVENTS ........................................................................................................................... 16

6.4.1. Link Connect......................................................................................................................... 16

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6.4.2. Link Disconnect .................................................................................................................... 17

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List of Tables

Table 1: Ratings ...............................................................................................................................2

Table 2: Operating Conditions.........................................................................................................3

Table 3: Input/Output Terminal Characteristics ..............................................................................3

Table 4: Average Power Consumption............................................................................................4

Table 5: Peak Power Consumption..................................................................................................4

Table 6: Module Pin Assignment ....................................................................................................5

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1. Introduction

1.1. Product definition

In the Module product line there will be 2 versions of products:

Raw Serial Module – External Power - Provide a basic Serial Cable replacement function

with some user accessible command modes

Bluetooth HCI module – Provide Host Command Interface for Bluetooth stack implemented

on an external local host processor.

This document will describe only the Raw Serial Module.

1.2. Feature List

· Very small size

· Low Cost

· Socket Cost : External Power Version: $30-35 range

· Industrial Application target design

· Initially offered in Class 2 BT Radio but will offer Class 1 later

· External Power device will run off 3.3 external power

· Firmware and module code upgradeable in the field via programming interface

· Security and bonding supported

· Low power Bluetooth modes: Sniff, Park and Hold

· Not suitable for Baud Rates below 9600 Baud

1.3. Notation

Numbers are in decimal except:

· Numbers with an “h” suffix are in hexadecimal.

· Numbers with a “0x” prefix are in hexadecimal.

· Numbers with a “b” suffix are in binary.

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2. Physical/Environmental

Description Min Max Unit

Operating Temperature -20 +85 deg.C

Storage Temperature -40 +85 deg.C

Supply Voltage VDD -0.4 3.6 V

Table 1: Ratings

Humidity: 5% to 95% (non-condensing)

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3. Electrical Requirements

Description Min Typ Max Unit

Operating Temperature -20 +25 +85 deg.C

Supply Voltage, VDD 2.7 3.0 3.6 V

Table 2: Operating Conditions

Min Typ Max Unit

Input Voltage

VIL input logic level low (VDD=3.0V) -0.4 +0.8 V

VIH input logic level high 0.7VDD VDD+0.4 V

Output voltage

VOL output logic level low, (lO = 4.0mA), VDD=3.0V - - 0.2 V

VOH output logic level high, (lO = -4.0mA), DD=3.0V VDD-0.2 - - V

Input and Tristate Current with:

Strong pull-up -100 -20 -10 µA

Strong pull-down +10 +20 +100 µA

Weak pull-up -5 -1 0 µA

Weak pull-down 0 +1 +5 µA

I/O pad leakage current -1 0 +1 µA

Ci Input Capacitance 2.5 - 10 pF

Table 3: Input/Output Terminal Characteristics

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3.1. Average Power Consumption

Maximum current draw and power consumption of the Raw Serial Module is shown in the

following table. Expect ±10% variation over temperature.

Tambient= +20º C

Mode Typ Units

ACL data transfer, 115.2kbps, UART (Master) 15.0 mA

ACL connection Sniff Mode, 40ms interval, 38.4kpbs

UART

6 mA

ACL connection Sniff Mode, 1.28s interval, 38.4kpbs

UART

4 mA

Parked Slave, 1.28s beacon interval, 38.4kpbs UART 4 mA

ACL data transfer 720kbps USB (Slave) 53.0 mA

ACL data transfer 720kbps USB (Master) 53.0 mA

Standby mode (Connected to host no RF activity) 50 µA

Table 4: Average Power Consumption

3.2. Peak Current Consumption

Tambient= +20º C

Mode Typ Max Units

Deep Sleep Mode 20.0 50 µA

Peak current during TX burst (+4 dBm) 70.0 80 mA

Peak current during TX burst (0 dBm) 60.0 70 mA

Peak current during RX burst (-85 dBm) 50.0 70 mA

Table 5: Peak Power Consumption

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4. Hardware Interface

4.1. Module Pin Assignments

Signal Name Function Direction Pin #

GROUND Power supply return 1

PCM_OUT Serial data from audio CODEC IN 2

PCM_IN Serial data to audio CODEC OUT 3

PIO_1 Generic I/O local host OUT 4

PIO_4 Generic I/O local host RS232 (DTR) OUT 5

UART_RXD Serial data from local host RS232 (RXD) IN 6

UART_TXD Serial data to local host RS232 (TXD) OUT 7

RESET Reset module when HIGH IN 8

PIO_3 Generic I/O local host RS232 (DSR) IN 9

SPI_CSB SPI chip select IN 10

GROUND Power supply return 11

UART_RTS Local host must not send when HIGH OUT 12

SPI_CLK SPI Clock IN 13

UART_CTS Module must not send when HIGH IN 14

PCM_SYNC Audio CODEC signal OUT 15

PIO_2 Generic I/O local host RS232 (DCD) IN 16

SPI_MOSI SPI master out slave in IN 17

PCM_CLK Audio CODEC signal OUT 18

SPI_MISO SPI master in slave out OUT 19

VCC_3.3V Power supply 20

Table 6: Module Pin Assignment

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5. Hardware Interface Protocol

5.1. Initialization status

Hardware line Pin 4 (PIO_1) is used as a status indicator. This line is LOW (zero) indicates

that the module has not completed initialization. This line HIGH (one) indicates that the

module has completed its initialization and is ready to accept commands or Bluetooth

connections.

5.2. Connection enable

Hardware line Pin 9 (PIO_3), can be used to enable the module’s connectability and

discoverability.

If the module is configured in software to be a slave device, when this line is high the module

is not discoverable or connectable, regardless of the software settings. When this line is low

the module can be discoverable and connectable, depending on the software settings. If this

line is changed from low to high, any existing connections are dropped and the module will

not be discoverable or connectable.

If the module is configured in software to be a master device, when this line is high the

module will not attempt to connect to its ‘slave’ device (if it has one). When this line is low

the module will attempt to connect to its slave device.

5.3. Connection Status

Hardware line Pin 5 (PIO_4) is used by the local host to determine the modules current

connection state. When this pin is low, there is an active connection. When this pin is high,

there is no connection currently active. This pin can be used by the host to determine when

the module is in BT Link Active state or BT Link Inactive state.

5.4. RTS Flow Control Management

Hardware line Pin 12, RTS is used by the module to hold of data or command transmissions

from the host. When RTS is LOW, data or commands can be sent to the module, when RTS

is HIGH, data or commands should not be sent to the module.

When the module is starting up after power up, RTS may go inactive for a short time. It will

return to active when ready to receive control commands or data.

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5.5. CTS Flow Control Management

Hardware line Pin 14, CTS is used to control data flow from the module to the local host.

When this line is low the module will not send data to the local host. When this line is high

the module will send any available data to the local host.

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6. Command

All printable characters can be entered directly via the keyboard. Any non-printable characters

are entered in binary data format.

Binary data format:

Any non seven-bit ASCII data to be transmitted to the module will be encoded in the internet

'percent' notation. Any hex byte to be transmitted is preceded by the '%' sign and encoded in hex

ASCII. Thus, to send the value 0xF5, the following bytes would be transmitted: "%F5". To

send the '%' character is always transmitted as "%25". Thus, a Bluetooth address 'could' be

transmitted as "%00%E0%03%45%F4%6D".

Generic format:

<command character> is one character from the set: [A-Z]

<command type> is one character for the set: [0-9]

<command payload> is variable in length.

<CR> is the command terminator.

The <command payload> is formed from printable ASCII characters from the code range 0x20

to 0x7E. Codes outside of this range are escaped using the percent (%) character followed by two

hexadecimal digits.

The percent character is always represented by the three characters: %25

The command terminator is character code 0x13 (carriage return), or character code 0x10 (line

feed), or character codes 0x13, 0x10 (carriage return, line feed)

An example command to set the friendly name to "Len's 100% serial module":

F0Len's 100%25 serial module<CR>

Character codes outside of the range of 0x20 to 0x7E are ignored.

When using percent (%) to form hexadecimal character codes there must be exactly two hex

digits using characters: [0-9, A-F, a-f].

Characters outside of this range cause the command to fail.

Commands that fail return the four character sequence: NAK<CR>

Commands that are accepted return the four character sequence: ACK<CR>

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Commands that return payload data use the format:

<command character> is one character from the set: [a-z]

<command type> is one character for the set: [0-9]

<command payload> is variable in length.

<CR> is the command terminator.

The command character is the "lower case" version of the local host command.

6.1. User configuration methods

The user can interface with the Raw Serial Module in three distinct ways:

· Dumb Terminal – debug environment or field updates

· Windows GUI/Application – debug mode or field upgrade

· Batch mode – manufacturing environment usage

6.2. Operating Modes

The module interface has two modes:

· BT Link Active state: In this case the Serial Interface looks like a raw serial port

(TxD,RxD,CTS, etc. and GND). There is no intelligence in the BT module

present from the Serial Interface perspective. This mode does not support the

command and control modes described below.

