Lup Yuen Lee 李立源 @lupyuen@qoto.org

Apache #NuttX RTOS for #PinePhone ... What is it? How will we use it? All shall be explained here

Article: https://lupyuen.github.io/articles/what?1

Up Next: Apache #NuttX Touch Panel Driver for #PinePhone

Article: https://lupyuen.github.io/articles/fb?15#whats-next

Temp Fix for missing #PinePhone Pixels on #NuttX: Copy the RAM Framebuffer to itself ... Perm Fix: Flush the CPU Cache

Article: https://lupyuen.github.io/articles/fb?12#fix-missing-pixels

#PinePhone Pixels mysteriously missing on #NuttX RTOS ... But we have a temp workaround

Article: https://lupyuen.github.io/articles/fb?11#mystery-of-the-missing-pixels

Our #NuttX Framebuffer for #PinePhone supports these operations

Article: https://lupyuen.github.io/articles/fb?10#framebuffer-operations

Interesting book on RTOS ... Pricey though 🤔

What's inside our #NuttX Framebuffer Driver for #PinePhone

Article: https://lupyuen.github.io/articles/fb?8#pinephone-framebuffer-driver

Rendering graphics with #LVGL on #PinePhone ... With Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/fb?7#lvgl-graphics-library

Hacker News solved the Mystery of the Missing #PinePhone Pixels 🤔

Source: https://news.ycombinator.com/item?id=34186806

Let's render some Colour Blocks in our #NuttX Framebuffer for #PinePhone

Article: https://lupyuen.github.io/articles/fb?4#render-blocks

#PinePhone pixels are in 32-bit ARGB 8888 format

Article: https://lupyuen.github.io/articles/fb?3#render-grey-screen

Blasting Pixels to #PinePhone Framebuffer ... On Apache #NuttX RTOS

Article: https://lupyuen.github.io/articles/fb?3#render-grey-screen

Apache #NuttX Apps render graphics by calling the Framebuffer Interface

Article: https://lupyuen.github.io/articles/fb?2#framebuffer-interface

Apache #NuttX RTOS comes with a Framebuffer App that runs on #PinePhone

Article: https://lupyuen.github.io/articles/fb?2#framebuffer-demo

How will Apache #NuttX Apps render graphics on #PinePhone? What's inside the Framebuffer Driver for PinePhone? All shall be explained in this article

Article: https://lupyuen.github.io/articles/fb?1

LVGL on Apache #NuttX RTOS on #PinePhone 🤩 ... No touch input yet 😬

Source: https://github.com/lupyuen/pinephone-nuttx#lvgl-on-nuttx-on-pinephone

Bedtime Reading ... NXP i.MX8 Reference Manual

#BL602 FCC Antenna Test Report

https://fccid.io/2A9HW-BL602/Test-Report/Antenna-specifications-6296449

Fixed #PinePhone's Framebuffer for Apache #NuttX RTOS ... By copying the RAM Framebuffer to itself 🤔

Source: https://github.com/lupyuen/pinephone-nuttx#fix-missing-pixels-in-pinephone-image

Missing #PinePhone pixels are appearing in a curious pattern ... Gotta fix this lag in our Apache #NuttX Framebuffer 🤔

Source: https://github.com/lupyuen/pinephone-nuttx#missing-pixels-in-pinephone-image