Learning notes for the software examination, all experts are welcome to provide corrections.<span>June 21, 2025</span> 1 Introduction A bus refers to a common data channel for transmitting information between devices in a computer. The classification of buses is as follows: Internal Bus: The bus that connects the arithmetic unit, controller, and various register components within … Read more
1. Introduction In discussions with developers using the Xianji RT-Thread BSP, it was found that the SPI device driver occasionally encounters illegal access exceptions in polling mode (as shown in the figure). Problem reproduction scenario:: 1. The developer only needs to transmit a single message once but did not explicitly initialize the struct rt_spi_message’s next … Read more
The SPI (Service Provider Interface) is a built-in service provider discovery mechanism in JDK.It can find service implementations for a specific interface.Demo: public class TestSpi { public static void main(String[] args) throws InstantiationException, IllegalAccessException { ServiceLoader<SpiInterface> load = ServiceLoader.load(SpiInterface.class); Iterator<SpiInterface> iterator = load.iterator(); if (iterator.hasNext()) { SpiInterface next = iterator.next(); next.spiInterFaceMethod("hello"); } } } Interface: … Read more
Click the blue text to follow us READINGAbstract In response to the recent regulations issued by the National Medical Products Administration, which will comprehensively ban the use of mercury sphygmomanometers, and the current situation where electronic blood pressure monitors need regular calibration and quality testing, this paper proposes an intelligent algorithm based on digital image … Read more
From 2000 to 2010, the Chinese semiconductor industry sat on the sidelines for a decade. Before 2014, the golden age of the internet was a winter for semiconductors.A decade is a cycle, and the financing of China’s semiconductor industry has reached a trillion yuan level, with visible bubbles behind the prosperity.Moreover, the international situation is … Read more
A professional community focused on the AIGC field, paying attention to the development and application of large language models (LLMs) such as Microsoft & OpenAI, Baidu Wenxin Yiyan, and iFlytek Spark, focusing on market research of LLMs and the AIGC developer ecosystem. Welcome to follow! With the emergence of ChatGPT, large language models have achieved … Read more
Click the blue text Follow me! Learn Chinese, Mathematics, and English, download materials, attend online courses, share wisdom in education, follow Elementary School Chinese, Mathematics, and English (ID: smartkids123)Everything you need is here! Introduction: In the annual entrance examinations for elementary school, mathematics scores hold significant importance. To further differentiate scores during the school selection … Read more
Understanding the Logic of Price Fluctuations Note:This sectionis fordailyfundamental/technical analysis.It is for personal review purposes only and should not be considered as investment advice. # Minde Electronics: Can Dual-Drive from Barcode and Semiconductor Break the Growth Bottleneck? In the ever-changing landscape of the A-share market, Minde Electronics (300656) has always attracted the attention of investors. … Read more
Today, we will introduce a 211 university located in Wuxi, Jiangsu – Jiangnan University and analyze the graduate school admission trends for integrated circuits! 2025 Re-examination Line 080900 Electronic Science and Technology: 316 (34/51) an increase of 38 points! 140100 Integrated Circuit Science and Engineering: 289 (34/51)First enrollment in 2025 085403 Integrated Circuit Engineering: 333 … Read more
Recently, the first meeting of the Wuxi Semiconductor Equipment and Key Components Innovation Center Management Committee was held. Cui Rongguo, Secretary of the Party Working Committee and District Party Secretary of Wuxi High-tech Zone, attended the meeting and delivered a speech. District leaders Gu Guodong, Li Guilin, Hu Yidong, President of the Municipal Industrial Research … Read more