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Message from discussion WiFi & Bluetooth Drivers
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venu  
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 More options Sep 16 2009, 5:06 am
From: venu <vjosy...@gmail.com>
Date: Wed, 16 Sep 2009 14:36:01 +0530
Local: Wed, Sep 16 2009 5:06 am
Subject: Re: [android-porting] Re: WiFi & Bluetooth Drivers
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Hi Rajesh,

Bluetooth is not exactly usb/serial driver. It depends on kind of bluetooth
support you have. If it is an usb (which usually is the case) then it is usb
driver , but it is an in built module, then it is dependent what interface
the module uses. It can be serial interface or spi or any other.

The reason you dont see the Wifi or bluetooth activity because for bluetooth
bluez stack is used which is part of Linux kernel and anriod uses
2.6.24.xxxx kernel version i believe i might be wrong. Bluetooth is handled
part of bluez stack (i.e. as far as bluetooth driver/stack is concerned).

So  you check bluez for further information.

Cheers,
Venu

On Wed, Sep 16, 2009 at 2:07 PM, Rajesh N <rajesh.andr...@gmail.com> wrote:
> Pavan,

>  Yes, I agree with your statement.
>  But I don't see any WiFi or BT doesn't work with android ! , The same
> driver works with linux based UI not with android UI  !

>  Can u name few issues which comes when integrating Android UI with linux
> device drivers?

>  Best Regards,
>  Rajesh

> On Wed, Sep 16, 2009 at 1:56 PM, pavan savoy <pavan.sa...@gmail.com>wrote:

>> Rajesh,

>> Isn't BT driver eventually a USB/serial driver ? and Wifi eventually a
>> SPI/mmc driver ?
>> So all that logic of power management still applies, However there
>> would be some specific chip specific power management options, which
>> is very specific to the BT/Wifi chip you use and modify your drivers
>> accordingly.

>> regards,
>> Pavan

>> On Wed, Sep 16, 2009 at 12:59 PM, Rajesh N <rajesh.andr...@gmail.com>
>> wrote:
>> > Hi All,

>> >   I have seen most of WiFi and BT drivers are not directly portable on
>> > android platform, Is it due to the fact android platform restricts the
>> way
>> > of communication mechanism? I went through a video presentation from
>> google
>> > android in youtube.com which was on power management on android ,
>> where the
>> > presenter emphasis on the fact how the software has to be written for
>> better
>> > power management!

>> >  But I don't see any problem with rest of the device drivers which are
>> > present on android , like serial port , SPI, I2C etc, does it mean such
>> > modification for drivers are necessary for WiFI and BT drivers of
>> devices?

>> > --
>> > Best Regards,
>> > Rajesh N

>> --
>> --Pavan Savoy

> --
> Best Regards,
> Rajesh N

--
- J. Venumadhav

 
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