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REAL TIME LINUX
Hard Real Time for Robotics and Data Acquisition


ADEOS IPIPE: Interrupt jitter latency test
...custom timer interrupt frequency in order to measure the timer interrupt jitter and also the max. latency...


ADEOS IPIPE: Device Driver with MMAP
ADEOS IPIPE Hard Real Time - Device Driver with MMAP


ADEOS IPIPE: 8254 Timer Programming
Here we have an ADEOS IPIPE example that uses and modifies the 8254 timer interrupt to have a custom timer interrupt frequency for various purposes, e.g. data sampling, controlling stuff.


ADEOS IPIPE: Stress Test
Here we have an ADEOS IPIPE stress test that works on 2.6 kernels and the newly released 2.4 ipipe patch.



ADEOS IPIPE: Absolute Time (Unix Timestamp) in Kernel Space
How to get absolute time in kernel space without breaking hard real time determinism provided by the ADEOS IPIPE kernel extension.


Porting from ADEOS to ADEOS-IPIPE

ADEOS double buffering FIFO
Adeos Nano Kernel Hard Real Time Double Buffering FIFO



Adeos Parallel Port Interrupt
Adeos Nano Kernel Hard Real Time Parallel Port Interrupt Handler Kernel Module

For a standalone version (with a square wave generator for the par port) see:
Adeos Parallel Port Interrupt - standalone version

For the extended standalone version (with APIC setup and /proc file read/write capability) see:
Adeos Parallel Port Interrupt - extended standalone version


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