Lup Yuen Lee 李立源

Techie and Educator in IoT 物聯網教師

Public Key

npub1dzazuk4tf878rw8hx6szqr2cdgkf7u6f47sha43f2qtf2vkkdn3q9kar4t

NIP-05 Address

Profile Code

nprofile1qqsx3w3wt245nlr3hrmndgpqp4vx5tylwdy6lgt76c54q954xttxecspz3mhxue69uhhyetvv9ujuerpd46hxtnfduqs6amnwvaz7tmwdaejumr0ds9ahzg2

Publishing to

relay.damus.io

nos.lol

Author Public Key

npub1dzazuk4tf878rw8hx6szqr2cdgkf7u6f47sha43f2qtf2vkkdn3q9kar4t

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Last Notes

2024-06-27 23:49:28

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@npub1rzw…amka Thank you so much! :-)

2024-06-26 03:57:43

"your computer may be running #MINIX 3 right now because Intel used it as the operating system of its chips' integrated Management Engine"
https://www.theregister.com/2024/06/25/tanenbaum_minix_award/

2024-06-15 03:17:17

Amber: "makes it easier for you to write Bash Scripts using a high level programming language"
https://news.itsfoss.com/amber-lang/

2024-06-09 08:17:05

"The Missing Cryptoqueen" (Ruja lgnatova / OneCoin)
https://youtube.com/watch?v=FTnTToWEHvI

2024-06-06 04:41:41

Building #DLang Apps for Apache #NuttX RTOS ... Piece of cake 👍
Source: https://gist.github.com/lupyuen/e6fe3423e282ff8603de5f248bcb9ae5
https://media.social.qoto.org/media_attachments/files/112/567/366/230/406/925/original/7b95cc0068b48b0a.jpg

2024-06-05 10:46:37

Here's how we run #RustLang Apps on Apache #NuttX RTOS and QEMU #RISCV Emulator
Article: https://lupyuen.codeberg.page/articles/rust3.html
https://media.social.qoto.org/media_attachments/files/112/563/139/097/895/299/original/284288c521ffe131.jpg

2024-06-01 04:57:00

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@npub15a2…acrv Literally translated from 大佬 ... Which sounds so Cantonese 😂
https://en.m.wiktionary.org/wiki/%E5%A4%A7%E4%BD%AC

2024-06-01 02:05:24

"Awesome! Expert ported Apache #NuttX RTOS to #RISCV Milk-V Duo-S!" 🎉 (Sophgo SG2000)
Source: https://gist.github.com/lupyuen/f64d5ab06d831328073a751df486c0f1
https://media.social.qoto.org/media_attachments/files/112/538/440/265/608/413/original/c4a82fc32f918bef.jpg

2024-05-31 10:29:17

Cleaning up after OSTest in Apache #NuttX RTOS
https://yf13.github.io/nuttx/leakless-ostest.html

2024-05-21 06:29:59

"People want 'Dumbphones'. Will companies make them?"
https://www.bbc.com/future/article/20240515-the-dumbphones-people-want-are-hard-to-find

2024-05-08 04:20:01

Apache #NuttX Kernel boots OK on #RISCV Sophgo SG2000 / Milk-V Duo S 🎉 ... Now we implement PLIC Interrupt Controller to handle Console Input 👍
Source: https://github.com/lupyuen/nuttx-sg2000#nuttx-kernel-boots-ok-on-sg2000
https://media.social.qoto.org/media_attachments/files/112/403/074/087/432/853/original/1c9de73e241949ab.mp4

2024-05-07 09:52:05

#RISCV Bare Metal Programming? Check out "barebox" 👍
https://www.barebox.org/doc/latest/boards/riscv.html

2024-05-04 11:09:39

Apache #NuttX RTOS in Flat Mode runs NuttX Apps that are Statically Linked (kinda like an octopus?)
Source: https://github.com/lupyuen/nuttx-rust-app#nuttx-flat-mode-vs-kernel-mode
https://media.social.qoto.org/media_attachments/files/112/382/035/583/930/777/original/934c0939b5ce2191.jpg

