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A        Paper Presentation                on Embedded Systemswww.powerpointpresentationon.blogspot.com
Embedded System ???......• Hardware is driven and controlled by  software• Software runs in a computer system  (usually a ...
• Microcontroller based lock • Thermostat controller • Pacemaker
Applications• Communications• Automotive automatic braking• Military applications – Missile  guidance systems• Industrial ...
System organization
Embedded system design         requirement• Computer design requirement• System-level requirement
Computer design requirement•   Real time/reactive operation•   Small size, low weight•   Safe and reliable•   Harsh enviro...
System-level requirement•   End product utility•   System safety and reliability•   Controlling physical systems•   Power ...
Software design issues• Round robin schemeLoop:Await tick;Read S1;take action(S1);Read S2;take action(S2);Read S3;take act...
Concurrent Programming
QNX-RTOSFeatures:• Micro kernel architecture• Message based interprocess  communication
PROCESSRUNNING                    READY   WAITING              EVENT              BLOCKED
Synchronous Programming3 Level Architecture:• Interactive I/O interface• Reactive kernel• Data management
Future Possibilities• More and more produced processors are  used in embedded devices• New applications like pervasive com...
REFERENCES• Book(s):Embedded microcomputer system- real time interfacing :Jonathan W. Valvano• Website(s):1.http://www.cs....
THANK YOU !!!!!.......
Embedded system
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Embedded system

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Embedded system

  1. 1. A Paper Presentation on Embedded Systemswww.powerpointpresentationon.blogspot.com
  2. 2. Embedded System ???......• Hardware is driven and controlled by software• Software runs in a computer system (usually a micro-controller)• Preprogrammed to do specific functionLet us look into some examples……
  3. 3. • Microcontroller based lock • Thermostat controller • Pacemaker
  4. 4. Applications• Communications• Automotive automatic braking• Military applications – Missile guidance systems• Industrial applications• Robotics
  5. 5. System organization
  6. 6. Embedded system design requirement• Computer design requirement• System-level requirement
  7. 7. Computer design requirement• Real time/reactive operation• Small size, low weight• Safe and reliable• Harsh environment• Cost sensitivity
  8. 8. System-level requirement• End product utility• System safety and reliability• Controlling physical systems• Power management
  9. 9. Software design issues• Round robin schemeLoop:Await tick;Read S1;take action(S1);Read S2;take action(S2);Read S3;take action(S3);Forever
  10. 10. Concurrent Programming
  11. 11. QNX-RTOSFeatures:• Micro kernel architecture• Message based interprocess communication
  12. 12. PROCESSRUNNING READY WAITING EVENT BLOCKED
  13. 13. Synchronous Programming3 Level Architecture:• Interactive I/O interface• Reactive kernel• Data management
  14. 14. Future Possibilities• More and more produced processors are used in embedded devices• New applications like pervasive computing are emerging
  15. 15. REFERENCES• Book(s):Embedded microcomputer system- real time interfacing :Jonathan W. Valvano• Website(s):1.http://www.cs.cmu.edu2.http://www.embedded.com3.http://www.esterel.org4.http://www.qnx.com
  16. 16. THANK YOU !!!!!.......

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