Excuse me, why do we need to add the symbol _ to functions in many places in the program? For exampletypedef struct _POINT{}POINT;It seems that this symbol is only needed in places related to interrup...
I'm using TI's AM335X, with kernel 3.17.2. I tried several configurations found online, but none of them seem to work. There's no response when I plug in the USB flash drive. The configuration in girl...
I have waited for a long time and finally waited until today~After a lapse of two years, the series of uncommon questions in my lifetime - collection of uncommon questions (Issue 141-Issue 170) is now...
I just wanted to upload an Altium package library, but I saw that "a single attachment cannot exceed 15M". I suddenly wanted to ask, is it a design requirement or is it not supported by the software? ...
I am a hardware developer who has switched to testing. Because of the testing needs, I want to learnPythonI have zero basic knowledge of programming. Is there any good way to get started quickly? Than...
1. Principle 1. Infrared emission protocol There are many infrared communication protocols. This experiment uses the NEC protocol. This protocol uses PWM modulation and uses pulse width to represen...[Details]
1. Purpose In actual product release, if the program stored in the MCU Flash is not protected, some illegal companies may read the program in the Flash through an emulator (J-Link, ST-Link, e...[Details]
In the previous article, I wrote a simple GPIO running light test, which looked a bit monotonous. I was used to serial port debugging. If there was no serial port on the board, I had to find another ...[Details]
Recently, the US embargo on ZTE has attracted much attention. Let's take a look at the relevant content with the automotive electronics editor. On April 16, local time, the U.S. Department of Co...[Details]
Today, under the guidance of a low-level expert, I learned how to configure the PWM module! Woof! First open the file configured last time, as follows: Then, we need to use TIM1 to set PWM: Then,...[Details]
I have always wanted to write some posts and blogs, but I just couldn't bear to do it as I just graduated. After some preparation, I decided to write down some of the things I learned in the past few...[Details]
I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[Details]
In 1952, Bell Labs built a 6-foot-tall automatic number recognition machine called "Audrey", which could recognize the pronunciation of the numbers 0 to 9 with an accuracy of more than 90%. And its...[Details]
Time flies. Since the beginning of 2018, news related to home appliance companies have repeatedly made headlines, and competition in the home appliance market continues to intensify. In order to be...[Details]
Superconductors have physical properties such as zero resistance effect, Meissner effect and Josephson effect, which make them have broad application prospects and unparalleled advantages in many b...[Details]
Nowadays, everyone is saying that "technology is people-oriented". The essence of the development of technology is to serve the improvement of the quality of life of human beings. Automated driving...[Details]
The day before yesterday, another mainland technology company submitted a prospectus to the Hong Kong Stock Exchange. The company is called "Jia Nan Creative (hereinafter referred to as 'Jia Nan')"...[Details]
As the brain of a mobile phone, the mobile phone processing chip is of great importance. Xiaomi, which started out as the MIUI company, has long been keenly aware of the gap between China and devel...[Details]
At this exhibition, Microsoft brought its flagship intelligent voice products - XiaoIce and Xiaona. In addition, the voice will be equipped with an intelligent face recognition system. Let's see ho...[Details]
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