You're reading from Bare-Metal Embedded C Programming Develop high-performance embedded systems with C for Arm microcontrollers

Product type Paperback

Published in Sep 2024

Publisher Packt

ISBN-13 9781835460818

Length 438 pages

Edition 1st Edition

Languages

Tools

ARM Cortex

Concepts

Application Development

Author (1):

Israel Gbati

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Table of Contents (21) Chapters

Preface

1. Chapter 1: Setting Up the Tools of the Trade FREE CHAPTER

2. Chapter 2: Constructing Peripheral Registers from Memory Addresses

3. Chapter 3: Understanding the Build Process and Exploring the GNU Toolchain

4. Chapter 4: Developing the Linker Script and Startup File

5. Chapter 5: The “Make” Build System

6. Chapter 6: The Common Microcontroller Software Interface Standard (CMSIS)

7. Chapter 7: The General-Purpose Input/Output (GPIO) Peripheral

8. Chapter 8: System Tick (SysTick) Timer

9. Chapter 9: General-Purpose Timers (TIM)

10. Chapter 10: The Universal Asynchronous Receiver/Transmitter Protocol

11. Chapter 11: Analog-to-Digital Converter (ADC)

12. Chapter 12: Serial Peripheral Interface (SPI)

13. Chapter 13: Inter-Integrated Circuit (I2C)

14. Chapter 14: External Interrupts and Events (EXTI)

15. Chapter 15: The Real-Time Clock (RTC)

16. Chapter 16: Independent Watchdog (IWDG)

17. Chapter 17: Direct Memory Access (DMA)

18. Chapter 18: Power Management and Energy Efficiency in Embedded Systems

19. Index

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Independent Watchdog (IWDG)

In this chapter, we’ll learn about the Independent Watchdog (IWDG) timer, a unique component for enhancing the reliability of embedded systems. IWDG is essential for monitoring the system’s operation and ensuring it can recover from unexpected faults or malfunctions.

We will begin by exploring the general concept of watchdog timers (WDTs) and their importance in embedded systems. Following this, we will examine how WDTs function and the unique features of IWDG. Next, we will focus specifically on the STM32 implementation of the IWDG, looking at its key registers and configuration. Finally, we will apply this knowledge to develop a bare-metal IWDG driver, providing practical code examples to solidify our understanding.

In this chapter, we will cover the following main topics: