CardputerZero Calculator

LVGL-based calculator app for M5Stack CardputerZero.

Repository Layout

• main/src/ - calculator application, engine, input, audio, and entry point
• main/include/ - application headers
• main/ui/ - generated LVGL UI sources and image assets
• tests/ - calculator engine/input tests and UI test scripts
• SConstruct and main/SConstruct - SCons build scripts
• config_defaults.mk - default build configuration

Generated build outputs and test artifacts are intentionally ignored by git.