RF-Star EFR32BG22, Manual

Page: 42 / 94

EFR32BG22
www.szrfstar.com V1.6 - Jun., 2022
Shenzhen RF-star Technology Co., Ltd.
Page 41 of 93
Return Value OK
Remark
Set the Company ID to 4546.
Set Major to 0102.
Set Minor to 0304.
Set the reference RSSI at 1 m to -50 dBm.
Set user-defined UUID data as 0102030405060708090A0B0C0D0EF010.
•
Scan as a Master
AT+SCAN=?
Function Query the parameter range of this command.
Example AT+SCAN=?
Return Value
AT+SCAN=[0,1],<1-65535>,<0,1>,<1-255>
OK
Remark
Parameter 1 : The current scan status, 0 means to stop scanning, 1 means scanning.
Parameter 2 : Scan timeout time in s.
Parameter 3 : Whether to enable the display name function, 1: enable, 0: disable (1 is by default)
Only effective in master mode and master-slave mode.
Parameter 4 : It means the time interval of scanning the reconnection device list after enabling the
reconnection function. Modifying this parameter can increase the speed of automatic reconnection.
In s, 3 seconds is by default.
AT+SCAN?
Function Query the scan status and timeout time settings.
Example AT+SCAN?
Return Value
AT+SCAN=0,10,1,3
OK
Remark
Parameter 1 : 0 means the current device stops scanning.
Parameter 2 : The current scan timeout time is 10 s.
Parameter 3 : 1 means display device name.
Parameter 4 : The time interval of scanning the reconnection device list is 3 seconds. (This
parameter is only effective when the automatic reconnection function is enabled.)
AT+SCAN=
Function Regularly scan the surrounding slave devices.