DimOS RT

2011-02-24 12:00:00 by demon

DimOS RT is a preemtive real-time kernel with EDF-scheduling for Atmega microcontorllers It is inpired by the research paper from Dan Henriksson and Anton Cervin

RGB-LED

A test application for Atmega8 at 16MHz: cycle through HSV-values with 5 independent tasks:

  • 1x heartbeat
  • 1x hsv2rgb converter/feeder
  • 3x PWM driver/reader for each color accordingly

The UART 9600,8n1 feeds current running task, although due to its speed limitation it's not in sync with real context switches.

My roommate's cooking

2011-01-17 20:37:00 by demon

Visualisation hack for aucat

2010-11-13 12:00:00 by demon

The last release of OpenBSD (4.8) includes a new cool feature: a monitoring mode in its audio daemon aucat(1).

Thus, this little hack visualizes anything, what is being played using this new mode, no matter where the sound data came from.

Browse CVS: src/spectrogram

Used libs: sndio, SDL, fftw3

0b00100000

2010-11-10 11:00:00 by demon

my 6th bit ;)

Trip into Alps

2010-08-11 12:00:00 by demon

From Bad Tölz to Litzumerhütte

Drachenberg

2010-07-12 12:00:00 by demon

AVR SP12 programmer for OpenBSD

2010-01-06 12:00:00 by demon

Port of AVR SP12 programmer to OpenBSD with some impovements and clean-up.

Requires kern.securelevel ≤ 0 or machdep.allowaperture > 0 (see sysctl(3) for details)

Browse CVS: src/sp12

tallyman

2009-10-28 12:00:00 by demon

With tallyman you are able to transfer one or many users or even resellers with all its sub-users from one paralells virtuozzo server to another. You can either do the transfer manually by looking for all required database entries, user files, database files, users emails, settings and configurations or let tallyman do it for you. tallyman takes also care about possible collisions on the target system and warn you if there are some.

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xlinux - greetings from the year 1996

2009-10-18 12:00:00 by demon

It was 1996 as I met linux first time. Now 13 years later I found it again on an old CD and could not resist to temptation to run it again. Thus if you like play with it too, you can get it either from the net or get it as ready-to-run qemu image here [27M]

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Mittelgebirge

2009-09-05 12:00:00 by demon

Dima's camera, Robin's camera, NDR report

mittelgebirge

mittelgebirge2