Lup Yuen Lee 李立源 @lupyuen@qoto.org

Let's read #PinePhone's Touch Panel the proper way ... By handling Touch Input Interrupts on Apache #NuttX RTOS

Source: https://github.com/lupyuen/pinephone-nuttx#handle-interrupts-from-touch-panel

Apache #NuttX RTOS reads the Touch Coordinates correctly from #PinePhone's I2C Touch Panel! 🎉

Source: https://github.com/lupyuen/pinephone-nuttx#pinephone-touch-panel

Here's how we read the Touch Coordinates from #PinePhone's I2C Touch Panel

Source: https://github.com/lupyuen/pinephone-nuttx#pinephone-touch-panel

Apache #NuttX RTOS reads the Product ID correctly from #PinePhone's I2C Touch Panel! 🎉

Source: https://github.com/lupyuen/pinephone-nuttx#pinephone-touch-panel

Let's read the Product ID from #PinePhone's I2C Touch Panel

Source: https://github.com/lupyuen/pinephone-nuttx#pinephone-touch-panel

Hello Again, Green Android

Polling #PinePhone's I2C Touch Panel ... Here's how we do it with Apache #NuttX RTOS

Source: https://github.com/lupyuen/pinephone-nuttx#pinephone-touch-panel

#PinePhone's I2C Touch Panel is connected on TWI0 and PH4 ... Let's poll PH4 for Touch Input, the easier (inefficient) way

Source: https://lupyuen.github.io/articles/pio#touch-panel

#PinePhone's I2C Touch Panel ... Here's everything we know ... Let's read the Touch Panel with Apache #NuttX RTOS!

Source: https://lupyuen.github.io/articles/pio#touch-panel

OSCS for NuttX? 🤔

Apache #NuttX Mainline supports I2C on #PinePhone's Allwinner A64 🎉

Source: https://github.com/apache/nuttx/pull/8009

Booting Apache #NuttX RTOS on #PinePhone ... With a microSD Card

Article: https://lupyuen.github.io/articles/what?5#boot-nuttx

Here's how we build Apache #NuttX RTOS for #PinePhone

Article: https://lupyuen.github.io/articles/what?4#build-nuttx

To run Apache #NuttX RTOS on #PinePhone we need: 1️⃣ Serial Debug Cable 2️⃣ microSD Card

Article: https://lupyuen.github.io/articles/what?4#build-nuttx

Someday students might use Apache #NuttX RTOS to experiment with #PinePhone 🤔

Article: https://lupyuen.github.io/articles/what?3#smartphone-education

Apache #NuttX RTOS for #PinePhone isn't ready as a Daily Driver ... But it might help Learners

Article: https://lupyuen.github.io/articles/what?2#smaller-and-simpler

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