Phil Quinton wrote:
> "They are submitted to the endpoint's queue. The actual transmission
> is managed by the controller's hardware and happens later, once per
> microframe."
>
> Okay, but why are the 12 urbs (4 for sync) despatched one every
> microframe ONLY on the initial start of a stream?
I
"They are submitted to the endpoint's queue. The actual transmission
is managed by the controller's hardware and happens later, once per
microframe."
Okay, but why are the 12 urbs (4 for sync) despatched one every microframe
ONLY on the initial start of a stream? After they have been sent it bac
Phil Quinton wrote:
> When an audio stream starts (play), 12 urbs get sent (very close
> together) to the main isosynchronous end point
They are submitted to the endpoint's queue. The actual transmission
is managed by the controller's hardware and happens later, once per
microframe.
> This is ca
Hi,
I'm currently building a DIY High speed usb audio device and have come
across some stange behaviour. When an audio stream starts (play), 12 urbs
get sent (very close together) to the main isosynchronous end point, 4 urbs
get sent to the sync endpoint. This is causing a buffer overrun on my DIY