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PJON implements a totally software emulated network protocol stack in around 1500 lines of code, thanks to the strategies abstraction it can work nominally with any data link is in use and can be applied in a variety of media and applications. This library can be cross-compiled (-std=c++11) to work with any Arduino compatible device, linux or windows x86 machine.

Thanks to the interfaces abstraction, PJON can be easily ported on any MCU/architecture exposing random generation, timing and IO system calls (for example on Arduino: random, micros, pinMode).

  Implementation model
       ___________________________________________________
      | Layer 3 Network                                   |
      | PJON                                              |
   ___| send, send_packet, send_repeatedly ...            |
  |   |___________________________________________________|
  |   | Layer 2 data link or strategy                     |
  |   | AnalogSampling, OverSampling, SoftwareBitBang ... |
  --->| can_start, send_string, receive_byte ...          |___   
      |___________________________________________________|   |
      | Interfaces to system calls                        |   |
   ___| PJON_MICROS, PJON_RANDOM, PJON_IO_MODE ...        |<---
  |   |___________________________________________________|
  |   | Layer 1 physical-layer                            |
  |   | System calls:                                     |
  --->| micros, random, delayMicroseconds ...             |
      |___________________________________________________|

This library exposes to users a set of methods to easily configure and handle communication between devices: