Re: Controlling and reading a usb radio

[Peter S. <pe...@st...>]

Hi!

Deron wrote:
> What I don't have now is the audio stream. I'm not very familiar with 
> USB, so this is a really basic question, but what do I do to read that 
> data?

This is highly device-specific. The process is to reverse-engineer
how the device communicates with the PC. You may have to learn a fair
bit of USB details.


> if someone could just nudge me in the correct direction I would
> appreciate it or even basic info on USB that would fluff out my
> knowledge without have to read an encyclopedia on USB.

If you send the output of lsusb -v for the device to this list, we
may be able to help you find the correct process.

If you want, you can also check out my USB intro talk which goes into
some light technical detail about the bus.

Slides: http://events.ccc.de/congress/2010/Fahrplan/events/4234.en.html
MPEG-4: http://mirror.fem-net.de/CCC/27C3/mp4-h264-HQ/27c3-4234-en-usb_and_libusb.mp4
Flash: http://youtu.be/uBBE2gihv5I

And feel free to stop by #libusb on freenode for some live
discussion.


//Peter