With high investment amounts and questionable expected outcomes, who is trapped by the ‘Chip Iron Curtain’ created by the United States? According to a recent report by CNBC, the U.S. government has allowed artificial intelligence computing company NVIDIA to complete the export necessary for the development of its flagship AI chip. On August 31, NVIDIA … Read more
The beef shank is the meat located above the knee joint on the thigh. It is wrapped in a membrane, contains tendons, has moderate hardness, and has a regular grain, making it most suitable for braising. Beef is the second most consumed meat in China, following pork. It is high in protein and low in … Read more
Copyright Statement Accounting Yuyuan – Accounting and Auditing Information Platform. This article is sourced from the WeChat public account: Audit Wandering, compiled by Accounting Yuyuan. Please indicate the source if reprinted. The cash flow statement is prepared according to the cash basis of accounting, adjusting the profit information under the accrual basis to cash flow … Read more
1. Why is it necessary to measure program execution time? Rather than measuring program execution time, it might be more accurate to refer to it as measuring task execution time. The projects we undertake are aimed at achieving specific objectives, thus completing corresponding tasks. Simple projects typically focus on a single task, while more complex … Read more
Reply with “Embedded Base” to get more learning materials for free When writing code, we assign an initial value to variables to prevent uncertainty in their initial values due to the <span>compiler</span>. For numeric type variables, they are often initialized to 0, but how should other types of variables, such as <span>char</span>, <span>pointer</span>, etc., be … Read more
Hello everyone, I am the Mixed Content Master. In embedded / microcontroller project development, we often choose a major software framework based on actual conditions: bare-metal systems, front-end and back-end systems, RTOS, Linux, etc. In actual development, choosing the type of software architecture is just the first step. How do the various modules in the … Read more
01Introduction The Ring Buffer (also known as Circular Buffer) is a data structure used to efficiently store and manage data within a fixed-size array. It is particularly suitable for scenarios that require continuous reading and writing of data, such as audio processing, network communication, and real-time data stream processing. Below are the basic concepts, implementation … Read more
Hello everyone, I am the Mixed Content Master. This time we share a commonly used concept/programming model in embedded systems—the Observer Pattern. Overview of the Observer Pattern The Observer Pattern is a behavioral design pattern that focuses on establishing a dynamic subscription-notification mechanism between objects. It defines a one-to-many dependency between objects, so that when … Read more
In the vast field of embedded software development, code comments have always been a controversial topic. Some teams adhere to the belief that “code is documentation,” arguing that excellent code should be self-explanatory; while others advocate for detailed code comments, believing that comments can help other developers understand the logic and intent of the code … Read more
01Introduction: The DSPS (Dialog Serial Port Service) protocol stack is based on the BLE GATT protocol to implement serial data transmission. The core process is divided into four stages: initialization, connection management, data transmission, and low power control. Initialization → Broadcasting/Scanning → Establishing Connection → Data Transmission → Sleep/Wake → Disconnect → Loop 02Detailed Flowchart … Read more