Reference Implementation

• Zepto OS
  • Assumptions (=mother of all screw-ups)
  • Layers and Libraries
  • Memory Architecture
  • Error Handling and Zepto Exceptions
  • zeptoerr
  • “Main Loop” a.k.a. “Main Pump”
  • State Machines
  • Plugins
  • Programming Guidelines
  • Support for PARALLEL Zepto VM instruction
  • EEPROM Handling
  • Running on top of another OS
  • Hardware Abstraction Layer (HAL)
• HAL interface
  • Data structures
  • Initializing functions
  • Waiting functions
  • Time functions
  • Communication functions
  • EEPROM access functions
  • Digital pin operation functions
  • SPI and I2C operation functions
  • Special TX/RX functions