General AT Command ← Bluetooth, BLE, GATT, High Speed Data and Audio
| General | Description | |
| B3101 | AT | UART Communication Test |
| B3102 | AT+PROFILE | Bluetooth Profile Selection <auto reboot> |
| B3103 | AT+VER | Read firmware version |
| B3104 | AT+ADDR | Read BR/EDR MAC Address |
| B3105 | AT+LEADDR | Read BLE MAC Address |
| B3106 | AT+NAME | Read/Write BR/EDR Local Name |
| B3107 | AT+LENAME | Read/Write BLE Local Name |
| B3108 | AT+LECFG | Read/Write BLE Random Address Configuration <need reboot> |
| B3109 | AT+BAUD | Read/Write Baud Rate |
| B3110 | AT+PIN | Read/Write PIN Code |
| B3111 | AT+SSP | Turn On/Off Secure Simple Pairing <need reboot> |
| B3112 | AT+COD | Read/Write Class Of Device <need reboot> |
| B3113 | AT+PLIST | Read/Clear Paired Record |
| B3114 | AT+TPMODE | Turn On/Off Throughput Mode |
| B3115 | AT+STAT | Read Module States |
| B3116 | AT+AUTOCONN | Turn On/Off Power On Auto Reconnect <need reboot> |
| B3117 | AT+SCAN | Scan Nearby Devices |
| B3118 | AT+SPKVOL | Speaker Volume Setting |
| B3119 | AT+I2SCFG | I2S/PCM Format Configuration <need reboot> |
| B3120 | AT+I2SCHAN | I2S Channel Setting < need reboot> |
| B3121 | AT+DSCA | Release All Connections |
| B3122 | AT+REBOOT | Soft Reboot |
| B3123 | AT+RESTORE | Restore Factory Settings |
| B3124 | AT+BTEN | Enable BT Module |
| B3125 | AT+PAIR | Entering Pairing Mode |
| B3126 | AT+PRINT | Enable Print Log |
| B3127 | AT+MUTEDELAY | Audio Active PIO Delay Time Configuration |
| B3128 | AT+LINECFG | Line-In Configuration |
| B3129 | AT+AUDROUTE | Audio Route Manager |
| B3130 | AT+TXPOWER | TX Power Configuration |
B3101 AT UART Communication Test
Test the UART communication between HOST and Module after power-on.
| E) AT | OK |
| Example |
AT OK |
B3102 AT+PROFILE Bluetooth Profile Selection <Auto Reboot>
Bluetooth Audio Module may support SPP, GATT Server, GATT Client, HFP Sink, A2DP Sink, AVRCP Controller, HID Keyboard, and PBAP Server.
The default program does not support PBAP and HID Keyboard.
| Q) AT+PROFILE{=Param} | +PROFILE=Param |
Param: A base-10 representation of a bit field, default:171, for each bit: BIT[0] SPP (Serial Port Profile) BIT[1] GATT Server (Generic Attribute Profile) BIT[2] GATT Client (Generic Attribute Profile) BIT[3] HFP Sink (Hands-Free Profile) BIT[4] HFP Source (Hands-Free Profile) BIT[5] A2DP Sink (Advanced Audio Distribution Profile) BIT[6] A2DP Source (Advanced Audio Distribution Profile) BIT[7] AVRCP Controller (Audio/Video remote controller Profile) BIT[8] AVRCP Target (Audio/Video remote controller Profile) BIT[9] HID Keyboard (Human Interface Profile) BIT[10] PBAP Server (Phonebook Access Profile) |
| 십진수 | B10 | B09 | B08 | B07 | B06 | B05 | B04 | B03 | B02 | B01 | B00 |
|
PBAP
|
HID
|
AVRCP TRGT |
AVRCP CTRL |
A2DP SRC |
A2DP SNK |
HFP AG |
HFP HF |
GATT CLNT |
GATT SVR |
SPP
|
|
| 117 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 1 |
| 339 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 1 | 1 |
| Example |
AT+PROFILE +PROFILE=171 OK |
Read current profile selection
|
|
AT+PROFILE=16 OK |
Only Enable A2DP SINK,AVRCP Controller |
B3103 AT+VER Read firmware version
| Q) AT+VER |
+VER=Param OK |
Param: Firmware version (26 Bytes ASCII) |
| Example |
AT+VER +VER=FSC-BT100X,V1.0.0,20160120 OK |
Read module’s firmware version |
B3104 AT+ADDR Read ER/BDR MAC Address
| Q) AT+ADDR |
+ADDR=Param OK |
Param: Module’s BR/EDR MAC address (12 Bytes ASCII) |
| Example |
AT+ADDR +ADDR=DC0D30123456 OK |
Read Module’s BR/EDR MAC address |
B3105 AT+LEADDR Read BLE MAC Address
| Q) AT+LEADDR |
+LEADDR=Param OK |
Param: Module’s BLE MAC address (12 Bytes ASCII) |
B3106 AT+NAME Read/Write BR/EDR Local Name
Write local name if parameter existence, otherwise read the current local name.
