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Problem C55 Audio Framework with TMS320C5505

Amar Al-khayat89904
Prodigy 20 points

Hi

We have implemented USB Device in our 5505 system using the following interfaces

1. USB Mass Storage Interface

2. HID Interface

3. Audio Interface

Using USB in "High Speed Mode" by setting "HSEN in FADDR_POWER Register"  USB Mass Storage and HID work very fine but I have problem using Audio interface although the PC install the Audio device and communicate with it under EP 0,

But record /play function (Isochronous Stream in / Isochronous stream out ) don't work, there is no ISO frame using  USB Analyzer.

i tried your  C55 Audio Framework EZDSP-01.52.00.00, it work but this example work only under USB Full Speed mode , if i try to use High speed USB , i get the same problem.

Can you please tell me exactly what is the different in the setting, which i have to do in High Speed mode so that it Audio interface can also work.

i need this information urgently (I can't wait until the new future from Audio Framework is available).

 Thanks

Best Regads

Amar