Now most smartphones support fast charging, and there are many limited chargers around. It is very suitable for making a convenient power supply for daily electronic experiments. I often use positive ...
Recruiting part-time lecturers or technical support personnel in related fields such as Procast, short-term training or technical support, weekends.Beijing, Shanghai, Guangzhou, Shenzhen, Chengdu, Wuh...
After successfully driving SSD1306, I made a key input interrupt program using the two keys on the board. Press the right KEY3 and the screen will display RIGHT, and press the left KEY1 and it will di...
[i=s]This post was last edited by dql2016 on 2021-11-20 16:03[/i]0. Introduction to mjpg-streamer
mjpg-streamer is a free IP-based video streaming server. Its input plug-in reads video data from the c...
TI's new generation processor platform AM57XX is a multi-core heterogeneous SOC with one or two ARM cores (ARM CORTEX-A15) and one or two DSP (C66x) cores on the chip. The AM57xx processor is a highly...
Time flies. It has been two months since I received the board. A few days ago, the administrator said that the progress will be finished on June 30. I was surprised that it was so fast. It felt like t...
0Introduction
DirectsHow application framework completes the underlying work of streaming media processing, so that programmers do not need to worry about how to input data and how to output it aft...[Details]
The development of WiMAX technology has also put forward higher requirements for the reception and transmission tests corresponding to the WiMAX physical layer test. R&S provides targeted test solutio...[Details]
It is reported that in China, the desktop computer operating system is still dominated by Windows 7, which still occupies 58.5% of the market share, close to 60% of the market, while Win10 system has...[Details]
Add Nand Flash support Reference URL: http://blog.csdn.net/zhaocj/article/details/6678866 http://blog.csdn.net/zhaocj/article/details/6709948 There are many articles on Nand flash porting on ...[Details]
How to deal with the phenomenon of wind and solar power abandonment? How to solve the safety problem of energy storage facilities? On October 29, the green and low-carbon technology project promotion ...[Details]
Commonly used active power factor correction circuits are divided into two categories: continuous current mode control type and discontinuous current mode control type. Among them, the continuous c...[Details]
Abstract: In order to generate and analyze signals without high sampling frequency requirements, a sound card is used to replace the expensive data acquisition card for sampling and output. The virtu...[Details]
It is so convenient to use library functions for stm32, but I used to like to operate registers directly when using 51. I feel that library functions are too convenient, so convenient that I can ignor...[Details]
In current embedded systems, software codes are generally stored in memories such as EEPROM and Flash, but the program codes stored therein are easy to be read and illegally copied, which is its fatal...[Details]
With the development of hydrogen fuel cell vehicles, hydrogen is regarded as an important bridge between fossil energy and renewable energy. Hydrogen energy has the characteristics of abundant reserv...[Details]
Batteries are closely related to our lives and work. For example, quartz clocks (pointer type) used in homes and offices generally use No. 5 batteries as power sources. According to relevant statisti...[Details]
Higher speed ADCs place tight timing requirements between the converter output and the receiver input; knowing how to use data sheet numbers ensures error-free digital transmission.
Hig...[Details]
dma current group ptr and len
PDC_RPR
PDC_RCR
dma next group of spare ptr and len
PDC_RNPR
PDC_RNCR
When the device starts, PDC_RCR will decrease from the maximum until it reaches 1. When anot...[Details]
In the previous section, we modified the code to support NAND boot in S3C2440 uboot migration. In this section, we analyze the operation of uboo to support NAND boot. Table of contents 1. Analyze...[Details]
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