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Embedded Operating System Jason Porter

Embedded Operating System Jason Porter. What is Embedded. From Wikipedia: “An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.”. Examples. Arduino Raspberry Pi PLC

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Embedded Operating System Jason Porter

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  1. Embedded Operating System Jason Porter

  2. What is Embedded • From Wikipedia: “An embedded system is a computer system with a dedicated function within a larger mechanical or electrical system, often with real-time computing constraints.”

  3. Examples • Arduino • Raspberry Pi • PLC • Automotive Computers

  4. Arduino Vs TinyOS • TinyOS is a full fledged operating system • TinyOS and APIs are designed for low power applications • Arduino focuses on I/O • TinyOS focuses on wireless networking

  5. Hardware MicaZ IRIS

  6. Hardware (cont.) NXTMOTE TelsoB

  7. Software • Stack • Split-phase • APIs • nesC

  8. Stack • One Stack • Singular • Longer Life Span

  9. Split-phase • First phase: • Start • Second phase: • Callback

  10. APIs • Rigorously tested • All split-phase • Bidirectional

  11. nesC • Dialect of C • Explicitly define interfaces • Bidirectional • Requires two files • Configuration • Module

  12. nesC - Configuration • Defines interfaces • Used • Provided • Is used to generate executed

  13. nesC - Module • Lists interfaces • Provides implementation • Major Operation • APIs

  14. Conclusion • TinyOS is used for • Wireless embedded projects • Has APIs • Non-blocking • Bidirectional

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