| Q) AT+NAME |
+NAME=Param OK |
|
| E) AT+NAME {=Param1{, Param2}} | OK |
Param1:BR/EDR local name (1~31 Bytes ASCII, default: FSC-BT1006A-0002) Param2: MAC address suffix (0/1, default:1) (0) Disable suffix (1) Enable suffix “-XXXX” (lower 4 bytes of MAC address) after local name |
| Example |
AT+NAME NAME=Feasycom OK |
Read current local name |
| Example |
AT+NAME=ABC OK |
Change module’s local name to “ABC” |
| Example |
AT+NAME=ABC,1 OK |
Change module’s local name to “ABC” and enable suffix |
B3107 AT+LENAME Read/Write BLE Local Name
Write the local name if the parameter exists, otherwise read the current local name.
| Q) AT+LENAME |
+LENAME=Param OK |
|
| E) AT+LENAME {=Param1{, Param2}} | OK |
Param1: BLE local name (1~25 Bytes ASCII, default: FSC-BT1006A-LE-0002) Param2: MAC address suffix (0/1, default:1) (0) Disable suffix (1) Enable suffix “-XXXX” (lower 4 bytes of MAC address) after local name |
B3108 AT+LECFG Read/Write BLE Random Address Configuration <need reboot>
| Q) AT+BAUD |
+LECFG=Param OK |
|
| E) AT+LECFG {=Param} |
Param1: BLE Random address enable(0/1, default:1) (0) Disable (1) Enable |
B3109 AT+BAUD Read/Write Baud Rate
The module’s baud rate will be changed immediately after receiving this command
| Q) AT+BAUD |
+BAUD=Param OK |
|
| E) AT+BAUD{=Param} |
Param: 1200/2400/4800/9600/19200/38400/57600/115200/ 230400/460800/921600, default:115200) |
B3110 AT+PIN Read/Write PIN Code
| Q) AT+PIN |
+PIN=Param OK |
|
| E) AT+PIN{=Param} | Param: Pin code (4~15 Bytes ASCII, default:0000) |
| Example |
AT+PIN +PIN=0000 OK |
Read module’s pin code |
|
AT+PIN=12345678 OK |
Change module’s pin code to “12345678” | |
| 아래에 있는 AT+SSP 명령으로 PIN 코드와 관련된 Pairing 절차를 설정할 수 있다. | ||
B3111 AT+SSP Turn On/Off Secure Simple Pairing <need reboot>
PIN code input will be by passed if simple pairing is on in paring procedure.
