Lup Yuen Lee 李立源 @lupyuen@qoto.org

#LoRaWAN needs Real Time Clock and Non-Volatile Memory ... Now porting to Apache #NuttX OS 🤔

https://github.com/lupyuen/LoRaMac-node-nuttx

What's next for Apache #NuttX OS ... LoRaWAN!

https://lupyuen.github.io/articles/sx1262?29#whats-next

#LoRaWAN on Apache #NuttX OS ... Porting in progress 👍

https://github.com/lupyuen/LoRaMac-node-nuttx

Semtech's Reference Driver for #LoRa SX1262 ... Everything inside is explained here

https://lupyuen.github.io/articles/sx1262?27#appendix-radio-functions

Porting #LoRaWAN to Apache #NuttX OS ... Might have interesting challenges 🤔

https://lupyuen.github.io/articles/sx1262?28#notes

Multithreading will be needed for our #NuttX #LoRa and LoRaWAN Drivers ... Which we'll implement with NimBLE Porting Layer

https://lupyuen.github.io/articles/sx1262?26#multithreading-with-nimble-porting-layer

Our #NuttX SX1262 Library shall handle GPIO Interrupts someday

https://lupyuen.github.io/articles/sx1262?25#gpio-interface

Here's the SPI Data transferred by #NuttX to #LoRa SX1262

https://lupyuen.github.io/articles/sx1262?24#spi-in-action

Our #NuttX SX1262 Library transfers SPI Data by calling the SPI Test Driver

https://lupyuen.github.io/articles/sx1262?23#transfer-spi

How our #NuttX SX1262 Library inits the SPI Bus

https://lupyuen.github.io/articles/sx1262?22#initialise-spi

Our #NuttX SX1262 Library works OK for receiving #LoRa Messages! 🎉

https://lupyuen.github.io/articles/sx1262?20#run-the-firmware-2

Calling our #NuttX SX1262 Library to receive a #LoRa Message

https://lupyuen.github.io/articles/sx1262?19#receive-lora-message

Troubleshooting our #NuttX #LoRa Library with a Software Defined Radio

https://lupyuen.github.io/articles/sx1262?18#spectrum-analysis-with-sdr

Our #NuttX SX1262 Library transmits #LoRa Messages correctly! 🎉

https://lupyuen.github.io/articles/sx1262?17#run-the-firmware-1

Here's how we send a #LoRa Message on #NuttX OS

https://lupyuen.github.io/articles/sx1262?16#transmit-lora-message

Setting the #LoRa Parameters for #NuttX OS

https://lupyuen.github.io/articles/sx1262?15#lora-parameters

Our #NuttX #LoRa Library has layers ... Like Shrek 😂

https://lupyuen.github.io/articles/sx1262?12#source-files

Yep our #NuttX #LoRa Library reads the SX1262 Registers OK! 🎉

https://lupyuen.github.io/articles/sx1262?11#run-the-firmware

Building our #NuttX Firmware for #LoRa SX1262

https://lupyuen.github.io/articles/sx1262?10#build-the-firmware

How we call our #NuttX #LoRa Library ... To read the SX1262 Registers

https://lupyuen.github.io/articles/sx1262?9#read-sx1262-registers