2024-05-02 00:51:40

Welcoming Mr Rushabh Gala to the Apache #NuttX Community! We'll work on #RustLang Apps for NuttX RTOS in Google Summer of Code 🎉
#GSoC: https://summerofcode.withgoogle.com/
https://media.social.qoto.org/media_attachments/files/112/368/280/661/953/325/original/ba8564fa8fbfa537.png

2024-05-01 13:47:54

"Asian Economies: History, Institutions, and Structures" - Jamus Jerome Lim
https://play.google.com/store/books/details?id=Cj_9EAAAQBAJ

2024-05-01 09:57:33

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How we read the ROM FS Filesystem in #ZigLang ... By calling the Apache #NuttX Driver
Article: https://lupyuen.codeberg.page/articles/romfs.html#open-a-rom-fs-file
https://media.social.qoto.org/media_attachments/files/112/364/765/234/663/458/original/45d943f6709687d7.jpg

2024-04-30 13:20:27

"Attached is the #RISCV Disassembly for Apache #NuttX RTOS on #Ox64 BL808 SBC ... Who calls ECALL?" 🤔
https://media.social.qoto.org/media_attachments/files/112/359/900/490/344/040/original/52ff14fcc547987f.jpg

2024-04-30 12:02:17

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ROM FS Filesystem in #WebAssembly ... Let's port the driver from Apache #NuttX RTOS, thanks to #ZigLang Compiler
Article: https://lupyuen.codeberg.page/articles/romfs.html#nuttx-driver-for-rom-fs
https://media.social.qoto.org/media_attachments/files/112/359/593/284/159/782/original/45012ef9ed59eb98.jpg

2024-04-30 08:22:45

"There are several systemic problems in the Nix project, which have been developing over the course of years ... Some of these problems are symptomatic of serious corrosion of collaborative culture" (#OpenSource)
https://save-nix-together.org/

2024-04-30 05:26:15

M5Stack CoreMP135: #STM32 MP135 Industrial Controller with #Linux and HDMI (Cortex-A7)
https://www.cnx-software.com/2024/04/30/m5stack-coremp135-a-linux-powered-industrial-controller-based-on-stm32mp135-cortex-a7-mpu/

2024-04-29 17:12:23

"三體" - 劉慈欣
https://share.libbyapp.com/title/5774246

2024-04-29 10:11:20

GCC 14 will support #RISCV T-Head Vector Extension 👍
Source: https://gcc.gnu.org/gcc-14/changes.html
https://media.social.qoto.org/media_attachments/files/112/353/494/875/898/218/original/29a002f1faca93da.jpg

2024-04-29 03:28:35

"89% of Arch #Linux Packages are Reproducible, while the remaining 11% is not"
https://outpost.fosspost.org/d/18-research-paper-tests-how-many-arch-linux-packages-are-reproducible

2024-04-29 03:00:21

Serial Console for Milk-V Duo S ... Here's how we print something in #RISCV Assembly (Sophgo SG2000)
Source: https://github.com/lupyuen/nuttx-sg2000#uart-controller-for-sg2000
https://media.social.qoto.org/media_attachments/files/112/351/799/882/299/432/original/a17d6407b85cbdba.jpg

2024-04-28 11:27:46

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Tiny C Compiler in #WebAssembly supports <stdio.h> ... Thanks to the ROM FS Filesystem from Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/romfs.html#file-access-for-webassembly
https://media.social.qoto.org/media_attachments/files/112/348/133/034/044/244/original/bcc24b5605ae1a06.jpg

2024-04-28 04:44:04

#RISCV Extension for Sstc (Supervisor-Mode Timer Interrupts) ... Now supported by Apache #NuttX RTOS 🎉
Source: https://github.com/apache/nuttx/pull/12178
https://media.social.qoto.org/media_attachments/files/112/346/545/645/633/804/original/5e303b791b17d391.jpg

2024-04-28 03:07:47

Here's how we boot #RISCV Milk-V Duo S over TFTP ... Thanks to U-Boot Bootloader 👍
Source: https://github.com/lupyuen/nuttx-sg2000#boot-milk-v-duo-s-over-tftp
https://media.social.qoto.org/media_attachments/files/112/346/167/052/334/503/original/bb37f41f4da3d974.jpg

2024-04-28 01:26:39

#RustLang Apps run OK on #Ox64 BL808 #RISCV SBC ... With Apache #NuttX RTOS! 🎉
Source: https://github.com/lupyuen/nuttx-rust-app#rust-apps-on-ox64-bl808-sbc
https://media.social.qoto.org/media_attachments/files/112/345/769/274/389/069/original/70e5da0e2b3a5e42.jpg

2024-04-27 17:07:31

#Xiaomi EV Factory
https://youtube.com/watch?v=yezR-mH12xs

2024-04-27 16:31:06

#Linux boots OK on #RISCV Milk-V Duo S 👍 (Sophgo SG2000 / T-Head C906)
Source: https://github.com/lupyuen/nuttx-sg2000
https://media.social.qoto.org/media_attachments/files/112/343/663/520/368/973/original/7bd673f3bf9f808d.jpg

2024-04-27 12:08:31

#RISCV Sophgo SG2000 SoC: Reference Manual (T-Head C906 / Milk-V Duo S)
https://github.com/sophgo/sophgo-doc/releases

2024-04-27 12:03:31

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Try our demo of Tiny C Compiler in #WebAssembly ... Which will compile and run Apache #NuttX Apps!
Article: https://lupyuen.codeberg.page/articles/romfs.html#c-compiler-in-our-web-browser
https://media.social.qoto.org/media_attachments/files/112/342/611/408/995/910/original/640c1098d45aaa13.jpg

2024-04-27 04:21:48

"Neil deGrasse Tyson explains the Three-Body Problem"
https://youtube.com/watch?v=6GfIDwwxfsM

2024-04-26 17:26:43

#RustLang Apps for #QEMU #RISCV ... We'll target riscv64gc (not riscv64i) on Apache #NuttX RTOS
Source: https://github.com/lupyuen/nuttx-rust-app#change-riscv64i-to-riscv64gc
https://media.social.qoto.org/media_attachments/files/112/338/219/871/157/505/original/c9f4146d58b61e86.jpg

2024-04-26 10:55:38

Tiny C Compiler runs in #WebAssembly but it's missing C Header Files ... Let's add the ROM FS Filesystem from Apache #NuttX RTOS ... With a little help from #ZigLang Compiler
Article: https://lupyuen.codeberg.page/articles/romfs.html
https://media.social.qoto.org/media_attachments/files/112/336/682/032/695/663/original/f493a5cc3ec88725.jpg

2024-04-26 10:27:16

Debian #Linux Image for #RISCV SG200x boards: Milk-V Duo256M / Duo S, Sipeed LicheeRV Nano
https://github.com/Fishwaldo/sophgo-sg200x-debian

2024-04-26 08:12:29

It's alive! Milk-V Duo S with #RISCV SG2000 ... USB UART Dongle must be CP2102, it doesn't like CH340G 😬
Source: https://github.com/lupyuen/nuttx-sg2000
https://media.social.qoto.org/media_attachments/files/112/336/039/280/121/314/original/e40096361a481c99.jpg

2024-04-26 03:10:22

"we’ve transferred over 240 projects, standards, drivers, and libraries — #HomeAssistant, #ESPHome, Zigpy, Piper, Improv Wi-Fi, Wyoming ... to the Open Home Foundation"
https://www.openhomefoundation.org/blog/announcing-the-open-home-foundation/

2024-04-26 03:08:23

"#TSMC had found the U.S. a challenging environment to operate in because of ... a workforce less used to the long hours that are commonplace at TSMC in Taiwan"
https://restofworld.org/2024/tsmc-arizona-expansion/

2024-04-26 02:30:42

Neural Networks on #RISCV CH32V003
https://cpldcpu.wordpress.com/2024/04/24/implementing-neural-networks-on-the-10-cent-risc-v-mcu-without-multiplier/

2024-04-25 19:55:03

#RustLang Apps won't compile for 64-bit #RISCV on Apache #NuttX RTOS ... Let's fix this 👍
Source: https://github.com/lupyuen/nuttx-rust-app#rust-apps-wont-compile-for-qemu-risc-v-64-bit
https://media.social.qoto.org/media_attachments/files/112/333/140/684/577/307/original/b7c0c6ec5fc8f4e2.jpg

