NAME
ustir —
SigmaTel STIr4200-based USB-IrDA bridge
support
SYNOPSIS
ustir* at uhub?
irframe* at ustir?
DESCRIPTION
Theustir driver provides support for USB-IrDA bridges
based on the SigmaTel STIr4200. The driver is known to work with the following
adapters:
- Mars II 740 USB IrDA Adapter
Access to the IrDA device is through the irframe(4) driver.
SEE ALSO
HISTORY
The ustir driver appeared in
NetBSD 1.6.
AUTHORS
The ustir driver was written by
David Sainty
<David.Sainty@dtsp.co.nz>.
BUGS
The STIr4200 cannot notify the driver when it has received data, instead it has to be continuously polled. This driver polls (when idle) at a fairly low rate of 10 times per second, which means that system performance is not overly affected by rapid polling, but latency is fairly high.