Lup Yuen Lee 李立源 @lupyuen@qoto.org

Ox64 64-bit #RISCV Board @PINE64 ... Based on Bouffalo Lab #BL808 WiFi + BLE + Zigbee SoC 🤩

https://wiki.pine64.org/wiki/Ox64

#ZigLang composes a MIPI DSI Packet Header ... In our #PinePhone Display Driver

https://lupyuen.github.io/articles/dsi2?6#packet-header

Our #ZigLang Display Driver for #PinePhone composes a MIPI DSI Long Packet

https://lupyuen.github.io/articles/dsi2?5#compose-long-packet

Our #ZigLang Display Driver for #PinePhone shall send MIPI DSI Long Packets to the LCD Controller

https://lupyuen.github.io/articles/dsi2?4#long-packet-for-mipi-dsi

ST7703 Commands in various sizes for #PinePhone's Display

https://lupyuen.github.io/articles/dsi2?3#pinephone-lcd-display

Inside #PinePhone's Display is an ST7703 LCD Controller ... Let's send the commands in #ZigLang to init the display

https://lupyuen.github.io/articles/dsi2?2#pinephone-lcd-display

"Scissors Cut" Curry Rice 🤤

https://mothership.sg/2022/10/beach-road-scissors-cut-curry-rice-vivocity/

Creating a #PinePhone Display Driver in #ZigLang for Apache #NuttX RTOS ... All shall be explained in this article

https://lupyuen.github.io/articles/dsi2?1

Our #NuttX #ZigLang Display Driver for #PinePhone ... Works exactly like the C Driver! 🎉

https://github.com/lupyuen/pinephone-nuttx#test-zig-display-driver-for-pinephone

Bouffalo Lab's 64-bit #RISCV BL808 won't support Apache #NuttX RTOS and #Linux at launch 🤔

https://twitter.com/MisterTechBlog/status/1579414451245445121?t=hxvdBl34CSGHDG3Nv5gkxQ&s=19

SPI DMA for #RISCV #BL602 ... Works great on Apache #NuttX RTOS! 🎉

https://github.com/apache/incubator-nuttx/pull/7263

Incoming fresh new goodies from #Pine64 🤔

Depending on ST7703 Command Size, our #ZigLang Display Driver for #PinePhone sends: 1️⃣ DCS Short Write 2️⃣ DCS Short Write with Para 3️⃣ Or DCS Long Write

https://github.com/lupyuen/pinephone-nuttx#initialise-st7703-lcd-controller-in-zig

#NuttX #ZigLang Driver inits #PinePhone's ST7703 LCD Controller ... By sending these 20 Commands

https://github.com/lupyuen/pinephone-nuttx#initialise-st7703-lcd-controller-in-zig

#PinePhone's ST7703 LCD Controller needs to be initialised with these 20 Commands ... Let's send them with our #NuttX Driver in #ZigLang

https://lupyuen.github.io/articles/dsi#appendix-initialise-lcd-controller

Here's how we create a Test Case for #PinePhone's MIPI DSI Display Driver

https://github.com/lupyuen/pinephone-nuttx#test-case-for-pinephone-mipi-dsi-driver

Some parts of the #NuttX Driver for #PinePhone's Display were tested on QEMU Arm64 ... Super convenient! 👍

https://github.com/lupyuen/pinephone-nuttx#test-pinephone-mipi-dsi-driver-with-qemu

#ZigLang composes a MIPI DSI Short Packet ... In our #PinePhone Display Driver for Apache #NuttX RTOS

https://github.com/lupyuen/pinephone-nuttx#compose-mipi-dsi-short-packet-in-zig

#PinePhone also sends MIPI DSI Short Packets to its LCD Controller ... Let's do this with #ZigLang on Apache #NuttX RTOS

https://lupyuen.github.io/articles/dsi#appendix-short-packet-for-mipi-dsi

Windows: "Let's finish setting up your device"