NAME

ustir — SigmaTel STIr4200-based USB-IrDA bridge support

SYNOPSIS

ustir* at uhub?
irframe* at ustir?

DESCRIPTION

The ustir 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

irframe(4), uirda(4), usb(4)

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.