Using Keil MDK, I tried an example for STM32F107. After opening and compiling, the compilation succeeded, but the linker indicated that there were 5 functions undeclared. However, upon reviewing the files, it was clear that the header files were included. Why was it still not working? I also tried using extern declarations, but that did … Read more
When you enter the debugging interface, you will see the following image. The cursor has already run to the entry point of the main function, and the debugging toolbar is now displayed in front of you. Tools/Materials Ulink2 emulator Development board and Keil software Methods/Steps First, let’s introduce the relevant menus. The first one on … Read more
Click the above “Chuangxue Electronics” to follow for easy learning of electronic knowledge. Chuangxue Electronics Subscription Account Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, making it easy to learn anytime, anywhere. Keil C51 memory areas are divided into two main types: program memory area and data memory … Read more
Course Introduction: The microcontroller software development platform—Keil software is currently the most popular software for developing MCS-51 series microcontrollers. Keil provides a complete development solution including a C compiler, macro assembler, linker, library management, and a powerful simulation debugger, all integrated into a single development environment (uVision). This tutorial video course on the 51 microcontroller … Read more
Are you feeling frustrated when creating projects in Keil because it doesn’t have STC models? Don’t worry… come, follow me to do it. 1. Open the download software in this file (stc-isp-15xx-v6.18-Beta2). 2. Click ① to find the associated settings for Keil ②. 3. Click on the Keil settings as shown in the above image, … Read more
MRI Imaging Methods The MRI image is formed by reconstructing signals generated from the resonance of hydrogen nuclei in a magnetic field. Therefore, the concept used in MRI images is “signal,” rather than the “density” concept used in CT images. In MRI images, lesions are described using the term “abnormal signal focus.” Because the imaging … Read more
1. NPT is a general-purpose American standard tapered pipe thread with a thread angle of 60°. PT thread is a British standard tapered thread with a thread angle of 55°, commonly used for sealing. British pipe threads are fine threads; coarse threads have a larger thread depth, which severely reduces the strength of the external … Read more
In September 2017, the China Asset Appraisal Association revised and issued new appraisal standards in accordance with the spirit and requirements of appraisal methods. Among them, Article 32 of the “Asset Appraisal Practice Standards – Enterprise Value” explicitly states that “where feasible, the differences in control and liquidity between the appraisal object and transaction cases, … Read more
Name Explanation A/C Air Conditioning ABS Anti-lock Braking System AC Alternating Current AGM Absorbent Glass Mat APP Accelerator Pedal Position ATC Automatic Temperature Control AUTO Automatic BCM Body Control Module CAN Controller Area Network CD Compact Disc CDL Central Door Lock CHMSL Center High Mount Stop Lamp CKP Cylinder Position CMP Camshaft Position CO Carbon … Read more
SOPC Operation Steps: 1. Create a new project folder, ensuring that the name and path do not contain Chinese characters, for example, T3. 2. Copy the tcl resource files from the development board into T3. 3. Launch the Quartus II software. 4. Start the New Project Wizard, navigate to T3, and click the Finish button. … Read more