USB Composite Driver

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USB Composite Driver

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USB Composite Driver

Postby c2FyYXRoeQ » Sun, 14 Dec 2008 01:35:01 GMT 

I am having some doubts in Win CE 6.0 USB Composite client.

I have added two client drivers 1.mass storage client and 2. serial client 
for acitvesync, and I am mounting my nand flash file system(FAT) as Mass 
storage.

Both(Mass storage and Active Sync) are detecting in host side(PC), but i am 
facing the following problems:

1. In Mass Storage when i copied a file it is not immediately updating in 
the client side(WinCE Device) and when i disconnect the USB cable then also 
it is not showing that file, when i again connected the cable it is 
refreshing the window that time only it is showing that file, is it the 
problem in file system?(i am using wince FAT file system) or problem in 
composite driver?


2. Activesync is not automatically detecting, in device manager(PC side) 
when i disabled the device and enabled then only it is detecting. But in 
VISTA it is detecting automatically.what is the problem?
Top

Similar Threads:

1.[Question]How to develop WDM USB Composite Driver ? 

Hi~

I'm a primary wdm developer.

I'll develop Usb Composite Driver WDM.

But I don't know about USB Composite Driver.

I havn't sample code and how to develop Usb Composite Driver.

If does you know about this develop, let me know, plz~

Thank you ~ :-)

2.How to develop WDM USB Composite Driver ? 

On 10 Sep, 09:41, Zec < XXXX@XXXXX.COM > wrote:
> Hi~
>
> I'm a primary wdm developer.
>
> I'll develop Usb Composite Driver WDM.
>
> But I don't know about USB Composite Driver.
>
> I havn't sample code and how to develop Usb Composite Driver.
>
> If does you know about this develop, let me know, plz~
>
> Thank you ~ :-)

I think the toaster sample code has a bus driver in it.  (Its part of
the old DDK samples, 3790 has it)

3.Lower Filter Driver to USB Composite Driver in Windows XP 

Hi,

I have written a lower filter driver for the USB 
Composite Driver "usbccgp.sys".With the Driver Verifier 
Eenabled, when I plug in the Device I get an
IRP_MN_QUERY_CAPABILITIES that don't have enough stack 
locations.Hence passing this IRP down results in the
wonderful NO_MORE_IRP_STACK_LOCATIONS blue screen of 
death.

I do not get this problem when the Driver Verifier is 
disabled.

Does anybody know, why I am getting this "too small"
IRP_MN_QUERY_CAPABILITIES? And, is there a better way to 
handle such IRPs,so that DriverVerifier won't pop up 
anymore?. How to solve this problem

Regards
Ram

4.USB Composite Driver Question 

We have a USB Composite Device which supports USB Video Class,USB Audio Class and USB Mass Storage Class.This device is installed and works in Windows XP (latest patches applied).To enumerate it also has support for Interface Associate Descriptors.
Now I need to support this device in earlier OSs.We have a driver for Video Streaming and for Mass Storage and Audio, standard Windows drivers will be used.This device will not enumerate properly in earlier OSs,so I need to write a driver which will parse the IADs and expose them so that for video function our prior video streaming driver will be loaded and for other functions,standard Windows Drivers will be loaded.My question is what kind of driver will it be -a filter driver or a function driver and if a filter driver will it be a bus filter driver ?

5.USB Composite Driver 

I am  writing a USB Bus Driver When do I tell to the PNP Manager about my children ie my functions obtained from Interface Descriptors etc ..in a bus driver- I receive IRP_MN_QUERY_DEVICE_RELATIONS quer
at this moment should I create a URB and send this down to obtain descriptors ? but this URB has to be part of IRP_MJ_INTERNAL_DEVICE_CONTROL is'nt it
Any hints ?

6. USB Composite Driver - USB MFP

7. Lower Filter Driver to USB Composite Driver in Windows XP.

8. USB Composite driver and multiple interfaces

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