Lup Yuen Lee 李立源 @lupyuen@qoto.org

"How Can We Get​ Blockchains to Talk to Each Other?"

https://spectrum.ieee.org/blockchain-interoperability

"#PinePhone Pro and PineNote now shipping to developers"

https://liliputing.com/2021/12/pinephone-pro-and-pinenote-now-shipping-to-developers.html

"Create beautiful artworks using Al"

https://app.wombo.art/

State of the Open Mainframe 2021 (#Linux)

https://www.linux.com/news/state-of-the-open-mainframe-2021/

Hubris and Humility: Developing an OS for robustness in #RustLang

https://talks.osfc.io/osfc2021/talk/JTWYEH/

Our #NuttX App runs OK on PineDio Stack BL604 with onboard SX1262! 🎉

https://github.com/lupyuen/incubator-nuttx-apps/blob/spi_test/examples/spi_test2/spi_test2_main.c

"Why Indian-born CEOs dominate Silicon Valley"

https://www.bbc.com/news/world-asia-india-59457015

Here are the #NuttX Pin Definitions for PineDio Stack BL604 with onboard SX1262 ... As derived from the schematic

https://github.com/lupyuen/incubator-nuttx/blob/pinedio/boards/risc-v/bl602/bl602evb/include/board.h#L42-L95

Here's how Semtech SX1262 is wired onboard #PineDio Stack #BL604 ... Let's update the Pin Definitions in NuttX

Will #NuttX run on #Pine64's PineDio Stack BL604 with onboard Semtech SX1262? Let's find out!

https://lupyuen.github.io/articles/pinedio

Our #NuttX App now reads the SX1262 Register correctly! 🎉

https://github.com/lupyuen/incubator-nuttx-apps/blob/spi_test/examples/spi_test2/spi_test2_main.c

@captain_morgan Yep there's a huge NuttX community on ESP32 ... You should try it! 👍 Thanks to NuttX I made some friends at Espressif too 🙂

BL602 vs ESP32 🤔

For #NuttX on #BL602, we use SPI Mode 1 instead of Mode 0 ... To work around the SPI Mode Quirk

https://github.com/lupyuen/incubator-nuttx/blob/spi_test/drivers/rf/spi_test_driver.c#L51-L57

Let's use an NB-IoT Antenna ... As the #LoRa Antenna for #PineDio Stack BL604 @PINE64 ... For now

https://lupyuen.github.io/articles/pinedio

"World's Tastiest Dumplings"

https://www.cnn.com/travel/article/dumplings-worlds-best-35/index.html