Lup Yuen Lee 李立源 @lupyuen@qoto.org
- Pronouns/Gender/Sexuality
- He/Him/They, Bisexual/Asexual 🇸🇬
- Date of Birth
- 1969
- Articles
- https://lupyuen.org
IoT Techie and Educator / Apache NuttX PMC
Joined Jan 2020
CERBERUS 2100: "open source hardware and software educational multi-processor eight-bit computer, featuring both Z80 and 6502 CPUs"
Usborne Computer Books from 1980s (Free PDF)
Adding ioctl() to #QuickJS JavaScript Engine ... So we can control #NuttX Devices
Source: https://github.com/lupyuen/quickjs-nuttx#add-ioctl-to-quickjs-for-nuttx
#QuickJS calls POSIX open() on Apache #NuttX RTOS 🎉 ... Up Next: Adding ioctl() to control NuttX Devices
Source: https://github.com/lupyuen/quickjs-nuttx#quickjs-calls-posix-open-on-nuttx
#QuickJS JavaScript Engine runs OK on Apache #NuttX RTOS for QEMU #RISCV 🎉 ... Remember to increase the NuttX Stack Size 👍
Source: https://github.com/lupyuen/quickjs-nuttx#nuttx-stack-is-full-of-quickjs
"Notebooks of a Wandering Monk" by Matthieu Ricard
#QuickJS on Apache #NuttX RTOS ... Hitting unexpected Sentinel Values 🤔
Source: https://github.com/lupyuen/quickjs-nuttx#atom-sentinel-becomes-0xffff_ffff
"Expect" Script for repeatedly testing QuickJS on Apache #NuttX (QEMU) ... Super efficient 👍
Source: https://github.com/lupyuen/quickjs-nuttx/blob/master/nuttx/qemu.exp
Lup Yuen Lee 李立源
boosted
Yes and No. If you have lived in China, you must have noticed the lack of honorable business practices and precision. So for every pearl of excellence there are a dozen scoundrels trying to ride on that success, and it creates an enormous downward pull on those.
We can already see a higher frequency of microcontroller "bugs" in silicon. GigaDevices GD32 cloning of STM32 has plenty of mistakes in them, much higher than ST. And that is with IP purchased from ARM.
Chimera #Linux: LLVM / Clang can work fine as a GCC Replacement
"when I see #Mozilla Corp's CEO Mitchell Baker stepping down, I wonder if it's really because she'll be more useful devoting all her time to the foundation than overseeing #Firefox's decline into a web browser afterthought"
https://www.theregister.com/2024/02/09/opinion_column_mozilla_ceo_quits/
Integer Wraparound in #Linux Kernel
Lup Yuen Lee 李立源
boosted
@lupyuen Someone tested this against a Tesla and it wouldn't even unlock the doors.
Lup Yuen Lee 李立源
boosted
@lupyuen "car theft" is the latest conservative crime fearmonger to avoid talking about real issues in the country. it's a total non-issue
"The global Semiconductor industry saw its sales dropped around $47 billion to nearly $527 billion in 2023 ... a sharp downturn from the record 2022"
https://www.anandtech.com/show/21262/global-semiconductor-sales-hit-5268-billion-in-2023
"Canada to ban Flipper Zero devices over Car Thefts ... However, Flipper Devices says the tool can't be used to unlock cars made in the last 30 years"
https://www.pcmag.com/news/canada-to-ban-flipper-zero-devices-over-car-thefts
LicheeRV Nano: Low-cost #RISCV C906 Camera and Display
- Pronouns/Gender/Sexuality
- He/Him/They, Bisexual/Asexual 🇸🇬
- Date of Birth
- 1969
- Articles
- https://lupyuen.org
IoT Techie and Educator / Apache NuttX PMC
Joined Jan 2020
