Seeed Grove - BLE Manuel utilisateur

Grove - BLE

Version：1.0

Release date：9/20/2015

Wiki: http://www.seeedstudio.com/depot/Grove-EMG-Detector-p-1737.html

Bazaar: http://www.seeedstudio.com/wiki/Grove_-_EMG_Detector

Document Revision History

Revision

Date

Author

Description

1.0

Sep 21, 2015

Victor.He

Create file

Contents

Document Revision History···································································································2

1. Introduction ···················································································································2

2. Specification···················································································································3

3. Detailed description·······································································································4

3.1 Pinout································································································································ 4

3.2 Features of Design············································································································· 4

3.3 AT Commands ··················································································································· 4

4. SoftwareSerial Communication ·····················································································7

4.1 Demo: BLE Slave················································································································ 7

4.2 Demo : BLE Master············································································································ 8

5. Resources ·····················································································································10

Disclaimer

For physical injuries and possessions loss caused by those reasons which are not related to product quality,

such as operating without following manual guide, natural disasters or force majeure, we take no

responsibility for that.

Under the supervision of Seeed Technology Inc., this manual has been compiled and published which

covered the latest product description and specification. The content of this manual is subject to change

without notice.

The design of this product (including software) and its accessories is under tutelage of laws. Any action to

violate relevant right of our product will be penalized through law. Please consciously observe relevant local

laws in the use of this product.

1. Introduction

Grove - BLE v1 (Grove - Bluetooth Low Energy v1) uses a Low Energy Bluetooth module -- HM-11, based on

TI CC2540 chip, which has AT command support. As a Grove product it's convenient to use Grove - BLE with

Arduino board via Base Shield.

2. Specification

Specifications

Name

BT Version

Bluetooth Specification V4.0 BLE

Working frequency

2.4GHz ISM band

Modulation method

GFSK(Gaussian Frequency Shift Keying)

RF Power

-23dbm, -6dbm, 0dbm, 6dbm, can modify through AT Command AT+POWE

Speed

Asynchronous: 6K Bytes, Synchronous: 6K Bytes

Sensitivity

≤-84dBm at 0.1% BER

Security

Authentication and encryption

Service

Central & Peripheral UUID FFE0,FFE1

Supply Power

3.3v - 5v

Working temperature

–5 ~ +65 Centigrade

Size

20cm x 10cm

Working Current

< 10 mA

Sourcing Current

< 20 mA

Sleeping Current

< 1 mA

Attention: The supply power of HM-11 is 3.3v, but the Grove - BLE is 3.3v to 5v

3. Detailed description

3.1 Pinout

Grove connector has four wires: GND, VCC, RX, and TX.

3.2 Features of Design

We have used TD6810 chip as the voltage regulator, so the range of the supply power can be 3.3v to 5v.

Also, there's a level shift circuit which make sure the accuracy of data transmission.

3.3 AT Commands

1）Query module address

Send：AT+ADDR?

Receive：OK+LADD: address

2）Query baud rate

Send：AT+BAUD?

Receive：OK+Get:[para1]

Range ：0~8 ; 0--9600，1--19200，2--38400，3--57600，4--115200，5--4800，6--2400，7--1200，8--

230400。Default: 0--9600.

Set baud rate

Send：AT+BAUD[para1]

Receive：OK+Set:[para1]

e.g. ：Send ：AT+BAUD1 ，Receive：OK+Set:1. The Baud rate has been set to 19200。

Note: If setup to Value 7, After next power on, module will not support any AT Commands, until PIO0 is

pressed, Module will change Baud to 9600.

3）Try connect an address

Send：AT+CON[para1]

Receive：OK+CONN[para2]

Range ：A,E,F

e.g. ：Try to connect an device which MAC address is 00:17:EA:09:09:09

Send: AT+CON0017EA090909

May receive a reply: OK+CONNA --> Accept request, connecting ; OK+CONNE --> Connect error ; OK+CONN

--> Connected , if AT+NOTI1 is setup ; OK+CONNF --> Connect Failed , After 10 seconds

Notice: Only central role is used. If remote device has already connected to other device or shut down,

“OK+CONNF” will received after about 10 Seconds.

4）Clear Last Connected device address

Send：AT+CLEAR

Receive：OK+CLEAR

5）Query Module Work Mode

Send：AT+MODE?

Receive：OK+Get:[para]

Range：0~2. 0: Transmission Mode; 1: PIO collection Mode + Mode 0 ; 2: Remote Control Mode + Mode 0 .

Default 0.

Set Module Work Mode

Send：AT+MODE[]

Receive：OK+Set:[para]

6）Query Module name

Send：AT+NAME?

Receive：OK+NAME[para1]

Set Module name

Send：AT+NAME[para1]

Receive：OK+Set:[para1]

e.g. ：Send: AT+NAMESeeed ，Receive : OK+Set:Seeed

Notice: Name would change after next power on.

7）Query Pin Code

Send：AT+PASS?

Receive：OK+PASS:[para1]

Range : 000000~999999. Default: 000000.

Set Pin Code

Send: AT+PASS[para1]

Receive：OK+Set:[para1]

8）Restore all setup value to factory setup

Send：AT+RENEW

Receive：OK+RENEW

9）Restart module

Send：AT+RESET

Receive：OK+RESET

10）Query Master and Slaver Role

Send：AT+ROLE[para1]

Receive：OK+Set:[para1]

Range : 0~1。0--Peripheral: 1--Central: Default: 0.

More AT commands please refer to the Date sheet of BLE module.

4. SoftwareSerial Communication

Grove - BLE can be acted as a master or slave, you can use the one via different demos.If you are going to

use the following SoftwareSerial program, please refer to the way of connection in the previous pic. TX-

->D2, RX-->D3.

Open Arduino IDE, copy the following program and upload it onto the Arduino/Seeeduino board. And then

two BLE modules can communicate with each other.

4.1 Demo: BLE Slave

#include <SoftwareSerial.h> //Software Serial Port

#define RxD 2

#define TxD 3

#define DEBUG_ENABLED 1

SoftwareSerial BLE(RxD,TxD);

void setup()

{

Serial.begin(9600);

pinMode(RxD,INPUT);

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