User's Manual

Customer
SEWOO
Date
2014.12.04
Document
BnCOM Bluetooth SPP Module UART Protocol
Doc. Ver
1.0.0
8/19
8
BnCOM Confidential Proprietary
1.1. Protocol Basic Rule
 HOST and BT transfer is base from UART(serial port) interface.
 UART(serial port) default setting value
 Baud rate : 230400bps
 Data bit : 8
 Parity bit : none
 Stop bit : 1
 Communication direction
 REQUEST (HOST
→BT): From HOST to BT
 NOTIFY(BT
→ HOST) : From BT to HOST. Notify BT Status
RESPONSE(BT
→ HOST) : From BT to HOST.
 Communication rule
 Almost Protocol is combind to ascii. Also It is notify end of command packet attach
carriage return(0x0D,⤶)

Ex) REQUEST – Recently Connected Device : AT+CONNECT
Command AT+CONNECT
Command set A T + C O N N E C T
⤶
Ascii set
0x41 0x54 0x2B 0x43 0x4F 0x4E 0x4E 0x45 0x43 0x54 0x0D
Ex) NOTIFY – iAP Support / BT Initial mode : +StartL
Command
command set + S t a r t L
⤶
ascii set 0x2B 0x53 0x54 0x41 0x52 0x54 0x4C 0x0D
Ex) RESPONSE – REQUEST fail : +ERROR<1>
Command +ERROR<1>
command set + E R R O R < 1 >
⤶
ascii set 0x2B 0x45 0x52 0x52 0x4F 0x52 0x3C 0x31 0x3E 0x0D