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7
6
5
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
4
3
Serial port check digit
REG0
0
0
8N1(Default)
0
1
8O1
1
0
8E1
1
1
8N1 (equivalent to 00)
2
1
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
7
6
Subcontracting settings
0
0
240byte(Default)
0
1
128byte
1
0
64byte
1
1
32byte
5 RSSI Environmental noise enable
REG1
0 Disabled (default)
1 Enable
UART Serial port rate (bps)
Serial port baud rate1200
Serial port baud rate2400
Serial port baud rate4800
Serial port baud rate9600
(Default)
Serial port baud rate19200
Serial port baud rate38400
Serial port baud rate57600
Serial port baud rate115200
Wireless air rate (bps)
Air speed0.3k
Air speed1.2k
Air speed2.4k(Default)
Air speed4.8k
Air speed9.6k
Air speed19.2k
Air speed38.4k
Air speed62.5k
E96-DTU(400SL30-485) User Manual
For two radios that communicate with
each other, the serial port baud rate can
be different, and the verification method
can also be different;
When continuously transmitting large
data packets, users need to consider the
data congestion caused by the same baud
rate, and may even be lost;
It is generally recommended that the
baud rate of the two communication
parties be the same.
The serial port mode of the two
communication parties can be different;
The air rate of both parties must be the
same
The higher the air rate, the smaller the
delay and the shorter the transmission
distance.
The data sent by the user is less than the
sub-packet length, and the serial port
output of the receiving end appears as an
uninterrupted continuous output;
If the data sent by the user is larger than
the packet length, the serial port of the
receiving end will output in packets.
After enabling, you can send commands
C0 C1 C2 C3 in transmission mode or
WOR sending mode to read registers;
Register 0x00: Current environmental
noise RSSI;
Register 0X01: RSSI when receiving
data last time
(The current channel noise is: dBm
=-RSSI/2);
Instruction format: C0 C1 C2 C3 + start
address + read length;
Return: C1 + address address + read
length + read valid value; for example:
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