Date: Tue, 20 Dec 2016 18:57:50 +0100 From: Hans Petter Selasky <hps@selasky.org> To: George Mitchell <george+freebsd@m5p.com>, freebsd-hackers@freebsd.org Subject: Re: USB ppbus? Message-ID: <930e14f6-d8a8-7f50-21b4-6e76c2057f31@selasky.org> In-Reply-To: <35e62a59-556a-68bf-3b9d-017108f12f38@m5p.com> References: <35e62a59-556a-68bf-3b9d-017108f12f38@m5p.com>
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On 12/19/16 20:19, George Mitchell wrote: > I have a USB cable that terminates in a DB25 connector. Inside is a > Prolific Technology PL2305: > http://prolificusa.com/files/ds_pl2305I_v1.0.pdf > It probes as a ulpt. I would love if there existed such a thing as > a uppi device. Does it sound possible to get to such a result by > extending the ppbus code to know about USB? Or might it be simpler > to try to add the ppi ioctls (PPIGDATA, etc.) to ulpt.c? -- George Hi George, There is currently no such thing. ulpt only provides a raw character device. The ppbus could possibly be implemented in userspace using libcuse. --HPS
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