I want to write a driver for a USB device under the vxworks platform. The system recognizes the USB device through enumeration, but how does the system select the driver? Is it based on (bDeviceClass,...
I'm in urgent need of the development environment of vxwork6.2 and workbench2.4. I downloaded the resources from eMule, but the license is useless.Seeking help from kind people~~Send email to 27137244...
[i=s]This post was last edited by wenyangzeng on 2022-9-26 13:24[/i]Shanghai ACM32F070 development board evaluation 2, MDK programming environmentFirst, install Aisinochip.ACM32F0X0.1.0.1.pack in the ...
I would like to ask you all, when using uc3842p (TI) to make a switching power supply AC/DC5V3A, why does the 3842 burn out when connected to AC 220V for testing?...
Two strategies for memory allocation: 1. Memory heap allocation 2. Memory pool allocation ^ ... #define MEM_SIZE 1600/* MEMP_NUM_PBUF: thenumber of memp struct pbufs (used for PBUF_ROM and PBUF_REF). ...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
Real-time operating system RTOS
京公网安备 11010802033920号
EEWORLD
