The enum is probably from a different datasheet, possibly an earlier
hardware version?
A USB control message has an 8 byte setup packet with format
byte requesttype,
byte request,
word value,
word index,
word length,
.. remainder of packet, if any, follows
The value shown in
Hello,
I am trying to understand the GL640USB IEEE-1284 to USB Bridge. I have
looked at a few implementations of this bridge. Each time the
following registers are used (this code is from the canon630u
backend):
/* Register codes for the bridge. These are NOT the registers for the
scanner
