RAK411 PROGRAMMING MANUAL
V1.7
COPYRIGHT ©
SHENZHEN RAKWIRELESS TECHNOLOGY CO., LTD
ETDX1603021415
8
3.4.4 Write Data
Description:
1.The Host end loop sends the Head CMD to the module, and the sending
process requires a query if there is received ACK (0x85) .
2.If received CMD then stop the current Head ACK send.
3.Send the current command command code and the parameters of the data,
detailed reference 4 “command Daquan”.
CMD Head：
1.CMD fill in the command code to send, such as scanning the wireless network
command to fill in 0xA3, obtain the software version number command to fill
in 0xBE.
2.0x97 fixed.
3.Length should fill in the corresponding
command parameter length, len
calculation method is sum of the command parameters in bytes, for example,
scanning
wireless
network
command
to
"CMD"
+
"channel"
+
"SSID"
=4+4+32=40, access to software version number command CMD = 4. Detailed
