Click the above “Public Account” to subscribe! Recently, apart from the rampant news about the COVID-19 pandemic, the most attention-grabbing topic has undoubtedly been the war in Ukraine. Contrary to most people’s expectations, the war, which was thought to be one-sided, has become prolonged, much like the “temporary” lockdown in Shanghai — endless. Regardless of … Read more
01 DSP Algorithm Library 1. Introduction In ARM microcontroller development, there is a DSP digital signal processing function library provided in CMSIS. This library includes basic data functions, fast mathematical operations, complex number operations, filters, matrices, transforms, click control, statistics, support functions, and interpolation functions, covering most algorithms used in engineering applications. Here, I have … Read more
1. Introduction In ARM microcontroller development, there is a CMSIS DSP library provided for digital signal processing functions. This library includes basic data functions, fast mathematical operations, complex operations, filters, matrices, transformations, click control, statistics, support functions, and interpolation functions, covering most algorithms used in engineering applications. I have a question: how much speed improvement … Read more
In ARM microcontroller development, there is a DSP function library provided by CMSIS. This library includes basic data functions, fast mathematical operations, complex operations, filters, matrices, transforms, click control, statistics, support functions, and interpolation functions, covering most algorithms used in engineering applications. Now, I have a question: how much speed improvement can be achieved by … Read more
The development of computing over the past 30 years can be roughly divided into three stages: in 1995, Microsoft Windows ushered in the PC era dominated by x86 architecture CPUs; in 2007, Apple’s iPhone opened the smartphone era dominated by Arm architecture; and in 2012, the success of the convolutional neural network AlexNet based on … Read more
EtherCAT, as a real-time Ethernet solution, is favored in industrial automation applications due to its high performance. How does EtherCAT ensure high efficiency, real-time performance, and flexibility in fieldbus communication? This article will focus on its key analysis and explanation. Principle of EtherCAT EtherCAT (Ethernet Control Automation Technology) is a high-performance industrial network fieldbus system. … Read more
Original: https://blog.csdn.net/fangye945a/article/details/85254627 When developing C/C++ projects on the ARM and Linux platforms, you will inevitably encounter some bugs in your programs. Small projects are manageable, but for large projects with extensive code, it becomes challenging to pinpoint issues. This is where using the gdb debugger can help you easily locate code bugs. Previously, I shared … Read more
Author of this article Wang Mei: Engineer at the Institute of Informationization and Industrialization Integration, China Academy of Information and Communications Technology. 1 Introduction The upgrade of strategic industries and the development of large-scale markets have driven the application of the Internet of Things (IoT) into a new wave of development. According to Gartner’s prediction, … Read more
If you don’t click the blue words to follow, opportunities will fly away! 1. Introduction Strategic industry upgrades and large-scale market development are driving IoT applications into a new wave of development. According to Gartner’s prediction, by 2020, the number of connected devices worldwide will reach 26 billion, and the IoT market size will reach … Read more
Introduction to Mbed OS Mbed OS is a free and open-source IoT operating system designed based on the Arm® Cortex®-M architecture, developed collaboratively by Arm and its technology partners. It features connectivity, ease of use, security, modularity, support for device management, and machine learning, while providing software libraries, development hardware, tutorials, and code examples to … Read more