Date: Tue, 3 Mar 2020 09:55:28 +0100 From: Hans Petter Selasky <hps@selasky.org> To: Farhan Khan <farhan@farhan.codes>, freebsd-usb@freebsd.org Subject: Re: Understanding how USB transmission works Message-ID: <09d8b71f-1c91-77e3-98a4-8c9c7d0d8392@selasky.org> In-Reply-To: <a633e1f6-b514-426c-abe5-3f66c206f728@www.fastmail.com> References: <8d84a572-f70f-4080-bfe2-263b7f97993c@www.fastmail.com> <497ed8b0-9d9b-8c35-74f5-e9fd2e32fc08@selasky.org> <a633e1f6-b514-426c-abe5-3f66c206f728@www.fastmail.com>
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On 2020-03-03 04:42, Farhan Khan wrote: > Thank you so much for your prompt response! I understand that you are the one who wrote the USB stack? If so, I am honored. > Can you please clarify a few points you made? >> In the beginning you call the start method > Within rum(4), would that be rum_start()? If not, which function is that? rum_start() later on calls usbd_transfer_start() which actually starts the USB part. >> then you can submit the USB transfer > Would that function be usbd_transfer_submit(9)? Yes. --HPS
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