I’ve just come back from a trip to Tanzania, where I, together with 7 others (and a lot of guides and porters), climbed up Kilimanjaro. An absolutely fantastic experience that I’d not want to be without – and at the same time something that I’ve no interest in doing again – at least not within the next couple of years ;) It was incredibly exhausting – especially the last trek to the summit – and I didn’t get to take quite as many pictures as I’d assumed I would. Mainly because a DSLR is a bit cumbersome to get out…
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Had an amazing sunset on the last day of my summer-holiday, with the sun basically shining up on the clouds from below. Lying on the couch watching Top Gear, I had to hurry outside with the camera once I noticed what was going on. Managed to get a few shots, although they don’t really do it justice.
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– continued from part 2.
My first attempt at creating a 100 Hz real-time Linux kernel loop did not work as expected. After getting some good pointers from the linux-rt-users mailing list, and doing some further investigations myself, I decided to reimplement the loop using usleep_range() (further described here). This function basically just sleeps for a specified time (given a minimum and a maximum time to sleep), and thus does not need to have callbacks or similar specified. It should therefore be straight-forward to just create a new thread calling usleep_range() after each iteration, and then schedule it with the real-time scheduler.
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