In an era where everyone can shoot, imaging content has become increasingly diverse: from outdoor adventures to urban vlogs, from live streaming sales to wildlife photography, and from daily home recordings to aerospace shooting, each creative scene may present different personalized demands for equipment and accessories. The trend of scene segmentation has led to market … Read more
After installing Windows, you may find one or more unknown devices with exclamation marks in Device Manager. Even if they have names like PCI Memory Controller, PCI Data Acquisition and Signal Processing Controller, SM Bus Controller, etc., as long as there is an exclamation mark in front, it indicates that the driver is not installed … Read more
Improving Quality and Efficiency To further enhance the company’s safety production level and operational efficiency, and better meet customer demands, Shunda Port has recently successfully introduced new equipment— electromagnetic lifting devices. The implementation of this equipment not only strengthens the safety defense line for steel loading and unloading operations at Shunda Port but also significantly … Read more
Click the blue text to follow us Driving Industrial Development with Equipment Upgrades In the context of rapid technological advancement and increasingly fierce market competition, industrial development faces unprecedented opportunities and challenges. As the hardware foundation of industrial development, the speed and quality of equipment upgrades directly affect the competitiveness and development prospects of industries. … Read more
1. The Three Major Types of Linux Device Drivers 1. Character Devices: The IO transfer process is done in characters without buffering, such as I2C and SPI, which are character devices. 2. Block Devices: The IO transfer process is done in blocks, related to storage, such as TF cards. 3. Network Devices: Unlike the previous … Read more
The UJA1168 is a micro System Basic Chip (SBC) launched by NXP, available in multiple models, suitable for automotive ECU design. The main functions of this chip include: CAN Transceiver Supports CAN 2.0 (1 Mbps) and CanFd (2 Mbps) Some models support “FD-passive” mode Low Power and Partial Network Management Supports Standby mode and Sleep … Read more
Original:Wowotech Technology http://www.wowotech.net/pm_subsystem/pm_architecture.html 1. Introduction It is well known among Linux driver engineers who have been working for a while: In the past, implementing power management functions for a device was a straightforward task. Most devices were abstracted as platform devices, and the driver only needed to provide callback functions for suspend/resume/shutdown and register them … Read more
1. Write the C language program ch03_06_01.c /* * The goal of this program is to count the occurrences of a specific character in a given string and print the result. * The length of a char is 1 byte, while the length of a char* is 8 bytes (refer to "Computer Systems: A Programmer's … Read more
1.Introduction to x86 x86 is a CISC architecture introduced by Intel in 1978, named after early processor models (such as 8086). Its core features include complex instruction set design and backward compatibility, supporting a smooth transition from 16-bit to 64-bit. Throughout its historical evolution, the 80386 marked the beginning of the 32-bit era, while AMD64 … Read more
Place MASM in the D drive. Start DOSBox and enter mount c d:\masm and press Enter. This command mounts the D drive MASM as the C drive. Because when you first start, it is on the Z drive. Next, enter c: and press Enter; it has successfully started and is now usable. General-purpose registers: AX, … Read more