Register Description - Ebyte E90-DTU User Manual

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2 Read the register
Set up the
3
temporary register
Wireless
4
configuration
5 format error
8.2

Register description

Read-
No. Name
write
Read /
00H ADDH
write
Read /
01H ADDL
write
Read /
02H NETID
write
03H Read / REG0
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Instructions: C1 + starting address + length
Response: C1 + starting address + length + parameter
Example 1: Read the access channel
Command start address length parameter
Send to: C1 05 01
Return: C1 05 01 09
Example 2: Read the module address, network address, serial port, and empty speed
simultaneously
Send to: C1 00 04
Return: C1 00 04 12 34 00 60
Instructions: C2 + starting address + length + parameter
Response: C1 + starting address + Length + parameter
Example 1: The configuration channel is 0x09
Command start address length parameter
Send to: C2 05 01 09
Return: C1 05 01 09
Example 2: simultaneously configure the module address (0x1234), network address
(0x00), serial port (9600 8N1), empty speed (2.4K)
Send to: C2 00 04 12 34 00 60
Return: C1 00 04 12 34 00 60
Instruction: CF CF + General instruction
Response: CF CF + conventional response
Example 1: The wireless configuration channel is 0x09
Wireless command header command starting address length parameter
Send to: CF CF C0 05 01 09
Return: CF CF C1 05 01 09
Example 2: wireless simultaneous configuration module address (0x1234), network
address (0x00), serial port (9600 8N1), and airspeed (2.4K)
Send to: CF CF C0 00 04 12 34 00 60
Return: CF CF C1 00 04 12 34 00 60
Format error response
FF FF FF / "=ERR "
Description
ADDH (default 0)
ADDL (default 0)
NETID (default 0)
7 6 5 UART Serial Rate (bps)
E90-DTU(900SL33) User Manual
Remarks
Module address of high and low bytes;
Note: When the module address is equal to
FFFF, it can be used as a broadcast and
listening address, that is, the module will not
filter the address
Network address, used to distinguish
networks;
When communicating with each other, set it
as the same.
The two modules of mutual communication,
18