#ZigLang Driver for #PinePhone MIPI Display Serial Interface ... Now building a Quick Prototype on Apache #NuttX RTOS

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

#ZigLang composes a MIPI DSI Long Packet ... For #PinePhone's Display Driver on Apache #NuttX RTOS

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

Inside a MIPI DSI Long Packet: 1️⃣ 4-byte Header 2️⃣ Payload 3️⃣ 2-byte Footer (CRC)

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

#ZigLang computes the Error Correction Code for a MIPI DSI Packet ... In our #PinePhone Display Driver for Apache #NuttX RTOS

https://github.com/lupyuen/pinephone-nuttx#compute-error-correction-code-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

#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

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

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

#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

#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

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

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

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

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

ST7703 Commands in various sizes for #PinePhone's Display

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

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

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

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

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

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

#ZigLang combines Header, Payload and Footer ... To make a MIPI DSI Long Packet

https://lupyuen.github.io/articles/dsi2?9#combine-header-payload-and-footer

#ZigLang computes the Error Correction Code ... For MIPI DSI Packets on #PinePhone

https://lupyuen.github.io/articles/dsi2?10#error-correction-code

Our #ZigLang Display Driver for #PinePhone will create MIPI DSI Short Packets too

https://lupyuen.github.io/articles/dsi2?11#compose-short-packet

Composing MIPI DSI Short Packets in #ZigLang ... For our #NuttX Display Driver on #PinePhone

https://lupyuen.github.io/articles/dsi2?11#compose-short-packet

Writing a #ZigLang Test Case ... For testing our #PinePhone Display Driver

https://lupyuen.github.io/articles/dsi2?12#test-mipi-dsi-driver

Testing our #ZigLang MIPI DSI Driver for #PinePhone ... With Apache #NuttX RTOS and #QEMU Arm64

https://lupyuen.github.io/articles/dsi2?15#run-mipi-dsi-driver-on-qemu

How we init #PinePhone's ST7703 LCD Controller in #ZigLang

https://lupyuen.github.io/articles/dsi2?16#initialise-st7703-lcd-controller

How #ZigLang sends a MIPI DSI Packet to #PinePhone's ST7703 LCD Controller

https://lupyuen.github.io/articles/dsi2?17#send-mipi-dsi-packet

#ZigLang writes a MIPI DSI Packet to #PinePhone's Allwinner A64 SoC ... Chunk by chunk

https://lupyuen.github.io/articles/dsi2?17#send-mipi-dsi-packet