Re: [Bluez-devel] SCO over UART

[David Bannach <david.bannach@umit.at>]

brad,

this is the answer from infineon (after waiting a couple of weeks):

"ROK104001 has PD status (Product Discontinuation). Last order date is 
November 31, 2005.
For the Product Discontinuation please click 
http://www.infineon.convergy.de/upload/documents/2005/cPD_036_05.pdf
Infineon has no other BT with embedded flash.

ROK104001 do not support SCO-traffic via HCI feature.

Inquiry: We would like to transfer SCO-traffic via HCI. Is this possible 
with the ROK104 001?"



for testing i used the tools 'scotest' and 'hstest' to prevent running 
into trubles with btsco/alsa.

david


Brad Midgley wrote:

> David,
>
> It doesn't seem to help anything...
>
> # hcitool cmd 0x3f 0x001d 0x00
> < HCI Command: ogf 0x3f, ocf 0x001d, plen 1
>   00
> > HCI Event: 0x0e plen 4
>   07 1D FC 00
>
> but then I haven't been able to confirm that I've done all the right 
> things to get btsco to work on gumstix.
>
> This doesn't look right:
>
> btsco v0.4a
> Device is 0:0
> Voice setting: 0x0060
> RFCOMM channel 2 connected
> speaker volume: 0 mic volume: 0
> driver is in use
> Can't connect SCO audio channel
> : Device or resource busy
>
> where the "driver is in use" message first appears when trying to play 
> music to the audio device.
>
> Brad
>
> David Bannach wrote:
>
>> brad,
>>
>>> What is the ericsson command and how do you inject it into hci?
>>>
>>> Is the rok101008 similar in this respect to the rok104001? That's 
>>> what's on the gumstix.com board and I've been *very* interested in 
>>> getting sco working with this. I thought it couldn't be coaxed into 
>>> using hci.
>>
>>
>>
>> the command is "ericsson_set_sco_data_path". i found it in this 
>> document (only): 
>> http://www.vs.inf.ethz.ch/res/proj/smart-its/dl/ROK_101_007_revR1C-HCI_ericsson_specific.pdf 
>>
>>
>> i use hcitool for sending the command to the module, e.g. the 
>> following line will set the sco mapping to hci:
>>
>>    hcitool cmd 0x3f 0x001d 0x00
>>
>> the rok101008 and rok104001 seem very similar. at least the command 
>> above returns a positive response on both devices. i did not notice 
>> differences of these devices so far. actually i want to get sco 
>> running on the rok104001 which is built into a qbic (pxa based 
>> wearable) but it's easier to try things with an external module 
>> attached to a notebook.
>>
>> i'm still having the problem that bluez does not send any sco data to 
>> the module. i'm really curious about your results.
>>
>> david
>>
>>
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>
>
>
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-- 
David Bannach
University for Health Sciences, Medical Informatics and Technology
Institute for Computer Systems and Networks
Eduard Wallnöfer-Zentrum 1, 6060 Hall in Tirol, Austria
phone:  +43 (0)50 8648 3869
phone:  +43 (0)50 UMIT ETOY
web: http://csn.umit.at/ 



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September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices
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