Advanced C Programming
5 days

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This course is delivered in co-operation with Doulos' training partner Feabhas , who specialise in training courses for real-time embedded developers.

Course description

Many engineers work with the C programming language everyday for real-time embedded development. However some hit a plateau and never feel comfortable with certain aspects of the language. This course aims to move people off that plateau and give them a fuller appreciation of the more advanced aspects of the language. Because of the requirements for programming real-time embedded systems, this course goes beyond just addressing the language issues and explores compile, link and run-time issues. In addition it covers interrupts and multi-tasking areas specific to C.

As part of the course, approximately 50% of the time is given over to writing code for a real target.

Overview

An intensive four day course covering the advanced aspects of the C programming for the real-time embedded programmer.

Course Objectives

• To become comfortable with the advanced aspects of the C programming language
• To gain an in-depth knowledge on what is happening at compile, link and runtime on a target processor
• To introduce good quality and style for real-time embedded programming
• To gain hands-on experiences of programming up interrupts and real-time operating systems.

Delegates will learn

• Advanced aspects of the C programming language
• The traps and pitfalls of the language (e.g. structure packing, dynamic memory, etc.)
• Compile, link, and run-time memory models
• MISRA-C (www.mira.org) guidelines
• What parts of C should and should not be used in real-time embedded systems programming.

Pre-requisites

• A good grasp of the fundamentals of C, or
• Attendance of Feabhas course C-501 : C for Real-Time Programmers.

Who should attend?

The course is designed for engineers who want to improve their grounding and understanding of the C programming language. It is specifically aimed at issues relevant to real-time embedded software engineers.

Materials

Delegate Handbook

Related courses

• Fundamentals of Real-Time Operating Systems
• Real-Time Software Design with UML 2.0
• C for Real-Time Developers

Course workshop

The course workshop uses the IAR compiler and the NXP LCP2129 ARM7TDMI microcontroller as a target for the hands-on sessions. Exercises are designed to stretch attendees’ abilities and explore subtleties of the language. A good working knowledge of the C programming language is essential as some of the exercises involve extensive programming.

Course Outline

Day 1

Introduction

Program Structure

• Importance of good structure
• Quality and style

Pointers, Arrays & Dynamic Allocation

• Arrays & pointers; compatibility and incompatibility

Function Pointers

• Basics
• Callbacks
• State machine

Unscrambling Declarations

• Rules
• Using typedef

Day 2

Enumerations, Structures and Unions

• Enum vs. #define
• Struct layout
• Uses of union

Interrupts

• Hardware interrupt models
• Software interrupts

Multi-Tasking (Multi-Threading)

• Terminology
• Advantages and disadvantages
• Intertask Communication & synchronisation

Day 3

The Linker

• Memory sections

Start-up, Runtime and the Stack

• What happens before main
• What is happening at runtime
• Estimation of stack requirements

Dynamic Memory

• Malloc, calloc and realloc
• Variable sized structures
• Dangers

Memory Management and Protection

• Memory protection
• MMU
• Segmentation and paging

Day 4

Writing Safer C

• MISRA-C Guidelines

OOP with C

• Object-based and objectoriented
• Classes, inheritance and polymorphism
• Associations and aggregation

Number Crunching

• Floating-point and fixed-point number systems
• IEEE Standard 754

The Standard Library

• Major issues

C99

• Summary of significant new features

Course Summary

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