Re: [Bluez-devel] SCO over UART

[Brad Midgley <bmidgley@xmission.com>]

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