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UCHCOM(4)             DragonFly Kernel Interfaces Manual             UCHCOM(4)

NAME

uchcom -- WinChipHead CH341/CH340 serial adapter driver

SYNOPSIS

To compile this driver into the kernel, place the following lines in your kernel configuration file: device usb device ucom device uchcom Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): uchcom_load="YES"

DESCRIPTION

The uchcom driver provides support for the WinChipHead CH341/CH340 USB- to-RS-232 Bridge chip. The device is accessed through the ucom(4) driver which makes it behave like a tty(4).

HARDWARE

The uchcom driver supports the following adapters: o HL USB-RS232

SEE ALSO

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

HISTORY

The uchcom driver first appeared in NetBSD 5.0 and was imported into DragonFly 1.11. The first FreeBSD release to include it was FreeBSD 8.0.

BUGS

Actually, this chip seems unable to drive other than 8 data bits and 1 stop bit line. DragonFly 3.7 November 20, 2011 DragonFly 3.7

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