When Causal Emergence Inspires OS3
How Erik Hoel’s work on causal emergence, effective information, determinism, degeneracy, and informative higher scales inspired new architectural principles in OS3.
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Switching the CH32V003 System Clock to 48 MHz
Extending the bare CH32V003 assembly blink program with Flash wait-state setup, HSE startup, PLL enable, and a 48 MHz system clock switch.
at-os3 and PTGS: a Tiny Linux-Driven TinyGS Station
A CH32V003 + SX1278 AT LoRa modem firmware used as the deterministic radio front end for PTGS, a Linux TinyGS station bridge with MQTT, Doppler tuning, and multi-modem support.
Bare Assembly Bring-Up on the CH32V003
Booting a CH32V003 without an SDK or C runtime: vector table, linker script, stack, BSS, GPIO, and a minimal RISC-V assembly blink loop.
RNode on OS3: a Minimal Reticulum Firmware for the CH32V003
A prebuilt RNode-compatible firmware image for the CH32V003 and E22-900M22S, bringing Reticulum connectivity to a 16 KB flash / 2 KB RAM microcontroller.
OS3: Architecture of a Deterministic Event-Driven Microkernel
A detailed look at the design principles, execution model, and structural invariants behind OS3 — a bare-metal event-driven microkernel for RISC-V.