The host uses this command to prompt the device for a response that contains the same payload it sent.
1
Sequence of events
The host constructs the command request for Echo - Command 0xDF01 in the format below, populating any of the available parameters with any data. The total length of data to be echoed across all parameters must not exceed 128 bytes.
The host sends the command request to the device.
The device sends a command response in the format below to the host, echoing back the exact parameters the host sent in the command request.
Tag
Len
Value / Description
Typ
Req
Default
Tag
Len
Value / Description
Typ
Req
Default
DF01 = Echo - Command 0xDF01
81
var
Data to be echoed
B
O
82
var
Data to be echoed
B
O
End of any wrappers, at minimum including Request Message
DF01 = Echo - Command 0xDF01
81
var
Data being echoed
B
O
82
var
Data being echoed
B
O
End of any wrappers, at minimum including Response Message
Beginning of any wrappers, at minimum including Request Message
Beginning of any wrappers, at minimum including Response Message