| Q) AT+SSP |
+SSP=Param OK |
|
| E) AT+SSP{=Param} |
Param: Simple pairing (0/1, default:1) (0) Turn Off (1) Turn On |
B3112 AT+COD Read/Write Class Of Device <need reboot>
| Q) AT+COD |
+COD=Param OK |
|
| E) AT+COD{=Param} |
Param: Class of the device (6 bytes ASCII, default:240404 Handsfree device) |
B3113 AT+PLIST Read/Clear Paired Record
| Q) AT+PLIST |
Response1: +PLIST=Param1, Param2{, Param3} Response2: +PLIST=E: End of the paired record
|
Param1: (1~8) Paired device’s index Param2: (MAC) Paired device’s MAC address Param3: (UTF8) Paired device’s name |
| E) AT+PLIST{=Param} |
Param: (0/(1~8)/12 Bytes MAC Address (0) Clear all paired record (1~8) Clear specific paired record with index (MAC) Clear specific paired record with MAC address |
| Example |
AT+PLIST +PLIST=1,1C5CF226D773, iPhone +PLIST=2, A0BC30075421, Samsung S8 +PLIST=E OK |
Read module’s paired record |
| Example |
AT+PLIST=0 OK |
Clear module’s paired record |
B3114 AT+TPMODE Turn On/Off Throughput Mode <Need Reboot>
When SPP/GATT profile is connected and throughput mode is on, the AT command will be de-active,
every byte received via physical UART will be sent to air, and vice visa.
| Q) AT+TPMODE |
+TPMODE=Param OK |
|
| E) AT+TPMODE{=Param} |
Param: Throughput Mode (0) Turn Off, Default is 0 (1) Turn On |
| Example |
AT+TPMODE +TPMODE=1 OK |
Read current throughput mode |
| Example |
AT+TPMODE=0 OK |
Turn off throughput mode |
B3115 AT+STAT Read Module States
Refer to chapter 3 for state description, state may have different meanings according to profile selection
| Q) AT+STAT | +STAT=Param1, Param2, Param3, Param4, Param5, Param6, Param7, Param8, Param9 |
Param1: DEVSTAT Param2: SPPSTAT Param3: GATTSTAT Param4: HFPSTAT Param5: A2DPSTAT Param6: PEERSTAT Param7: AVRCPSTAT Param8: HIDSTAT Param9: PBSTAT |
B3116 AT+AUTOCONN Turn On/Off Power On Auto Reconnect <need reboot>
The module will attempt to connect the last device after power-on if set
| Q) AT+AUTOCONN | +AUTOCONN=Param | |
| E) AT+AUTOCONN{=Param} |
Param: Option (0~15, default:3) (0) Turn Off (1-15) Turn on and reconnect times |
B3117 AT+SCAN Scan Nearby Devices
Refer to the “Indication Table” page for a format description of scan results when in A2DP Slave mode.
| Q) AT+SCAN | ||
| E) AT+SCAN {=Param} |
Param (0) Stop scan (1) Scan nearby BLE devices |
| Example |
AT+SCAN=1 +DEVSTAT=13 +SCAN=1�2�DC0D30000F7D�-51�14�FSC-BT955-0F7D +SCAN=2�2�AC8995D9D1C4�-81�19�BeoSound 1_27168461 +DEVSTAT=5
SCAN 중에 AT+SCAN=0으로 Scan 동작을 멈출 수 있다. |
Read current throughput mode |
B3118 AT+SPKVOL Speaker Volume Setting
| Q) AT+SPKVOL | ||
| E) AT+SPKVOL{=Param} | +SPKVOL =Param |
Param: (‘+’/’-’) |
| Example |
AT+SPKVOL +SPKVOL=14 |
Read current speaker volume |
| Example |
AT+SPKVOL=+ OK |
Increase audio speaker volume |
B3119 AT+I2SCFG I2S/PCM Format Configuration <need reboot>
| Q) AT+I2SCFG | ||
| E) AT+I2SCFG{=Param} |
