Crate hsm_firmware_logic 

Host-testable logic for the mini-HSM firmware.

This crate exists so the parts of the firmware that are pure logic (state machine, debouncer, LED/button abstractions) can be unit-tested on the host. The firmware binary depends on this crate and supplies the hardware-facing trait impls in hsm-firmware/src/hal_rp2040.rs.

Re-exports

pub use io::Button;

pub use io::Debouncer;

pub use io::Led;

pub use io::DEBOUNCE_STABLE_SAMPLES;

Modules

io

GPIO abstractions: LEDs and the touch button.

state_machine 🔒

Token operating state machine.

Enums

Event

Events that drive transitions.

LedPattern

Visual LED pattern associated with each state.

TokenState

All the operating states the token can be in.

Constants

ERROR_DISPLAY_MS

How long the token displays the error pattern before returning to idle.

TOUCH_TIMEOUT_MS

How long the user has to touch the button before the signing request is cancelled.