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| Robust Software for Embedded Systems Training Courses |
 RB-201Robust Software for Embedded Systems Length: 2 days Cost: TBA Course description - see below or view PDF Check course dates - click here Booking information - click here |
| Course Detail |
| Course Description: Across the spectrum of embedded systems there is a universal need for reliability and robustness, beyond that required for desktop computer software. Failure detection and recovery is vital and the software must be designed so that it can run continuously without the need for a reboot. This course explores the accepted industry best practices for achieving that extra level of quality in your embedded software. These techniques include the use of watchdog hardware to detect a deadlocked system. Error handling mechanisms should be capable of reporting the exact location of a software bug, even after the system has been deployed. Memory management techniques need to ensure that that a memory leak or stack overflow will not lurk like a time bomb in a longrunning system. Programmers need to be aware of real-time pitfalls when using interrupts and an RTOS. The course is based on ten years of experience writing embedded software for life-critical medical equipment. The course has been developed by Niall Murphy, author of the popular Murphy’s Law column in Embedded Systems Programming magazine. Overview: A two-day course providing an introduction to the building blocks of a dependable embedded system. Course Objectives: After completing the course attendees will: • Understand the processes that can be applied to ensure quality code, such as code inspections and Hazards Analysis • Understand how to write defensive code and code which allows a device to test itself. • Understand how to make the best use of watchdog timers. • Know how to organise non-volatile storage to avoid corruption and loss of data. • Understand the advantages and weaknesses of using features such as dynamic memory management and real time operating systems. Pre-requisites: A working knowledge of C. Who Should Attend: Application programmers, software engineers or technical staff who need to address reliability or robustness issues at a code level. The course is ideal for engineers who can write software, but are new to embedded systems, especially if those embedded systems have safety concerns or require high reliability. Duration: Two days. Course Materials: Delegate Handbook Related Courses: • OO-503 Real-Time Software Design with UML 2.0 • C++-501 C++ for Embedded Developers • C-501 C for Real-Time Developers |
Course Outline: Introduction - Definitions for Safety, Availability, Reliability - Graceful degradation - Industry magic bullets Data Integrity Checks - Checksums - CRCs Persistent Storage - Error Detection - Double Buffering - Versioning Built-in Self-test - RAM/ROM/address line tests - Loopback tests - Cable and subassembly tests Interlocks - Hardware limitations on software actions - Software limitations on user actions Exception Handling and Asserts - Language Support - Assert Macro - Debug code issues Memory Management - Static Allocation - Stack Measurement - malloc and fragmentation - Pools - Detecting Leaks Interrupts - Reentrancy - Motivation - Parallelism - Timed Polling Real Time Operating System - Tasking - Decomposition - Preemptive Kernels - Priority Inversion - Queuing - Timing Accuracy |
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