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Using the Proper Tools When Debugging RTOS-Based Applications

Jean Labrosse (Software Architect, Silicon Labs)

Location: 108

Date: Wednesday, May 15

Time: 8:00am - 9:00am

Track: ESC Boston, Track E: Focus on Fundamentals, ESC Boston, Track B: Embedded Software Design & Verification

Vault Recording: TBD

There are many reasons to use an RTOS in an embedded product, especially when using a 32-bit (or larger) CPU. An RTOS should be used if:

- You have time-sensitive code
- You are using protocol stacks such as TCP/IP, USB, Bluetooth and other
- You have a team of software developers working on different aspects of your system: communications, control, user interface, etc.
- Code reuse and portability is important
- You need to speed up development time and thus reduce time-to-market
- Etc.

Although an RTOS provides all of the above benefits, an RTOS can introduce its own drawbacks such as:

- Starvation
- Deadlocks
- Properly setting task priorities
- Mutual exclusion
- Priority inversions
- Meeting deadlines
- RTOS overhead
- Stack overflows
- Etc.

This class will explore how some of these issues can be detected and avoided by using tools that have been designed specifically to circumvent these drawbacks. These tools are readily available and in most case, you can obtain free versions of these tools.

Takeaway

Understand how you can detect and correct RTOS related issues such as starvation, priority inversions, deadlocks and more. Know where you can find free version of RTOS-specific tools.

Intended Audience

Embedded developers tasked with debugging RTOS-based systems
Students and professors.



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