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umoscom — USB support for serial adapters based on chips made by MOSCHIP
To compile this driver into the kernel, place the following lines in your kernel configuration file: device usb device ucom device umoscom Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): umoscom_load="YES"
The umoscom driver provides support for various serial adapters based on chips from MOSCHIP. The device is accessed through the ucom(4) driver which makes it behave like a tty(4).
/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
The umoscom driver appeared in OpenBSD and was ported to FreeBSD.