Debugging HardFault in ARM Cortex-M (STM32)

Debugging HardFault in ARM Cortex-M (STM32)

Click the above blue text to follow us HardFault is a type of exception in ARM Cortex-M processors. It is triggered when the processor encounters an unresolvable error, or when the exception handler configured to handle specific types of errors (such as bus errors, memory management errors, usage faults) is disabled, or when another error … Read more

Resolving ARM Cortex-M Exception – HardFault (UsageFault) INVPC Set to 1

Resolving ARM Cortex-M Exception - HardFault (UsageFault) INVPC Set to 1

CPU: STM32F429IGT6 For other STM32 chips or other ARM Cortex-M chips, the solution is generally the same. It is recommended to read this article in full before debugging the issues you encounter. 1. Basic Knowledge In ARM Cortex-M series processors, there are several system exceptions dedicated to fault handling. The faults in CM3 can be … Read more

HardFault Diagnosis Methods and Steps

HardFault Diagnosis Methods and Steps

1. Introduction to Cortex-M0 Processor Core Exception Interrupts The Cortex-M0 core is equipped with an exception response system that supports numerous system exceptions and external interrupts. Among them, numbers 1-15 correspond to system exceptions, while numbers greater than or equal to 16 are all external interrupts. The smaller the numerical value of the priority, the … Read more

How to Locate HardFault in FreeRTOS

How to Locate HardFault in FreeRTOS

Source: Official WeChat Account 【Osprey Talks Microcontrollers】 Author: Osprey ID :emOsprey Hello everyone, I am Osprey. Due to some matters, this update is a bit late. But I still strive for everyone to learn some practical technology from Osprey’s official account every time, improving their core competitiveness. Thank you all for your continued support of … Read more

Experience Sharing on Using ARM Cortex-M Series MCU Error Code Automatic Tracking Library

Experience Sharing on Using ARM Cortex-M Series MCU Error Code Automatic Tracking Library

Have you encountered the HardFault issue while using STM32? I was troubled by this issue for a long time, and here’s a brief summary of it. Phenomenon restoration: During simulation debugging in debug mode, when running at full speed and then stopping, the program jumps to the HardFault_Handler function, resulting in a HardFault, which is … Read more

Understanding Fault Types and Causes in Cortex-M3

Understanding Fault Types and Causes in Cortex-M3

Follow+Star Public Account Number, don’t miss exciting content Author | strongerHuang Public Account | Embedded Column In our usual projects, we may encounter situations of freezing, and through online debugging or printing messages, we may find out how we entered the HardFault_Handler interrupt. This “hard fault” is a common type of fault, and there are … Read more