Lup Yuen Lee 李立源 @lupyuen@qoto.org

Shared SPI Bus works OK on #PineDio Stack #BL604 ... While #NuttX swaps MISO and MOSI on the fly! 🎉

https://lupyuen.github.io/articles/pinedio2?16#test-shared-spi-bus

How we flip MISO or MOSI as the ST7789 Data / Command Pin ... For #NuttX on #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?15#spi-command--data

#NuttX handles the Shared SPI Bus on #PineDio Stack #BL604 ... By looking up the SPI Device Table

https://lupyuen.github.io/articles/pinedio2?12#select--deselect-spi-device

Pin Definitions for #PineDio Stack #BL604 on Apache #NuttX RTOS

https://lupyuen.github.io/articles/pinedio2?11#pin-definitions

Swapping SPI MISO and MOSI on the fly ... Because ST7789 is wired "backwards" on #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?10#swap-miso--mosi

#PineDio Stack #BL604 connects ST7789 Display, LoRa SX1262 and SPI Flash to a Shared SPI Bus ... Here's how we modded #NuttX RTOS to support this

https://lupyuen.github.io/articles/pinedio2?9#appendix-shared-spi-bus

#NuttX Apps bundled with #PineDio Stack #BL604 ... Includes BASIC Interpreter!

https://lupyuen.github.io/articles/pinedio2?8#more-apps

Mickey Mouse eats Pork, Beef or Mutton Satay 🤔

https://en.m.wikipedia.org/wiki/Satay

Rendering our own text and graphics with #LVGL on #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?7#nuttx-apps

Apache #NuttX RTOS boots with a Pink Screen on #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?6#boot-pinedio-stack

How we flash Apache #NuttX RTOS to #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?5#flash-pinedio-stack

Unwrapping #PineDio Stack #BL604 @PINE64

https://lupyuen.github.io/articles/pinedio2?4#prepare-pinedio-stack

Here's how we build Apache #NuttX RTOS for #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?3#build-nuttx

Fun Experiments with Apache #NuttX RTOS ... On #PineDio Stack #BL604

https://lupyuen.github.io/articles/pinedio2?2#what-is-nuttx

Running Apache #NuttX RTOS on #PineDio Stack #BL604 @PINE64 ... All shall be explained in this article

https://lupyuen.github.io/articles/pinedio2?1

#PineDio Stack #BL604: Flashing Mode vs Normal Mode ... Maybe we can improve this 🤔

https://github.com/lupyuen/pinedio-stack-nuttx

#PineDio Stack #BL604 Self-Test

https://github.com/lupyuen/pinedio-stack-nuttx

Inside #PineDio Stack #BL604 @PINE64

https://github.com/lupyuen/pinedio-stack-nuttx

Optimising my Power Consumption

🤔

#LVGL Canvas can render fancy graphics on #PineDio Stack #BL604 @PINE64 ! But be careful: It might need a lot of RAM

https://github.com/lupyuen/pinedio-stack-nuttx#lvgl-test-app