2024-04-25 16:37:58

#RISCV or Arm on the same board? That's super interesting 🤔
Source: https://milkv.io/docs/duo/getting-started/duos
https://media.social.qoto.org/media_attachments/files/112/332/365/498/776/854/original/d764ddd1b98ad7e1.jpg

2024-04-25 16:36:20

"Wireless Hacking on a $5 Budget" (#ESP32)
https://hackaday.com/2024/04/24/supercon-2023-alex-lynd-explores-mcus-in-infosec/

2024-04-25 16:36:18

#QEMU 9.0: Pi 4 support, LoongArch KVM Acceleration
https://9to5linux.com/qemu-9-0-released-with-raspberry-pi-4-support-loongarch-kvm-acceleration

2024-04-25 16:36:15

#RISCV Milk-V Duo S: "upgraded model of Duo, featuring an upgraded SG2000 main controller with a larger 512MB memory" (WI-FI 6 / BT 5)
https://milkv.io/docs/duo/getting-started/duos

2024-04-25 16:35:31

"When McKinsey Comes to Town: The hidden influence of the world’s most powerful consulting firm" - Walt Bogdanich, Michael Forsythe
https://share.libbyapp.com/title/8854221

2024-04-24 16:56:24

"Privacy Preservation in #IoT: Machine Learning Approaches"
https://share.libbyapp.com/title/8979696

2024-04-24 11:37:15

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Can we compile and test Apache #NuttX Apps in the Web Browser? Let's explore with #RISCV Tiny C Compiler, compiled to #WebAssembly with #ZigLang Compiler
https://lupyuen.codeberg.page/articles/tcc.html

2024-04-24 05:15:17

Espressif snaps up a "Majority Stake" in Internet of Things specialist M5Stack (#ESP32)
https://www.hackster.io/news/espressif-snaps-up-a-majority-stake-in-internet-of-things-specialist-m5stack-7b30cea08feb

2024-04-24 03:43:02

#RISCV SOPHGO SG2000 ... Will it boot Apache #NuttX RTOS? 🤔 (T-Head C906)
Source: https://www.cnx-software.com/2024/02/07/sophgo-sg2000-sg2002-ai-soc-features-risc-v-arm-8051-cores-android-linux-freertos/
https://media.social.qoto.org/media_attachments/files/112/323/656/436/676/231/original/bc37f969d0f157bb.jpg

2024-04-23 10:55:33

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Tiny C Compiler might mash up the #RISCV Registers ... Here's the workaround for Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/tcc.html#appendix-nuttx-system-call
https://media.social.qoto.org/media_attachments/files/112/319/694/754/073/546/original/a3adeb73b30805ef.jpg

2024-04-22 16:58:45

"The Heroic Heart: Awakening Unbound Compassion" by Jetsunma Tenzin Palmo
https://share.libbyapp.com/title/8916690

2024-04-22 03:22:35

Rockchip RK3588 NPU: Open-source driver performs Object Detection at 30 FPS
https://www.cnx-software.com/2024/04/21/rockchip-rk3588-npu-open-source-driver-object-detection30-fps/

2024-04-21 03:27:56

Our #RustLang App compiles for Software Floating-Point, but Apache #NuttX RTOS expects Hardware Floating-Point ... Let's fix this with a Rust Custom Target for QEMU #RISCV
https://lupyuen.codeberg.page/articles/rust4.html

2024-04-20 13:27:47

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Running Tiny C Compiler in the Web Browser ... Thanks to #WebAssembly and a little JavaScript
Article: https://lupyuen.codeberg.page/articles/tcc.html#appendix-javascript-calls-tcc
https://media.social.qoto.org/media_attachments/files/112/303/306/501/299/210/original/39f45e160cefab85.jpg

2024-04-20 08:56:48

#Meshtastic: Real World Use Cases (#LoRa)
https://meshtastic.discourse.group/t/real-world-use-cases/175/23

2024-04-20 08:55:25

Nand to Tetris: "teach applied Computer Science by building a general-purpose computer system—hardware and software—from the ground up"
https://cacm.acm.org/research/nand-to-tetris-building-a-modern-computer-system-from-first-principles/

2024-04-20 06:55:51

Ethics of Advanced AI Assistants: "This paper focuses on the opportunities and the Ethical and Societal Risks posed by advanced AI Assistants"
https://deepmind.google/discover/blog/the-ethics-of-advanced-ai-assistants/

2024-04-19 14:22:32

"Silent Spring" by Rachel Carson
https://share.libbyapp.com/title/5259446

2024-04-19 10:53:39

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How we run #ZigLang Compiler to compile Tiny C Compiler from C to #WebAssembly
Article: https://lupyuen.codeberg.page/articles/tcc.html#appendix-compile-tcc-with-zig
https://media.social.qoto.org/media_attachments/files/112/297/038/073/188/197/original/d30f1b4113cf13c6.jpg

2024-04-19 06:07:50

py2wasm: "converts your #Python programs to #WebAssembly, running them at 3x faster speeds"
https://wasmer.io/posts/py2wasm-a-python-to-wasm-compiler

2024-04-18 10:52:02

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Here's how we make a #RISCV System Call to Apache #NuttX Kernel ... With some quirks on Tiny C Compiler
Article: https://lupyuen.codeberg.page/articles/tcc.html#hello-nuttx
https://media.social.qoto.org/media_attachments/files/112/291/369/422/449/078/original/a4f8ca18ecd6cb99.jpg

2024-04-18 02:34:17

"AI-generated and assisted code contributions are no longer allowed in the Gentoo #Linux distribution"
https://www.theregister.com/2024/04/16/gentoo_linux_ai_ban/

2024-04-18 02:33:12

Apache #NuttX Workshop: Registration for In-Person Attendance
13-14 Jun, Sony Office, Tokyo
https://events.nuttx.apache.org/

2024-04-18 02:29:17

Untethered Ultra-Wideband-based Real-Time Locating System for Road-Worker Safety: "Our proposal is especially interesting for maintenance works of Roads and Railways, but it could also be used for any Construction Site where a safe working environment has to be delimited with Cones" (#UWB)
https://www.mdpi.com/1424-8220/24/8/2391

2024-04-17 17:36:08

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Tiny C Compiler in #WebAssembly has compiled our C Program to #RISCV ... But it won't run on Apache #NuttX RTOS because the C Library is missing!
Article: https://lupyuen.codeberg.page/articles/tcc.html#test-with-apache-nuttx-rtos
https://media.social.qoto.org/media_attachments/files/112/287/296/124/521/854/original/5b201fa402e04700.jpg

2024-04-17 07:10:31

#RustLang Apps won't build correctly for Apache #NuttX RTOS ... Unless we create a Custom Rust Target for QEMU #RISCV
Source: https://github.com/lupyuen/nuttx-rust-app#rust-custom-target-for-qemu-risc-v-on-apache-nuttx-rtos
https://media.social.qoto.org/media_attachments/files/112/284/836/079/889/017/original/5e595f715ff90df2.jpg

2024-04-16 18:09:21

"As Equals: The Oei Women of Java" (Oei Tiong Ham's wives and daughters)
https://share.libbyapp.com/title/10289749

2024-04-16 11:19:28

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Implementing fprintf() in #ZigLang is particularly problematic ... Here's a quick hack with Zig CompTime
Article: https://lupyuen.codeberg.page/articles/tcc.html#fearsome-fprintf-and-friends
https://media.social.qoto.org/media_attachments/files/112/280/152/623/960/576/original/a9c3d701cfb3d93d.jpg

2024-04-16 07:47:45

Creating a #RustLang Custom Target for QEMU #RISCV ... So Rust Apps will build OK for Apache #NuttX RTOS
Source: https://github.com/lupyuen/nuttx-rust-app#rust-custom-target-for-qemu-risc-v-on-apache-nuttx-rtos
https://media.social.qoto.org/media_attachments/files/112/279/320/229/721/939/original/d1a0393079284871.jpg

2024-04-16 06:25:29

"The mysterious object that crashed through the roof of a Florida home ... was part of a Cargo Pallet packed with 5,800 pounds (2,630 kilograms) of aging batteries jettisoned from the ISS"
https://www.space.com/object-crash-florida-home-iss-space-junk-nasa-confirms

