Date: Tue, 23 Jul 2013 20:10:06 +0200 From: CeDeROM <cederom@tlen.pl> To: "freebsd-usb@FreeBSD.org" <freebsd-usb@freebsd.org> Subject: LibFTDI/LibUSB 1.0 and Asyncrhonous I/O on FreeBSD Message-ID: <CAFYkXjm1gqpq34ogP9yMQa0xj3ZWth7zzXx2Kki6Cp6DbhztuA@mail.gmail.com>
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Hello :-) LibUSB 1.0 introduced Asyncrhonous I/O [1] which in conjuction with LibFTDI 1.0 [2] gives significant performance improvement on FT2232* based chips used in various UART/JTAG/SWD interfaces. I am working on LibSWD [3] and would like to use this Asyncrhonous I/O on my FreeBSD box. I know there is an internal BSD implementation of LibUSB, so my question is it possible to use this Asynchronous I/O with FreeBSD implementation of LibUSB, or more specifically is it possible to use LibFTDI 1.0 to improve speed of my driver for FT2232 chip? :-) Any hints appreciated! :-) Tomek [1] http://www.libusb.org/wiki/libusb-1.0 [2] http://www.intra2net.com/en/developer/libftdi/ [3] http://libswd.sf.net -- CeDeROM, SQ7MHZ, http://www.tomek.cedro.infohelp
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