Re: Tx transfer not triggering corresponding Rx interrupt

In reply to: Farhan Khan : "Re: Tx transfer not triggering corresponding Rx interrupt"
Go to: [ bottom of page ] [ top of archives ] [ this month ]

From: Hans Petter Selasky <hps_at_selasky.org>
Date: Tue, 17 May 2022 13:20:50 UTC

On 5/17/22 08:18, Farhan Khan wrote:
>> usbd_do_request() is only for synchronous transfers on endpoint zero,
>> the control endpoint. It is a handy function to avoid allocating and
>> freeing USB transfers over and over again.
> Does this also result in automatic Rx/IN interrupt callbacks? If not, why is
> this happening?
> 

Hi,

usbd_do_request() is only for endpoint zero, the control endpoint.

--HPS