Lup Yuen Lee 李立源 @lupyuen@social.cleverlibre.org

Apache #NuttX RTOS might be super interesting for #RISCV Ox64 #BL808 🤔

Source: https://github.com/lupyuen/nuttx-ox64

#RISCV Ox64 #BL808 @PINE64 ... Boots 64-bit #Linux in a jiffy 👍

Source: https://github.com/lupyuen/nuttx-ox64#flashing-uart-vs-serial-console

Missing, Mistaken and Mysterious things in the Star64 #JH7110 Display Controller

Article: https://lupyuen.codeberg.page/articles/display3.html#appendix-jh7110-display-controller-mysteries

Year-Old Prototype of #RISCV Ox64 #BL808 ... Still works fine with Linux! 👍

Source: https://github.com/lupyuen/nuttx-ox64

Is #RISCV Ox64 #BL808 an SBC or MCU Board? It works like both, actually

Source: https://github.com/lupyuen/nuttx-ox64

#RISCV #Linux boots OK on @PINE64 Ox64 #BL808! 🎉 ... Flash the board at 230.4 kbps, because macOS doesn't like 2 Mbps (Same problem as PineCone BL602)

Source: https://github.com/lupyuen/nuttx-ox64#flash-opensbi-and-u-boot-bootloader-to-ox64-bl808

Here's how we'll create the HDMI Display Driver for Apache #NuttX RTOS on #RISCV Star64 #JH7110 SBC

Article: https://lupyuen.codeberg.page/articles/display3.html#appendix-jh7110-display-driver

#BL808 is a complex creature with 3 Asymmetric #RISCV Cores

Source: https://github.com/lupyuen/nuttx-ox64

Unsolved Mysteries in the #RISCV Star64 #JH7110 Display Controller

Article: https://lupyuen.codeberg.page/articles/display3.html#unsolved-mysteries

Will Apache #NuttX RTOS boot on #RISCV Ox64 #BL808? 🤔

Source: https://github.com/lupyuen/nuttx-ox64

Let's explore the I2C Controller for #RISCV Star64 #JH7110 SBC ... With some U-Boot Commands

Source: https://github.com/lupyuen/nuttx-star64#explore-the-i2c-controller-for-star64-jh7110

Here's how we Power Up the I2C Controller for #RISCV Star64 #JH7110 SBC ... With U-Boot Bootloader commands

Source: https://github.com/lupyuen/nuttx-star64#power-up-the-i2c-controller-for-star64-jh7110

The legendary Forest City ... Feels surprisingly pleasant

Wiki: https://en.m.wikipedia.org/wiki/Forest_City,_Johor

Apache #NuttX RTOS 12.3.0 supports 1️⃣ #PinePhonePro @PINE64 2️⃣ #RISCV Star64 #JH7110 SBC (and VisionFive2) 3️⃣ NanoPi M4 SBC 🎉

Source: https://nuttx.apache.org/releases/12.3.0/

Searching something in Apache #NuttX menuconfig? Use the Slash

Source: https://github.com/lupyuen/nuttx-star64#increase-stack-size

Honey & Milk Sourdough ... Still tweaking the recipe 🤔

Recipe: https://lupyuen.codeberg.page/articles/sourdough.html#baking-the-wholemeal-sourdough

#RISCV CV1800B vs BL808

Source: https://codeberg.org/20-100/Awesome_RISC-V/src/branch/master/RISC-V_MCU_development_boards.pdf

Release Testing for Apache #NuttX RTOS ... Now fully automated for #PinePhone and #RISCV Star64 #JH7110 SBC 👍

Source: https://lists.apache.org/thread/v0jj0605wsrky7n7pw346xjc0owg7g8g

Remember #RISCV GD32 VF103?

Source: https://codeberg.org/20-100/Awesome_RISC-V/src/branch/master/RISC-V_MCU_development_boards.pdf

#RISCV OpenSBI Debug Console won't work on Star64 #JH7110 SBC ... Until we upgrade SBI to v2.0

Source: https://github.com/lupyuen/nuttx-star64#call-opensbi-from-nuttx