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

#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

RAM Disk for Apache #NuttX RTOS goes into the same Memory Space as the Page Heap

Source: https://github.com/lupyuen/nuttx-star64#memory-map-for-ram-disk

Accessories for #RISCV VisionFive2 #JH7110 SBC

Source: https://rvspace.org/zh/application/Accessories

Scheme Lisp crashed on Apache #NuttX RTOS ... Because it ran out of Stack Space while executing a Scheme Script

Source: https://github.com/lupyuen/nuttx-star64#analyse-the-stack-dump-for-scheme-interpreter

Ethics in Mathematics

Source: https://arxiv.org/abs/2310.08467

Diving into a #RISCV Stack Dump from Apache #NuttX RTOS ... To understand why Scheme Lisp crashed

Source: https://github.com/lupyuen/nuttx-star64#analyse-the-stack-dump-for-scheme-interpreter

Increase Stack Size on Apache #NuttX RTOS ... Scheme Lisp no longer crashes on #RISCV Star64 #JH7110 SBC! 🎉

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

Scheme Lisp crashes on Apache #NuttX RTOS ... Let's look up the #RISCV Disassembly 🧐

Source: https://github.com/lupyuen/nuttx-star64#scheme-interpreter-crashes-on-nuttx

Operating Systems for #RISCV VisionFive2 #JH7110 SBC

Source: https://forum.rvspace.org/t/collection-for-all-visionfive-2-compatible-os-updates-20231007/3649/1

NanoPi M4 SBC (Rockchip RK3399) now supported by Apache #NuttX RTOS! 🎉

Source: https://github.com/apache/nuttx/pull/10645

Inspecting a #RISCV Crash Dump ... To figure out why Scheme Lisp crashed on Apache #NuttX RTOS 🧐

Source: https://github.com/lupyuen/nuttx-star64#scheme-interpreter-crashes-on-nuttx

Scheme Lisp on Apache #NuttX RTOS ... Troubleshooting on #RISCV StarFive #JH7110 SoC 🤔

Source: https://github.com/KenDickey/nuttx-umb-scheme

Increasing the RAM Disk Size for Apache #NuttX RTOS on Star64 #JH7110 SBC

Source: https://github.com/lupyuen/nuttx-star64#increase-ram-disk-limit