Category Archives: tech

technical entries

Bing fails to install Minecraft on VisionFive 2

Posted on March 22, 2023 by twongkee

prompted Bing in compose mode with installing minecraft java edition on risc-v sbc visionfive 2 and this is the result Impressive. Incorrect, but sounds good. step 1: the riscv64 openjdk download link does not exist 🙁. There ARE riscv64 java … Continue reading →

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VisionFive 2 Python and Pygame

Posted on March 9, 2023 by twongkee

Installed python, pygame, jupyter-lab (and matplotlib). Sound works via hdmi (sort of). There is sound coming from the TV, but not totally clear, sort of garbled, as if timing is a bit off, but fine for beeps and explosions from … Continue reading →

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Firefox Built on VisionFive 2

Posted on March 6, 2023 by twongkee

Unmodified firefox build (from this weekend) built on Debian on the VisionFive 2 ! Linux starfive 5.15.0-starfive #1 SMP Mon Feb 27 14:03:14 EST 2023 riscv64 GNU/Linux not optimized, and not with the JIT, just the default build. A few … Continue reading →

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first RISC-V board: StarFive VisionFive 2

Posted on March 4, 2023 by twongkee

arrived this week: StarFive VisionFive 2 board Picked up the 8 Gig dual network version from AmeriDroid. Not had time to do much; Downloaded the 202302 debian image onto SD card. One hint: the board did not come configured to … Continue reading →

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Pinephone Pro camera, outside shots

Posted on February 20, 2023 by twongkee

Out on a sunny day, took a few outdoor shots with the pinephone pro and pinhole app.

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Pinephone Pro mobian camera and pinhole

Posted on February 13, 2023 by twongkee

sudo apt install pinhole and “show all apps” (apparently camera is not mobile friendly yet) click the camera app, and get the following pic! left it sideways, since didn’t want to put up a “modified” picture.the colours are also good. … Continue reading →

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Pinephone Pro and libcamera on mobian

Posted on February 13, 2023 by twongkee

Working, sort of? This is my first time really looking at libcamera, I’m not a C person, so have not built much with C, so just trying out the basic build and utilities. Downloaded the git repo and all the … Continue reading →

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Pinephone Pro camera: smooth out the triangle dots.

Posted on February 10, 2023 by twongkee

Zooming in and looking at the triangle dot pattern, it is very regular. Changed the image type to png, which is non lossy, and see there are pairs of dots, in the regular pattern, on the green layer. used GIMP … Continue reading →

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Pinephone Pro camera colour cli adjustments

Posted on February 5, 2023 by twongkee

Continue to play with the camera still have the triangular dots, but did find an imagemagick command to adjust the colours here is a shot of page 37 from The Art of Color by Johannes Itten.initial raw image with the … Continue reading →

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Pinephone Pro camera CLI: return of the dots

Posted on January 30, 2023 by twongkee

now set the cli to capture full resolution image, and see the return of the triangular dots, first seen with ppp-cam. all the settings were “try what worked” not sure if they are optimal, or even correct or consistent. now … Continue reading →

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