HF-BL200A Low Energy Bluetooh
（
BLE 4.1
）
Module User Manual
Shanghai High Flying Electronics Technology Co., Ltd www.hi-flying.com
- 35
-
Feedback
：
"
AT:OK\r\n
" means command received and executed
"
AT:CNN-
"+<CR><LF> means command received, but not executed because status
incorrect
Status: each character indicate a status
‘0’-> CYBLE_CNN_INITIALIZING
‘1’-> CYBLE_CNN_ADVERTISING
‘2’-> CYBLE_CNN_CONNECTED
‘3’-> CYBLE_CNN_DISCONNECTED
‘4’-> CYBLE_CNN_STOPPED
‘5’-> CYBLE_CNN_CONNECTING
"
AT:ERP\r\n
" means invalid command, change failed
4.3.22.
Set Device Verify Code
Function
：
change device verify code,
all “0” means no verify code
Effective time
：
effective in next Bluetooth connection
Command
：
"
AT:PID-
"+ Data+<CR><LF>
APP command no need <CR><LF>
Data:4 character means 1 hexadecimal data
，
’0’~’9’,’A’~’F’ means 0~9
，
A~F
（
“12AD”->
hexadecimal 0x12AD
）
Feedback
：
"
AT:OK\r\n
" means command successfully received.
"
AT:WRONG\r\n
" means invalid parameter, change failed
"
AT:ERP\r\n
" means invalid command, change failed
APP command no need "
\r\n
"
4.3.23.
Query Device Verify Code
Function
：
query device verify code parameter
，
all
’0’ means no verify code
Effective time
：
immediately
