The current WDK contains source for a KMDF serial driver. It would have
to be modified to support your hardware and you will have to deal with
the multiport issue. If your hardware implements multiports in an easily
partitionable fashion, you can use mf.sys as the bus driver for your
devices and your serial driver as the function driver for the serial
port pdos enumerated by mf.sys. See multifunction devices in the WDK
documentation and search this list for more hints.
-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of Comber Angus
Sent: Monday, October 15, 2007 1:02 PM
To: Windows System Software Devs Interest List
Subject: RE: [ntdev] Getting serial port driver which worked on NT4 to
wor k on XP
The standard serial driver from Microsoft does not work with the device
unfortunately. Can we just create an inf file? Or will we have to
support
plug and play as suggested? If so any pointers as to how to get
started?
-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of Roddy, Mark
Sent: 15 October 2007 16:27
To: Windows System Software Devs Interest List
Subject: RE: [ntdev] Getting serial port driver which worked on NT4 to
work
on XP
Do the standard XP serial drivers not work for your hardware?
If you really need to replace the inbox drivers then you need to write a
PnP driver for your hardware. You should consider using KMDF. You should
also evaluate if you need a hardware driver at all. (See the question
above.)
-----Original Message-----
From: xxxxx@lists.osr.com
[mailto:xxxxx@lists.osr.com] On Behalf Of
xxxxx@cubic.com
Sent: Monday, October 15, 2007 11:15 AM
To: Windows System Software Devs Interest List
Subject: [ntdev] Getting serial port driver which worked on NT4 to work
on XP
Hello
I am looking at the code for a multidrop driver we developed for NT4
(not me). It was compiled using ntddk.h. It works fine for NT4 but we
are struggling to get it to work on XP.
On our embedded systems running embedded XP, COM ports 3 to 6 are
multidrop devices. But in XP Device Manager the drivers associated with
these ports are the standard Windows drivers - serial.sys and
serenum.sys. If I try to change the driver I am prompted for an inf
file which we don’t have. Can I just create an inf file and still use
the NT4 created multidrop.sys file?
How do I go about creating the inf file? any resources?
Or are we going to have to re-write the driver for XP?
Angus
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