HF-BL200A Low Energy Bluetooh
（
BLE 4.1
）
Module User Manual
Shanghai High Flying Electronics Technology Co., Ltd www.hi-flying.com
- 28
-
4.3.8.
Get MAC Address
Function
：
Get Bluetooth MAC
Command
：
"
AT:MAC?
"+<CR><LF>
APP Command do not need <CR><LF>
Feedback:
"
AT:MAC-
"+MAC+<CR><LF>
MAC: 12 character can represent 6 byte data, each 2 character represent the four bit in high
order and the four bit in low order of one byte.
e.g.
：
“123456789012”->0x12,0x34,0x56,0x78,0x90,0x12, character can only be ’0’~’9’,’A’~’F’
APP Command do not need <CR><LF>
4.3.9.
Query Software Version
function
：
Query device current software version
Effective time
：
immediately
Command
：
"
AT:VER
？
"+<CR><LF>
APP Command do not need <CR><LF>
Feedback
：
"
AT:VER-
"+<CR><LF> means query success
APP Command do not need <CR><LF>
Version: character string, e.g. "100-CU-V*.*"
"
AT:ERP\r\n
" means invalid command, query failed
APP Command do not need "
\r\n
"
4.3.10.
Set Transmit Power
Function
：
modify device transmit power, broadcast power and connect power
Effective time
：
immediately
Command
