>> results = readerHandler.controlMsg(64, msg_str, data, timeout=1000)
> The correct prototype for the method controlMsg is
> controlMsg(requestType, request, buffer, value = 0, index = 0, timeout
> = 100),
> thus you should at least supply the requestType and request
> parameters, which is not happening here. Notice that request value is
> a value meaningful only to your request, but requestType is bit field
> value with format specified in the USB spec.
Moreover, the data do not seem to match the initial example
>> msg_str = "020200013803"
would likely be
msg_str = binascii.unhexlify("020200013803")
Cheers,
Manu
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