Chengdu Ebyte Electronic Technology Co.,Ltd
E104-BT53C3 Manual User
Copyright ©2012–2020
，Chengdu Ebyte Electronic Technology Co.,Ltd
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broadcast can be listened to, this is because the observer itself switches channels at the
end of each scan interval, the device does not receive any broadcast, and also depends on
the number of surrounding devices and signal strength (RSSI);
This command supports only the primary role (single master, master slave).
If the Primary Role Scan function is being used, this command stops the primary role scan
function.
After this function is enabled, scan and print information about peripheral secondary
devices. If you need to stop sending "AT+OBSERVER=0", you can do so.
Enable Scan extended broadcast observer. Primary PHY indicates the primary physical layer,
Secondary PHY indicates the secondary physical layer, and SID indicates the authentication
ID.
The APP configuration completion setting function is not supported. The APP configuration
completion setting function is not supported.
Example
Query the observer enablement status
Instruction: AT+OBSERVER?
Return: +OK=0
The common observer function was enabled
Instruction: AT+OBSERVER=1
Return: +OK
MAC:C1:01:02:03:04:05,
RSSI:-50,
ADV/RSP:
0E095246737461725F3434353536370EFF524601C00340FF000098256926
6.3.18 Automatic reconnection
Command
Reply
Inquire
AT+AUTO_CNT?
+ AUTO_CNT =[para1],[para2]
Setting
AT+ AUTO_CNT =[para1], <para2>
+OK：success
+ERR=[NUM]：Error
Parameters
Para1:0: disables automatic reconnection, 1: enables automatic reconnection.
Para2(Optional): Adds device MAC to the auto reconnection list. If this parameter is set,
auto reconnection is disabled or enabled based on the value set in parameter 1. Other devices
in the auto reconnection list are not affected by this command. The default value is NULL.
Description
Restart takes effect, power failure save;
The slave device disconnected by using the "AT+DISCON" command will not be automatically
reconnected this time. The automatic reconnection function can be restored under the
following conditions:
Use the command again to connect the slave device
Restart module
Disable BLE and then enable BLE (use the command "AT+SLEEP=,0" to disable BLE, then use the
command "AT+SLEEP=,1" to enable BLE)
After the BLE function is disabled with the command "AT+SLEEP=, 0", the module will not
