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
Pine-A64-LTS on Genode OS: Device access from the user level
https://genodians.org/nfeske/2021-03-17-pine-fun-device-access
"#TraceTogether app is interfering with Bluetooth connections on my iPhone"
Inside #China’s Effort to Create a #Blockchain It Can Control
https://sg.finance.yahoo.com/news/inside-china-effort-create-blockchain-173000267.html
#Microsoft authentication issue ruined Zack Snyder's Justice League World Premiere
"Ammonite" ... Slow but interesting movie about geology and paleontology
Lup Yuen Lee 李立源
boosted
I'm by no means an expert on RISC-V genealogy, maybe @lupyuen or @vertigo is and can correct me, but my impression from WP and elsewhere is that RISC-I to RISC-II was an upgrade, but the designs after that were pretty much inspired by but not based on previous work and that's how RISC-V can be liberally licensed -- it's a spiritual descendant, not a version.
Found this cool PDF, where page 3 has a table of all the core RISC-V instructions and their equivalents in key RISC-I-inspired designs from the previous 30 years (and a mainframe from the 60s):
live-risc-v.pantheonsite.io/wp…
Found this cool PDF, where page 3 has a table of all the core RISC-V instructions and their equivalents in key RISC-I-inspired designs from the previous 30 years (and a mainframe from the 60s):
live-risc-v.pantheonsite.io/wp…
Lup Yuen Lee 李立源
boosted
And all of this emphasises what i said about the different lifespans of the technology, and the lifecycle of the related dialects of assembly. :D
Also, the arguments between the different manufacturers who produce tech that almost matches the spec, but is JUST different enough that it's easier to buy the needed tech from the original manufacturer, rather than chasing another supplier.
Try fitting a Dell Server Motherboard in any case except a Dell Server Case... :|
Lup Yuen Lee 李立源
boosted
#BL602 GPIO Interrupt triggered OK when #LoRa Packet received yay! ... But why does it work now? 🤔
https://github.com/lupyuen/bl_iot_sdk/blob/lorarecv/customer_app/sdk_app_lora/sdk_app_lora/demo.c
#PineCone #BL602 Blue LED switches off ... When #WisBlock transmits a #LoRa Packet ... So DIO0 Packet Received works! Why does the GPIO Interrupt hang? 🤔
https://github.com/lupyuen/bl_iot_sdk/tree/lorarecv/customer_app/sdk_app_lora
Something spooky about #BL602 GPIO Interrupts 🤔 ... Let's disconnect #LoRa SX1276 pins DIO1 to DIO3 ... And connect DIO0 to my fav Blue LED (GPIO 11)
https://github.com/lupyuen/bl_iot_sdk/blob/lorarecv/customer_app/sdk_app_lora
#RaspberryPi HAT that lets you develop Edge #AI Camera applications in minutes
When #WisBlock transmits #LoRa Packets ... Our #BL602 LoRa Receiver hangs! ... Let's find out why 🤔
https://github.com/lupyuen/bl_iot_sdk/blob/lorarecv/customer_app/sdk_app_lora/sdk_app_lora/demo.c
#RustLang totally_safe_transmute, line-by-line
https://blog.yossarian.net/2021/03/16/totally_safe_transmute-line-by-line
- 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
