RAK411 PROGRAMMING MANUAL
V1.7
COPYRIGHT ©
SHENZHEN RAKWIRELESS TECHNOLOGY CO., LTD
ETDX1603021415
7
3.4.3 Read 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 2 bytes Dummy for receiving len, the high byte in the front.
4.After the value of the len, the Dummy bytes of len are sent to receive the
following data.
CMD Head：
1.CMD fill in the read status command (0xA2).
2.0x97 fixed.
3.Length should fill in 0 because the current command does not include any
parameters.
