class a { private: typedef void (CALLBACK * ONSERIALREAD)(CWnd *,BYTE * Buf, int bufLen); public: ONSERIALREAD m_OnSerialRead; } How to implement this callback function?...
The program is as follows: #include reg52.h sbit P0_0=P0^0; unsigned char times; void main() { times=0; TH2=60;TL2=176;//Initial value of count RCAP2H=60;RCAP2L=176;//Reload initial value EA=1;//Open ...
[size=4]In embedded software development, such as microcontroller programs, we will definitely write a large infinite loop program, that is, polling the IO port. Usually, [/size] [size=4] [/size] [siz...
Has anyone done this before? Can we discuss this? QQ: 569312518My current program is not ideal. It always enters NMI. It is not because of invalid address. I don't know what other reasons cause NMI....
I used CHttpFile and CInternetSession in WinCE5.0 SDK to make the following code to download files, but it doesn't work. Why? Does anyone have any good methods or good source codes for my reference? C...
[i=s]This post was last edited by allankliu on 2016-5-13 21:31[/i] The pyboard has a built-in file system and SD card slot. But it seems to lack support for file system operations. It seems to have an...
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
Stepper motors have been widely used in automatic or semi-automatic equipment such as CNC machine tools, medical equipment, and instruments. The usual way to control stepper motors with computers i...[Details]
Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
Cloud computing is a network-based computing method. In this way, shared hardware and software resources and information can be provided to computers and other devices on demand. Cloud computing is th...[Details]
Motor vehicle garage management control system
1. Usage Requirements
1. There are 70 parking spaces in the garage. Each parking space has a door at the entrance. There should be a control...[Details]
With the widespread application of integrated circuits and embedded computers in automobiles, the number of electronic controllers in modern automobiles is increasing. Common ones include electroni...[Details]
At present, in the electrified section, the train power supply system is a passenger car power supply device installed in the locomotive (trailer) that steps down and rectifies the 25 kV single-phase ...[Details]