#include stdio.hinline int getX(int x)
{return x + (int)x;
}int main()
{printf("%d", getX((int)main));
}The code is very simple, gcc does not open optimization link error. undefined reference to `getX...
General IO Function Description GPIO Ports The24 GPIO pins can be divided into three groups of ports: PA, PB, and PC. The GPIOs in each group of ports are numbered 0-7 according to their bits in the G...
This article starts with a comparison between two discrete MCUs and a single-chip dual-core MCU (taking LPC4350 as an example), and then introduces the basic knowledge and important features of asymme...
This depends on your application. For example, if it is used in a boosting situation, of course, you can only use DC/DC, because LDO is a voltage drop type and cannot boost. In addition, look at the m...
Many servers on the Internet use the Linux system. In order to further improve the performance of the server, it may be necessary to recompile the Linux kernel according to specific hardware and requi...
At present, the frequency conversion fan generally adopts brushless DC motor, because it has no excitation winding, no commutator, no brush, no slip ring, and its structure is simpler than the gene...[Details]
The vigorous promotion of the photovoltaic "leader" project has played a very significant role in promoting industrial transformation and technological upgrading. High-efficiency photovoltaic power ge...[Details]
A new realme phone was recently registered with the Ministry of Industry and Information Technology. Its model number is RMX3310 and it is equipped with a Snapdragon 888 processor. The rear...[Details]
Cleverly crafted seven-pointed plug
Find a scrapped electron tube, such as 6N2, 6K4, etc. as shown in Figure 6-20 (a), wrap a cotton thread around its waist, then drip alcohol ...[Details]
u-boot-2018.09 (source code based on https://download.csdn.net/download/Golden_Chen/11998917) Current status 1. Check the available IP addresses in the current LAN $ nmap -sP 10.10.11.* 2. Set u-boot...[Details]
State control circuit
The control process of the traffic light controller is divided into four stages, and the corresponding output has four states, represented by S0, S1, S2 and S3. After decoding...[Details]
Hunan Corun New Energy Co., Ltd. (hereinafter referred to as the "Company") is implementing strategic adjustments, returning to the main battery business, focusing on the layout of nickel-hydrogen,...[Details]
The commercial operation of autonomous driving has once again pressed the "fast forward button". Recently, Beijing issued a notice on unmanned manned demonstration application, Baidu and Pony.ai beca...[Details]
In recent years, domestic smart homes have made breakthroughs in technology, with increasingly convenient interactions, richer functions, and better user experience. Popular smart security is an indi...[Details]
This program provides a set of interface functions for AVR microcontroller SPI port to access AT45DB161D. Through this set of interface functions, the read and write operations of AT45DB161D can be co...[Details]
The reporter learned from State Grid Jiangsu Electric Power Co., Ltd. that the largest vehicle-grid interaction demonstration center in China was recently put into operation in Wuxi, Jiangsu. It can a...[Details]
According to foreign media reports, Audi is negotiating with BYD to include the latter as its battery supplier. Stimulated by this news, BYD's Hong Kong stocks rose all the way on Friday, closing u...[Details]
Avatar, which has set a box office record, has given audiences an unprecedented sense of reality, but to enjoy this 3D technology, they must wear special 3D glasses, which makes audiences feel a littl...[Details]
On December 10-11, the 2020 China Integrated Circuit Design Industry Annual Conference was held in Chongqing. On December 11, at the "Advanced Packaging and Testing" special forum, Xu Yupeng, deputy ...[Details]
The robot control system is the core component of robotics technology. It is responsible for receiving external instructions and controlling and regulating the movement and behavior of the robot. A...[Details]