Lup Yuen Lee 李立源 @lupyuen@qoto.org

Up Next: #NuttX Drivers for #PinePhone's LCD Panel and Power Mgmt IC

Article: https://lupyuen.github.io/articles/de3?8#upcoming-drivers

Serpent OS delivers

https://serpentos.com/blog/2022/12/24/lift-off

"Samsung recalled more than 660,000 washing machines, warning customers that the machine could short-circuit and overheat ... All Wi-Fi equipped washers should automatically download the free software repair"

https://www.cnn.com/2022/12/23/business/samsung-washing-machine-recall-fire-hazard/index.html

Smart swaps for Hard-To-Find Boards (#Arduino / Pi)

https://makezine.com/article/maker-news/the-replacements-smart-swaps-for-hard-to-find-boards/

rust-gpu 0.4: First Class GPU Graphics & Compute Shaders with #RustLang

https://www.phoronix.com/news/Rust-GPU-0.4

Merlot is an open-source tricolor Wireless E-paper display (#ESP32)

https://www.cnx-software.com/2022/12/23/merlot-is-an-open-source-hardware-tri-color-wireless-e-paper-display/

Back to BASICs (MEGA65 / Commodore C65)

https://m65digest.substack.com/p/back-to-basics

Reverse Engineering TikTok's VM Obfuscation

https://nullpt.rs/reverse-engineering-tiktok-vm-1

Our #NuttX Display Driver for #PinePhone is nearly complete! Just a few bits of Zig code to port over

Article: https://lupyuen.github.io/articles/de3?7#complete-display-driver

#NuttX RTOS SPI Tutorial: #ESP32 and SSD1306

https://embetronicx.com/tutorials/rtos/nuttx/nuttx-rtos-spi-tutorial-using-esp32-and-ssd1306-oled-display/

Weekly Mobile #Linux Update

https://linmob.net/weekly-update-50-2022/

Interesting comments on Apache #NuttX RTOS

Source: https://news.ycombinator.com/item?id=34100614

#PinePhone won't render pixels correctly unless we use Arm64 DMB Barrier ... Not sure why 🤔

Article: https://lupyuen.github.io/articles/de3?6#test-pattern

Pre-defined C/C++ Compiler Macros

https://github.com/cpredef/predef

USB-C Power Issues with Development Boards (Nezha / BL706 / CH32V307)

https://www.robertlipe.com/usb-c-power-issues-with-development-boards/

Let's draw a Test Pattern in our #NuttX Framebuffers for #PinePhone

Article: https://lupyuen.github.io/articles/de3?6#test-pattern

Rendering Framebuffers with the #NuttX Driver for A64 Display Engine on #PinePhone

Article: https://lupyuen.github.io/articles/de3?5#render-framebuffers

#PinePhone and #NuttX on Hacker News 🎉

Source: https://news.ycombinator.com/item?id=34100614

Here's how we define the #NuttX Framebuffers for #PinePhone A64 Display Engine

Article: https://lupyuen.github.io/articles/de3?4#nuttx-framebuffer