MicroPython Internals

This chapter covers a tour of MicroPython from the perspective of a developer, working on the implementation of MicroPython itself. It describes the implementation details to aid developers have a gentle contribution curve.

Development around MicroPython usually involves touching the core runtime, porting or maintaining a new library. The chapter therefore describes at great depth, the implementation details of MicroPython from its compiler internals, porting micropython to a new platform and implemenating a new MicroPython library.

• Introduction
  • MicroPython Vs CPython
  • Getting and Building the Code
    • Clone the source
    • Build the source
    • Running the tests
  • Folder Structure
• The MicroPython Core Runtime
  • The Grammar
  • The Lexer
  • The Parser
  • The Compiler
    • Emitting Bytecode
    • Emitting Native Code
    • Type Checking
  • Memory Management
  • Optimizations
    • String Interning
    • Open Addressing
    • Linear Probing
  • Support for C Modules
  • Writing Tests
  • Adding a Core Module
  • The Public API
  • The Dynamically Loaded Modules
  • What really Happens when you run a MicroPython Program
• Implementing a MicroPython Library
  • The Source files Structure
  • Compiling the Module
  • Compiling for a Port
  • MicroPython Library Management
• Porting MicroPython to a new Platform
  • Getting Started
    • The Minimum Port
  • Pin Mapping
  • AF Mapping
  • The Pin Module