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RAK475 Instruction manual
at+nvm_write=1,4,ABCD\ r\n----------
Write the data “ABCD” to the unit with the
initial address of 1.
Instruction for returned value
Parameter
Format
Length(byte)
Instruction
The command is successfully carried out
OK
ASCII
2
Open successfully
\r\n
ASCII
2
End character
The command is unsuccessfully carried out
ERROR
ASCII
5
ERROR
<CODE>
HEX
1
0XFE =-2
Data write failed
\r\n
ASCII
2
End character
Remark
4.9.2
Read NVM data
Command
at+nvm_read=<addr>,<len>\r\n
Description
Read the data that the NVM indicates the address.
Parameter instruction
Parameter
Parameter value
Instruction
<addr>
0-(163840-1)
Read the initial address of data.