· BT Link Inactive state: this mode exists when a BT link is not existent: In this

case the Serial Interface looks like a serial port that supports a number of

command and control modes.

Upon reset the unit comes up in “BT Link Inactive State”. After the first Bluetooth

connection, the unit goes into “BT Link Active State”. It will stay in this state until the link is

lost because the Master shuts it down, or there is an out-of-range condition. At this point it

will return to the “BT Link Inactive State”.

6.3. Command and Control Modes

Note that these commands are only available over the serial link, not over the air and are not

available when the device is in the BT Link Active state.

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6.3.1. Query Mode Commands

?<CR> Read ACK

?F0<CR> Read Friendly Name

?L<CR> Read Encryption and Authentication mode

?C0<CR> Read Connectable mode

?C1<CR> Read Page Scan Timing

?D0<CR> Read Discoverable mode

?D1<CR> Read Inquiry Scan Timing

?S1<CR> Read Class Of Device

?S2<CR> Read Service Name

?S3<CR> Read Sniff configuration

?S4<CR> Read PIN Code

?S5<CR> Read Connectable BDADDR

?S6<CR> Read CONNECT / DISCONNECT event enable

Examples:

Command: “?<CR>”

Reply: “ACK<CR>”

Command: “?F0<CR>”

Reply: “f0MyFriendlyName<CR>”

Command: “?L<CR>”

Reply: “l0<CR>” no Encryption or Authentication

“l1<CR>” Encryption

“l2<CR>” Authentication

“l3<CR>” Encryption and Authentication

Command: “?C0<CR>”

Reply: “c0ON<CR>”

Command: “?C1<CR>”

Reply: “c11024,512<CR>”

Command: “?D0<CR>”

Reply: “d0ON<CR>”

Command: “?D1<CR>”

Reply: “d11024,512<CR>”

Command: “?S1<CR>”

Reply: “s1001F00<CR>”

Command: “?S2<CR>”

Reply: “s2MyServiceName<CR>”

Command: “?S3<CR>”

Reply: “s3800,80,8,8<CR>”

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Command: “?S4<CR>”

Reply: “s4MyPinCode<CR>”

Command: “?S5<CR>”

Reply: “s5%00%00%00%00%00%00<CR>”

Command: “?S6<CR>”

Reply: “s6ON<CR>”

6.3.2. Set Local Bluetooth Device Name

F0<Device Friendly Name><CR>

"Device Name" - String up to 254 bytes long

Default is “Socket Serial Module”

Example: “F01Len's 100%25 serial module<CR>”

This sets the name to “Len’s 100% serial module”

6.3.3. Set Serial Line Parameters

S0Baud,<Data><Parity><Stop>,<Flow Control>

This command sets the serial line parameters that the Raw Serial Module should use. The

command sends the ACK<CR> at the current baud rate. All data is ignored from the serial

interface for 100 milliseconds. During this “black out” period the serial port is

reconfigured to the new serial line parameters.

Mandatory:

Baud – 9600, 19200, 38400, 56000, 115200, 230400

Optional:

Data – 8

Parity – N, E, O

Stop – 2, 1

Flow – CTS

Default is “115200,8N1,CTS”

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Example:

“S019200,8N2, CTS<CR>”

6.3.4. Set Class of Device/Service field

Set Class of Device/Service field value

S1< Class of Device/Service field >

The Class of Device/Service (CoD) field is a 24 bit field defined in the Bluetooth Assigned

Numbers document. See http://www.bluetoothsig.org/assigned-numbers/baseband.htm for

up to date information on how to compose this value. This field is sent in a HEX ASCII

format and sent most significant byte first.

Example: “S1001F00<CR>” is a common Class of Device value for a basic serial device.

6.3.5. Set Service Name

Set the service friendly name to be sent to the remote Bluetooth device in response to a

service discovery request. The length of the service name is limited to 32 bytes.

S2<Service Name>

Profile Name – Text name entered into the SDP record for the serial port profile.

