From owner-freebsd-usb@freebsd.org Wed May 18 19:05:39 2016 Return-Path: Delivered-To: freebsd-usb@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id E30B8B40E6B for ; Wed, 18 May 2016 19:05:39 +0000 (UTC) (envelope-from hps@selasky.org) Received: from mail.turbocat.net (mail.turbocat.net [IPv6:2a01:4f8:d16:4514::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AE5A31EA6 for ; Wed, 18 May 2016 19:05:39 +0000 (UTC) (envelope-from hps@selasky.org) Received: from laptop015.home.selasky.org (unknown [62.141.129.119]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.turbocat.net (Postfix) with ESMTPSA id B551D1FE024; Wed, 18 May 2016 21:05:35 +0200 (CEST) Subject: Re: Oddity with ugen To: Karl Denninger , freebsd-usb@freebsd.org References: <46bd6efe-5335-f659-0b07-5107b0e9a326@selasky.org> <8dfad53f-e8a6-68b7-37e2-d5cd95768ceb@denninger.net> <10288d18-6da5-f5e8-e8ec-57d59b32ca7a@selasky.org> <694e8b6a-2607-ff4e-58ea-53d544ee4e52@denninger.net> <4d3e7356-bd57-a03c-b499-325bfd2bd027@denninger.net> From: Hans Petter Selasky Message-ID: <944fecd7-da8d-c89b-83fd-c84cd4501e24@selasky.org> Date: Wed, 18 May 2016 21:08:56 +0200 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 In-Reply-To: <4d3e7356-bd57-a03c-b499-325bfd2bd027@denninger.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 18 May 2016 19:05:40 -0000 On 05/18/16 19:21, Karl Denninger wrote: > One other note -- I looked at libusb but it does not appear that there > is a way to do a "select()" on the input endpoint to determine if data > is available. LibUSB v2.0 has: int libusb20_dev_get_fd(struct libusb20_device *pdev); --HPS