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Linux I/O port programming mini-HOWTO
Author: Riku Saikkonen <Riku.Saikkonen@hut.fi>
v3.0, 2000-12-13
This HOWTO document describes programming hardware I/O ports and waiting for small periods of time in user-mode Linux programs running on the Intel x86 architecture.
1. Introduction
2. Using I/O ports in C programs
3. Interrupts (IRQs) and DMA access
4. High-resolution timing
5. Other programming languages
6. Some useful ports
7. Hints
8. Troubleshooting
9. Example code
10. Credits
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