Prev: keyboard filter driver
Next: Programming style...
From: Thomas F. Divine [DDK MVP] on 3 Jun 2005 14:13

"Arsalan Ahmad" <arsal__(a)hotmail.com> wrote in message
news:egvBYRGaFHA.796(a)TK2MSFTNGP10.phx.gbl...
> But what I have noted is that I have to wait 3 to 5 sec using Sleep()
> before calling OID_...SCAN and OID_..._LIST otherwise i dont get the
> updated list.
>
Have you read the MSDN topic "Scanning 802.11 Networks". It describes the
timing between starting a list scan and fetching the list. See:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/network/hh/network/213_802.11_bb61b6ee-e9ab-4f03-aee3-c932fe2ea2a9.xml.asp

(Beware of wrap...)

Good luck,

Thomas F. Divine, Windows DDK MVP
http://www.rawether.net

From: Arsalan Ahmad on 3 Jun 2005 14:16
sorry..what i wanted to say is what I have noted is that I have to wait 3 to
5 sec using Sleep() between
calling OID_...SCAN and OID_..._LIST otherwise i dont get the updated list
i.e.

Call OID_...LIST_SCAN

Wait for 3 or 5 sec

Call OID_LIST



"Arsalan Ahmad" <arsal__(a)hotmail.com> wrote in message
news:egvBYRGaFHA.796(a)TK2MSFTNGP10.phx.gbl...
> But what I have noted is that I have to wait 3 to 5 sec using Sleep()
> before calling OID_...SCAN and OID_..._LIST otherwise i dont get the
> updated list.
>
> "Wojciech F." <"vankaszaner[REMOVE_IT]"@tlen.pl> wrote in message
> news:4t4am2hkiwo2.dlg(a)tofik.homeip.net...
>> Tue, 31 May 2005 22:09:29 +0300,
>> microsoft.public.development.device.drivers, Pavel A.:
>>
>>> "Wojciech F." <"vankaszaner[REMOVE_IT]"@tlen.pl> wrote in message
>>> news:1e9nxskr0q8le$.dlg(a)tofik.homeip.net...
>>>> Yes. I wrote already that I don't know how to SET that oid. But I
>>>> wonder
>>>> how does it make NDISUIO service.
>>>
>>> NDISUIO (or clones of DDK Ndisprot sample ) is a real NDIS transport
>>> driver, so the full set of NDIS intefaces is available to
>>> it.
>>>
>>>> It seems to support a lots of w-lan cards
>>>> (i tested it with 5 different cards). I can't belive that it uses a
>>>> magic
>>>> parameters specific for each card's manufacturer.
>>>
>>> It is an universal vehicle to send any NDIS request to 3rd party netcard
>>> drivers.
>>> It has nothing specific to wi-fi. Just study the ndisprot sample.
>>> (if you work on WinCE OS, there it is different. I'm talking about NT
>>> based Windows).
>>>
>>>> When I use NDISUIO and I set OID..._SCAN it seems to do real scan,
>>>> because
>>>> I need to wait a little bit longer until DeviceIoControl funcion
>>>> returns.
>>>> It is clearly noticeable on PocketPC. Sometimes it takes 2s until
>>>> function
>>>> returns and after reading the list through the oid.._list it always
>>>> differs
>>>> (new accespoints, rssi).
>>>
>>> Depends on the netcard driver. Scan can and should run asynchronously.
>>> Holding the caller for 2 seconds is bad.
>>>
>>> Regards,
>>> --PA
>>
>> thanks for discussion, friend.
>>
>>
>> --
>> Thanks,
>> Wojtek
>>
>> E-mail hint: add [usenet] to the subject
>> "Ipsa scientia potestas est."
>
>


First  |  Prev  | 
Pages: 1 2 3
Prev: keyboard filter driver
Next: Programming style...