WCN3660/3680

[Eugene Krasnikov]

> Really a tough architecture to understand, how WCSS , WCN and MSM communicate with each other.
Agree, i do not understand it completely myself .


> Please share any documents specific to WCN.
Sorry but wiki and source code is the only documentation i am aware of.


2014-08-30 16:58 GMT+01:00 Karunakar Reddy <karan.tillu at gmail.com>:
> Thanks for your valuable info.
>
> So you mean to say, Wireless connectivity subsystem  might be running some
> code which is loaded on initialization. Really a tough architecture to
> understand, how WCSS , WCN and MSM communicate with each other.  Please
> share any documents specific to WCN.
>
>
>
> On Sat, Aug 30, 2014 at 2:58 PM, Eugene Krasnikov <k.eugene.e at gmail.com>
> wrote:
>>
>> 1) both wcn3660 and wcn3680 have firmware.
>>
>> 2) I guess there is always something like bootloader that will load
>> firmware and then will start executing it.
>>
>> 3) Definitely own processor. WCN36XX shares memory with host. Not sure
>> about ROM.
>>
>> 2014-08-28 5:19 GMT+01:00 Karunakar Reddy <karan.tillu at gmail.com>:
>> > Hi Eugene,
>> >
>> > We are doing a Sniffer/Injector feasibility on WCN3680 .There were few
>> > unknown things here. Please answer the below queries:
>> >
>> > 1) From the information I had, it seems like WCN3680  doesn't have any
>> > firmware unlike the prior WCN 3660. Here WCNSS_qcom_wlan_nv.bin contains
>> > only rate-to-power and general configuration parameters. Is that true?
>> >
>> > 2) Prior to WCNSS_qcom_wlan_nv.bin download (which seems to be first
>> > message
>> > sent to target), how the target is able to understand
>> > WCN36XX_HAL_DOWNLOAD_NV_REQ request. There are like around 190 commands
>> > defined which are used for Host-Target communication.  Does Wireless
>> > Connectivity SubSystem run any code from the flash?
>> >
>> > 3) Our host driver communicates with SMD driver. From my knowledge, SMD
>> > drivers are used for Inter-processor communication. Does the Wireless
>> > Connectivity SubSystem has its own processor, ROM and memory?
>> >
>> > Please help us.
>> >
>> > Thanks
>> > Karan
>>
>>
>>
>> --
>> Best regards,
>> Eugene
>
>



-- 
Best regards,
Eugene