Drivers match per interface, not per pipe. So, you will need to look
at both interface drivers and what they do and then synthesize a new
one that deals with both kinds of pipes.
--
Fernando Urbina
USB Technology Team
Apple Computer, Inc.
On Oct 10, 2005, at 10:11 AM, Alec Carlson wrote:
I am modifying the AppleUSBCDCDriver-302.2.1 driver in order to
support some
custom USB serial devices. I am actually only using the AppleUSBCDC
and
AppleUSBCDCACM drivers and have deleted the AppleUSBCDCECM and
AppleUSBCDCWMC support. My modified drivers work fine for USB
devices which
have valid interfaces - namely an interface for Comm-Control and
another
interface for Comm-Data. However, some USB devices I have only have 1
interface and that interface contains both the kUSBInterrupt
endpoint (for
control) and the Bulk-Input and Bulk-output endpoints (for data).
For these
devices I have a problem. How can I get both drivers loaded since I
have
separate interface drivers where Comm-Control is in one driver and
Comm-Data
is in the other driver but my USB device only has a single Data
interface ?
Interface matching doesn't work since only one of the drivers will get
loaded and I need both of them loaded in order for the serial
stream to
work. Suggestions ?
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