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Real Time Operating Systems (RTOS) Presented By Mr. Avanish Agarwal Mr. Makesh Iyer V.P.M’s Polytechnic College, Thane TECHNOPHILLIA 2009 25th & 26th Feb.
Moving Ahead.. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
What is a Real-time OS? ,[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
Why RTOS?? TECHNOPHILLIA 2009 25th & 26th Feb.
Types of Real Time Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
OS Basics ,[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
RTOS Basics Running Ready Blocked Dispatch Block Timer Run out Wakeup Process States & Transitions or Basic Kernel TECHNOPHILLIA 2009 25th & 26th Feb.
Interrupts ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
Handling Interrupts TECHNOPHILLIA 2009 25th & 26th Feb. 1. Normal program execution 2. Interrupt occurs 3. Processor state saved 4. Interrupt routine runs 5. Interrupt routine terminates 6. Processor state restored 7. Normal program execution resumes
Real-time Example ,[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
Flow Chart of iPod TECHNOPHILLIA 2009 25th & 26th Feb. Power ON State ROM code invoke  Booting Play Song/ Video Display Photos Configure Device RTOS Kernel ( Scheduler + Interrupt handler ) USB connect ISR Store Songs, Videos  And Terminate USB USER Input ISR IPod Acts as storage device (Slave Mode)
Interrupts in iPod ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
RTOS Application Areas TECHNOPHILLIA 2009 25th & 26th Feb. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Summary ,[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
References ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],TECHNOPHILLIA 2009 25th & 26th Feb.
Thank You!! TECHNOPHILLIA 2009 25th & 26th Feb.

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Rtos By Avanish Agarwal

  • 1. Real Time Operating Systems (RTOS) Presented By Mr. Avanish Agarwal Mr. Makesh Iyer V.P.M’s Polytechnic College, Thane TECHNOPHILLIA 2009 25th & 26th Feb.
  • 2.
  • 3.
  • 4. Why RTOS?? TECHNOPHILLIA 2009 25th & 26th Feb.
  • 5.
  • 6.
  • 7.
  • 8. RTOS Basics Running Ready Blocked Dispatch Block Timer Run out Wakeup Process States & Transitions or Basic Kernel TECHNOPHILLIA 2009 25th & 26th Feb.
  • 9.
  • 10. Handling Interrupts TECHNOPHILLIA 2009 25th & 26th Feb. 1. Normal program execution 2. Interrupt occurs 3. Processor state saved 4. Interrupt routine runs 5. Interrupt routine terminates 6. Processor state restored 7. Normal program execution resumes
  • 11.
  • 12. Flow Chart of iPod TECHNOPHILLIA 2009 25th & 26th Feb. Power ON State ROM code invoke Booting Play Song/ Video Display Photos Configure Device RTOS Kernel ( Scheduler + Interrupt handler ) USB connect ISR Store Songs, Videos And Terminate USB USER Input ISR IPod Acts as storage device (Slave Mode)
  • 13.
  • 14.
  • 15.
  • 16.
  • 17. Thank You!! TECHNOPHILLIA 2009 25th & 26th Feb.