General AT Command ← Bluetooth Dual-mode Module for Data Only
| General | Description | Modules | |
| B2101 | AT | UART Communication Test | |
| B2102 | AT+VER | Read firmware version | |
| B2103 | AT+ADDR | Read BR/EDR MAC Address | |
| B2104 | AT+LEADDR | Read BLE MAC Address | |
| B2105 | AT+NAME | Read/Write BR/EDR Local Name | |
| B2106 | AT+LENAME | Read/Write BLE Local Name | |
| B2107 | AT+PIN | Read/Write PIN Code | |
| B2108 | AT+SSP | Turn On/Off Secure Simple Pairing <need reboot> | |
| B2109 | AT+BAUD | Read/Write Baud Rate | |
| B2110 | AT+COD | Read/Write Class Of Device <need reboot> | |
| B2111 | AT+MODE | Read/Write Run Mode | |
| B2112 | AT+PLIST | Read/Clear Paired Record | |
| B2113 | AT+TPMODE | Turn On/Off Throughput Mode | |
| B2114 | AT+LPM | Turn On/Off Low Power Mode | |
| B2115 | AT+FLOWCTL | Turn On/Off Hardware Flow Control <need reboot> | |
| B2116 | AT+AUTOCONN | Turn On/Off Power On Auto Reconnect <need reboot> | |
| B2117 | AT+DSCA | Release All Connections | |
| B2118 | AT+REBOOT | Soft Reboot | |
| B2119 | AT+RESTORE | Restore Factory Settings | |
| B2120 | AT+SCAN | Scan Nearby Devices | |
| B2121 | AT+PIOCFG | PIO Function Configuration | |
B2101 AT UART Communication Test
Test the UART communication between HOST and Module after power-on.
| E) AT | OK |
| Example |
AT OK |
B2102 AT+VER Read firmware version
| Q) AT+VER |
+VER=Param OK |
Param: Firmware version (16 Bytes ASCII) |
| Example |
AT+VER +VER=8.3.1,FSC-BT816S OK |
Read module’s firmware version |
B2103 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 |
B2104 AT+LEADDR Read BLE MAC Address
| Q) AT+LEADDR |
+LEADDR=Param OK |
Param: Module’s BLE MAC address (12 Bytes ASCII) |
| Example | AT+LEADDR +LEADDR=DD0D30123456 OK |
Read Module’s BLE MAC address |
B2105 AT+NAME Read/Write BR/EDR Local Name
Write local name if parameter exists, 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) Param2: MAC address suffix (0/1, default:1) (0) Disable suffix (1) Enable suffix “-XXXX” (lower 4 bytes of MAC address) after the 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 |
B2106 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) Param2: MAC address suffix (0/1, default:1) (0) Disable suffix (1) Enable suffix “-XXXX” (lower 4 bytes of MAC address) after the local name |
| Example | AT+LENAME +LENAME=Feasycom-LE OK |
Read current BLE local name |
| Example |
AT+LENAME=ABC OK |
Change module’s BLE local name to “ABC” |
| Example |
AT+LENAME=ABC,1 OK |
Change module’s BLE local name to “ABC” and enable suffix |
B2107 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=1234 OK |
Change module’s pin code to “1234” | |
|
아래에 있는 AT+SSP 명령으로 PIN 코드와 관련된 Pairing 절차를 설정할 수 있다. |
||
B2108 AT+SSP Turn On/Off Secure Simple Pairing <need reboot>
Pin code input will be bypassed if the simple pairing is on in the pairing procedure
| Q) AT+SSP |
+SSP=Param OK |
|
| E) AT+SSP{=Param} |
Param: Simple pairing (0/1, default:1) (0) Turn Off (1) Turn On |
B2109 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) |
B2110 AT+COD Read/Clear Paired Record
Pin code input will be bypassed if the simple pairing is on in the pairing procedure
| Q) AT+COD |
+COD=Param OK |
|
| E) AT+COD{=Param} |
Param: Class of the device (6 bytes ASCII, default:240404 Handsfree device) |
B2111 AT+MODE Read/Write Run Mode
After the command is executed, the BT8XX switches to the new Run Mode.
