Bluetooth ble4.0-hm-10 device pairing Guide

bluetooth BLE4.0-HM-10 Device pairing Guide

One 、 Product parameters

Ø Bluetooth protocol ：Bluetooth Specification V4.0 BLE
Ø There is no byte limit for serial port sending and receiving
Ø Open environment and iphone4s Can achieve 100 Ultra long distance communication
Ø USB agreement ：USB V2.0
Ø Working frequency ：2.4GHz ISM band
Ø Modulation mode ：GFSK(Gaussian Frequency Shift Keying)
Ø Transmitting power ：-23dbm, -6dbm, 0dbm, 6dbm, Can pass AT Instruction to modify
Ø spirit Sensitive degree ：≤-84dBm at 0.1% BER
Ø Transmission rate ：Asynchronous: 6K bytes
Synchronous: 6k Bytes
Ø Safety features ：Authentication and encryption
Ø Support services ：Central & Peripheral UUID FFE0,FFE1
Ø work Consumption ： In automatic sleep mode , Standby current 400uA~800uA, When transmitting 8.5mA.
Ø Power supply ：+3.3VDC 50mA
Ø working temperature ：–5 ~ +65 Centigrade
Ø Exterior dimensions ：HM- 10 26.9mm x 13mm x 2.2 mm; HM-11 1813.52.2mm

Two 、 Product overview

HM-10、HM-11 Series Bluetooth module adopts TI CC2540 chip , To configure 256Kb Space , Support
AT Instructions , Users can change roles as needed （ Lord 、 Slave mode ） And serial port baud rate 、 Equipment name 、
Pairing password and other parameters , Flexible use .

3、 ... and 、HM Key points for connection between series Bluetooth module and MCU ：

HM The working voltage of series Bluetooth module is recommended 3.3V, And 3.3V Single chip microcomputer can be directly connected ,
When needed with 5V When the SCM is connected , Please enter the module RX Pin and MCU TX There is a string between the pins
1-2K The resistance of , Protect the module RX Pin , Prevent from being burned .

Four 、 bluetooth BLE4.0-HM-10 Device pairing

1. test

Instructions The reply Parameters
AT OK / OK+LOST nothing
When the module is in standby mode , It will return through the serial port : “OK”
When the module is connected , Will disconnect and return ：”OK+LOST”, The premise is that AT+NOTI1
Test whether Bluetooth is available

2. Check this machine MAC Address

Instructions The reply Parameters
AT+ADDR? OK+LADD:MAC Address nothing
Record the queried local MAC Address spare

3. Inquire about / Set broadcast mode

Instructions The reply Parameters
Inquire about ：AT+ADTY? OK+ Get:[Para] nothing
Set up ： AT+ADTY[Para] OK+ Set:[Para] Para: 0 ~ 3
0: Any device search connection
1: Allow last successful device connection
( On the power 1.28 In seconds )
2: Allow broadcast and search
3: Broadcast only
Default: 0
notes ： Instructions available in slave mode
Added since V519 version
Determine whether the instruction settings are available , Set to 0: Any device search connection

4. Inquire about / Set the white list switch ( Only 3 Links to specified addresses )

Instructions The reply Parameters
Inquire about ：AT+ALLO? OK+ Get:[Para] nothing
Set up ：AT+ALLO[Para] OK+ Set:[Para] Para: 0 ~ 1
0: Off
1: Open
Default: 0
notes ： Instructions available in slave mode
Added since V523 version
Determine whether the instruction settings are available , Set to 1: Open

5. Inquire about 、 Set master-slave mode

Instructions The reply Parameters
Inquire about ：AT+ROLE? OK+ Get: [para1]
Set up ：AT+ROLE[para1] OK+Set: [para1]
Para1: 0 ~ 1
1: Main equipment
0: Slave device
Default: 0
notes ： After the command is executed , It will cause module delay 500ms restart .
Inquire about 、 Set the master-slave mode of two Bluetooth modules , One for the main , One is from

6. Inquire about / Set whitelist address

Instructions The reply Parameters
Inquire about ： AT+AD[Para1]?? OK+ Get:[Para2] nothing
AT+AD[Para1][Para2] OK+CONN[Para2] Para1: 1~3
Para2: Bluetooth address
Such as : 0017EA0943AE
For example, check the address of the white list 1：
Send: AT+AD1??
Recv: OK+AD1001122334455 (001122334455 For Bluetooth address )
Set whitelist address 1：
Send: AT+AD1001122334455 (001122334455 For Bluetooth address )
Recv: OK+AD1001122334455
Para1: 1~3 For Bluetooth module 3 An address , We usually only use one , The setting address instructions of both Bluetooth modules are available Send: AT+AD1001122334455 (001122334455 For each other's Bluetooth address )
Record the two Bluetooth modules found MAC Write the Bluetooth address of the other party respectively

