When writing Linux drivers, where can I find the prototypes or usage instructions of these API functions? For example, the function register_chrdev_region for registering device numbers cannot be foun...
From "brick" mobile phones to bulky TVs, power modules once occupied a considerable space in electronic and electrical products, and the market demand for higher power density continues to increase.
I...
In the last issue, we have eliminated A. In this issue, we need to display the letters AB at the same time, which requires two lvgl tags. How to do it? I thought of the structure:
struct Obj{char name...
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Recently, agricultural technology startup Zordi has announced that it has successfully obtained US$20 million (about RMB 150 million) in financing. The well-known VC Khosla Ventures participated in...[Details]
Today we will extend our focus to XR.
The emergence of XR has brought rich connotations to the new round of human-computer interaction. The immersive experience of virtual and real has always ...[Details]
One month after imposing export restrictions on South Korea, the Japanese government approved export licenses for EUV photoresists and etching gases to South Korea. There are different opinions in So...[Details]
Recently, the annual production capacity of 500Mwh (megawatt-hour) energy storage electrical equipment production and integration project invested and constructed by China Electric Power (Langfang) Mo...[Details]
I. Hardware Principles of Serial Port Programming
1. Serial Port Features:
1>16-byte receive FIFO and 16-byte transmit FIFO
2>The receive FIFO trigger point can be set to 1, 4, 8 or 14 bytes.
3>Bu...[Details]
According to DigiTimes, Apple plans to increase production of the iPhone 13 Pro and iPhone 13 Pro Max by 10 million units in the second calendar quarter from April to June. From the report: There...[Details]
Volvo and Geely, from engine business to overall restructuring. Today, Geely Auto announced that the company's management is in preliminary discussions with Volvo Cars' management to explore the poss...[Details]
In today's electronic products, touch sensing technology is increasingly gaining more attention and application, and new technologies and ICs are constantly being introduced. At the same time, high-s...[Details]
An asynchronous motor is also called an "induction motor", that is, the rotor is placed in a rotating magnetic field, and under the action of the rotating magnetic field, a torque is obtained, ...[Details]
0 Introduction
In recent years, with the widespread popularity of the Internet and the advancement of software technology, Web2.0 guided by the SOA (Service Oriented Architecture) system has "e...[Details]
According to Jiwei.com news, as early as two months ago, the author had counted the IPO companies and IPO approval status of the mobile phone and semiconductor industry chain in the first half of 202...[Details]
The rapid progress of manufacturing technology today has led to many new measurement problems, which has promoted the research and development of sensors and test and measurement instruments, and ha...[Details]
1 Introduction Nowadays, with the rapid development of information industry, embedded systems with microprocessors as the core are playing a huge role in intelligent instruments, real-time co...[Details]
As the use scenarios of pure electric vehicles become more and more extensive, the requirements for vehicle endurance are also constantly increasing. In order to solve the driving experience brought ...[Details]
The new portable solar clothing made with nanotechnology brings light to remote mountain villages that lack power. If solar clothing becomes popular, about 2 billion people around the world will no...[Details]
Linux and Android
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