>> It would be nice if there was a standard USB device type that  
>> presented like a bidirection stream of bytes to the application.


Doesn't USB sort-of want to know quite a lot of details about such  
"byte streams" ?
Total bandwidth, latency vs efficiency, etc, etc...

Serial certainly had its pains, but it seems like it will be a long  
time before we see the USB equivalent of a Basic Stamp, capable of  
sending info serially to N devices connected to any of its N I/O pins...

BillW


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