Lup Yuen Lee 李立源 @lupyuen@qoto.org

Experimenting with I2C on #PinePhone

https://dev.to/pcvonz/i-c-on-the-pinephone-5090

Pork Mushroom Meatball Soup 🤤

https://themissinglokness.com/2017/11/01/moms-pork-meatball-spinach-soup/

Time to do some #LoRa coding on #PinePhone!

https://www.reddit.com/r/PINE64official/comments/qhiuer/build_a_linux_driver_for_pinedio_lora_sx1262_usb/?utm_medium=android_app&utm_source=share

What's Next for #PineDio USB Dongle: LoRaWAN, LoRa Mesh, PinePhone, ...

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

Receiving #LoRa Messages in a Background Thread ... With NimBLE Porting Layer

https://lupyuen.github.io/articles/usb?28#multithreading-with-nimble-porting-layer

#PineDio USB Dongle also controls #LoRa SX1262 over GPIO

https://lupyuen.github.io/articles/usb?27#ch341-gpio-interface

Do we need Long #LoRa Messages on #PineDio USB Dongle? Maybe not!

https://lupyuen.github.io/articles/usb?26#fix-long-messages

Fixing Long #LoRa Messages on #PineDio USB Dongle ... By transferring smaller chunks over SPI

https://lupyuen.github.io/articles/usb?25#fix-long-messages

Aha! SPI Transfers of 32 bytes (or more) will fail on the CH341 SPI Driver!

https://lupyuen.github.io/articles/usb?24#spi-transfer-fails-with-32-bytes

Tracing the #PineDio USB Driver ... To uncover why it garbles Long #LoRa Messages

https://lupyuen.github.io/articles/usb?23#transmit-long-message

Long #LoRa Messages are garbled on #PineDio USB Dongle ... Let's solve the mystery

https://lupyuen.github.io/articles/usb?22#long-messages-are-garbled

Transferring SPI Data with #CH341 SPI Driver ... On #PineDio USB Dongle

https://lupyuen.github.io/articles/usb?21#transfer-spi

How we init the #CH341 SPI Driver on #PineDio USB Dongle

https://lupyuen.github.io/articles/usb?20#initialise-spi

#PineDio USB Dongle uses a CH341 USB Interface Module ... To talk to #LoRa SX1262 (over SPI)

https://lupyuen.github.io/articles/usb?19#ch341-spi-interface

#PineDio USB Dongle receives a #LoRa Message (28 bytes) ... From RAKwireless WisBlock

https://lupyuen.github.io/articles/usb?18#run-the-driver-2

Here's how we receive a #LoRa Message on #PineDio USB Dongle

https://lupyuen.github.io/articles/usb?17#receive-lora-message

Software Defined Radios are super helpful ... For troubleshooting #LoRa Devices!

https://lupyuen.github.io/articles/usb?16#spectrum-analysis-with-sdr

#PineDio USB successfully transmits a #LoRa Message (29 bytes) to RAKwireless WisBlock

https://lupyuen.github.io/articles/usb?15#run-the-driver-1

Our #PineDio USB Driver won't transmit #LoRa Messages longer than 29 bytes ... But there's a fix for this!

https://lupyuen.github.io/articles/usb?12#transmit-lora-message

How we transmit a #LoRa Message with #PineDio USB Dongle

https://lupyuen.github.io/articles/usb?11#transmit-lora-message