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Oct. 19th, 2017 11:11 pm
randomdreams: riding up mini slickrock (Default)
[personal profile] randomdreams
Most of y'all know that I have a lot of memory problems, and I've had to turn into a somewhat Memento-esque person. I had two different instances of that today: looking for a piece of hardware/software I built for the Spitfire four months ago, and I found the control board nicely packaged with the sensor and the relevant processor, rather than having to hunt them down again (or more likely reorder them) so it's nice when I think enough at the moment of creating a project to physically include all its dependencies. On the other hand, looking through the firmware I wrote for it, and there's an uncommented constant that looks like nonsense, so I change it to something sensible, start working with the sensor, and can't figure out why the output is total garbage, until I look carefully at the hardware and realize I have it set up to use a precision voltage reference rather than just whatever the input voltage is, and that nonsense constant is actually the correct value for the precision voltage reference. So, switch it back to what it was, add some comments, and go back to working on the project. Sheesh.

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Oct. 16th, 2017 09:57 pm
randomdreams: riding up mini slickrock (Default)
[personal profile] randomdreams
I went to Moab, Utah, over the weekend to meet some G+ friends and ride all over creation. I'll post pictures later. It was utterly exhausting, mostly because I rode with them in the morning and then went and rode really hard in the evening on my own. I am officially no longer in contention for world-class racing. Dammit. But I am within a few percent of my best times from 15 years ago, which is nice. (Less peak power, but way better endurance.)

Right now I'm battling a spigot. We have frost-resistant spigots on the house, and both have now failed to a lesser or greater extent, one no longer working at all but at least not leaking, and the other leaking at somewhere between the rate a dog would pee and maybe a drop every two seconds if I mess about with it. Traditionally, frost-resistant spigots are easy to fix: you shut the house water off (or, in the case of my previous house, you turn off the cutoff valve I installed in the plumbing right in front of each spigot, for exactly this situation) and extract the spigot valve from the body and replace the gasket and you're good for another 15 years. Well, I shut off the house water and extracted the valve control hardware, and it doesn't have a gasket on the end. The entire valve control assembly is buried in the wall. The only access is by cutting a hole, either in the nice hardwood floor in the bedroom, or in the finished/textured drywall ceiling in the nonfiction library. I'm choosing the library.

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Oct. 10th, 2017 10:57 pm
randomdreams: riding up mini slickrock (Default)
[personal profile] randomdreams
I was outside working on some stuff in the workshop, and Monty was sitting on the deck whine/howling at me. It's freezing out there, literally. I'm all "Dog, I have stuff I desperately need to finish!" and she's all "NOOOOOO come in here and let me sleep on your lap" and finally I gave up. She's all smooshed up behind me, between my back and the sofa, but at least she's not shrieking.

I spent a lot of the day chasing a wrapper flaw. Labview can call Windows dll's, through wrapper functions, and someone on our corporate labview development team had miswritten one of a series of nearly identical wrappers. I was talking to the people who wrote the SDK that the wrapper encloses, and they assured me that the SDK worked just fine, so I got to learn how to write my own labview wrappers. Turns out that's surprisingly easy right up until I needed to pass a pointer to an array, and then I was very happy that another person on the labview development team sent me the correct function before I spent another two hours fighting with that process.

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Oct. 10th, 2017 10:51 pm
randomdreams: riding up mini slickrock (Default)
[personal profile] randomdreams
I had a dream that I no longer have particularly organized in my head, but: I was in an enormous decrepit old building, and the owner of the building pointed out one room that was haunted by a surly, physically aggressive spirit. Like, you went into the room, and if you hung out there very long at all, it started pushing you around and throwing things at you. I, of course, went in there to see, and sure enough, it started pushing me around, but I noticed this absolutely beautiful piano, somewhere in between a studio and a full upright, and played a few notes on it. It was *perfect*, despite the dust: the best-sounding piano I've ever heard. She said "oh, yeah, the spirit tunes it." I was all "this is spectacular. That spirit should tune pianos." The spirit promptly appeared, looking like an elderly Turkish guy (silvery hair, ferocious eyebrows, ferocious moustache) and said he'd be glad to if people would bring them to the room. I figured this would be a way to keep him busy and not pushing people around.

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