1.\" $NetBSD: uslsa.4,v 1.8 2019/01/27 09:22:19 rin Exp $ 2.\" 3.\" Copyright (c) 2006 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software contributed to The NetBSD Foundation 7.\" by Jonathan A. Kollasch. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28.\" POSSIBILITY OF SUCH DAMAGE. 29.\" 30.Dd January 27, 2019 31.Dt USLSA 4 32.Os 33.Sh NAME 34.Nm uslsa 35.Nd USB support for Silicon Labs CP210x series serial adapters 36.Sh SYNOPSIS 37.Cd "uslsa* at uhub?" 38.Cd "ucom* at uslsa?" 39.Sh HARDWARE 40The 41.Nm 42driver is known to work with the following adapters: 43.Pp 44.Bl -tag -width Dv -offset indent -compact 45.It Adafruit 954 USB to TTL Serial Cable 46.It Helicomm IP-Link 1220-DVM 47.It Nokia CA-42 USB 48.It Siemens MC60 Data Cable 49.It Suunto USB Serial Adaptor 50.El 51.Sh DESCRIPTION 52The 53.Nm 54driver provides support for the Silicon Labs USB-to-RS-232 Bridge chip. 55.Pp 56The device is accessed through the 57.Xr ucom 4 58driver which makes it behave like a 59.Xr tty 4 . 60.Sh SEE ALSO 61.Xr tty 4 , 62.Xr ucom 4 , 63.Xr usb 4 64.Pp 65.Lk http://www.silabs.com "Silicon Laboratories" . 66.Rs 67.%T Silicon Laboratories AN571: CP210x Virtual COM Port Interface . 68.Re 69.Sh HISTORY 70The 71.Nm 72driver 73appeared in 74.Nx 4.0 . 75.Sh AUTHORS 76The 77.Nm 78driver was written by 79.An Jonathan A. Kollasch . 80Code and style was borrowed from existing 81.Nx 82USB-serial drivers. 83.Sh CAVEATS 84Settings other than 8 data bits, no parity, and 1 stop bit 85seem to be refused by the CP2101. 86