#define SYSTICKHZ 100#define SYSTICKMS (1000 / SYSTICKHZ)#define SYSTICKUS (1000000 / SYSTICKHZ)#define SYSTICKNS (1000000000 / SYSTICKHZ)
There are these lines in many codes. I know it is related to ...
Create an embedded programming group, mainly for embedded programming discussions. Including embedded system transplantation, driver writing, development board and ARM chip discussions, etc. The group...
I have been working on libfaad recently, and I am going to compile it on vs2005. Some of the fixed-point calculations in it are written in assembly. static INLINE real_t MUL_SHIFT23(real_t A, real_t B...
[i=s]This post was last edited by dontium on 2013-12-26 17:23[/i] "One step southward, the people's happiness!" This is the "truth" that my classmates have come up with and everyone agrees on. Among t...
I recently attended Nordic's press conference and thought the video shared at the conference was good. Here are some videos for those who need it: [size=4][color=#0000ff][b]If you have any questions, ...
How does ARM7 organize data structures in the external memory FLASH and store and read data? What are the ideas and key technical points for implementation?...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
1 Introduction
Intelligent cars are the embodiment of the cross-integration of multiple disciplines such as automotive electronics, artificial intelligence, pattern recognition, automatic con...[Details]
AD7708 is a multi-channel 16-bit Σ-Δ analog-to-digital converter ADC. It supports 4 or 5 channels of true differential input and 8 or 10 channels of pseudo differential input. This chip allows two ...[Details]
0 Introduction
Gyroscope
is a sensitive measuring element of the platform stabilization system. It senses the angular motion signal of the platform and establishes the stability bench...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]