BCCMDs

BCCMDs

[David Thornton]

Hi,

(sorry, i posted to Marcel - then joined the mailing list so it looked 
like i posted to him directly sorry!)

Well any way: i was wondering if someone could show me a quick bluecore 
comand demo - like a warm reset or something
(in a C array, and if you could heavily commented :)

Anything you have to teach me about bccmds would be appreciated!

Thanks

Re: BCCMDs

[David Thornton]

Hi,

Also (and this was my main problem) how do you dissect bccmd responses - 
lol i know 0x04 then 0xff then im stumped!

(do bccmds generate COMMAND_STATUS (0x0f) HCI responses ? )

thanks again!

David Thornton wrote:
> Hi,
>
> (sorry, i posted to Marcel - then joined the mailing list so it looked 
> like i posted to him directly sorry!)
>
> Well any way: i was wondering if someone could show me a quick 
> bluecore comand demo - like a warm reset or something
> (in a C array, and if you could heavily commented :)
>
> Anything you have to teach me about bccmds would be appreciated!
>
> Thanks
> -- 
> To unsubscribe from this list: send the line "unsubscribe 
> linux-bluetooth" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>

Re: BCCMDs

[Marcel Holtmann]

Hi David,

> (sorry, i posted to Marcel - then joined the mailing list so it looked 
> like i posted to him directly sorry!)
> 
> Well any way: i was wondering if someone could show me a quick bluecore 
> comand demo - like a warm reset or something
> (in a C array, and if you could heavily commented :)
> 
> Anything you have to teach me about bccmds would be appreciated!

the bccmd tool comes with full source code and it contains an example to
warm reset a device. Same as the bdaddr tool. So what else do you need.

Regards

Marcel

bccmds

[David Thornton]

Thanks,

I looked at bccmd.c in /tools right after you posted - and hence solved 
my problem.

I am, though, getting a strange error after sending an HCI inquiry command.

here are the first 15 lines of each response:

thingo: 0x04
thingo: 0x0f
thingo: 0x04
thingo: 0x00
thingo: 0x01
thingo: 0x00
thingo: 0x00
thingo: 0x00
thingo: 0x00
thingo: 0x00

that packet is normal - command status event

thingo: 0x04
thingo: 0x10
thingo: 0x01
thingo: 0x35
thingo: 0x01
thingo: 0x00
thingo: 0x00
thingo: 0x00
thingo: 0x00
thingo: 0x00

hardware error - but i cannot tell what the error code means (yes i will 
check Core Spec 2.0 now :) )

thingo: 0x04
thingo: 0xff
thingo: 0x1f
thingo: 0xc3
thingo: 0x02
thingo: 0x00
thingo: 0x0f
thingo: 0x00
thingo: 0x20
thingo: 0xa7

this packet looks like a CSR manufaturer specific response (0xff) what 
does that mean?

even stranger is when run again and every subsequent time before a 
reboot (of bluecore) it  works and gives back the correct amount of 
hosts found!!!

Is it to do with some kind of baud error? Bluecore can adapt to 
different baud rates just by looking at the data sent over time - but i 
want to know what effect this - moreover what it mucks up.

thanks and sorry for the long email

Re: bccmds

[Marcel Holtmann]

Hi David,

> I looked at bccmd.c in /tools right after you posted - and hence solved 
> my problem.
> 
> I am, though, getting a strange error after sending an HCI inquiry command.
> 
> here are the first 15 lines of each response:
> 
> thingo: 0x04
> thingo: 0x0f
> thingo: 0x04
> thingo: 0x00
> thingo: 0x01
> thingo: 0x00
> thingo: 0x00
> thingo: 0x00
> thingo: 0x00
> thingo: 0x00
> 
> that packet is normal - command status event
> 
> thingo: 0x04
> thingo: 0x10
> thingo: 0x01
> thingo: 0x35
> thingo: 0x01
> thingo: 0x00
> thingo: 0x00
> thingo: 0x00
> thingo: 0x00
> thingo: 0x00
> 
> hardware error - but i cannot tell what the error code means (yes i will 
> check Core Spec 2.0 now :) )
> 
> thingo: 0x04
> thingo: 0xff
> thingo: 0x1f
> thingo: 0xc3
> thingo: 0x02
> thingo: 0x00
> thingo: 0x0f
> thingo: 0x00
> thingo: 0x20
> thingo: 0xa7
> 
> this packet looks like a CSR manufaturer specific response (0xff) what 
> does that mean?
> 
> even stranger is when run again and every subsequent time before a 
> reboot (of bluecore) it  works and gives back the correct amount of 
> hosts found!!!
> 
> Is it to do with some kind of baud error? Bluecore can adapt to 
> different baud rates just by looking at the data sent over time - but i 
> want to know what effect this - moreover what it mucks up.

you can use "hcidump -X -V -m 10" to have it decode CSR vendor commands
and events. It has support for decoding BCCMDs.

Regards

Marcel