Bluetooth® Low Energy AT order set

This chapter introduces the Bluetooth low energy instruction set. This instruction set will be adapted differently for different modules. For specific differences, please move to Firmware iterations and differences.

Basic command:

  • AT+BLEMAC: query or set Bluetooth MAC address

  • AT+BLEMODE: query or set Bluetooth working mode

  • AT+BLERFPWR: query or set Bluetooth transmit power

  • AT+BLESTATE: query connection status

  • AT+BLEDISCON: disconnect Bluetooth

  • AT+BLEMTU: query or set Bluetooth MTU

  • AT+BLESEND: Send data to the Bluetooth transparent transmission channel

  • AT+BLESERUUID: query or set the UUID of the Bluetooth transparent transmission service

  • AT+BLETXUUID: query or set the UUID of the TX feature of the Bluetooth transparent transmission service

  • AT+BLERXUUID: Query or set the UUID of the RX feature of the Bluetooth transparent transmission service

  • AT+TRANSENTER: Enter Bluetooth transparent transmission mode

slave command

  • +DATA: Bluetooth transparent transmission data received in host mode

  • AT+BLENAME: query or set the Bluetooth device name

  • AT+BLECONINTV: query or set the Bluetooth connection interval

  • AT+BLEAUTH: query or set Bluetooth pairing code

  • AT+BLEADVINTV: Query or set the Bluetooth broadcast interval

  • AT+BLEADVDATA: query or set Bluetooth broadcast data

  • AT+BLEADVEN: query or set Bluetooth broadcast enable

host command

iBeacon command

BLE MESH command

basic command

AT+BLEMAC:Query or set Bluetooth MAC address

description

  • Query or set Bluetooth MAC address

excuting an order

query order:

AT+BLEMAC?

respond:

+BLEMAC:<MAC>

OK

set command: Set Bluetooth MAC address (valid after reboot)

AT+BLEMAC=<MAC>

respond:

OK

parameter

  • The Bluetooth MAC address to be set, the format is lowercase without separation eg:ab5f8d9ebb01

example

AT+BLEMAC=ab5f8d9ebb01

OK

AT+BLEMODE:Query or set the Bluetooth working mode

description

  • Query or set the Bluetooth working mode

Notice

  • For Realtek series (BW16/BW15), if multiple wireless types are turned on, they need to be turned on in the specified order

  • It will be executed immediately after setting the bluetooth mode. If you start bluetooth, you need to set the bluetooth parameter first and then start bluetooth

  • If you enable AP+STA+Bluetooth three-mode, or AP+STA hybrid mode, you need to turn on the AP first, and then connect to STA or Bluetooth (there is no requirement for the order of Bluetooth and STA, but you must turn on the AP first)

excuting an order

query order: Set Bluetooth working mode

AT+BLEMODE?

respond:

+BLEMODE :<mode>

OK

set command: Set Bluetooth working mode

AT+BLEMODE=<mode>

respond:

OK

parameter

  • Mode:
    • 0:slave mode

    • 1:host mode

    • 2:iBeacon mode

    • 9:Bluetooth off

example

AT+BLEMODE=0

OK

AT+BLERFPWR:Query or set the Bluetooth transmission power

description

  • Query or set the Bluetooth transmission power

remark

The default current transmit power of PB series is the maximum transmit power 10 - The default current transmit power of TB series is the maximum transmit power 10

excuting an order

query order: Query Bluetooth transmit power

AT+BLERFPWR?

respond:

+BLERFPWR:MAX:<max_power> MIN:<min_power> CURRENT:<cur_power>

OK

 - max_power: The maximum Bluetooth transmission power supported by the current module
 - min_power: The minimum Bluetooth transmission power supported by the current module
 - cur_power: Bluetooth transmission power set by the current module

set command: Set the Bluetooth transmission power (need to be set when Bluetooth is off)

AT+BLERFPWR=<power>

respond:

OK

parameter

  • power:Bluetooth transmit power, the value is an integer, MAX (maximum transmit power), MIN (minimum transmit power)

example

AT+BLERFPWR=10

OK

AT+BLESTATE:Query the Bluetooth connection status

description

  • Query the Bluetooth connection status

excuting an order

order:

AT+BLESTATE?

respond:

+ BLESTATE:<status>

OK

parameter

  • status:
    • 0:not connected

    • 1:connected

example

AT+BLESTATE?

