EDN

Microseconds matter: reducing interrupt latency in industrial control systems

Performance is a topic that never strays far from the mind of most embedded systems developers. However, relatively speaking, many of us have it easy. We develop soft real-time systems in which a few ...
EDN

Making interrupt design firmware friendly

This paper will discuss design practices and guidelines that will maximize the efficiency of interrupts and interrupt handling in an embedded system IC. These practices can result in a smaller code ...
Electronic Design

Use An On-Chip UART To Detect An Edge-Triggered Interrupt

Edge-triggered interrupts are useful in microcontroller (MCU) applications for processing asynchronous events like switch closures, level transitions, and pulses. However, low-cost MCUs offer limited ...
Semiconductor Engineering

Fast Interrupt Extension For MCU RISC-V

A technical paper titled “CV32RT: Enabling Fast Interrupt and Context Switching for RISC-V Microcontrollers” was published by researchers at ETH Zurich and University of Bologna. “Processors using the ...
Linux Journal

Realfeel Test of the Preemptible Kernel Patch

Linux was originally written as a general-purpose operating system without any consideration for real-time applications. Recently Linux has become attractive to the real-time community due to its low ...