Lup Yuen Lee 李立源 @lupyuen@qoto.org

#NuttX Libraries ... Interesting 🤔

https://github.com/apache/incubator-nuttx/tree/master/libs

GitHub Wrapped: Your coding year in review

https://www.githubwrapped.com/

What's next for #NuttX OS on #BL602 ... LoRaWAN and RustLang!

https://lupyuen.github.io/articles/spi2?36#whats-next

Here's why we're migrating from #BL602 IoT SDK to Apache #NuttX OS 👍

https://lupyuen.github.io/articles/spi2?35#notes

Swapping MISO and MOSI on #BL602 ... PR has been submitted to Apache #NuttX OS 🙏

https://github.com/apache/incubator-nuttx/pull/4984

#BL602 MISO and MOSI are swapped ... Will submit a PR for #NuttX OS 👍

https://lupyuen.github.io/articles/spi2?32#appendix-miso-and-mosi-are-swapped

What's inside the SPI Interface on #NuttX OS

https://lupyuen.github.io/articles/spi2?34#appendix-nuttx-spi-interface

Be careful with SPI Chip Select! 🙏

https://lupyuen.github.io/articles/spi2?33#chip-select

#BL602's SPI Mode has an odd quirk ... Here's the workaround for #NuttX OS

https://lupyuen.github.io/articles/spi2?31#appendix-spi-mode-quirk

Yep Apache #NuttX OS works great on #PineDio Stack BL604! 🎉

https://lupyuen.github.io/articles/spi2?30#run-nuttx-on-pinedio-stack

How SX1262 #LoRa Transceiver is wired up on #PineDio Stack BL604

https://lupyuen.github.io/articles/spi2?29#pin-definitions

Testing Apache #NuttX OS on #PineDio Stack BL604 @PINE64

https://lupyuen.github.io/articles/spi2?28#test-with-pinedio-stack

#BL602 #NuttX tested OK with Semtech SX1262

https://lupyuen.github.io/articles/spi2?27#test-sx1262

How we connect Semtech SX1262 to #BL602 and #ESP32

https://lupyuen.github.io/articles/spi2?26#connect-sx1262

Testing #NuttX on #BL602 and #ESP32 with Semtech SX1262

https://lupyuen.github.io/articles/spi2?25#test-with-semtech-sx1262

Controlling SPI Chip Select with GPIO Output on #NuttX

https://lupyuen.github.io/articles/spi2?24#gpio-output-as-chip-select

Here's why we control SPI Chip Select ourselves on #NuttX

https://lupyuen.github.io/articles/spi2?23#control-chip-select-with-gpio

How we test #NuttX SPI with a Logic Analyser

https://lupyuen.github.io/articles/spi2?22#test-with-logic-analyser

Running our #NuttX App to transmit and receive data over SPI

https://lupyuen.github.io/articles/spi2?21#run-the-spi-test-app

How our #NuttX App transfers data over SPI

https://lupyuen.github.io/articles/spi2?20#inside-the-spi-test-app