+ BLESTATE:0

OK

AT+BLEDISCON:disconnect Bluetooth

description

  • disconnect Bluetooth

excuting an order

order:

AT+BLEDISCON

respond:

OK

example

AT+BLEDISCON

OK

AT+BLEMTU:Query or set Bluetooth MTU

description

  • Query or set Bluetooth MTU

remark

  • The default MTU of PB series is 23

  • The default MTU of TB series is 247

excuting an order

query order: Query Bluetooth MTU

AT+BLEMTU?

respond:

+BLEMTU:<MTU>

OK

set command: Set Bluetooth MTU

AT+BLEMTU=<mtu>

respond:

OK

parameter

  • mtu:Set the MTU of Bluetooth, the value is 23~250

example

AT+BLEMTU=247

OK

AT+BLESEND:Send data to the Bluetooth transparent transmission channel

description

  • Send data to the Bluetooth transparent transmission channel

excuting an order

order:

AT+BLESEND=<len>,<data>

respond:

OK

parameter

  • len: the length of the data to be sent, in bytes

  • data: the content of the data to be sent, the length should be consistent with len

example

AT+BLESEND=5,12345

OK

AT+BLESERUUID:Query or set the Bluetooth transparent transmission service UUID

description

  • Query or set the Bluetooth transparent transmission service UUID

remark

  • default master service UUID: 55535343fe7d4ae58fa99fafd205e455

excuting an order

query order: Query the UUID of the Bluetooth transparent transmission service

AT+BLESERUUID?

respond:

+BLESERUUID:<UUID>

OK

set command: Set the Bluetooth transparent transmission service UUID (only allow to set the Bluetooth name when Bluetooth is off)

AT+BLESERUUID=<UUID>

respond:

OK

parameter

  • UUID:16-byte service ID, string length 32 bits eg:00112233445566778899aabbccddeeff

example

AT+BLESERUUID=55535343fe7d4ae58fa99fafd205e455

OK

AT+BLETXUUID:Query or set the TX characteristic UUID of the Bluetooth transparent transmission service

description

  • Query or set the TX characteristic UUID of the Bluetooth transparent transmission service

remark

  • Default TX UUID: 49535343884143f4a8d4ecbe34729bb3

  • The Bluetooth service attribute corresponding to TX is NOTIFY

excuting an order

query order: Query the UUID of the TX characteristic of the Bluetooth transparent transmission service

AT+BLETXUUID?

respond:

+BLETXUUID:<UUID>

OK

set command: Set the TX characteristic UUID of the Bluetooth transparent transmission service (only allow to set the Bluetooth name when the Bluetooth is turned off)

AT+BLETXUUID=<UUID>

respond:

OK

parameter

  • UUID:16-byte service ID, string length 32 bits eg:00112233445566778899aabbccddeeff

example

AT+BLETXUUID=49535343884143f4a8d4ecbe34729bb3

OK

AT+BLERXUUID:Query or set the RX characteristic UUID of the Bluetooth transparent transmission service

description

  • Query or set the RX characteristic UUID of the Bluetooth transparent transmission service

remark

  • Default RX UUID: 495353431e4d4bd9ba6123c647249616

  • The Bluetooth service attribute corresponding to RX is NOTIFY

excuting an order

query order: Query the UUID of the RX characteristic of the Bluetooth transparent transmission service

AT+BLERXUUID?

respond:

+BLERXUUID:<UUID>

OK

set command: Set the RX characteristic UUID of the Bluetooth transparent transmission service (only allow to set the Bluetooth name when the Bluetooth is turned off)

AT+BLERXUUID=<UUID>

respond:

OK

parameter

  • UUID:16-byte service ID, string length 32 bits eg:00112233445566778899aabbccddeeff

example

AT+BLETXUUID=495353431e4d4bd9ba6123c647249616

OK

AT+TRANSENTER:Enter Bluetooth transparent transmission mode

description

  • Enter Bluetooth transparent transmission mode

remark

  • After entering +++, you can exit the transparent transmission mode and enter the AT command mode