Default: “Socket Serial Port”

Example:

“S3Acme Serial Port<CR>”

6.3.6. Set Sniff Parameters

Set sniff mode parameters. This command will enable Bluetooth sniff mode. Sniff mode is

described in the Bluetooth V1.1 Core Specifications for up to date information see:

http://www.bluetoothsig.org/specifications.htm

S3<Sniff_Max_Interval>,<Sniff_Min_Interval>,<Sniff_Attempt>,<Sniff_Timeout>

Example: “S3256, 100, 8, 8<CR>”

To disable sniff mode, send the command with parameters:

“S3OFF”

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6.3.7. Connectable on/off: "ON" or "OFF"

Set the device into ‘connectable’ mode

C0 <ON|OFF><CR>

Example:

“C0OFF<CR>” – Become non-connectable

“C0ON<CR>” – Become connectable

6.3.8. Specify Page Scan Timing

Set the Page Scan timing parameters

C1<Page_Scan_Interval>,<Page_Scan_Window><CR>

Default: 4096,18

Example:

“C11024,512<CR>”

Note:

To enable scanning the values for Interval and Window must be in the range of 18 to

4096. The Window value must be less than the Interval value. Both values must be

zero to disable scanning.

Page scan timing is described in the Bluetooth V1.1 Core Specifications for up to

date information see: http://www.bluetoothsig.org/specifications.htm

6.3.9. Enable Discoverable

Set the device into ‘discoverable’ mode

D0 <ON|OFF><CR>

Example:

“D0OFF<CR>” – Become non- discoverable

“D0ON<CR>” – Become discoverable

6.3.10. Specify Inquiry Scan Timing

Set the Inquiry Scan timing parameters

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D1<Inquiry_Scan_Interval>,< Inquiry_Scan_Window><CR>

Default: 4096,18

Example:

“D11024,512<CR>”

Note:

To enable scanning the values for Interval and Window must be in the range of 18 to

4096. The Window value must be less than the Interval value. Both values must be

zero to disable scanning.

Inquiry scan timing is described in the Bluetooth V1.1 Core Specifications for up to

date information see: http://www.bluetoothsig.org/specifications.htm

6.3.11. Set Encryption/Authentication: "PIN CODE"

S4<PIN code>

PIN code – Pin code can be NULL and as long as 16 characters

Default: NULL PIN code

Example:

“S4MyPinCode <CR>”

Note:

6.3.12. Set Connectable Device Bluetooth Address

This command forces the Module to only allow only the device of the specified Bluetooth

address to connect to it. This value is saved in the module until RESET by this command.

Note: A value of "000000000000" means allow any device to connect.

S5<BDADDR>

BDADDR – Bluetooth device address of device that will be allowed to connect

Default: %00%00%00%00%00%00

Example:

“S5%01%00%55%0C%00%1B <CR>”

Note:

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6.3.13. Set CONNECT / DICSONNECT event enable

S6<ON|OFF><CR>

Example:

“S6OFF<CR>” – Do not send CONNECT / DISCONNECT events.

“S6ON<CR>” – Send CONNECT / DISCONNECT events.

6.3.14. Disable Encryption/Authentication

L0 Disable encryption and authentication

L1 Enable encryption

L2 Enable authentication

L3 Enable encryption and authentication

Example:

“L3<CR>”

Note:

6.3.15. Read module Version

Display the firmware build version currently running

V0<CR>

Example:

“V0<CR>”

Returns:

"v1yyyymmddHHMM<CR>"

Note: This command responds with the requested data only not the “ACK<CR>”

Example:

Sent: “V0<CR>”

Received: “v0200212312359<CR>”

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6.3.16. Read local device address

Display the local device address

V1<CR>

Returns:

“v1%xx%xx%xx%xx%xx%xx<CR>”

Note: This command responds with the requested data only not the “ACK<CR>”

Example:

Sent: “V1<CR>”

Received: "v1%00%2C%C6%03%45%39"

6.3.17. Read local device role

Display the local device role

V2<CR>

Example:

“V2<CR>”

Returns:

“v2SLAVE<CR>” – When module is configured for Bluetooth slave mode.

“v2MASTER<CR>” – When module is configured for Bluetooth master mode.

Note: This command responds with the requested data only not the “ACK<CR>”

6.4. EVENTS

6.4.1. Link Connect

Send “CONNECT %xx%xx%xx%xx%xx%xx<CR>” to local host when link is

established.

The Bluetooth device address of the remote device is supplied as ASCII hex characters

following the word CONNECT.

Bluetooth Raw Serial Module Technical Specification

Document#: 6410-00195 A Revision 0.7

6.4.2. Link Disconnect

Send “DISCONNECT<CR>” to local host when link is broken.

Socket Mobile BTM-1 Bluetooth Module User Manual SerialModule

Socket Mobile, Inc. Bluetooth Module SerialModule

Installers technical manual

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