Lup Yuen Lee 李立源 @lupyuen@qoto.org

#PinePhone's LCD Display is driven by Allwinner A64's Timing Controller (TCON0) ... Which works like a pixel pump

https://lupyuen.github.io/articles/pio?15#lcd-controller-tcon0

Dumping #PinePhone's Linux Device Tree ... And snooping for goodies

https://lupyuen.github.io/articles/pio?12#appendix-pinephone-device-tree

Can we make #LVGL a little friendlier and safer ... With the #ZigLang programming language? Find out this weekend at #NuttX Online Workshop, Sep 24-25

Free Registration: https://nuttx.events/

#PinePhone's Linux Device Tree describes everything about PinePhone Hardware ... Plenty of goodies for building #NuttX Drivers!

https://lupyuen.github.io/articles/pio?11#linux-device-tree

Here's how we enabled "peek" and "poke" for BASIC on Apache #NuttX RTOS

https://lupyuen.github.io/articles/pio?18#appendix-enable-peek-and-poke-in-basic

Blinking #PinePhone's LEDs with BASIC and Apache #NuttX RTOS

https://lupyuen.github.io/articles/pio?10#basic-blinks-the-leds

#Lua Scripting works great on Apache #NuttX RTOS! Join us this weekend at NuttX Online Workshop, Sep 24-25

Free Registration: https://nuttx.events/

#RustLang on #NuttX RTOS sounds super interesting! Join us this weekend at NuttX Online Workshop, Sep 24-25

Free Registration: https://nuttx.events/

"peek" and "poke" the #PinePhone LEDs ... Like in the 1980's! 🥲

https://lupyuen.github.io/articles/pio?9#control-leds-with-basic

"poke"-ing around #PinePhone's LEDs ... Thanks to BASIC on Apache #NuttX RTOS

https://lupyuen.github.io/articles/pio?9#control-leds-with-basic

#NuttX RTOS can also control #PinePhone's Backlight

https://lupyuen.github.io/articles/pio?8#pinephone-backlight

Lighting up the #PinePhone LEDs ... With Apache #NuttX RTOS

https://lupyuen.github.io/articles/pio?7#boot-nuttx-on-pinephone

How we light up #PinePhone's LEDs ... By flipping the GPIOs in the Allwinner A64 Port Controller

https://lupyuen.github.io/articles/pio?6#set-gpio

Booting #NuttX RTOS on #PinePhone Pro ... What do I need to change in NuttX to support PinePhone Pro? 🤔

https://lupyuen.github.io/articles/uboot

Apache #NuttX RTOS Online Workshop happens this weekend! Please join me Sep 24-25

Free Registration: https://nuttx.events/

Configuring #PinePhone's LEDs for GPIO Output ... By writing to the Allwinner A64 Port Controller

https://lupyuen.github.io/articles/pio?5#configure-gpio

Controlling #PinePhone's GPIOs ... With the Allwinner A64 Port Controller

https://lupyuen.github.io/articles/pio?4#port-controller-registers

#PinePhone supports 103 GPIOs! This is how we control them with the Allwinner A64 SoC

https://lupyuen.github.io/articles/pio?3#allwinner-a64-port-controller

#PinePhone's LEDs are connected on GPIOs PD18, 19 and 20 ... Let's flip them on with #NuttX RTOS

https://lupyuen.github.io/articles/pio?2#pinephone-schematic

Experimenting with #PinePhone LEDs on Apache #NuttX RTOS ... All shall be explained in this article

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