Chengdu Ebyte Electronic Technology Co.,Ltd
E104-BT53C3 Manual User
Copyright ©2012–2020
，Chengdu Ebyte Electronic Technology Co.,Ltd
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Setting
AT+ TRM_HANDLE =[para]
+OK：Success
+ERR=[NUM]：Error
Parameters
The value ranges from 1 to 8
Description
Takes effect immediately. Power failure is not saved
Only the primary role (single primary role, master/slave role) supports this command
A maximum of eight values exist. That is, a module is connected to eight devices, and each
handle corresponds to a device.
If the handle corresponding to the entered parameter does not exist, error code 4 is returned.
Example
Querying the current data transparent handle(without any connection)
Instruction: AT+TRM_HANDLE?
Return: +OK=NULL
Set a device with a handle of 1 to transmit data (use the AT+CONNECT_LIST command to get
the handle value of the device to be transparently transmitted)
Command: AT+TRM_HANDLE=1
Return: +OK
6.3.21 Observer function
Command
Reply
Inquire
AT+OBSERVER?
+ OBSERVER =[para1],[para2], [para3], [para4],
[para5],[para6]
Setting
AT+ OBSERVER
=[para1],<para2>,<para3>,
<para4>,<para5>, <para6>
+OK：success
+ERR=[NUM]：error
Parameters
para1:
0: disable (default).
1: Open ordinary observer;
2: Enable scan extension broadcast observer.
para2: indicates the filtering policy
bit 0: indicates the MAC address
bit 1: indicates the broadcast name
bit 2: indicates the RSSI value
bit 3: indicates the vendor ID
bit 4 to 7: Reserved
para3: indicates a 6-byte MAC address
para4: indicates the broadcast name
para5: Values less than RSSI are filtered
para6: indicates the 2-byte vendor ID
description
Take effect immediately, power failure does not save;
To enable the extended broadcast observer mode, you must set the host scanning physical layer
to LE CODED PHY by running AT+SCAN_PHY. Otherwise, the command only rOK but will
not start.
In observer mode, the surrounding broadcast from the device is listened to, but not every
