I am debugging a voice driver, the voice codec is cp1306. In the open function, I applied for a DMA channel, and in the read/write function, I waited for interruptible_sleep_on(&ssi_rwait); When DMA i...
The chief engineer gave me a Protel99 component package file with the suffix ddb. I referred to the method at this URL [url]https://wenku.baidu.com/view/2f4ac2d13186bceb19e8bb93.html[/url] But when I ...
I'm new to driver development. My boss wants me to write a driver for an ISA card, mainly to read the data on the card. I'll use DDK to develop it. (I can't use Driver Stuidio or something like that, ...
[font=宋体]Recently, I often visit some electronic forums after studying. I have indeed learned a lot in the forums. [/font] [font=宋体]I have also seen some very bad comments, which makes me think of the...
Hi guys, is there any development board you can recommend? It has two serial ports, one for communication with the host computer and one for output control of other devices....
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
In mobile technology, sensors are the primary input for measured signals and form a component of a sensor system. They include sensitive and transducer elements connected to carriers and circuits. ...[Details]
Common Mode Semiconductor has officially released its latest generation of power management ICs—the GM6506 series. This fully integrated high-frequency synchronous rectification step-down p...[Details]
With the rapid development of electric vehicles in my country, people are beginning to pay attention to the issue of radiation from electric vehicles. We all know that mobile phones emit radiation,...[Details]
Laird Thermal Systems has introduced the HiTemp ET series Peltier cooler modules, which can operate at high temperatures and provide on-site cooling for sensitive electronic devices.
Dig...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
Linear motor modules have become the "sweet spot" in various fields due to their advantages such as long stroke, fast speed, high precision, smooth operation and long life. Different models of line...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[Details]
A scale, a large, ground-mounted scale, is typically used to measure the tonnage of truck cargo. It's the primary weighing device used in factories, mines, and businesses for bulk cargo measurement...[Details]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]
The mobile computing market is rapidly evolving, and manufacturers are fiercely competing for market share. A key area of competition is battery life, which encompasses two key aspects: how long th...[Details]
introduction
In today's busy society, people experience chronic high stress, which in turn poses a significant threat to our health. Therefore, effectively relieving stress has become a pr...[Details]
introduction
A common voltage regulator is a three-terminal one. Its function is to step down the voltage and stabilize it at a fixed output value. Voltage regulators are commonly available in...[Details]
introduction
The OMAP-L138 dual-core processor is a new generation of low-power single-chip systems (SoCs) from TI. It is widely used in communications, industrial, medical diagnostic, and aud...[Details]
Traditionally, electrical energy is transmitted primarily through wires, requiring direct physical contact between the power source and the load. With the increasing number of electrical devices in...[Details]