Parani-SD100 User Manual – Appendix A. AT Commands
A-2
Terminology
Ì
AT Command
AT command set is the
HT
de facto standard
TH
HT
language
TH
for controlling
HT
modems
TH
. The AT command set was developed by
HT
Hayes
TH
and is recognized by virtually all
HT
personal computer
TH
modems. Parani-SD100 provides the extended AT command
set to control and configure the serial parameters and Bluetooth connection.
Ì
AT Response
Parani-SD100 replies to AT commands with 4 kinds of message, ‘OK’, ‘ERROR’, ‘CONNECT’ and ‘DISCONNECT’.
Ì
Operation Mode
y
Mode0: Waiting for AT commands
y
Mode1: Attempting to connect to the last connected Bluetooth device
y
Mode2: Waiting for the connection from the last connected Bluetooth device
y
Mode3: Waiting for the connection from any other Bluetooth devices
Ì
Operation Status
y
Standby: Waiting for AT commands
y
Pending: Executing tasks
y
Connect: Transmitting data
Ì
Security
y
Authentication: Pin code (or Pass key)
y
Encryption: Data encryption
Ì
Symbols
The symbols are used for the description of command syntax as follows:
Symbol Meaning
ASCII
Code
Carriage return
0x0D
Line feed
0x0A
Carriage Line feed
112233445566
Bluetooth device address
n or m
One digit decimal number
to Timeout
in
second
