Lup Yuen Lee 李立源 @lupyuen@qoto.org

Object File formats (ELF / COFF)

https://maskray.me/blog/2024-01-14-exploring-object-file-formats

hardware_hustle: Tabletop Game about running a small Hardware Business

Source: https://github.com/oskitone/hardware_hustle

Open-source #Arduino Simulator that runs in your web browser

https://www.cnx-software.com/2024/01/16/arduinosimulator-is-an-open-source-arduino-simulator-that-runs-on-your-web-browser/

#RISCV Lichee Console 4A benchmarks

https://3.14.by/en/read/RISC-V-Sipeed-Lichee-Console-4A-Alibaba-T-Head-TH1520-review

We emulate the #Ox64 BL808 UART Registers in TinyEMU #RISCV Emulator ... Now we see Virtual Ox64 booting Apache #NuttX RTOS! 🎉

Source: https://github.com/lupyuen/nuttx-tinyemu#intercept-uart-registers-for-ox64-bl808-emulator

How we set the #RISCV Interrupt Priority and Threshold for Platform-Level Interrupt Controller (PLIC)

Article: https://lupyuen.codeberg.page/articles/plic2.html#set-the-interrupt-priority

Bread Machine #Sourdough ... Stretch & Fold really helps! 👍

Recipe: https://lupyuen.codeberg.page/articles/sourdough.html

Story of Motorola 6800 and the creation of 6502

https://thechipletter.substack.com/p/leaving-arizona

Strange MMU Crash on #Ox64 BL808 with Apache #NuttX RTOS 🤔

Source: https://gist.github.com/lupyuen/def8fb96245643c046e5f3ad6c4e3ed0

rvscript: Game Scripting Engine with low latency #RISCV Sandbox

https://github.com/fwsGonzo/rvscript

Delayed Open Source Publication (DOSP): "distributing or publicly deploying software under a Proprietary License at first, then subsequently ... publishing that software’s source code under an Open Source license" (Terraform / Qt / GhostScript)

https://opensource.org/delayed-open-source-publication/

"Niklaus Wirth, or the Importance of Being Simple" (Bertrand Meyer)

https://m-cacm.acm.org/blogs/blog-cacm/279178-niklaus-wirth-or-the-importance-of-being-simple/fulltext

"Ukraine’s Drone developers are working on an AI solution ... if the jamming gets too intense and the drone loses its command signal, the AI can take over control from the human operator"

https://www.thedailybeast.com/ukraines-ai-drones-are-making-war-much-deadlier-for-russia

Faraday Cage for #ESP32 reverse engineering

https://esp32-open-mac.be/posts/0003-faraday-cage/

#IoT in 2023

https://iot-analytics.com/iot-2023-in-review/

#NuttX Ox64 boots a tiny bit in TinyEMU #RISCV Emulator ... We might actually Emulate #Ox64 BL808 SBC in the Web Browser! 🎉

Source: https://github.com/lupyuen/nuttx-tinyemu#change-risc-v-addresses-in-tinyemu-for-ox64-bl808

Here's how we init the #RISCV Interrupts in the Platform-Level Interrupt Controller (PLIC)

Article: https://lupyuen.codeberg.page/articles/plic2.html#initialise-the-interrupts

Apache #NuttX RTOS 12.4 supports #RISCV Kendryte K230 and @PINE64 #Ox64 #BL808 SBC 🎉

Source: https://nuttx.apache.org/releases/12.4.0/

"#Android should introduce an Auto-Reboot feature to make exploitation of Firmware Flaws more difficult"

https://www.bleepingcomputer.com/news/security/grapheneos-frequent-android-auto-reboots-block-firmware-exploits/