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Manual Pages  — USLCOM

NAME

uslcom – Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105 based USB serial adapter

CONTENTS

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file: device usb device ucom device uslcom

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): 

uslcom_load="YES"

DESCRIPTION

The uslcom driver supports Silicon Laboratories CP2101/CP2102/CP2103/CP2104/CP2105 based USB serial adapters.

The datasheets for the CP2101/CP2102/CP2103 list the maximum supported baud rate as 921,600. Empirical testing has shown that the rates 1,228,800 and 1,843,200 also work, at least on some hardware, so the driver allows setting those rates.

HARDWARE

The following devices should work with the uslcom driver:

FILES

/dev/ttyU* for callin ports
/dev/ttyU*.init
/dev/ttyU*.lock
  corresponding callin initial-state and lock-state devices

/dev/cuaU* for callout ports
/dev/cuaU*.init
/dev/cuaU*.lock
  corresponding callout initial-state and lock-state devices

SEE ALSO

tty(4), ucom(4), usb(4)

HISTORY

The uslcom device driver first appeared in OpenBSD 4.0 . The first FreeBSD release to include it was FreeBSD 7.1 .

AUTHORS

The uslcom driver was written by Jonathan Gray <Mt jsg@openbsd.org>.
USLCOM (4) December 9, 2019
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