7. Inquire about 、 set baud rate

Instructions The reply Parameters
Inquire about ：AT+BAUD? OK+Get: [para1]
Set up ：AT+BAUD[para1] OK+Set: [para1]
Para1：0～8
0=9600;1=19200;
2=38400;3=57600;
4=115200;5=4800;
6=2400;7=1200;
8=230400;
Default：0（9600）
Examples are as follows ：
send out ：AT+BAUD2
return ：OK+Set:2
0---------9600
1---------19200
2---------38400
3---------57600
4---------115200
5---------4800
6----------2400
7----------1200 ( Switch to 1200 Will not support AT Command to configure , And sending and receiving error code needs
You control , It is recommended that each delivery and receipt should not exceed 10 Bytes , Until you press... In standby mode PIO0,
The module will automatically return to the factory settings )

8----------230400

notes ： After the command is executed , The newly set parameters can take effect only after power on again .
Inquire about 、 Set the baud rate of Bluetooth data transmission

8. Clear device pairing information
   Instructions The reply Parameters
   AT+CLEAR OK+CLEAR nothing
   Clear the address code information of the successfully connected device .
   Clear the address code information of the last successfully connected device , Power off and restart , Lord 、 The indicator of the Bluetooth module is always on , That is, complete the pairing , otherwise ： Execution instruction 9 After restoring the default settings , Re operate the first eight instructions .

9. Restore default settings (Renew)

Instructions The reply Parameters
AT+RENEW OK+RENEW nothing
Restore the default factory setting of the module , All settings of the module will be reset , Restore to the factory state ,
After restoring the factory settings , Module delay 500ms Restart after , If not necessary , Please use with caution .
Two Bluetooth modules are as above 8 The pairing can be completed by the corresponding operation of instructions .（ Instructions come in no order ）

That's it HM BLE4.0 Pairing of Bluetooth modules . What about? , Did you make it ……

5、 ... and 、 Other possible instructions

1. Inquire about / Set up ANCS switch

Instructions The reply Parameters
Inquire about ：AT+ANCS? OK+ Get:[Para] nothing
Set up ：AT+ANCS[Para] OK+ Set:[Para] Para: 0 ~ 1
0: Off
1: Open
Default: 0
After the device is successfully paired and bound with Bluetooth for the first time , ANCS Notify the device , It's not necessary

2. Connect the slave device that succeeded in the last connection

Instructions The reply Parameters
AT+CONNL OK+CONN[Para] Para: L, N, E,F
L: Connecting
N: Empty address
E: Connection error
F: The connection fails
If the remote equipment is abnormally powered off or has established a connection with other equipment , be OK+CONNF need 10
It will return in about seconds .
notes ： This command is only valid when the master device ; This command is not accepted when slave device , Send this command without
Reply , And don't execute .

3. Connect the slave device with the specified Bluetooth address

Instructions The reply Parameters
AT+CON[para1] OK+CONN[Para2] Para1: Bluetooth address
Such as : 0017EA0943AE
Para2: A, E, F
A: Connecting
B: Connection error
F: The connection fails
If the remote equipment is abnormally powered off or has established a connection with other equipment , be OK+CONNF need 10
It will return in about seconds .
notes ： This command is only valid when the master device ; This command is not accepted when slave device , Send this command without
Reply , And don't execute .

4. Connect the device returned by the search

Instructions The reply Parameters
AT+CONN[para1] OK+CONN[para2] Para1: 0~5, Depending on
AT+DISC? Number of searches ,
Subscript from 0 Start .
Para2: E, F, 0~5
E: Connection error
F: The connection fails
0~5: Trying to connect
This instruction is in the main mode 、 Manual operation mode command . Before use, it must meet AT+ROLE1,
AT+IMME1,AT+DISC? Conditions .
notes ： After successfully connecting any Bluetooth device , All information searched will be cleared , If you want
Connect other devices , Please search again .

5. Set the working type of the module

Instructions The reply Parameters
Inquire about ：AT+IMME? OK+ Get:[para] nothing
Set up ：
AT+IMME[para]
OK+Set:[para] Para: 0 ~ 1
0: Work immediately after power on
1: On electric after temporary No work do , wait for
AT+START/AT+CON/AT+CONN
Such as instruction
Default: 0
notes ： The setting value takes effect after power on again .

6. Set whether to notify the upper computer of the connection status

Instructions The reply Parameters
Inquire about ：AT+NOTI? OK+ Get:[para] nothing
Set up ：AT+NOTI[para] OK+Set:[para] Para: 0 ~ 1
0: Do not notify after connecting Upper computer
1: Notify the upper computer after connection
Default: 0
notes ： Such as Para Value to 1, After the module is successfully connected to the remote module , Will send through serial port
send ”OK+CONN” Characters are given to the upper computer welded with the module , After disconnecting, it will send
send ”OK+LOST” character .

7. Module reset , restart (Reset)

Instructions The reply Parameters
AT+RESET OK+RESET nothing

8. Query the remote host address successfully connected

Instructions The reply Parameters
AT+RADD? OK+RADD:MAC Address nothing
9. Inquire about 、 Set pairing password
Instructions The reply Parameters
Inquire about ：AT+PASS? OK+PASS:[para1]
Set up ：AT+PASS[para1] OK+Set:[para1]
Para1: 000000~999999
Default：000000