Param: A base-10 representation of a bit field, default:0, for each bit: BIT[0] 0: Disable I2S/PCM for audio input/output BIT[1] 0: I2S/PCM master role BIT[2] 0: 48000Hz sample rate BIT[3-4] 00: I2S Philips standard format BIT[5-6] 00: 16-bit resolution |
| Example |
AT+I2SCFG +I2SCFG=0 |
Read current I2S/PCM configuration |
| Example |
AT+I2SCFG=65 OK |
Set I2S/PCM configuration to: I2S master, 32-bit resolution,48kHz. I2S LRCLK: 48000Hz I2S BCLK: 3.072MHz (48000Hz * 32bit * 2Stereo) |
B3120 AT+I2SCHAN I2S Channel Setting < need reboot>
I2S2 only supports output
| Q) AT+I2SCHAN | ||
| E) AT+I2SCHAN{=Param} | + I2SCHAN =Param |
Param: (0/1, default:0) (0) I2S Channel to Hardware I2S1 (1) I2S Channel to Hardware I2S2 |
B3121 AT+DSCA Release All Connections
Module release all Bluetooth connections with remote device
| Q) AT+DSCA |
B3122 AT+REBOOT Soft Reboot
Module release all Bluetooth connections with the remote device then reboot
| E) AT+REBOOT |
B3123 AT+RESTORE Restore Factory Settings
Module restore all factory settings then reboot
| E) AT+RESTORE |
B3124 AT+BTEN Establish GATT Connection (GATT Client only)
Disconnect all devices connected and put module enter unconnectable and undiscoverable state.
Always effective even reboot
| E) AT+BTEN{=Param} |
Param: (0~1) (0) Bluetooth disable (1) Bluetooth enable
|
B3125 AT+PAIR Enter Pairing Mode
Put module enter or quit connectable and discoverable state.
| E) AT+PAIR{=Param} |
Param: (0~1) (0) Exit Paring Mode (1) Enter Paring Mode |
B3126 AT+PRINT Enable Print Log
Enable module print the log(including states of profiles) to uart.
| E) AT+PRINT{=Param} |
Param: (0~1) (0) Disable (1) Eable |
B3127 AT+MUTEDELAY Audio Active PIO Delay Time Configuration
The param is used to eliminate the “pop” noise when the audio just established.
| E) AT+MUTEDELAY{=Param} |
Param: (0~60) Delay time = (Param * 50)ms |
B3128 AT+LINECFG LineIn Configuration <need reboot>
Bluetooth input source from linein
| E) AT+LINECFG{=Param} |
Param: (0~1) (0) Disable LineIn |
B3129 AT+AUDROUTE Audio Route Manager
Some route modes require a specific firmware version.
| E) AT+AUDROUTE{=Param} |
Param: Audio route Note: HF1 & HF2 means peer Bluetooth headphones (0) Stop audio routing (1) Route music (A2DP streaming) from Module to HP1/HP2 simultaneously (2) Route voice call (HFP SCO) between Module and HP1 (3) Route voice call (HFP SCO) between Module and HP2 (4) Route voice call (HFP SCO) between HP1 and HP2 (intercom mode) (5) Route voice call (HFP SCO) from Module to HP1/HP2 simultaneously (6) Route music (A2DP streaming) from Module to HP1 only (7) Route music (A2DP streaming) from Module to HP2 only |
B3130 AT+TXPOWER TX Power Configuration
Setting the maximum wireless output power of the Bluetooth module.
| E) AT+TXPOWER{=Param} |
Param: (0~15, Default 15) Note: HF1 & HF2 means peer Bluetooth headphones (0) -36.1 (1) -8.2 (2) -2.9 (3) 0.5 (4) 2.3 (5) 4.1 (6) 5.4 (7) 6.5 (8) 7.2 (9) 8.0 (10) 8.6 (11) 9.1 (12) 9.4 (13) 9.8 (14) 10.0 (15) 10.2 |
WiFi IoT Module
Bluetooth Module
5G/LTE/CAT-M1/NB-IoT