2024-04-16 06:20:27

"Global Smartphone shipments increased 7.8 per cent ... with #Samsung, at 20.8 per cent market share, clinching the top phonemaker spot from #Apple"
https://www.businesstimes.com.sg/companies-markets/telcos-media-tech/apple-s-iphone-shipments-plunge-10-android-rivals-rise

2024-04-16 05:27:04

Suspicious Patterns in #OpenSource Social Engineering Takeovers
https://openssf.org/blog/2024/04/15/open-source-security-openssf-and-openjs-foundations-issue-alert-for-social-engineering-takeovers-of-open-source-projects/

2024-04-16 05:25:53

"We can use AI / ML as part of making the #Fedora Linux OS. New tools could help with Package Automation and Bug Triage"
https://communityblog.fedoraproject.org/strategy-2028-april-2024-update/

2024-04-16 04:33:37

ezrknpu: Easy usage of Rockchip RK3588 NPU (#LLM)
https://github.com/Pelochus/ezrknpu

2024-04-16 04:32:07

"I've been experimenting with #LoRa as implemented by the #Meshtastic project" (#ESP32)
https://blog.puddle.town/meshtastic/

2024-04-15 15:37:32

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Our #ZigLang Wrapper emulates File Access for Tiny C Compiler in #WebAssembly
Article: https://lupyuen.codeberg.page/articles/tcc.html#file-input-and-output
https://media.social.qoto.org/media_attachments/files/112/275/504/718/551/285/original/9919734252546726.jpg

2024-04-15 09:57:18

Dark Patterns: "Why Big Tech companies suck right now ... Amazon, Netflix, Uber, Spotify, Facebook, Snapchat, Instagram, TikTok, YouTube"
https://youtu.be/wVYG1mu8Lg8

2024-04-15 09:17:52

Erg: Statically-Typed language compatible with #Python
https://github.com/erg-lang/erg

2024-04-15 08:31:12

Apple Vision Pro: Mysterious Fisheye Projection
https://blog.mikeswanson.com/post/747761863530528768/apples-mysterious-fisheye-projection

2024-04-15 08:18:22

#ESP32-H4: Dual-core #RISCV with 802.15.4 and Bluetooth 5.4 LE
https://www.cnx-software.com/2024/04/15/esp32-h4-low-power-risc-v-soc-802-15-4-bluetooth-5-4-le/

2024-04-14 11:51:32

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Tiny C Compiler won't run in #WebAssembly because it calls POSIX Functions ... So we emulate them in #ZigLang
Article: https://lupyuen.codeberg.page/articles/tcc.html#posix-for-webassembly
https://media.social.qoto.org/media_attachments/files/112/268/954/214/910/671/original/45f4fa66d7873b47.jpg

2024-04-13 11:35:57

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How we compile Tiny C Compiler to #WebAssembly ... With #ZigLang Compiler
Article: https://lupyuen.codeberg.page/articles/tcc.html#zig-compiles-tcc-to-webassembly
https://media.social.qoto.org/media_attachments/files/112/263/230/585/156/855/original/0bf76741512406b3.jpg

2024-04-12 11:56:27

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Here's our demo of Tiny C Compiler running in the Web Browser ... Thanks to #WebAssembly and #ZigLang Compiler
Article: https://lupyuen.codeberg.page/articles/tcc.html#tcc-in-the-web-browser
https://media.social.qoto.org/media_attachments/files/112/257/648/890/099/856/original/e4d725eeb546bd8a.jpg

2024-04-11 14:35:07

Can we compile and test Apache #NuttX Apps in the Web Browser? Let's explore with TCC #RISCV Compiler, compiled to #WebAssembly with #ZigLang Compiler
Article: https://lupyuen.codeberg.page/articles/tcc.html
https://media.social.qoto.org/media_attachments/files/112/252/610/492/170/270/original/ccd4c7be0d7bcc48.jpg

2024-04-06 06:33:21

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@npub1alh…3sw3 Sophons, I think 🤔

2024-04-06 05:18:17

Voyager 1: "a single chip responsible for storing part of the affected portion of the FDS memory isn't working ... the chip could have been hit by an energetic particle from space or that it simply may have worn out after 46 years"
https://www.livescience.com/space/space-exploration/nasa-engineers-discover-why-voyager-1-is-sending-a-stream-of-gibberish-from-outside-our-solar-system

