USTIR(4) | Device Drivers Manual | USTIR(4) |
ustir
— SigmaTel
STIr4200-based USB-IrDA bridge support
ustir* at uhub?
irframe* at ustir?
The ustir
driver provides support for
USB-IrDA bridges based on the SigmaTel STIr4200. The driver is known to work
with the following adapters:
Access to the IrDA device is through the irframe(4) driver.
The ustir
driver appeared in
NetBSD 1.6.
The ustir
driver was written by
David Sainty
<dsainty@NetBSD.org>.
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.
December 24, 2001 | NetBSD 10.99 |