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2010-02-09 - 13:40

Next OSADL Events:

Embedded World 2010
02.03 - 04.03
CeBIT Open Source
02.03 - 06.03

Breaking News:

2010-02-08 12:00

Prof Eben Moglen on "GNU GPL Version 3: The Law Making Process"

International Conference on Commons, Users, Service Providers Internet (Self-)Regulation and Copyright


2009-11-23 12:00

Added a new HOWTO to the OSADL Website: Use BuildRoot to create a Linux image for QEMU

Guest Editor Bogdan Cristea tells us about rapid prototyping of an embedded system using virtualization


2009-11-19 12:00

Meet OSADL and many of its members at the SPS/IPC/Drives 2009

Bird's view of the OSADL booths

Open Source and Linux in Automation - the collaborative environment we always wished we had


2009-11-18 12:00

SERCOS III middleware library available as Open Source

Download the Common SERCOS Master API from the Internet


2009-10-21 12:00

Will we always wake up in time?

The Linux real-time kernel now contains a wakeup latency recorder to continuously monitor the real-time capabilities of a computer system



OSADL Projects

OSADL Project: Userspace Driver

Project Goal

Provide a generic framework for handling devices in userspace. The device driver is split into a small kernel part, which contains the device setup and the primary interrupt handling, and a user space part, which handles the device functionality.

UIO was originally part of the OSADL project "Universal Fieldbus and Industrial I/O Framework" and represents one of its kernel interfaces.

This HOWTO is part of the Linux kernel documentation.

Code

Since kernel version 2.6.23 (commit), UIO kernel component is part of the mainline Linux Kernel. This LWN article gives some more details on it.

The mainline Linux kernel contains a number of UIO user-space drivers that can be used as a template when writing such drivers, e.g.

uio_cif.c

UIO Hilscher CIF card driver

uio_sercos3.c

UIO driver for the Automata Sercos III PCI card