| Q) AT+ MODE |
+SSP=Param OK |
|
| E) AT+ MODE{=Param} | Param: Run Mode (1~4, default:4) (1) SPP Mode(2) HID Mode (3) BLE Mode (4) SPP+BLE Mode |
| Example |
AT+MODE +MODE=4 OK |
Read current Run Mode |
| Example |
AT+MODE=2 OK |
Change module’s Run Mode to HID Mode |
B2112 AT+PLIST Read/Clear Paired Record
When 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, vice visa
| Q) AT+PLIST |
+PLIST= { +PLIST=Param1, Param2 +PLIST=} |
Param1: (1~8) Paired device’s index Param2: (MAC) Paired device’s MAC address |
| 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= { +PLIST=1,1C5CF226D773 +PLIST=2, A0BC30075421 |
Read module’s paired record |
| Example |
AT+PLIST=0 OK |
Clear module’s paired record |
B2113 AT+TPMODE Turn On/Off Throughput Mode <Need Reboot>
When SPP/HID/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(Default is 0) (0) Turn Off (1) Turn On |
| Example |
AT+TPMODE +TPMODE=1 OK |
Read current throughput mode |
| Example |
AT+TPMODE=0 OK |
Turn off throughput mode |
B2114 AT+LPM Turn On/Off Low Power Mode
This instruction is only applicable to BT816S module
| Q) AT+LPM | +LPM=Param | |
| E) AT+LPM{=Param} |
Param: Low Power MODE (0/1, Default: 0) (0) Turn Off (1) Turn On |
| Example | AT+LPM +LPM=0 OK |
Read current Low Power Mode |
| Example | AT+LPM=1 OK |
Turn on Low Power Mode |
B2115 AT+FLOWCTL Turn On/Off Hardware Flow Control <need reboot>
| Q) AT+FLOWCTL | +FLOWCTL=Param | |
| E) AT+FLOWCTL{=Param} |
Param: Hardware Flow Control (0/1, default: 1) (0) Turn Off (1) Turn On |
B2116 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 and +MODE=1/+MODE=2
| Q) AT+AUTOCONN | +AUTOCONN=Param | |
| E) AT+AUTOCONN{=Param} |
Param: Option (0~15, default:1) (0) Turn Off (1-15) Turn on and reconnect times |
B2117 AT+DSCA Release All Connections
Module release all Bluetooth connections with remote device
| E) AT+ DSCA |
B2118 AT+REBOOT Soft Reboot
Module release all Bluetooth connections with the remote device then reboot
| E) AT+REBOOT |
B2119 AT+RESTORE Restore Factory Settings
Module restore all factory settings then reboot
| E) AT+RESTORE |
B2120 AT+SCAN Scan Nearby Devices
Refer to the “Indication Table” page for a format description of scan results.
| Q) AT+SCAN | ||
| E) AT+SCAN =Param1{, Param2{, Param3}} |
Param1:(0 ~2) (0) Stop scan Param2:(1~48) Scan period. unit:1.28s, default:12.8s |
| Example |
AT+SCAN=1 OK +SCAN={ +SCAN=1,2,DC0D30000F7D,-21,14,FSC-BT955-0F7D +SCAN=2,2,AC8995D9D1C4,-66,19,BeoSound 1_27168461 +SCAN=}
Scan 중에 AT+SCAN=0으로 Scan을 멈출 수 있다.
|
Read module’s pin code |
B2121 AT+PIOCFG PIO Function Configuration
Disconnect all devices connected and put module enter unconnectable and undiscoverable state.
Always effective even reboot
| E) AT+ PIOCFG{=Param1,Param2} | +PIOCFG=Param1,Param2 |
Param1 0: Disable Command/Transmission mode switch function Param2 1: Enable Bluetooth disconnect function
|
WiFi IoT Module
Bluetooth Module
5G/LTE/CAT-M1/NB-IoT
