Lup Yuen Lee 李立源 @lupyuen@qoto.org

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

#RISCV CH32Vxxx vs CHxxx

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

Here's how we call #RISCV OpenSBI (Supervisor Binary Interface) from Apache #NuttX RTOS

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

#RISCV Star64 #JH7110 SBC ships with SBI Spec v1.0 (Supervisor Binary Interface) ... Might need updating 🤔

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

#RISCV ESP32-C3 vs C6 vs H2

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

Here's how we increase the Stack Size for Apache #NuttX RTOS

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

#RISCV BL602 vs 702 vs 616 vs 808

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

Checking Heap Memory on Apache #NuttX RTOS ... With a loopy malloc()

Source: https://github.com/lupyuen/nuttx-star64#test-the-page-heap

How to increase the Page Heap Size for Apache #NuttX RTOS ... So that NuttX Apps will have more Dynamic Memory for malloc()

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