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Date:      Wed, 18 May 2016 21:08:56 +0200
From:      Hans Petter Selasky <hps@selasky.org>
To:        Karl Denninger <karl@denninger.net>, freebsd-usb@freebsd.org
Subject:   Re: Oddity with ugen
Message-ID:  <944fecd7-da8d-c89b-83fd-c84cd4501e24@selasky.org>
In-Reply-To: <4d3e7356-bd57-a03c-b499-325bfd2bd027@denninger.net>
References:  <b24c5a9a-cb18-c014-75ab-9b923853a70c@denninger.net> <46bd6efe-5335-f659-0b07-5107b0e9a326@selasky.org> <af57a994-2e7a-c0d0-1d84-a333c2b2096b@denninger.net> <b04006da-8b3b-7daa-e8d0-0cea8d1583ed@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>

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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


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