2024-03-18 06:30:16

#RISCV "Wait for Interrupt instruction (WFI) provides a hint to the implementation that the current hart can be stalled until an interrupt ... so a legal implementation is to simply implement WFI as a NOP" 🤔
Source: https://github.com/riscv/riscv-isa-manual/releases/download/Priv-v1.12/riscv-privileged-20211203.pdf
https://media.social.qoto.org/media_attachments/files/112/115/044/269/163/490/original/ab03d4559c94b537.png

2024-03-16 15:30:44

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Let's install TinyEMU #RISCV Emulator ... And tweak it to emulate #Ox64 BL808 SBC
Article: https://lupyuen.codeberg.page/articles/tinyemu2.html#install-tinyemu-emulator
https://media.social.qoto.org/media_attachments/files/112/105/845/040/425/432/original/ad761e88f423e734.jpg

2024-03-16 03:49:46

🤔 "Summarise the discussion on #RustLang in #NuttX"
https://media.social.qoto.org/media_attachments/files/112/103/088/791/292/472/original/c239077650c0f73c.jpg

2024-03-15 13:02:45

Let's create a barebones @npub1kcy…fzfa #Ox64 BL808 Emulator that runs in the Web Browser ... By tweaking TinyEMU #RISCV Emulator and booting Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/tinyemu2
https://media.social.qoto.org/media_attachments/files/112/099/600/055/134/146/original/fbdf5534c299821b.jpg

2024-03-14 01:53:48

#FreeBSD Userland: The Case for #RustLang
https://forums.freebsd.org/threads/the-case-for-rust-in-the-base-system.92024/

2024-03-12 16:03:10

"The Rise and Fall of the EAST: How Exams, Autocracy, Stability, and Technology brought China success" by Yasheng Huang
https://share.libbyapp.com/title/10056293

2024-03-12 12:29:23

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Apache #NuttX RTOS talks to #VirtIO Devices ... By calling #OpenAMP Library
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#nuttx-with-virtio-and-openamp
https://media.social.qoto.org/media_attachments/files/112/082/482/445/120/808/original/f9bec5ed9a303bc5.jpg

2024-03-12 12:27:00

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Apache #NuttX RTOS talks to VirtIO #Devices ... By calling #OpenAMP Library
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#nuttx-with-virtio-and-openamp
https://media.social.qoto.org/media_attachments/files/112/082/473/379/250/417/original/0271818dbd4be561.jpg

2024-03-11 13:42:53

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TinyEMU #RISCV Emulator supports #VirtIO Console ... Let's call it with Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#virtio-console
https://media.social.qoto.org/media_attachments/files/112/077/109/370/777/748/original/82818ebba0d17ac0.jpg

2024-03-10 13:14:28

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Apache #NuttX RTOS boots in a Web Browser ... Thanks to TinyEMU #RISCV Emulator
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#boot-nuttx-in-web-browser
https://media.social.qoto.org/media_attachments/files/112/071/335/308/767/605/original/fdb3f82bb5bb5ac2.jpg

2024-03-10 12:39:39

🤔 "Why would any sane CS Grad switch to Engineering to do #Embedded Systems? ... I don't get how working with obsolete machines is anymore useful to learning how modern computers work than actually working on modern machines"
https://media.social.qoto.org/media_attachments/files/112/071/198/333/955/138/original/1bda43db57dc74e7.jpg

2024-03-09 14:21:06

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Let's create a UART Driver for TinyEMU #RISCV Emulator on Apache #NuttX RTOS
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#uart-driver-for-tinyemu
https://media.social.qoto.org/media_attachments/files/112/065/935/079/024/505/original/5e80a67923d331c8.jpg

2024-03-08 15:13:24

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Is Apache #NuttX RTOS alive on #TinyEMU Emulator? Let's print something in #RISCV Assembly
Article: https://lupyuen.codeberg.page/articles/tinyemu.html#print-in-risc-v-assembly
https://media.social.qoto.org/media_attachments/files/112/060/478/348/888/622/original/921b6244d2b3f679.jpg