Lup Yuen Lee 李立源 @lupyuen@qoto.org

Disassembly of #BL602 #Mynewt Firmware looks OK ... Reset Handler is at the right address ... Let's run this firmware!

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

#BL602 #Mynewt Firmware built successfully yay! (Using stubs for HAL functions) Now inspecting the Disassembled Firmware

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

Still porting the missing HAL functions for #Mynewt #BL602

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

Now porting the missing HAL functions for #Mynewt #BL602

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

#BL602 #Mynewt compiles OK ... Now fixing the Reset Handler

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

Unlike SiFive FE310, #BL602 doesn't have a Platform-Level Interrupt Controller (PLIC) ... This #RISCV code in #Mynewt needs to be fixed 🤔

https://github.com/apache/mynewt-core/blob/master/kernel/os/src/arch/rv32imac/os_arch_rv32imac.c#L214

Porting #Mynewt Context Switching to #BL602 ... CLINT = #RISCV Core Local Interrupt controller

https://github.com/apache/mynewt-core/blob/master/kernel/os/src/arch/rv32imac/ctx.s#L193

"Caterpillar with penguin pattern?!"

https://www.reddit.com/r/interestingasfuck/comments/kdhg03/caterpillar_with_penguin_pattern/?utm_medium=android_app&utm_source=share

Building #Mynewt for #PineCone #BL602 ... Now using the right #RISCV GCC

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

Set #PineCone #BL602 as the Firmware Target for #Mynewt

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/targets/pinecone_app/target.yml

#BL602 Linker Script for #Mynewt

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/hw/bsp/pinecone/bsp_app.ld

Mutton #Briyani ... Rainy Day

#BL602 Flash Memory Map for #Mynewt ... With my handy hex calculator

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/hw/bsp/pinecone/bsp.yml#L36-L74

2 Unfinished Articles for 2020: 1️⃣ Draw your own #PineTime Watch Face 2️⃣ Auto Convert #GoLang to #DartLang

https://gist.github.com/lupyuen/81ea915a992dba3f432b35c9fec58dc9

Disassembled the #PineCone #BL602 HelloWorld App for reference

https://github.com/lupyuen/bl_iot_sdk/releases/download/v0.0.4/sdk_app_helloworld.S

Adding Board Support Package for #PineCone #BL602 to #Mynewt

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/hw/bsp/pinecone/bsp.yml

Adding MCU Definition for #BL602 to #Mynewt

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/hw/mcu/bl/bl602/pkg.yml

Here's how we tweak the #RISCV Compiler for #Mynewt

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/compiler/riscv-none-embed/compiler.yml#L20-L25

Tweaking #Mynewt to build #PineCone #BL602 #RISCV Firmware ... With "riscv-none-embed-gcc" instead of "riscv64-unknown-elf-gcc"

https://github.com/lupyuen/pinecone-rust-mynewt/blob/main/README.md

Now porting #Mynewt + #RustLang to #PineCone #BL602 #RISCV

https://github.com/lupyuen/pinecone-rust-mynewt