  • remark: Automatically enter transparent transmission mode after default connection

excuting an order

order:

AT+TRANSENTER

respond:

OK

example

AT+TRANSENTER

OK

slave command

+DATA:In host mode, the data sent by the Bluetooth transparent UUID channel is received

description

  • In host mode, the data sent by the Bluetooth transparent UUID channel is received

parameter

  • len: length of received data in bytes

  • data: the received data content, the length should be consistent with len

AT+BLENAME:Query or set the Bluetooth device name

description

  • Query or set the Bluetooth device name

remark

  • default Bluetooth name: ai-thinker

excuting an order

query order: Query Bluetooth name

AT+BLENAME?

respond:

+BLENAME :<ble name>

OK

set command: Set the bluetooth device name (only allow to set the bluetooth name when bluetooth is off)

AT+BLENAME=<ble name>

respond:

OK

parameter

  • ble name:Bluetooth name (UTF-8 format, support Chinese)

example

AT+BLENAME=ai-thinker

OK

AT+BLECONINTV:Query or set the Bluetooth connection interval

description

  • Query or set the Bluetooth connection interval

remark

  • PB series default parameter: +BLECONINTV:6,12,0,200

  • TB series default parameter: +BLECONINTV:8,8,99,400

excuting an order

query order: Query the Bluetooth connection interval

AT+BLECONINTV?

respond:

+BLECONINTV:<min_interval>,< max_interval>,<latency>,< timeout>

OK

set command: Set the Bluetooth connection interval (only allowed to be set when Bluetooth is off)

AT+BLECONINTV=<min_interval>,< max_interval>,<latency>,< timeout>

respond:

OK

parameter

min_interval: the minimum connection interval, the value is 6~3200, the actual time is minInterval*1.25ms, the requirement is 7.5ms ~ 4s - max_interval: the maximum connection interval, the value is 6~3200, the actual time is minInterval*1.25ms, the requirement is 7.5ms ~ 4s - Latency: Delay (can skip several connections), required between 0~499 - Timeout: timeout time, the value is 10~3200, the actual time is Timeout*10ms or 100ms~32*1000ms and Timeout*10>(1+Latency)*max_interval*1.25

example

AT+BLECONINTV=6,12,0,200

OK

AT+BLEAUTH:Query or set the Bluetooth pairing code

description

  • Query or set the Bluetooth pairing code

excuting an order

query order: Query Bluetooth pairing code

AT+BLEAUTH?

respond:

+BLEAUTH:<pind>

OK

set command: Set the Bluetooth pairing code (only allowed to perform settings when Bluetooth is turned off))

AT+BLEAUTH=<pind>

respond:

OK

parameter

  • pind: Enable pairing code, set 6 digits eg:123456

  • Disable pairing code DISENABLE

example

AT+BLEAUTH=123456

OK

AT+BLEADVINTV:Query or set the Bluetooth broadcast interval

description

  • Query or set the Bluetooth broadcast interval

remark

  • PB default parameter 320

  • TB default parameter 800

excuting an order

query order: Query the Bluetooth broadcast interval

AT+BLEADVINTV?

respond:

+BLEADVINTV:<intv>

OK

set command: Set the Bluetooth broadcast interval (only allowed to perform settings when Bluetooth is off)

AT+BLEADVINTV=<intv>

respond:

OK

parameter

  • <intv>: broadcast interval, the unit value is 160~16384, the broadcast interval is iNtv*0.625ms

example

AT+BLEADVINTV=160

OK

AT+BLEADVDATA:Query or set Bluetooth broadcast data

description

  • Query or set Bluetooth broadcast data

remark

  • Default parameter: MAC+55e4 (the first four uuids of the main service), for example: 40154641871855e4

excuting an order

query order: Query Bluetooth broadcast data

AT+BLEADVDATA?

respond:

+BLEADVDATA:<data>

OK

set command: Set Bluetooth broadcast data (only allowed to perform settings when Bluetooth is off)

AT+BLEADVDATA=<data>

respond:

OK

parameter

  • data:The set Bluetooth data (this is hex data in the form of a string, the maximum length is 32 bytes eg:00112233445566778899aabbccddeeff)

example

AT+BLEADVDATA=40154641871855e4

OK

AT+BLEADVEN:Query or set Bluetooth broadcast enable

description

  • Query or set Bluetooth broadcast enable

remark

  • enabled by default

excuting an order

query order: Query Bluetooth broadcast enable

AT+BLEADVEN?

respond:

+BLEADVEN:<status>

OK

set command: Set the Bluetooth broadcast enable (only allowed to perform settings in the Bluetooth slave state)

AT+BLEADVEN=<status>

respond:

OK

parameter

  • status:
    • 0:turn off

    • 1:turn on

example

AT+BLEADVEN=1

OK

host command

AT+BLESCAN:Initiate scanning in Bluetooth host mode

description

  • Initiate scanning in Bluetooth host mode

remark

  • The default scan time of PB series is 5 seconds, the scan interval is 230*0.625 mSec, and the scan window is 160*0.625 mSec

  • The default scan time of TB series is 2 seconds, the scan interval is 160*0.625 mSec, and the scan window is 160*0.625 mSec

excuting an order

order:

AT+BLESCAN

respond:

OK //Notice here this OK just means that the command is sent successfully, the scan is not actually over

Devices Found:id/total //index/total Indicates the serial number of the currently scanned Bluetooth device and the total number of scanned devices

name:<name> //Bluetooth name, if not, display N/A

MAC:<MAC> //lower case without :

rssi:<rssi>

Devices Found:<id/total>

name:<name>N/A

MAC:<MAC>

rssi:<rssi>

........

example

AT+BLEMODE=1

OK

AT+BLESCAN

OK

AT+BLECONNECT:Bluetooth host initiates a connection

description

  • Bluetooth host initiates a connection

excuting an order

order:

AT+BLECONNECT=<MAC>

respond:

Connecting... ...

OK

parameter

  • MAC:Connect target mac address(eg:A4C13812505C)

example

AT+BLEMODE=1

OK

AT+BLECONNECT=A4C13812505C

OK

AT+BLEAUTOCON:Set the master to automatically connect to the slave parameter

description

  • Connect to the specified Bluetooth (only allowed to connect in the Bluetooth host state)

excuting an order

order:

AT+BLEAUTOCON=<MAC>,<UUID>,<save_flash>

respond:

+EVENT:BLE_CONNECTED //This message is displayed if the connection is successful

+BLEAUTOCON:Wait connect
    //If the specified Bluetooth is not currently scanned, the message will be displayed (the background will also scan automatically, and it will automatically connect when the specified connection is scanned)

OK

parameter

  • MAC: The mac address of the connection target (eg: A4C13812505C)

  • UUID: If you need to connect to the specified UUID, set it to the last two digits of the target UUID (eg: E455)

  • Notice: Either input MAC, UUID can realize the connection (both can be set), if there is no limit, set it to FALSE, if both MAC and UUID are set to FALSE, then turn off to automatically connect

  • save_flash: Whether to save to flash, and set to automatically connect when booting, 0 means not to save, only this connection, 1 means save to flash, and automatically connect next time

example

AT+BLEAUTOCON=A4C13812505C,55535343fe7d4ae58fa99fafd205e455,1

OK

AT+BLEDISAUTOCON:cancel automatic scan connection

description

  • cancel automatic scan connection

excuting an order

order:

AT+BLEDISAUTOCON

respond:

OK

example

AT+BLEDISAUTOCON

OK

iBeacon command

AT+BLEIBCNUUID:Query or set Bluetooth iBeacon UUID

description

  • Query or set Bluetooth iBeacon UUID

excuting an order

query order: Query Bluetooth iBeacon UUID

AT+BLEIBCNUUID?

respond:

+BLEIBCNIIUD:<iBeacon>

OK

set command: Set the Bluetooth iBeacon UUID (only allow to set the Bluetooth iBeacon UUID in the Bluetooth turn off state)

AT+BLEIBCNUUID=<iBeacon>

respond:

OK

parameter

  • iBeacon: UUID to be set: 16-byte service ID, string length 32 bits eg: 00112233445566778899aabbccddeeff

example

AT+BLETXUUID=495353431e4d4bd9ba6123c647249616

OK

AT+BLEIBCNDATA:Query or set Bluetooth iBeacon data

description

  • Query or set Bluetooth iBeacon data

excuting an order

query order: Query Bluetooth iBeacon data

AT+BLEIBCNDATA?

respond:

+BLEIBCNDATA:<companyID>,<major>,<minor>,<power>

OK

set command: Set Bluetooth iBeacon data (only allowed to set Bluetooth iBeacon UUID in Bluetooth turn off state)

AT+BLEIBCNDATA=<company ID>,<MAJOR>,<MINOR>,<POWER>

respond:

OK

parameter

  • companyID (2 bytes of hexadecimal data, eg: 11aa)

  • MAJOR (2 bytes of hexadecimal data, eg: 11aa)

  • MINOR (2 bytes of hexadecimal data, eg: 11aa)

  • POWER (1 byte hexadecimal data, eg: aa)

example

AT+BLEIBCNDATA=4c00,2774,6b74,c5

OK

BLE MESH command

SIG-MESH command

AT+PROVISION:Bluetooth settings start distribution network function

description

  • Set Bluetooth to enable network distribution function

excuting an order

order:

AT+PROVISION

respond:

OK

remark

  • When the node is in the unProvisioning state, that is, it has not been provisioned, no broadcast is sent at this time, and the gateway cannot scan the device and connect it. If you need to connect, you need to use the AT+PROVISION command to enable the node so that the device can be scanned and connected. When the device is in the Provisioning state, that is, it has already been configured with the gateway, no need to enable the node, and the node will automatically connect to the mesh network that has been configured

example

AT+PROVISION

OK

AT+MESHSEND:SIG-MESH send data

description

  • SIG-MESH send data

excuting an order

order:

AT+MESHSEND=<addr>,<opcode>,<data>

respond:

OK

parameter

  • addr: the address of the target

  • opcode: opcode

  • At present, the operation codes for the gateways sold by our company are as follows:

  • 1:set command, opcode is D18888

  • 2: get command, the opcode is D08888

  • 3: ACK command, the opcode is D38888

  • 4: delete node command opcode opcode is D28888

  • data: data example:

  • {“mesh_data vendor” : { “daddr” : 3 , “saddr” : 2 , “opcode” : d38888 , “data_len” :2 , “data” : 0101 (hex string) ret : 1 }}

example

AT+MESHSEND=FFFF,D38888,0102030405

OK

AT+MESHADDR:Query node address

description

  • Query node address

excuting an order

order:

AT+MESHADDR

respond:

+MESHADDR:<addr>

OK

example

AT+MESHADDR

+MESHADDR:<FFFF>

OK

AT+MESHSTATE:Query whether the distribution network is successful

description

  • Query whether the distribution network is successful

excuting an order

order:

AT+MESHSTATE

respond:

+MESHSTATE:<status>

OK

parameter

  • status:
    • 0:fail

    • 1:success

example

AT+MESHSTATE

+MESHSTATE:0

OK

ALI-MESH command

aliGenie_data:Tmall Genie sends data

description

  • Tmall Genie sends data

mode

  • { “aliGenie_data” : { “daddr” : %x , “saddr” : %x , “opcode” : %x , “data_len” : %d , “data” : %s }}//data mode is json character string

  • daddr: destination address

  • saddr: source address

  • opcode: opcode

  • data_len: data length

  • data: data content

AT+AliGenie:Set the Tmall Genie triplet

description

  • Set the Tmall Genie triplet

excuting an order

order:

AT+AliGenie=<pid>,<mac>,<secret>

respond:

OK

parameter

  • pid: triple product ID (8 digits)

  • mac: triplet physical address (12 bits)

  • secret: Triple key (32 bits)

  • Notice: All are hexadecimal strings

AT+SEND2ALI:Report data to Tmall Genie platform

description

  • Report data to Tmall Genie platform

excuting an order

order:

AT+SEND2ALI=<opcode>,<param>

respond:

OK

parameter

  • opcode: operation code, length 6 bits/4 bits

  • param: report parameter, the maximum length is 20 characters

example

report status is open
AT+SEND2ALI=8204,01


OK