Lup Yuen Lee 李立源 @lupyuen@qoto.org

Check for Null Pointer before calling free()?

https://pvs-studio.com/en/blog/posts/cpp/1100/

Resurrecting Banyan VINES (2023)

https://wiki.restless.systems/wiki/Banyan_VINES_resurrection

"She took his coat and hung it up"

https://www.theregister.com/2024/02/06/dutch_defense_china_cyberattack/

Interface to Honeywell / Ademco keypads and panels

https://github.com/gregrenda/ademco

Obfuscation of DJI Pilot #Android app

https://blog.quarkslab.com/dji-the-art-of-obfuscation.html

TCC #WebAssembly with ROM FS Filesystem ... Works great with Apache #NuttX Emulator 👍

Source: https://github.com/lupyuen/tcc-riscv32-wasm#puts-and-exit-work-ok-in-tcc-webassembly-and-nuttx-emulator-yay

#Ox64 BL808 SBC won't work with some USB Serial Adapters ... Here's how we test

Article: https://www.hackster.io/lupyuen/8-risc-v-sbc-on-a-real-time-operating-system-ox64-nuttx-474358#toc-test-the-usb-serial-adapter-2

#RISCV T-Head C9xx Cache Sync in #Linux Kernel ... Trying to understand how it works 🤔

Source: https://lkml.org/lkml/2021/6/6/98

Horrigible Hacking of TCC #RISCV Compiler for #NuttX System Call 🤔

Source: https://github.com/lupyuen/tcc-riscv32-wasm#implement-puts-with-nuttx-system-call

quickgl: QuickJS runtime with TinyGL bindings

https://github.com/bnolan/quickgl

Andrew Kelley: "I needed to buy a new dishwasher ... It takes 30 seconds to boot up, presumably because of the Bluetooth and WiFi driver"

https://andrewkelley.me/post/why-we-cant-have-nice-software.html

Vision Pro Teardown

https://youtube.com/watch?v=JVJPAYwY8Us

"CanMV K230 SBC: Kendryte #RISCV MCU with Vector Extension" (Now with Apache #NuttX RTOS! 🎉)

https://youtube.com/watch?v=OhjAqnWa1U8

Decent Demo of Building and Testing an Apache #NuttX App in the Web Browser ... Finally! 🎉

Source: https://github.com/lupyuen/tcc-riscv32-wasm#puts-and-exit-work-ok-in-tcc-webassembly-and-nuttx-emulator-yay

#Ox64 BL808 SBC uses 2 Serial Ports: 1️⃣ Flashing UART 2️⃣ Serial Console ... Don't get them mixed up! 🙏

Article: https://www.hackster.io/lupyuen/8-risc-v-sbc-on-a-real-time-operating-system-ox64-nuttx-474358#toc-flashing-uart-vs-serial-console-1

Here's how we Open and Read a ROM FS File in #ZigLang ... Thanks to #NuttX ROM FS Driver

Source: https://github.com/lupyuen/tcc-riscv32-wasm#open-a-rom-fs-file-in-zig

"Half of the more than 10 billion #RISCV chips shipped globally by 2022 were made in China"

https://www.channelnewsasia.com/business/china-bets-open-source-chips-us-export-controls-mount-4099356

"Pet Shop Boys on 40 years of pop genius"

https://www.theguardian.com/music/2024/feb/03/pet-shop-boys-nonetheless-interview

Vision Pro Teardown

https://www.ifixit.com/News/90137/vision-pro-teardown-why-those-fake-eyes-look-so-weird