Chengdu Ebyte Electronic Technology Co., Ltd.
E22-xxxT22S series product user manual
Copyright©2012–2024
, Chengdu Ebyte Electronic Technology Co., Ltd.
25
LBT(listen before talk)
0: Close
1: Open
Erssi (environment RSSI)
0: Close
1: Open
Data_rssi (data RSSI)
0: Close
1: Open
Addr (module address)
Module address 0~65535 (decimal)
Channel (module channel)
Module channel 0~83 (decimal)
Netid (Network ID)
Module network 0~255 (decimal)
Key _
Module key 0~65535 (decimal)
Delay (WOR delayed sleep)
Delayed sleep 0~65535 (decimal)
Note 1: Modules with different powers have different settings. You can check the transmission power in Section 7.2
of the manual.
8.3 Notes for upgrading firmware via serial port
If the customer needs to upgrade the firmware, they need to find the corresponding BIN file provided by the
official, and then use the officially provided host computer to upgrade the firmware. Generally, when users do not
need to upgrade the firmware, please do not use the
"AT+IAP" command.
The pins necessary for the upgrade must be lead out (M1, M0, AUX, TXD, RXD, VCC, GND), and then send
the "AT+IAP" command in the configuration mode to enter the upgrade mode.
If you need to exit the IAP upgrade
mode, you need to keep Power on and wait 60 seconds, the program will automatically exit, otherwise it will enter
the upgrade mode indefinitely even if it is restarted.
After entering the upgrade mode, the baud rate will automatically switch to 115200 until it automatically exits,
during which there will be log output.
9. Repeater networking mode
No.
Repeater mode description
1
User need to set the repeater function in configuration mode. After setting, switch module to the normal mode. Then the repeater starts
working.
2
In the repeater mode, ADDH/ADDL is no longer used as the module address, it is used as a NETID to pair and forwarding. If the reperater
receive the data from a network, then it will forward the data to the other network.
The network ID of the repeater itself is invalid in this case. (See below examples)
3
The repeater module cannot transmit and receive data, and cannot perform low-power operation.
4
When module enters the other modes from mode 3 (sleep mode) or during the reset process, it will reset the user parameters. During this
period, AUX outputs low level.
Repeater networking rules:
1. Forwarding rules: the repeater can forward data in both directions between two NETIDs.
2. In repeater mode, ADDH\ADDL is no longer used as the module address. It is used as a NETID to pair and forwarding.
As shown in the figure
：
①
Primary repeater
“Node 1” NETID is 08.
“Node 2” NETID is 33.
