Summary in One Sentence The SCLK signal is not continuously present after initialization; rather, it is generated by the conductor (master) only when “singing” (transmitting data), similar to a musical beat, and stops once the performance is over. Detailed Breakdown: A Concert Analogy Let’s imagine the entire SPI communication as a concert: SPI Master = … Read more
Using USART to send strings with STM32: The meaning of the code is: When there is data on the receive pin, the status register USART_FLAG_RXNE will be set to 1. At this point, the return value of USART_GetFlagStatus(USART1, USART_FLAG_RXNE) will be 1 (SET), and if there is no data, it will be RESET. Common code … Read more
In the rapidly developing field of automotive electronics technology, the demand for high-performance and high-reliability data transmission is increasing day by day. From in-vehicle infotainment systems to the collaborative operation of various sensors and advanced driver assistance systems, efficient data connectivity has become the key link to achieving these complex functions.Ruicheng Semiconductor has been committed … Read more
Based on Unmanned Aerial Vehicles (UAV) and Wireless Sensor Networks (WSN),the three-tier architecture TUFSN (three-tier unmanned aerial vehicle farmland sensor network) consists of the SN-RN data collection layer, RN-UAV relay transmission layer, and UAV-DC mobile aggregation layer. Through Matlab simulation, it was found that the cache size range of the relay node (RN) is 3~13 … Read more
We can think of the TCP/IP protocol as the “underlying operating system” of the internet—it serves as the “rulebook” for the operation of the internet, enabling countless devices worldwide (phones, computers, servers, routers) to communicate with each other as if they “speak the same language”. Why is TCP/IP Needed? Early computer networks had many different … Read more
1. Introduction to I2C Reference Source https://blog.csdn.net/Teminator_/article/details/141224886 1.1 Overview of I2C Bus (1) The IIC protocol (Inter-Integrated Circuit, abbreviated as I2C) is a serial communication protocol used for communication and data exchange between various electronic devices. It was first proposed and promoted by Philips in 1982 as a simple, efficient, and low-cost communication protocol. (2) … Read more
Click the blue text to follow us The I2C (Inter-Integrated Circuit) bus is a two-wire serial expansion bus introduced by Philips for connecting IC devices. Devices connected to the I2C bus can transmit data via the Serial Data Line (SDA) and Serial Clock Line (SCL). I2C Bus Structure Both SCL and SDA of the I2C … Read more
Why I²C is one of the most commonly used communication protocols in embedded systems?1. Background and Importance of I²C Communication The I²C (Inter-Integrated Circuit) communication protocol was developed in the 1980s by Philips (now NXP Semiconductors) to simplify communication between various integrated circuits within electronic devices. It is particularly suitable for scenarios requiring low-speed interconnection … Read more
1. IntroductionSPI (Serial Peripheral Interface) is a high-speed, full-duplex synchronousserial communication bus protocol developed by Motorola, operating in a master-slave mode, enabling data transmission between devices through four lines (SCLK, MOSI, MISO, CS). Its core features are:① Full-duplex communication: Data can be transmitted in both directions simultaneously, allowing both the master and slave devices to … Read more
1. Introduction to HTTP and HTTPS HTTP (HyperText Transfer Protocol) is a stateless communication protocol commonly used for transmitting hypertext (such as HTML pages) between clients (like browsers) and servers. However, it is merely a one-way communication protocol, and data is not encrypted during transmission, making it susceptible to man-in-the-middle attacks. Stateless means it cannot … Read more