Understanding ARM Cortex-M4 and Cortex-M0+ Interrupt Priority and Nested Preemption Issues

Understanding ARM Cortex-M4 and Cortex-M0+ Interrupt Priority and Nested Preemption Issues

Sitting on the high-speed train from Shanghai to Beijing, the long journey really makes one feel bored (I couldn’t get a direct train, so I can only go slowly, stopping at every station. It’s ridiculous that in the high-speed train era, it still is like this. It reminds me of the time in college when … Read more

Understanding Priority in Embedded Systems

Understanding Priority in Embedded Systems

Source: WeChat Official Account [Osprey Talks on Microcontrollers] Author: Osprey ID: emOsprey In embedded software development, we inevitably encounter the concept of priority. Mastering the concept of priority is crucial for designing a good software system. The main content of this note includes the following aspects: 1. Interrupt priority 2. Task priority in the operating … Read more