A new graduate encountered a problem during internship. When porting emwin to stm32, he had to turn on CRC. Then he added the following line of code RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_CRC,ENABLE); ...
I am using CSS4.1, the board is 5509a, and the emulator is XDS100V2. This error is reported when connecting to the board. I have searched a lot on the Internet but couldn’t find the answer. I would li...
A senior hardware engineer explains the principles of lithium-ion batteries in a video with many pictures. Very detailed and easy to understand. [hide]attach://487263.rar[/hide]...
Harmonic current and voltage fluctuation and flicker are the last two of the four EMI projects. Next week we will start introducing EMS test methods. Welcome to follow the official account Monster Ele...
What is the relationship between transformers and inductors? Let me first state the conclusion: transformers and inductors are both related and unrelated, just like the internal resistance of a power ...
The device integrates the RF front end with a flexible mixed-signal baseband section, integrates a frequency synthesizer, and provides a configurable digital interface for the processor, thereby sim...[Details]
The PIC16C5X series microcontrollers have a certain capacity of program memory and data memory inside. The byte width of the program memory is 12 bits, which is used to store user programs and data ta...[Details]
According to Jiwei.com news, on June 15, the Shenzhen Stock Exchange officially accepted the GEM listing application of Weifeng Electronics (Guangdong) Co., Ltd. (hereinafter referred to as: Weifeng ...[Details]
German carmaker Daimler has complained to EU antitrust regulators about Nokia, claiming the German company is trying to monopolize patented technology that is critical to car communications. The mo...[Details]
1 System design scheme The system is provided with two voltages of ±12 V and ±5 V by a DC voltage regulator. When the ±12 V power supply is set, the system voltage output full scale is 5V, and t...[Details]
An encoder is a device that compiles and converts signals (such as bit streams) or data into a signal form that can be used for communication, transmission and storage. The encoder converts angular di...[Details]
On July 29, Li Auto delivered the 200,000th L-series model equipped with magic carpet air suspension to users, and also earned the title of "the world's largest selling brand of air suspension models...[Details]
Main indicators of servo control system
The main indicators for measuring the performance of servo control systems are system accuracy, stability, response characteristics, and operating frequ...[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]
When it comes to power supply design, most engineers are scratching their heads and often ask, "Where do I start?" First, the power supply topology must be determined, including buck, boost, flyback, ...[Details]
1. Hardware Solution This design uses the 51 single-chip microcomputer principle and control theory to design the hardware circuit of the music performance controller, and uses C language for program...[Details]
The C8051f series microcontroller is a high-speed, highly integrated microcontroller with powerful functions. When I used this microcontroller to read the three-axis accelerometer of ST, I found that...[Details]
Streaming media
refers to the media that publishes audio and video multimedia content in real time in the form of data streams on the Internet, while streaming media technology is the t...[Details]
First, in the previous example, add the dma.c file to the dev folder, and then add it to the Makefile in that directory:
This is the framework. Next, open dma.c to implement it:
...[Details]
stm32/stm8
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