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RAK477 Instruction Manual
OK\r\n HEX=4F 4B 0D 0A-------------------------------- No parameter
OK@\r\n HEX=4F 4B 64 0D 0A---------------------------- parameter =0x64
2. If the command is unsuccessfully carried out, then the returned values shall be:
ERROR<code>
Note:
Wherein, ERROR is ASCII code, <code> is hexadecimal system code
ERROR ?\r\n HEX=45 52 52 4F 52 FE 0D 0A----------------<code>=0XFE
AT command format instruction: AT command begins with "at+" (all are
lowercase), and ends with "\r\n", the maximum command length of 80 bytes,
and the beginning of any other formats are wrong orders.
The above AT command formats are not applicable to send and receive data
commands of at+recv_data and at+send_data, for detailed instructions,
please refer to at+recv_data, Instruction part of the at+send_data command.
Error CODE
4.4
Enter into aided commands
Under the transparent transmission mode, open the aided command window, use
the methods similar to shaking hands.
1. The host computer (host MCU) send "+ + +", request to enter the command
mode.
Code
Instruction
-1
Parameter input error (parameters are unable to identify / missing
parameters / too long command / other illegal parameters
-12
Unknown errors (memories, system and the like)
Others
For details see specific commands