[Bluez-users] simultaneous read/write on SCO channel

[Irakli Tsagareli <itsagareli@yandex.ru>]

Hi all,

I'm writing a small code to test HandsFree capabilities between my phone 
and PC. everything works fine for audio playback (on the PC, I can hear 
sound file played on the phone and in case of incoming call, I can hear 
a voice of remote subscriber) but when I try at the same time to send 
some audio data to the handset via same socket, send() function returns 
"Invalid argument" error. I tried to create new socket for writing (same 
way I created listening socket), creation succeeds, but connect fails 
with "Device or resource busy". can anybody be so kind and explain, how 
can I read and write data through SCO channel simultaneously ?

thank you and best regards,
kern.


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